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Undo c89 workarounds to match with upstream

Browse Source 
With PR 5756 the zfs module now supports c99 and the
remaining past c89 workarounds can be undone.

Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Reviewed-by: George Melikov <mail@gmelikov.ru>
Signed-off-by: Don Brady <don.brady@delphix.com>
Closes #6816
This commit is contained in:
Don Brady 2017-11-04 14:25:13 -06:00 committed by Brian Behlendorf
parent df1f129bc4
commit 1c27024e22
48 changed files with 424 additions and 764 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/sys/spa.h
View File

@ -638,7 +638,6 @@ _NOTE(CONSTCOND) } while (0)
{ "zero", "single", "double", "triple" }; \
int len = 0; \
int copies = 0; \
int d; \
\
if (bp == NULL) { \
len += func(buf + len, size - len, "<NULL>"); \
@ -662,7 +661,7 @@ _NOTE(CONSTCOND) } while (0)
(u_longlong_t)BPE_GET_PSIZE(bp), \
(u_longlong_t)bp->blk_birth); \
} else { \
for (d = 0; d < BP_GET_NDVAS(bp); d++) { \
for (int d = 0; d < BP_GET_NDVAS(bp); d++) { \
const dva_t *dva = &bp->blk_dva[d]; \
if (DVA_IS_VALID(dva)) \
copies++; \

16
module/zcommon/zfeature_common.c
View File

@ -91,26 +91,21 @@ zfeature_is_valid_guid(const char *name)
boolean_t
zfeature_is_supported(const char *guid)
{
spa_feature_t i;
if (zfeature_checks_disable)
return (B_TRUE);
for (i = 0; i < SPA_FEATURES; i++) {
for (spa_feature_t i = 0; i < SPA_FEATURES; i++) {
zfeature_info_t *feature = &spa_feature_table[i];
if (strcmp(guid, feature->fi_guid) == 0)
return (B_TRUE);
}
return (B_FALSE);
}
int
zfeature_lookup_name(const char *name, spa_feature_t *res)
{
spa_feature_t i;
for (i = 0; i < SPA_FEATURES; i++) {
for (spa_feature_t i = 0; i < SPA_FEATURES; i++) {
zfeature_info_t *feature = &spa_feature_table[i];
if (strcmp(name, feature->fi_uname) == 0) {
if (res != NULL)
@ -126,9 +121,8 @@ boolean_t
zfeature_depends_on(spa_feature_t fid, spa_feature_t check)
{
zfeature_info_t *feature = &spa_feature_table[fid];
int i;
for (i = 0; feature->fi_depends[i] != SPA_FEATURE_NONE; i++) {
for (int i = 0; feature->fi_depends[i] != SPA_FEATURE_NONE; i++) {
if (feature->fi_depends[i] == check)
return (B_TRUE);
}
@ -138,9 +132,7 @@ zfeature_depends_on(spa_feature_t fid, spa_feature_t check)
static boolean_t
deps_contains_feature(const spa_feature_t *deps, const spa_feature_t feature)
{
int i;
for (i = 0; deps[i] != SPA_FEATURE_NONE; i++)
for (int i = 0; deps[i] != SPA_FEATURE_NONE; i++)
if (deps[i] == feature)
return (B_TRUE);

5
module/zcommon/zfs_namecheck.c
View File

@ -136,12 +136,13 @@ permset_namecheck(const char *path, namecheck_err_t *why, char *what)
int
entity_namecheck(const char *path, namecheck_err_t *why, char *what)
{
const char *start, *end, *loc;
const char *start, *end;
int found_delim;
/*
* Make sure the name is not too long.
*/
if (strlen(path) >= ZFS_MAX_DATASET_NAME_LEN) {
if (why)
*why = NAME_ERR_TOOLONG;
@ -178,7 +179,7 @@ entity_namecheck(const char *path, namecheck_err_t *why, char *what)
}
/* Validate the contents of this component */
for (loc = start; loc != end; loc++) {
for (const char *loc = start; loc != end; loc++) {
if (!valid_char(*loc) && *loc != '%') {
if (why) {
*why = NAME_ERR_INVALCHAR;

4
module/zcommon/zprop_common.c
View File

@ -166,7 +166,7 @@ int
zprop_iter_common(zprop_func func, void *cb, boolean_t show_all,
boolean_t ordered, zfs_type_t type)
{
int i, j, num_props, size, prop;
int i, num_props, size, prop;
zprop_desc_t *prop_tbl;
zprop_desc_t **order;
@ -181,7 +181,7 @@ zprop_iter_common(zprop_func func, void *cb, boolean_t show_all,
return (ZPROP_CONT);
#endif
for (j = 0; j < num_props; j++)
for (int j = 0; j < num_props; j++)
order[j] = &prop_tbl[j];
if (ordered) {

14
module/zfs/abd.c
View File

@ -581,14 +581,12 @@ abd_free_struct(abd_t *abd)
abd_t *
abd_alloc(size_t size, boolean_t is_metadata)
{
abd_t *abd;
if (!zfs_abd_scatter_enabled || size <= PAGESIZE)
return (abd_alloc_linear(size, is_metadata));
VERIFY3U(size, <=, SPA_MAXBLOCKSIZE);
abd = abd_alloc_struct();
abd_t *abd = abd_alloc_struct();
abd->abd_flags = ABD_FLAG_OWNER;
abd_alloc_pages(abd, size);
@ -1108,10 +1106,9 @@ abd_iterate_func(abd_t *abd, size_t off, size_t size,
abd_iter_advance(&aiter, off);
while (size > 0) {
size_t len;
abd_iter_map(&aiter);
len = MIN(aiter.iter_mapsize, size);
size_t len = MIN(aiter.iter_mapsize, size);
ASSERT3U(len, >, 0);
ret = func(aiter.iter_mapaddr, len, private);
@ -1242,13 +1239,12 @@ abd_iterate_func2(abd_t *dabd, abd_t *sabd, size_t doff, size_t soff,
abd_iter_advance(&saiter, soff);
while (size > 0) {
size_t dlen, slen, len;
abd_iter_map(&daiter);
abd_iter_map(&saiter);
dlen = MIN(daiter.iter_mapsize, size);
slen = MIN(saiter.iter_mapsize, size);
len = MIN(dlen, slen);
size_t dlen = MIN(daiter.iter_mapsize, size);
size_t slen = MIN(saiter.iter_mapsize, size);
size_t len = MIN(dlen, slen);
ASSERT(dlen > 0 || slen > 0);
ret = func(daiter.iter_mapaddr, saiter.iter_mapaddr, len,

44
module/zfs/arc.c
View File

@ -2266,7 +2266,6 @@ static void
arc_evictable_space_increment(arc_buf_hdr_t *hdr, arc_state_t *state)
{
arc_buf_contents_t type = arc_buf_type(hdr);
arc_buf_t *buf;
ASSERT(HDR_HAS_L1HDR(hdr));
@ -2290,7 +2289,8 @@ arc_evictable_space_increment(arc_buf_hdr_t *hdr, arc_state_t *state)
HDR_GET_PSIZE(hdr), hdr);
}
for (buf = hdr->b_l1hdr.b_buf; buf != NULL; buf = buf->b_next) {
for (arc_buf_t *buf = hdr->b_l1hdr.b_buf; buf != NULL;
buf = buf->b_next) {
if (arc_buf_is_shared(buf))
continue;
(void) refcount_add_many(&state->arcs_esize[type],
@ -2307,7 +2307,6 @@ static void
arc_evictable_space_decrement(arc_buf_hdr_t *hdr, arc_state_t *state)
{
arc_buf_contents_t type = arc_buf_type(hdr);
arc_buf_t *buf;
ASSERT(HDR_HAS_L1HDR(hdr));
@ -2331,7 +2330,8 @@ arc_evictable_space_decrement(arc_buf_hdr_t *hdr, arc_state_t *state)
HDR_GET_PSIZE(hdr), hdr);
}
for (buf = hdr->b_l1hdr.b_buf; buf != NULL; buf = buf->b_next) {
for (arc_buf_t *buf = hdr->b_l1hdr.b_buf; buf != NULL;
buf = buf->b_next) {
if (arc_buf_is_shared(buf))
continue;
(void) refcount_remove_many(&state->arcs_esize[type],
@ -2547,7 +2547,6 @@ arc_change_state(arc_state_t *new_state, arc_buf_hdr_t *hdr,
ASSERT3P(hdr->b_l1hdr.b_pabd, ==, NULL);
ASSERT(!HDR_HAS_RABD(hdr));
} else {
arc_buf_t *buf;
uint32_t buffers = 0;
/*
@ -2555,7 +2554,7 @@ arc_change_state(arc_state_t *new_state, arc_buf_hdr_t *hdr,
* thus we must remove each of these references one
* at a time.
*/
for (buf = hdr->b_l1hdr.b_buf; buf != NULL;
for (arc_buf_t *buf = hdr->b_l1hdr.b_buf; buf != NULL;
buf = buf->b_next) {
ASSERT3U(bufcnt, !=, 0);
buffers++;
@ -2605,7 +2604,6 @@ arc_change_state(arc_state_t *new_state, arc_buf_hdr_t *hdr,
(void) refcount_remove_many(&old_state->arcs_size,
HDR_GET_LSIZE(hdr), hdr);
} else {
arc_buf_t *buf;
uint32_t buffers = 0;
/*
@ -2613,7 +2611,7 @@ arc_change_state(arc_state_t *new_state, arc_buf_hdr_t *hdr,
* thus we must remove each of these references one
* at a time.
*/
for (buf = hdr->b_l1hdr.b_buf; buf != NULL;
for (arc_buf_t *buf = hdr->b_l1hdr.b_buf; buf != NULL;
buf = buf->b_next) {
ASSERT3U(bufcnt, !=, 0);
buffers++;
@ -3344,10 +3342,11 @@ arc_hdr_alloc(uint64_t spa, int32_t psize, int32_t lsize,
static arc_buf_hdr_t *
arc_hdr_realloc(arc_buf_hdr_t *hdr, kmem_cache_t *old, kmem_cache_t *new)
{
ASSERT(HDR_HAS_L2HDR(hdr));
arc_buf_hdr_t *nhdr;
l2arc_dev_t *dev = hdr->b_l2hdr.b_dev;
ASSERT(HDR_HAS_L2HDR(hdr));
ASSERT((old == hdr_full_cache && new == hdr_l2only_cache) ||
(old == hdr_l2only_cache && new == hdr_full_cache));
@ -4021,7 +4020,6 @@ arc_evict_state(arc_state_t *state, uint64_t spa, int64_t bytes,
multilist_t *ml = state->arcs_list[type];
int num_sublists;
arc_buf_hdr_t **markers;
int i;
IMPLY(bytes < 0, bytes == ARC_EVICT_ALL);
@ -4035,7 +4033,7 @@ arc_evict_state(arc_state_t *state, uint64_t spa, int64_t bytes,
* than starting from the tail each time.
*/
markers = kmem_zalloc(sizeof (*markers) * num_sublists, KM_SLEEP);
for (i = 0; i < num_sublists; i++) {
for (int i = 0; i < num_sublists; i++) {
multilist_sublist_t *mls;
markers[i] = kmem_cache_alloc(hdr_full_cache, KM_SLEEP);
@ -4076,7 +4074,7 @@ arc_evict_state(arc_state_t *state, uint64_t spa, int64_t bytes,
* (e.g. index 0) would cause evictions to favor certain
* sublists over others.
*/
for (i = 0; i < num_sublists; i++) {
for (int i = 0; i < num_sublists; i++) {
uint64_t bytes_remaining;
uint64_t bytes_evicted;
@ -4122,7 +4120,7 @@ arc_evict_state(arc_state_t *state, uint64_t spa, int64_t bytes,
}
}
for (i = 0; i < num_sublists; i++) {
for (int i = 0; i < num_sublists; i++) {
multilist_sublist_t *mls = multilist_sublist_lock(ml, i);
multilist_sublist_remove(mls, markers[i]);
multilist_sublist_unlock(mls);
@ -4947,7 +4945,6 @@ arc_reclaim_thread(void *unused)
mutex_enter(&arc_reclaim_lock);
while (!arc_reclaim_thread_exit) {
int64_t to_free;
uint64_t evicted = 0;
uint64_t need_free = arc_need_free;
arc_tuning_update();
@ -4996,7 +4993,8 @@ arc_reclaim_thread(void *unused)
*/
free_memory = arc_available_memory();
to_free = (arc_c >> arc_shrink_shift) - free_memory;
int64_t to_free =
(arc_c >> arc_shrink_shift) - free_memory;
if (to_free > 0) {
#ifdef _KERNEL
to_free = MAX(to_free, need_free);
@ -5665,15 +5663,14 @@ arc_read_done(zio_t *zio)
* read.
*/
if (HDR_IN_HASH_TABLE(hdr)) {
arc_buf_hdr_t *found;
ASSERT3U(hdr->b_birth, ==, BP_PHYSICAL_BIRTH(zio->io_bp));
ASSERT3U(hdr->b_dva.dva_word[0], ==,
BP_IDENTITY(zio->io_bp)->dva_word[0]);
ASSERT3U(hdr->b_dva.dva_word[1], ==,
BP_IDENTITY(zio->io_bp)->dva_word[1]);
found = buf_hash_find(hdr->b_spa, zio->io_bp, &hash_lock);
arc_buf_hdr_t *found = buf_hash_find(hdr->b_spa, zio->io_bp,
&hash_lock);
ASSERT((found == hdr &&
DVA_EQUAL(&hdr->b_dva, BP_IDENTITY(zio->io_bp))) ||
@ -6372,8 +6369,6 @@ arc_freed(spa_t *spa, const blkptr_t *bp)
void
arc_release(arc_buf_t *buf, void *tag)
{
kmutex_t *hash_lock;
arc_state_t *state;
arc_buf_hdr_t *hdr = buf->b_hdr;
/*
@ -6414,7 +6409,7 @@ arc_release(arc_buf_t *buf, void *tag)
return;
}
hash_lock = HDR_LOCK(hdr);
kmutex_t *hash_lock = HDR_LOCK(hdr);
mutex_enter(hash_lock);
/*
@ -6422,7 +6417,7 @@ arc_release(arc_buf_t *buf, void *tag)
* held, we must be careful not to reference state or the
* b_state field after dropping the lock.
*/
state = hdr->b_l1hdr.b_state;
arc_state_t *state = hdr->b_l1hdr.b_state;
ASSERT3P(hash_lock, ==, HDR_LOCK(hdr));
ASSERT3P(state, !=, arc_anon);
@ -6622,7 +6617,6 @@ arc_write_ready(zio_t *zio)
arc_buf_hdr_t *hdr = buf->b_hdr;
blkptr_t *bp = zio->io_bp;
uint64_t psize = BP_IS_HOLE(bp) ? 0 : BP_GET_PSIZE(bp);
enum zio_compress compress;
fstrans_cookie_t cookie = spl_fstrans_mark();
ASSERT(HDR_HAS_L1HDR(hdr));
@ -6689,6 +6683,7 @@ arc_write_ready(zio_t *zio)
/* this must be done after the buffer flags are adjusted */
arc_cksum_compute(buf);
enum zio_compress compress;
if (BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp)) {
compress = ZIO_COMPRESS_OFF;
} else {
@ -8459,7 +8454,6 @@ l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz)
l2arc_write_callback_t *cb;
zio_t *pio, *wzio;
uint64_t guid = spa_load_guid(spa);
int try;
ASSERT3P(dev->l2ad_vdev, !=, NULL);
@ -8472,7 +8466,7 @@ l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz)
/*
* Copy buffers for L2ARC writing.
*/
for (try = 0; try < L2ARC_FEED_TYPES; try++) {
for (int try = 0; try < L2ARC_FEED_TYPES; try++) {
multilist_sublist_t *mls = l2arc_sublist_lock(try);
uint64_t passed_sz = 0;

6
module/zfs/blkptr.c
View File

@ -50,7 +50,6 @@ encode_embedded_bp_compressed(blkptr_t *bp, void *data,
uint64_t *bp64 = (uint64_t *)bp;
uint64_t w = 0;
uint8_t *data8 = data;
int i;
ASSERT3U(compressed_size, <=, BPE_PAYLOAD_SIZE);
ASSERT(uncompressed_size == compressed_size ||
@ -69,7 +68,7 @@ encode_embedded_bp_compressed(blkptr_t *bp, void *data,
* Encode the byte array into the words of the block pointer.
* First byte goes into low bits of first word (little endian).
*/
for (i = 0; i < compressed_size; i++) {
for (int i = 0; i < compressed_size; i++) {
BF64_SET(w, (i % sizeof (w)) * NBBY, NBBY, data8[i]);
if (i % sizeof (w) == sizeof (w) - 1) {
/* we've reached the end of a word */
@ -97,7 +96,6 @@ decode_embedded_bp_compressed(const blkptr_t *bp, void *buf)
uint8_t *buf8 = buf;
uint64_t w = 0;
const uint64_t *bp64 = (const uint64_t *)bp;
int i;
ASSERT(BP_IS_EMBEDDED(bp));
@ -107,7 +105,7 @@ decode_embedded_bp_compressed(const blkptr_t *bp, void *buf)
* Decode the words of the block pointer into the byte array.
* Low bits of first word are the first byte (little endian).
*/
for (i = 0; i < psize; i++) {
for (int i = 0; i < psize; i++) {
if (i % sizeof (w) == 0) {
/* beginning of a word */
ASSERT3P(bp64, <, bp + 1);

2
module/zfs/bpobj.c
View File

@ -378,7 +378,6 @@ bpobj_enqueue_subobj(bpobj_t *bpo, uint64_t subobj, dmu_tx_t *tx)
{
bpobj_t subbpo;
uint64_t used, comp, uncomp, subsubobjs;
ASSERTV(dmu_object_info_t doi);
ASSERT(bpo->bpo_havesubobj);
ASSERT(bpo->bpo_havecomp);
@ -407,6 +406,7 @@ bpobj_enqueue_subobj(bpobj_t *bpo, uint64_t subobj, dmu_tx_t *tx)
DMU_OT_NONE, 0, tx);
}
ASSERTV(dmu_object_info_t doi);
ASSERT0(dmu_object_info(bpo->bpo_os, bpo->bpo_phys->bpo_subobjs, &doi));
ASSERT3U(doi.doi_type, ==, DMU_OT_BPOBJ_SUBOBJ);

42
module/zfs/dbuf.c
View File

@ -502,7 +502,7 @@ dbuf_evict_one(void)
{
int idx = multilist_get_random_index(dbuf_cache);
multilist_sublist_t *mls = multilist_sublist_lock(dbuf_cache, idx);
dmu_buf_impl_t *db;
ASSERT(!MUTEX_HELD(&dbuf_evict_lock));
/*
@ -513,7 +513,7 @@ dbuf_evict_one(void)
ASSERT3P(tsd_get(zfs_dbuf_evict_key), ==, NULL);
(void) tsd_set(zfs_dbuf_evict_key, (void *)B_TRUE);
db = multilist_sublist_tail(mls);
dmu_buf_impl_t *db = multilist_sublist_tail(mls);
while (db != NULL && mutex_tryenter(&db->db_mtx) == 0) {
db = multilist_sublist_prev(mls, db);
}
@ -844,7 +844,6 @@ dbuf_verify(dmu_buf_impl_t *db)
ASSERT(buf[i] == 0);
}
} else {
int i;
blkptr_t *bps = db->db.db_data;
ASSERT3U(1 << DB_DNODE(db)->dn_indblkshift, ==,
db->db.db_size);
@ -855,7 +854,7 @@ dbuf_verify(dmu_buf_impl_t *db)
* We iterate through each blkptr and verify
* they only have those fields set.
*/
for (i = 0;
for (int i = 0;
i < db->db.db_size / sizeof (blkptr_t);
i++) {
blkptr_t *bp = &bps[i];
@ -1080,8 +1079,7 @@ dbuf_read_impl(dmu_buf_impl_t *db, zio_t *zio, uint32_t flags)
BP_IS_HOLE(db->db_blkptr) &&
db->db_blkptr->blk_birth != 0) {
blkptr_t *bps = db->db.db_data;
int i;
for (i = 0; i < ((1 <<
for (int i = 0; i < ((1 <<
DB_DNODE(db)->dn_indblkshift) / sizeof (blkptr_t));
i++) {
blkptr_t *bp = &bps[i];
@ -1974,7 +1972,6 @@ static void
dmu_buf_will_dirty_impl(dmu_buf_t *db_fake, int flags, dmu_tx_t *tx)
{
dmu_buf_impl_t *db = (dmu_buf_impl_t *)db_fake;
dbuf_dirty_record_t *dr;
ASSERT(tx->tx_txg != 0);
ASSERT(!refcount_is_zero(&db->db_holds));
@ -1987,6 +1984,7 @@ dmu_buf_will_dirty_impl(dmu_buf_t *db_fake, int flags, dmu_tx_t *tx)
*/
mutex_enter(&db->db_mtx);
dbuf_dirty_record_t *dr;
for (dr = db->db_last_dirty;
dr != NULL && dr->dr_txg >= tx->tx_txg; dr = dr->dr_next) {
/*
@ -2307,8 +2305,6 @@ static inline int
dbuf_findbp(dnode_t *dn, int level, uint64_t blkid, int fail_sparse,
dmu_buf_impl_t **parentp, blkptr_t **bpp, struct dbuf_hold_impl_data *dh)
{
int nlevels, epbs;
*parentp = NULL;
*bpp = NULL;
@ -2327,9 +2323,9 @@ dbuf_findbp(dnode_t *dn, int level, uint64_t blkid, int fail_sparse,
return (0);
}
nlevels =
int nlevels =
(dn->dn_phys->dn_nlevels == 0) ? 1 : dn->dn_phys->dn_nlevels;
epbs = dn->dn_indblkshift - SPA_BLKPTRSHIFT;
int epbs = dn->dn_indblkshift - SPA_BLKPTRSHIFT;
ASSERT3U(level * epbs, <, 64);
ASSERT(RW_LOCK_HELD(&dn->dn_struct_rwlock));
@ -2497,11 +2493,11 @@ typedef struct dbuf_prefetch_arg {
static void
dbuf_issue_final_prefetch(dbuf_prefetch_arg_t *dpa, blkptr_t *bp)
{
arc_flags_t aflags;
if (BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp))
return;
aflags = dpa->dpa_aflags | ARC_FLAG_NOWAIT | ARC_FLAG_PREFETCH;
arc_flags_t aflags =
dpa->dpa_aflags | ARC_FLAG_NOWAIT | ARC_FLAG_PREFETCH;
ASSERT3U(dpa->dpa_curlevel, ==, BP_GET_LEVEL(bp));
ASSERT3U(dpa->dpa_curlevel, ==, dpa->dpa_zb.zb_level);
@ -2520,8 +2516,6 @@ static void
dbuf_prefetch_indirect_done(zio_t *zio, int err, arc_buf_t *abuf, void *private)
{
dbuf_prefetch_arg_t *dpa = private;
uint64_t nextblkid;
blkptr_t *bp;
ASSERT3S(dpa->dpa_zb.zb_level, <, dpa->dpa_curlevel);
ASSERT3S(dpa->dpa_curlevel, >, 0);
@ -2560,9 +2554,9 @@ dbuf_prefetch_indirect_done(zio_t *zio, int err, arc_buf_t *abuf, void *private)
dpa->dpa_curlevel--;
nextblkid = dpa->dpa_zb.zb_blkid >>
uint64_t nextblkid = dpa->dpa_zb.zb_blkid >>
(dpa->dpa_epbs * (dpa->dpa_curlevel - dpa->dpa_zb.zb_level));
bp = ((blkptr_t *)abuf->b_data) +
blkptr_t *bp = ((blkptr_t *)abuf->b_data) +
P2PHASE(nextblkid, 1ULL << dpa->dpa_epbs);
if (BP_IS_HOLE(bp) || err != 0) {
kmem_free(dpa, sizeof (*dpa));
@ -2602,10 +2596,6 @@ dbuf_prefetch(dnode_t *dn, int64_t level, uint64_t blkid, zio_priority_t prio,
blkptr_t bp;
int epbs, nlevels, curlevel;
uint64_t curblkid;
dmu_buf_impl_t *db;
zio_t *pio;
dbuf_prefetch_arg_t *dpa;
dsl_dataset_t *ds;
ASSERT(blkid != DMU_BONUS_BLKID);
ASSERT(RW_LOCK_HELD(&dn->dn_struct_rwlock));
@ -2628,7 +2618,7 @@ dbuf_prefetch(dnode_t *dn, int64_t level, uint64_t blkid, zio_priority_t prio,
if (dn->dn_phys->dn_maxblkid < blkid << (epbs * level))
return;
db = dbuf_find(dn->dn_objset, dn->dn_object,
dmu_buf_impl_t *db = dbuf_find(dn->dn_objset, dn->dn_object,
level, blkid);
if (db != NULL) {
mutex_exit(&db->db_mtx);
@ -2673,11 +2663,11 @@ dbuf_prefetch(dnode_t *dn, int64_t level, uint64_t blkid, zio_priority_t prio,
ASSERT3U(curlevel, ==, BP_GET_LEVEL(&bp));
pio = zio_root(dmu_objset_spa(dn->dn_objset), NULL, NULL,
zio_t *pio = zio_root(dmu_objset_spa(dn->dn_objset), NULL, NULL,
ZIO_FLAG_CANFAIL);
dpa = kmem_zalloc(sizeof (*dpa), KM_SLEEP);
ds = dn->dn_objset->os_dsl_dataset;
dbuf_prefetch_arg_t *dpa = kmem_zalloc(sizeof (*dpa), KM_SLEEP);
dsl_dataset_t *ds = dn->dn_objset->os_dsl_dataset;
SET_BOOKMARK(&dpa->dpa_zb, ds != NULL ? ds->ds_object : DMU_META_OBJSET,
dn->dn_object, level, blkid);
dpa->dpa_curlevel = curlevel;
@ -3933,7 +3923,6 @@ dbuf_write(dbuf_dirty_record_t *dr, arc_buf_t *data, dmu_tx_t *tx)
ZIO_PRIORITY_ASYNC_WRITE,
ZIO_FLAG_MUSTSUCCEED | ZIO_FLAG_NODATA, &zb);
} else {
arc_write_done_func_t *children_ready_cb = NULL;
ASSERT(arc_released(data));
/*
@ -3941,6 +3930,7 @@ dbuf_write(dbuf_dirty_record_t *dr, arc_buf_t *data, dmu_tx_t *tx)
* ready callback so that we can properly handle an indirect
* block that only contains holes.
*/
arc_write_done_func_t *children_ready_cb = NULL;
if (db->db_level != 0)
children_ready_cb = dbuf_write_children_ready;

110
module/zfs/ddt.c
View File

@ -261,10 +261,9 @@ ddt_object_name(ddt_t *ddt, enum ddt_type type, enum ddt_class class,
void
ddt_bp_fill(const ddt_phys_t *ddp, blkptr_t *bp, uint64_t txg)
{
int d;
ASSERT(txg != 0);
for (d = 0; d < SPA_DVAS_PER_BP; d++)
for (int d = 0; d < SPA_DVAS_PER_BP; d++)
bp->blk_dva[d] = ddp->ddp_dva[d];
BP_SET_BIRTH(bp, txg, ddp->ddp_phys_birth);
}
@ -313,10 +312,9 @@ ddt_key_fill(ddt_key_t *ddk, const blkptr_t *bp)
void
ddt_phys_fill(ddt_phys_t *ddp, const blkptr_t *bp)
{
int d;
ASSERT(ddp->ddp_phys_birth == 0);
for (d = 0; d < SPA_DVAS_PER_BP; d++)
for (int d = 0; d < SPA_DVAS_PER_BP; d++)
ddp->ddp_dva[d] = bp->blk_dva[d];
ddp->ddp_phys_birth = BP_PHYSICAL_BIRTH(bp);
}
@ -356,9 +354,8 @@ ddt_phys_t *
ddt_phys_select(const ddt_entry_t *dde, const blkptr_t *bp)
{
ddt_phys_t *ddp = (ddt_phys_t *)dde->dde_phys;
int p;
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
if (DVA_EQUAL(BP_IDENTITY(bp), &ddp->ddp_dva[0]) &&
BP_PHYSICAL_BIRTH(bp) == ddp->ddp_phys_birth)
return (ddp);
@ -370,9 +367,8 @@ uint64_t
ddt_phys_total_refcnt(const ddt_entry_t *dde)
{
uint64_t refcnt = 0;
int p;
for (p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++)
for (int p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++)
refcnt += dde->dde_phys[p].ddp_refcnt;
return (refcnt);
@ -386,18 +382,17 @@ ddt_stat_generate(ddt_t *ddt, ddt_entry_t *dde, ddt_stat_t *dds)
ddt_key_t *ddk = &dde->dde_key;
uint64_t lsize = DDK_GET_LSIZE(ddk);
uint64_t psize = DDK_GET_PSIZE(ddk);
int p, d;
bzero(dds, sizeof (*dds));
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
uint64_t dsize = 0;
uint64_t refcnt = ddp->ddp_refcnt;
if (ddp->ddp_phys_birth == 0)
continue;
for (d = 0; d < DDE_GET_NDVAS(dde); d++)
for (int d = 0; d < DDE_GET_NDVAS(dde); d++)
dsize += dva_get_dsize_sync(spa, &ddp->ddp_dva[d]);
dds->dds_blocks += 1;
@ -445,20 +440,16 @@ ddt_stat_update(ddt_t *ddt, ddt_entry_t *dde, uint64_t neg)
void
ddt_histogram_add(ddt_histogram_t *dst, const ddt_histogram_t *src)
{
int h;
for (h = 0; h < 64; h++)
for (int h = 0; h < 64; h++)
ddt_stat_add(&dst->ddh_stat[h], &src->ddh_stat[h], 0);
}
void
ddt_histogram_stat(ddt_stat_t *dds, const ddt_histogram_t *ddh)
{
int h;
bzero(dds, sizeof (*dds));
for (h = 0; h < 64; h++)
for (int h = 0; h < 64; h++)
ddt_stat_add(dds, &ddh->ddh_stat[h], 0);
}
@ -478,15 +469,11 @@ ddt_histogram_empty(const ddt_histogram_t *ddh)
void
ddt_get_dedup_object_stats(spa_t *spa, ddt_object_t *ddo_total)
{
enum zio_checksum c;
enum ddt_type type;
enum ddt_class class;
/* Sum the statistics we cached in ddt_object_sync(). */
for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
ddt_t *ddt = spa->spa_ddt[c];
for (type = 0; type < DDT_TYPES; type++) {
for (class = 0; class < DDT_CLASSES;
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (enum ddt_class class = 0; class < DDT_CLASSES;
class++) {
ddt_object_t *ddo =
&ddt->ddt_object_stats[type][class];
@ -507,14 +494,10 @@ ddt_get_dedup_object_stats(spa_t *spa, ddt_object_t *ddo_total)
void
ddt_get_dedup_histogram(spa_t *spa, ddt_histogram_t *ddh)
{
enum zio_checksum c;
enum ddt_type type;
enum ddt_class class;
for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
ddt_t *ddt = spa->spa_ddt[c];
for (type = 0; type < DDT_TYPES; type++) {
for (class = 0; class < DDT_CLASSES;
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (enum ddt_class class = 0; class < DDT_CLASSES;
class++) {
ddt_histogram_add(ddh,
&ddt->ddt_histogram_cache[type][class]);
@ -571,9 +554,8 @@ ddt_ditto_copies_needed(ddt_t *ddt, ddt_entry_t *dde, ddt_phys_t *ddp_willref)
int total_copies = 0;
int desired_copies = 0;
int copies_needed = 0;
int p;
for (p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) {
for (int p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) {
ddt_phys_t *ddp = &dde->dde_phys[p];
zio_t *zio = dde->dde_lead_zio[p];
uint64_t refcnt = ddp->ddp_refcnt; /* committed refs */
@ -612,9 +594,8 @@ ddt_ditto_copies_present(ddt_entry_t *dde)
ddt_phys_t *ddp = &dde->dde_phys[DDT_PHYS_DITTO];
dva_t *dva = ddp->ddp_dva;
int copies = 0 - DVA_GET_GANG(dva);
int d;
for (d = 0; d < DDE_GET_NDVAS(dde); d++, dva++)
for (int d = 0; d < DDE_GET_NDVAS(dde); d++, dva++)
if (DVA_IS_VALID(dva))
copies++;
@ -722,11 +703,9 @@ ddt_alloc(const ddt_key_t *ddk)
static void
ddt_free(ddt_entry_t *dde)
{
int p;
ASSERT(!dde->dde_loading);
for (p = 0; p < DDT_PHYS_TYPES; p++)
for (int p = 0; p < DDT_PHYS_TYPES; p++)
ASSERT(dde->dde_lead_zio[p] == NULL);
if (dde->dde_repair_abd != NULL)
@ -813,8 +792,6 @@ ddt_prefetch(spa_t *spa, const blkptr_t *bp)
{
ddt_t *ddt;
ddt_entry_t dde;
enum ddt_type type;
enum ddt_class class;
if (!zfs_dedup_prefetch || bp == NULL || !BP_GET_DEDUP(bp))
return;
@ -827,8 +804,8 @@ ddt_prefetch(spa_t *spa, const blkptr_t *bp)
ddt = ddt_select(spa, bp);
ddt_key_fill(&dde.dde_key, bp);
for (type = 0; type < DDT_TYPES; type++) {
for (class = 0; class < DDT_CLASSES; class++) {
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (enum ddt_class class = 0; class < DDT_CLASSES; class++) {
ddt_object_prefetch(ddt, type, class, &dde);
}
}
@ -851,9 +828,8 @@ ddt_entry_compare(const void *x1, const void *x2)
const ddt_key_cmp_t *k1 = (const ddt_key_cmp_t *)&dde1->dde_key;
const ddt_key_cmp_t *k2 = (const ddt_key_cmp_t *)&dde2->dde_key;
int32_t cmp = 0;
int i;
for (i = 0; i < DDT_KEY_CMP_LEN; i++) {
for (int i = 0; i < DDT_KEY_CMP_LEN; i++) {
cmp = (int32_t)k1->u16[i] - (int32_t)k2->u16[i];
if (likely(cmp))
break;
@ -896,20 +872,15 @@ ddt_table_free(ddt_t *ddt)
void
ddt_create(spa_t *spa)
{
enum zio_checksum c;
spa->spa_dedup_checksum = ZIO_DEDUPCHECKSUM;
for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++)
for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++)
spa->spa_ddt[c] = ddt_table_alloc(spa, c);
}
int
ddt_load(spa_t *spa)
{
enum zio_checksum c;
enum ddt_type type;
enum ddt_class class;
int error;
ddt_create(spa);
@ -921,10 +892,10 @@ ddt_load(spa_t *spa)
if (error)
return (error == ENOENT ? 0 : error);
for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
ddt_t *ddt = spa->spa_ddt[c];
for (type = 0; type < DDT_TYPES; type++) {
for (class = 0; class < DDT_CLASSES;
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (enum ddt_class class = 0; class < DDT_CLASSES;
class++) {
error = ddt_object_load(ddt, type, class);
if (error != 0 && error != ENOENT)
@ -946,9 +917,7 @@ ddt_load(spa_t *spa)
void
ddt_unload(spa_t *spa)
{
enum zio_checksum c;
for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
if (spa->spa_ddt[c]) {
ddt_table_free(spa->spa_ddt[c]);
spa->spa_ddt[c] = NULL;
@ -961,8 +930,6 @@ ddt_class_contains(spa_t *spa, enum ddt_class max_class, const blkptr_t *bp)
{
ddt_t *ddt;
ddt_entry_t *dde;
enum ddt_type type;
enum ddt_class class;
if (!BP_GET_DEDUP(bp))
return (B_FALSE);
@ -975,8 +942,8 @@ ddt_class_contains(spa_t *spa, enum ddt_class max_class, const blkptr_t *bp)
ddt_key_fill(&(dde->dde_key), bp);
for (type = 0; type < DDT_TYPES; type++) {
for (class = 0; class <= max_class; class++) {
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (enum ddt_class class = 0; class <= max_class; class++) {
if (ddt_object_lookup(ddt, type, class, dde) == 0) {
kmem_cache_free(ddt_entry_cache, dde);
return (B_TRUE);
@ -993,15 +960,13 @@ ddt_repair_start(ddt_t *ddt, const blkptr_t *bp)
{
ddt_key_t ddk;
ddt_entry_t *dde;
enum ddt_type type;
enum ddt_class class;
ddt_key_fill(&ddk, bp);
dde = ddt_alloc(&ddk);
for (type = 0; type < DDT_TYPES; type++) {
for (class = 0; class < DDT_CLASSES; class++) {
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (enum ddt_class class = 0; class < DDT_CLASSES; class++) {
/*
* We can only do repair if there are multiple copies
* of the block. For anything in the UNIQUE class,
@ -1051,12 +1016,11 @@ ddt_repair_entry(ddt_t *ddt, ddt_entry_t *dde, ddt_entry_t *rdde, zio_t *rio)
ddt_key_t *rddk = &rdde->dde_key;
zio_t *zio;
blkptr_t blk;
int p;
zio = zio_null(rio, rio->io_spa, NULL,
ddt_repair_entry_done, rdde, rio->io_flags);
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++, rddp++) {
for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++, rddp++) {
if (ddp->ddp_phys_birth == 0 ||
ddp->ddp_phys_birth != rddp->ddp_phys_birth ||
bcmp(ddp->ddp_dva, rddp->ddp_dva, sizeof (ddp->ddp_dva)))
@ -1106,12 +1070,11 @@ ddt_sync_entry(ddt_t *ddt, ddt_entry_t *dde, dmu_tx_t *tx, uint64_t txg)
enum ddt_class oclass = dde->dde_class;
enum ddt_class nclass;
uint64_t total_refcnt = 0;
int p;
ASSERT(dde->dde_loaded);
ASSERT(!dde->dde_loading);
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
ASSERT(dde->dde_lead_zio[p] == NULL);
if (ddp->ddp_phys_birth == 0) {
ASSERT(ddp->ddp_refcnt == 0);
@ -1168,8 +1131,6 @@ ddt_sync_table(ddt_t *ddt, dmu_tx_t *tx, uint64_t txg)
spa_t *spa = ddt->ddt_spa;
ddt_entry_t *dde;
void *cookie = NULL;
enum ddt_type type;
enum ddt_class class;
if (avl_numnodes(&ddt->ddt_tree) == 0)
return;
@ -1187,9 +1148,9 @@ ddt_sync_table(ddt_t *ddt, dmu_tx_t *tx, uint64_t txg)
ddt_free(dde);
}
for (type = 0; type < DDT_TYPES; type++) {
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
uint64_t add, count = 0;
for (class = 0; class < DDT_CLASSES; class++) {
for (enum ddt_class class = 0; class < DDT_CLASSES; class++) {
if (ddt_object_exists(ddt, type, class)) {
ddt_object_sync(ddt, type, class, tx);
VERIFY(ddt_object_count(ddt, type, class,
@ -1197,7 +1158,7 @@ ddt_sync_table(ddt_t *ddt, dmu_tx_t *tx, uint64_t txg)
count += add;
}
}
for (class = 0; class < DDT_CLASSES; class++) {
for (enum ddt_class class = 0; class < DDT_CLASSES; class++) {
if (count == 0 && ddt_object_exists(ddt, type, class))
ddt_object_destroy(ddt, type, class, tx);
}
@ -1214,13 +1175,12 @@ ddt_sync(spa_t *spa, uint64_t txg)
dmu_tx_t *tx;
zio_t *rio = zio_root(spa, NULL, NULL,
ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE);
enum zio_checksum c;
ASSERT(spa_syncing_txg(spa) == txg);
tx = dmu_tx_create_assigned(spa->spa_dsl_pool, txg);
for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
ddt_t *ddt = spa->spa_ddt[c];
if (ddt == NULL)
continue;

13
module/zfs/dmu.c
View File

@ -675,10 +675,8 @@ dmu_prefetch(objset_t *os, uint64_t object, int64_t level, uint64_t offset,
}
if (nblks != 0) {
int i;
blkid = dbuf_whichblock(dn, level, offset);
for (i = 0; i < nblks; i++)
for (int i = 0; i < nblks; i++)
dbuf_prefetch(dn, level, blkid + i, pri, 0);
}
@ -704,7 +702,6 @@ get_next_chunk(dnode_t *dn, uint64_t *start, uint64_t minimum)
/* bytes of data covered by a level-1 indirect block */
uint64_t iblkrange =
dn->dn_datablksz * EPB(dn->dn_indblkshift, SPA_BLKPTRSHIFT);
uint64_t blks;
ASSERT3U(minimum, <=, *start);
@ -714,7 +711,7 @@ get_next_chunk(dnode_t *dn, uint64_t *start, uint64_t minimum)
}
ASSERT(ISP2(iblkrange));
for (blks = 0; *start > minimum && blks < maxblks; blks++) {
for (uint64_t blks = 0; *start > minimum && blks < maxblks; blks++) {
int err;
/*
@ -767,7 +764,6 @@ dmu_free_long_range_impl(objset_t *os, dnode_t *dn, uint64_t offset,
int err;
uint64_t dirty_frees_threshold;
dsl_pool_t *dp = dmu_objset_pool(os);
int t;
if (dn == NULL)
return (SET_ERROR(EINVAL));
@ -805,7 +801,7 @@ dmu_free_long_range_impl(objset_t *os, dnode_t *dn, uint64_t offset,
chunk_len = chunk_end - chunk_begin;
mutex_enter(&dp->dp_lock);
for (t = 0; t < TXG_SIZE; t++) {
for (int t = 0; t < TXG_SIZE; t++) {
long_free_dirty_all_txgs +=
dp->dp_long_free_dirty_pertxg[t];
}
@ -2291,7 +2287,6 @@ void
__dmu_object_info_from_dnode(dnode_t *dn, dmu_object_info_t *doi)
{
dnode_phys_t *dnp = dn->dn_phys;
int i;
doi->doi_data_block_size = dn->dn_datablksz;
doi->doi_metadata_block_size = dn->dn_indblkshift ?
@ -2307,7 +2302,7 @@ __dmu_object_info_from_dnode(dnode_t *dn, dmu_object_info_t *doi)
doi->doi_physical_blocks_512 = (DN_USED_BYTES(dnp) + 256) >> 9;
doi->doi_max_offset = (dn->dn_maxblkid + 1) * dn->dn_datablksz;
doi->doi_fill_count = 0;
for (i = 0; i < dnp->dn_nblkptr; i++)
for (int i = 0; i < dnp->dn_nblkptr; i++)
doi->doi_fill_count += BP_GET_FILL(&dnp->dn_blkptr[i]);
}

11
module/zfs/dmu_objset.c
View File

@ -852,11 +852,9 @@ dmu_objset_evict_dbufs(objset_t *os)
void
dmu_objset_evict(objset_t *os)
{
int t;
dsl_dataset_t *ds = os->os_dsl_dataset;
for (t = 0; t < TXG_SIZE; t++)
for (int t = 0; t < TXG_SIZE; t++)
ASSERT(!dmu_objset_is_dirty(os, t));
if (ds)
@ -1384,8 +1382,6 @@ dmu_objset_sync_dnodes(multilist_sublist_t *list, dmu_tx_t *tx)
static void
dmu_objset_write_ready(zio_t *zio, arc_buf_t *abuf, void *arg)
{
int i;
blkptr_t *bp = zio->io_bp;
objset_t *os = arg;
dnode_phys_t *dnp = &os->os_phys->os_meta_dnode;
@ -1401,7 +1397,7 @@ dmu_objset_write_ready(zio_t *zio, arc_buf_t *abuf, void *arg)
* objects that are stored in the objset_phys_t -- the meta
* dnode and user/group accounting objects).
*/
for (i = 0; i < dnp->dn_nblkptr; i++)
for (int i = 0; i < dnp->dn_nblkptr; i++)
fill += BP_GET_FILL(&dnp->dn_blkptr[i]);
BP_SET_FILL(bp, fill);
@ -2273,7 +2269,6 @@ static void
dmu_objset_find_dp_impl(dmu_objset_find_ctx_t *dcp)
{
dsl_pool_t *dp = dcp->dc_dp;
dmu_objset_find_ctx_t *child_dcp;
dsl_dir_t *dd;
dsl_dataset_t *ds;
zap_cursor_t zc;
@ -2315,7 +2310,7 @@ dmu_objset_find_dp_impl(dmu_objset_find_ctx_t *dcp)
sizeof (uint64_t));
ASSERT3U(attr->za_num_integers, ==, 1);
child_dcp =
dmu_objset_find_ctx_t *child_dcp =
kmem_alloc(sizeof (*child_dcp), KM_SLEEP);
*child_dcp = *dcp;
child_dcp->dc_ddobj = attr->za_first_integer;

26
module/zfs/dmu_send.c
View File

@ -744,7 +744,6 @@ do_dump(dmu_sendarg_t *dsa, struct send_block_record *data)
spa_t *spa = ds->ds_dir->dd_pool->dp_spa;
dmu_object_type_t type = bp ? BP_GET_TYPE(bp) : DMU_OT_NONE;
int err = 0;
uint64_t dnobj;
ASSERT3U(zb->zb_level, >=, 0);
@ -780,12 +779,10 @@ do_dump(dmu_sendarg_t *dsa, struct send_block_record *data)
} else if (zb->zb_level > 0 || type == DMU_OT_OBJSET) {
return (0);
} else if (type == DMU_OT_DNODE) {
dnode_phys_t *blk;
int epb = BP_GET_LSIZE(bp) >> DNODE_SHIFT;
arc_flags_t aflags = ARC_FLAG_WAIT;
arc_buf_t *abuf;
enum zio_flag zioflags = ZIO_FLAG_CANFAIL;
int i;
if (dsa->dsa_featureflags & DMU_BACKUP_FEATURE_RAW) {
ASSERT(BP_IS_ENCRYPTED(bp));
@ -799,8 +796,8 @@ do_dump(dmu_sendarg_t *dsa, struct send_block_record *data)
ZIO_PRIORITY_ASYNC_READ, zioflags, &aflags, zb) != 0)
return (SET_ERROR(EIO));
blk = abuf->b_data;
dnobj = zb->zb_blkid * epb;
dnode_phys_t *blk = abuf->b_data;
uint64_t dnobj = zb->zb_blkid * epb;
/*
* Raw sends require sending encryption parameters for the
@ -813,7 +810,8 @@ do_dump(dmu_sendarg_t *dsa, struct send_block_record *data)
}
if (err == 0) {
for (i = 0; i < epb; i += blk[i].dn_extra_slots + 1) {
for (int i = 0; i < epb;
i += blk[i].dn_extra_slots + 1) {
err = dump_dnode(dsa, bp, dnobj + i, blk + i);
if (err != 0)
break;
@ -1836,9 +1834,6 @@ dmu_recv_begin_sync(void *arg, dmu_tx_t *tx)
VERIFY0(dmu_objset_from_ds(newds, &os));
if (drba->drba_cookie->drc_resumable) {
uint64_t one = 1;
uint64_t zero = 0;
dsl_dataset_zapify(newds, tx);
if (drrb->drr_fromguid != 0) {
VERIFY0(zap_add(mos, dsobj, DS_FIELD_RESUME_FROMGUID,
@ -1848,6 +1843,8 @@ dmu_recv_begin_sync(void *arg, dmu_tx_t *tx)
8, 1, &drrb->drr_toguid, tx));
VERIFY0(zap_add(mos, dsobj, DS_FIELD_RESUME_TONAME,
1, strlen(drrb->drr_toname) + 1, drrb->drr_toname, tx));
uint64_t one = 1;
uint64_t zero = 0;
VERIFY0(zap_add(mos, dsobj, DS_FIELD_RESUME_OBJECT,
8, 1, &one, tx));
VERIFY0(zap_add(mos, dsobj, DS_FIELD_RESUME_OFFSET,
@ -1915,10 +1912,6 @@ dmu_recv_resume_begin_check(void *arg, dmu_tx_t *tx)
uint64_t featureflags = DMU_GET_FEATUREFLAGS(drrb->drr_versioninfo);
dsl_dataset_t *ds;
const char *tofs = drba->drba_cookie->drc_tofs;
uint64_t val;
/* 6 extra bytes for /%recv */
char recvname[ZFS_MAX_DATASET_NAME_LEN + 6];
/* already checked */
ASSERT3U(drrb->drr_magic, ==, DMU_BACKUP_MAGIC);
@ -1960,6 +1953,8 @@ dmu_recv_resume_begin_check(void *arg, dmu_tx_t *tx)
!spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_LARGE_DNODE))
return (SET_ERROR(ENOTSUP));
/* 6 extra bytes for /%recv */
char recvname[ZFS_MAX_DATASET_NAME_LEN + 6];
(void) snprintf(recvname, sizeof (recvname), "%s/%s",
tofs, recv_clone_name);
@ -1984,6 +1979,7 @@ dmu_recv_resume_begin_check(void *arg, dmu_tx_t *tx)
dsl_dataset_rele_flags(ds, dsflags, FTAG);
return (SET_ERROR(EINVAL));
}
uint64_t val;
error = zap_lookup(dp->dp_meta_objset, ds->ds_object,
DS_FIELD_RESUME_TOGUID, sizeof (val), 1, &val);
if (error != 0 || drrb->drr_toguid != val) {
@ -3085,9 +3081,7 @@ objlist_create(struct objlist *list)
static void
objlist_destroy(struct objlist *list)
{
struct receive_objnode *n;
for (n = list_remove_head(&list->list);
for (struct receive_objnode *n = list_remove_head(&list->list);
n != NULL; n = list_remove_head(&list->list)) {
kmem_free(n, sizeof (*n));
}

3
module/zfs/dmu_traverse.c
View File

@ -702,7 +702,6 @@ traverse_pool(spa_t *spa, uint64_t txg_start, int flags,
blkptr_cb_t func, void *arg)
{
int err;
uint64_t obj;
dsl_pool_t *dp = spa_get_dsl(spa);
objset_t *mos = dp->dp_meta_objset;
boolean_t hard = (flags & TRAVERSE_HARD);
@ -714,7 +713,7 @@ traverse_pool(spa_t *spa, uint64_t txg_start, int flags,
return (err);
/* visit each dataset */
for (obj = 1; err == 0;
for (uint64_t obj = 1; err == 0;
err = dmu_object_next(mos, &obj, B_FALSE, txg_start)) {
dmu_object_info_t doi;

7
module/zfs/dmu_tx.c
View File

@ -392,7 +392,6 @@ dmu_tx_hold_free_impl(dmu_tx_hold_t *txh, uint64_t off, uint64_t len)
SPA_BLKPTRSHIFT;
uint64_t start = off >> shift;
uint64_t end = (off + len) >> shift;
uint64_t i;
ASSERT(dn->dn_indblkshift != 0);
@ -406,7 +405,7 @@ dmu_tx_hold_free_impl(dmu_tx_hold_t *txh, uint64_t off, uint64_t len)
zio_t *zio = zio_root(tx->tx_pool->dp_spa,
NULL, NULL, ZIO_FLAG_CANFAIL);
for (i = start; i <= end; i++) {
for (uint64_t i = start; i <= end; i++) {
uint64_t ibyte = i << shift;
err = dnode_next_offset(dn, 0, &ibyte, 2, 1, 0);
i = ibyte >> shift;
@ -1114,15 +1113,13 @@ dmu_tx_destroy(dmu_tx_t *tx)
void
dmu_tx_commit(dmu_tx_t *tx)
{
dmu_tx_hold_t *txh;
ASSERT(tx->tx_txg != 0);
/*
* Go through the transaction's hold list and remove holds on
* associated dnodes, notifying waiters if no holds remain.
*/
for (txh = list_head(&tx->tx_holds); txh != NULL;
for (dmu_tx_hold_t *txh = list_head(&tx->tx_holds); txh != NULL;
txh = list_next(&tx->tx_holds, txh)) {
dnode_t *dn = txh->txh_dnode;

16
module/zfs/dmu_zfetch.c
View File

@ -152,17 +152,15 @@ dmu_zfetch_fini(zfetch_t *zf)
static void
dmu_zfetch_stream_create(zfetch_t *zf, uint64_t blkid)
{
zstream_t *zs;
zstream_t *zs_next;
int numstreams = 0;
uint32_t max_streams;
ASSERT(RW_WRITE_HELD(&zf->zf_rwlock));
/*
* Clean up old streams.
*/
for (zs = list_head(&zf->zf_stream);
for (zstream_t *zs = list_head(&zf->zf_stream);
zs != NULL; zs = zs_next) {
zs_next = list_next(&zf->zf_stream, zs);
if (((gethrtime() - zs->zs_atime) / NANOSEC) >
@ -180,7 +178,7 @@ dmu_zfetch_stream_create(zfetch_t *zf, uint64_t blkid)
* If we are already at the maximum number of streams for this file,
* even after removing old streams, then don't create this stream.
*/
max_streams = MAX(1, MIN(zfetch_max_streams,
uint32_t max_streams = MAX(1, MIN(zfetch_max_streams,
zf->zf_dnode->dn_maxblkid * zf->zf_dnode->dn_datablksz /
zfetch_max_distance));
if (numstreams >= max_streams) {
@ -188,7 +186,7 @@ dmu_zfetch_stream_create(zfetch_t *zf, uint64_t blkid)
return;
}
zs = kmem_zalloc(sizeof (*zs), KM_SLEEP);
zstream_t *zs = kmem_zalloc(sizeof (*zs), KM_SLEEP);
zs->zs_blkid = blkid;
zs->zs_pf_blkid = blkid;
zs->zs_ipf_blkid = blkid;
@ -211,8 +209,8 @@ dmu_zfetch(zfetch_t *zf, uint64_t blkid, uint64_t nblks, boolean_t fetch_data)
{
zstream_t *zs;
int64_t pf_start, ipf_start, ipf_istart, ipf_iend;
int64_t pf_ahead_blks, max_blks, iblk;
int epbs, max_dist_blks, pf_nblks, ipf_nblks, i;
int64_t pf_ahead_blks, max_blks;
int epbs, max_dist_blks, pf_nblks, ipf_nblks;
uint64_t end_of_access_blkid;
end_of_access_blkid = blkid + nblks;
@ -324,11 +322,11 @@ dmu_zfetch(zfetch_t *zf, uint64_t blkid, uint64_t nblks, boolean_t fetch_data)
* calling it to reduce the time we hold them.
*/
for (i = 0; i < pf_nblks; i++) {
for (int i = 0; i < pf_nblks; i++) {
dbuf_prefetch(zf->zf_dnode, 0, pf_start + i,
ZIO_PRIORITY_ASYNC_READ, ARC_FLAG_PREDICTIVE_PREFETCH);
}
for (iblk = ipf_istart; iblk < ipf_iend; iblk++) {
for (int64_t iblk = ipf_istart; iblk < ipf_iend; iblk++) {
dbuf_prefetch(zf->zf_dnode, 1, iblk,
ZIO_PRIORITY_ASYNC_READ, ARC_FLAG_PREDICTIVE_PREFETCH);
}

11
module/zfs/dnode.c
View File

@ -1921,8 +1921,7 @@ dnode_free_range(dnode_t *dn, uint64_t off, uint64_t len, dmu_tx_t *tx)
* amount of space if we copy the freed BPs into deadlists.
*/
if (dn->dn_nlevels > 1) {
uint64_t first, last, i, ibyte;
int shift, err;
uint64_t first, last;
first = blkid >> epbs;
dnode_dirty_l1(dn, first, tx);
@ -1933,17 +1932,17 @@ dnode_free_range(dnode_t *dn, uint64_t off, uint64_t len, dmu_tx_t *tx)
if (last != first)
dnode_dirty_l1(dn, last, tx);
shift = dn->dn_datablkshift + dn->dn_indblkshift -
int shift = dn->dn_datablkshift + dn->dn_indblkshift -
SPA_BLKPTRSHIFT;
for (i = first + 1; i < last; i++) {
for (uint64_t i = first + 1; i < last; i++) {
/*
* Set i to the blockid of the next non-hole
* level-1 indirect block at or after i. Note
* that dnode_next_offset() operates in terms of
* level-0-equivalent bytes.
*/
ibyte = i << shift;
err = dnode_next_offset(dn, DNODE_FIND_HAVELOCK,
uint64_t ibyte = i << shift;
int err = dnode_next_offset(dn, DNODE_FIND_HAVELOCK,
&ibyte, 2, 1, 0);
i = ibyte >> shift;
if (i >= last)

24
module/zfs/dnode_sync.c
View File

@ -116,14 +116,10 @@ free_blocks(dnode_t *dn, blkptr_t *bp, int num, dmu_tx_t *tx)
{
dsl_dataset_t *ds = dn->dn_objset->os_dsl_dataset;
uint64_t bytesfreed = 0;
int i;
dprintf("ds=%p obj=%llx num=%d\n", ds, dn->dn_object, num);
for (i = 0; i < num; i++, bp++) {
uint64_t lsize, lvl;
dmu_object_type_t type;
for (int i = 0; i < num; i++, bp++) {
if (BP_IS_HOLE(bp))
continue;
@ -138,9 +134,9 @@ free_blocks(dnode_t *dn, blkptr_t *bp, int num, dmu_tx_t *tx)
* records transmitted during a zfs send.
*/
lsize = BP_GET_LSIZE(bp);
type = BP_GET_TYPE(bp);
lvl = BP_GET_LEVEL(bp);
uint64_t lsize = BP_GET_LSIZE(bp);
dmu_object_type_t type = BP_GET_TYPE(bp);
uint64_t lvl = BP_GET_LEVEL(bp);
bzero(bp, sizeof (blkptr_t));
@ -243,7 +239,6 @@ free_children(dmu_buf_impl_t *db, uint64_t blkid, uint64_t nblks,
dmu_buf_impl_t *subdb;
uint64_t start, end, dbstart, dbend;
unsigned int epbs, shift, i;
uint64_t id;
/*
* There is a small possibility that this block will not be cached:
@ -280,7 +275,7 @@ free_children(dmu_buf_impl_t *db, uint64_t blkid, uint64_t nblks,
FREE_VERIFY(db, start, end, tx);
free_blocks(dn, bp, end-start+1, tx);
} else {
for (id = start; id <= end; id++, bp++) {
for (uint64_t id = start; id <= end; id++, bp++) {
if (BP_IS_HOLE(bp))
continue;
rw_enter(&dn->dn_struct_rwlock, RW_READER);
@ -356,11 +351,10 @@ dnode_sync_free_range_impl(dnode_t *dn, uint64_t blkid, uint64_t nblks,
int start = blkid >> shift;
int end = (blkid + nblks - 1) >> shift;
dmu_buf_impl_t *db;
int i;
ASSERT(start < dn->dn_phys->dn_nblkptr);
bp += start;
for (i = start; i <= end; i++, bp++) {
for (int i = start; i <= end; i++, bp++) {
if (BP_IS_HOLE(bp))
continue;
rw_enter(&dn->dn_struct_rwlock, RW_READER);
@ -562,9 +556,8 @@ dnode_sync(dnode_t *dn, dmu_tx_t *tx)
dnode_phys_t *dnp = dn->dn_phys;
int txgoff = tx->tx_txg & TXG_MASK;
list_t *list = &dn->dn_dirty_records[txgoff];
boolean_t kill_spill = B_FALSE;
boolean_t freeing_dnode;
ASSERTV(static const dnode_phys_t zerodn = { 0 });
boolean_t kill_spill = B_FALSE;
ASSERT(dmu_tx_is_syncing(tx));
ASSERT(dnp->dn_type != DMU_OT_NONE || dn->dn_allocated_txg);
@ -657,7 +650,8 @@ dnode_sync(dnode_t *dn, dmu_tx_t *tx)
dn->dn_next_bonustype[txgoff] = 0;
}
freeing_dnode = dn->dn_free_txg > 0 && dn->dn_free_txg <= tx->tx_txg;
boolean_t freeing_dnode = dn->dn_free_txg > 0 &&
dn->dn_free_txg <= tx->tx_txg;
/*
* Remove the spill block if we have been explicitly asked to

15
module/zfs/dsl_bookmark.c
View File

@ -149,12 +149,11 @@ dsl_bookmark_create_check(void *arg, dmu_tx_t *tx)
dsl_bookmark_create_arg_t *dbca = arg;
dsl_pool_t *dp = dmu_tx_pool(tx);
int rv = 0;
nvpair_t *pair;
if (!spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_BOOKMARKS))
return (SET_ERROR(ENOTSUP));
for (pair = nvlist_next_nvpair(dbca->dbca_bmarks, NULL);
for (nvpair_t *pair = nvlist_next_nvpair(dbca->dbca_bmarks, NULL);
pair != NULL; pair = nvlist_next_nvpair(dbca->dbca_bmarks, pair)) {
dsl_dataset_t *snapds;
int error;
@ -183,11 +182,10 @@ dsl_bookmark_create_sync(void *arg, dmu_tx_t *tx)
dsl_bookmark_create_arg_t *dbca = arg;
dsl_pool_t *dp = dmu_tx_pool(tx);
objset_t *mos = dp->dp_meta_objset;
nvpair_t *pair;
ASSERT(spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_BOOKMARKS));
for (pair = nvlist_next_nvpair(dbca->dbca_bmarks, NULL);
for (nvpair_t *pair = nvlist_next_nvpair(dbca->dbca_bmarks, NULL);
pair != NULL; pair = nvlist_next_nvpair(dbca->dbca_bmarks, pair)) {
dsl_dataset_t *snapds, *bmark_fs;
zfs_bookmark_phys_t bmark_phys;
@ -268,7 +266,6 @@ dsl_get_bookmarks_impl(dsl_dataset_t *ds, nvlist_t *props, nvlist_t *outnvl)
for (zap_cursor_init(&zc, dp->dp_meta_objset, bmark_zapobj);
zap_cursor_retrieve(&zc, &attr) == 0;
zap_cursor_advance(&zc)) {
nvlist_t *out_props;
char *bmark_name = attr.za_name;
zfs_bookmark_phys_t bmark_phys;
@ -277,7 +274,7 @@ dsl_get_bookmarks_impl(dsl_dataset_t *ds, nvlist_t *props, nvlist_t *outnvl)
if (err != 0)
break;
out_props = fnvlist_alloc();
nvlist_t *out_props = fnvlist_alloc();
if (nvlist_exists(props,
zfs_prop_to_name(ZFS_PROP_GUID))) {
dsl_prop_nvlist_add_uint64(out_props,
@ -356,7 +353,6 @@ dsl_bookmark_destroy_check(void *arg, dmu_tx_t *tx)
dsl_bookmark_destroy_arg_t *dbda = arg;
dsl_pool_t *dp = dmu_tx_pool(tx);
int rv = 0;
nvpair_t *pair;
ASSERT(nvlist_empty(dbda->dbda_success));
ASSERT(nvlist_empty(dbda->dbda_errors));
@ -364,7 +360,7 @@ dsl_bookmark_destroy_check(void *arg, dmu_tx_t *tx)
if (!spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_BOOKMARKS))
return (0);
for (pair = nvlist_next_nvpair(dbda->dbda_bmarks, NULL);
for (nvpair_t *pair = nvlist_next_nvpair(dbda->dbda_bmarks, NULL);
pair != NULL; pair = nvlist_next_nvpair(dbda->dbda_bmarks, pair)) {
const char *fullname = nvpair_name(pair);
dsl_dataset_t *ds;
@ -408,9 +404,8 @@ dsl_bookmark_destroy_sync(void *arg, dmu_tx_t *tx)
dsl_bookmark_destroy_arg_t *dbda = arg;
dsl_pool_t *dp = dmu_tx_pool(tx);
objset_t *mos = dp->dp_meta_objset;
nvpair_t *pair;
for (pair = nvlist_next_nvpair(dbda->dbda_success, NULL);
for (nvpair_t *pair = nvlist_next_nvpair(dbda->dbda_success, NULL);
pair != NULL; pair = nvlist_next_nvpair(dbda->dbda_success, pair)) {
dsl_dataset_t *ds;
char *shortname;

58
module/zfs/dsl_dataset.c
View File

@ -113,7 +113,6 @@ dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp, dmu_tx_t *tx)
{
int used, compressed, uncompressed;
int64_t delta;
spa_feature_t f;
used = bp_get_dsize_sync(tx->tx_pool->dp_spa, bp);
compressed = BP_GET_PSIZE(bp);
@ -147,7 +146,7 @@ dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp, dmu_tx_t *tx)
B_TRUE;
}
f = zio_checksum_to_feature(BP_GET_CHECKSUM(bp));
spa_feature_t f = zio_checksum_to_feature(BP_GET_CHECKSUM(bp));
if (f != SPA_FEATURE_NONE)
ds->ds_feature_activation_needed[f] = B_TRUE;
@ -719,10 +718,9 @@ dsl_dataset_name(dsl_dataset_t *ds, char *name)
int
dsl_dataset_namelen(dsl_dataset_t *ds)
{
int len;
VERIFY0(dsl_dataset_get_snapname(ds));
mutex_enter(&ds->ds_lock);
len = strlen(ds->ds_snapname);
int len = strlen(ds->ds_snapname);
/* add '@' if ds is a snap */
if (len > 0)
len++;
@ -854,7 +852,6 @@ dsl_dataset_create_sync_dd(dsl_dir_t *dd, dsl_dataset_t *origin,
if (origin == NULL) {
dsphys->ds_deadlist_obj = dsl_deadlist_alloc(mos, tx);
} else {
spa_feature_t f;
dsl_dataset_t *ohds; /* head of the origin snapshot */
dsphys->ds_prev_snap_obj = origin->ds_object;
@ -877,7 +874,7 @@ dsl_dataset_create_sync_dd(dsl_dir_t *dd, dsl_dataset_t *origin,
dsphys->ds_flags |= dsl_dataset_phys(origin)->ds_flags &
(DS_FLAG_INCONSISTENT | DS_FLAG_CI_DATASET);
for (f = 0; f < SPA_FEATURES; f++) {
for (spa_feature_t f = 0; f < SPA_FEATURES; f++) {
if (origin->ds_feature_inuse[f])
dsl_dataset_activate_feature(dsobj, f, tx);
}
@ -1045,8 +1042,8 @@ dsl_dataset_remove_from_next_clones(dsl_dataset_t *ds, uint64_t obj,
dmu_tx_t *tx)
{
objset_t *mos = ds->ds_dir->dd_pool->dp_meta_objset;
int err;
ASSERTV(uint64_t count);
int err;
ASSERT(dsl_dataset_phys(ds)->ds_num_children >= 2);
err = zap_remove_int(mos, dsl_dataset_phys(ds)->ds_next_clones_obj,
@ -1107,9 +1104,7 @@ dsl_dataset_dirty(dsl_dataset_t *ds, dmu_tx_t *tx)
boolean_t
dsl_dataset_is_dirty(dsl_dataset_t *ds)
{
int t;
for (t = 0; t < TXG_SIZE; t++) {
for (int t = 0; t < TXG_SIZE; t++) {
if (txg_list_member(&ds->ds_dir->dd_pool->dp_dirty_datasets,
ds, t))
return (B_TRUE);
@ -1363,7 +1358,6 @@ dsl_dataset_snapshot_sync_impl(dsl_dataset_t *ds, const char *snapname,
dsl_dataset_phys_t *dsphys;
uint64_t dsobj, crtxg;
objset_t *mos = dp->dp_meta_objset;
spa_feature_t f;
ASSERTV(static zil_header_t zero_zil);
ASSERTV(objset_t *os);
@ -1419,7 +1413,7 @@ dsl_dataset_snapshot_sync_impl(dsl_dataset_t *ds, const char *snapname,
rrw_exit(&ds->ds_bp_rwlock, FTAG);
dmu_buf_rele(dbuf, FTAG);
for (f = 0; f < SPA_FEATURES; f++) {
for (spa_feature_t f = 0; f < SPA_FEATURES; f++) {
if (ds->ds_feature_inuse[f])
dsl_dataset_activate_feature(dsobj, f, tx);
}
@ -1691,8 +1685,6 @@ dsl_dataset_snapshot_tmp(const char *fsname, const char *snapname,
void
dsl_dataset_sync(dsl_dataset_t *ds, zio_t *zio, dmu_tx_t *tx)
{
spa_feature_t f;
ASSERT(dmu_tx_is_syncing(tx));
ASSERT(ds->ds_objset != NULL);
ASSERT(dsl_dataset_phys(ds)->ds_next_snap_obj == 0);
@ -1721,7 +1713,7 @@ dsl_dataset_sync(dsl_dataset_t *ds, zio_t *zio, dmu_tx_t *tx)
dmu_objset_sync(ds->ds_objset, zio, tx);
for (f = 0; f < SPA_FEATURES; f++) {
for (spa_feature_t f = 0; f < SPA_FEATURES; f++) {
if (ds->ds_feature_activation_needed[f]) {
if (ds->ds_feature_inuse[f])
continue;
@ -1823,10 +1815,6 @@ get_receive_resume_stats(dsl_dataset_t *ds, nvlist_t *nv)
uint64_t val;
nvlist_t *token_nv = fnvlist_alloc();
size_t packed_size, compressed_size;
zio_cksum_t cksum;
char *propval;
char buf[MAXNAMELEN];
int i;
if (zap_lookup(dp->dp_meta_objset, ds->ds_object,
DS_FIELD_RESUME_FROMGUID, sizeof (val), 1, &val) == 0) {
@ -1848,6 +1836,7 @@ get_receive_resume_stats(dsl_dataset_t *ds, nvlist_t *nv)
DS_FIELD_RESUME_TOGUID, sizeof (val), 1, &val) == 0) {
fnvlist_add_uint64(token_nv, "toguid", val);
}
char buf[MAXNAMELEN];
if (zap_lookup(dp->dp_meta_objset, ds->ds_object,
DS_FIELD_RESUME_TONAME, 1, sizeof (buf), buf) == 0) {
fnvlist_add_string(token_nv, "toname", buf);
@ -1875,14 +1864,15 @@ get_receive_resume_stats(dsl_dataset_t *ds, nvlist_t *nv)
compressed_size = gzip_compress(packed, compressed,
packed_size, packed_size, 6);
zio_cksum_t cksum;
fletcher_4_native_varsize(compressed, compressed_size, &cksum);
str = kmem_alloc(compressed_size * 2 + 1, KM_SLEEP);
for (i = 0; i < compressed_size; i++) {
for (int i = 0; i < compressed_size; i++) {
(void) sprintf(str + i * 2, "%02x", compressed[i]);
}
str[compressed_size * 2] = '\0';
propval = kmem_asprintf("%u-%llx-%llx-%s",
char *propval = kmem_asprintf("%u-%llx-%llx-%s",
ZFS_SEND_RESUME_TOKEN_VERSION,
(longlong_t)cksum.zc_word[0],
(longlong_t)packed_size, str);
@ -1970,10 +1960,6 @@ dsl_dataset_stats(dsl_dataset_t *ds, nvlist_t *nv)
}
if (!dsl_dataset_is_snapshot(ds)) {
/* 6 extra bytes for /%recv */
char recvname[ZFS_MAX_DATASET_NAME_LEN + 6];
dsl_dataset_t *recv_ds;
/*
* A failed "newfs" (e.g. full) resumable receive leaves
* the stats set on this dataset. Check here for the prop.
@ -1985,6 +1971,9 @@ dsl_dataset_stats(dsl_dataset_t *ds, nvlist_t *nv)
* stats set on our child named "%recv". Check the child
* for the prop.
*/
/* 6 extra bytes for /%recv */
char recvname[ZFS_MAX_DATASET_NAME_LEN + 6];
dsl_dataset_t *recv_ds;
dsl_dataset_name(ds, recvname);
if (strlcat(recvname, "/", sizeof (recvname)) <
sizeof (recvname) &&
@ -2271,8 +2260,6 @@ dsl_dataset_rollback_check(void *arg, dmu_tx_t *tx)
dsl_dataset_t *ds;
int64_t unused_refres_delta;
int error;
nvpair_t *pair;
nvlist_t *proprequest, *bookmarks;
error = dsl_dataset_hold(dp, ddra->ddra_fsname, FTAG, &ds);
if (error != 0)
@ -2315,14 +2302,14 @@ dsl_dataset_rollback_check(void *arg, dmu_tx_t *tx)
}
/* must not have any bookmarks after the most recent snapshot */
proprequest = fnvlist_alloc();
nvlist_t *proprequest = fnvlist_alloc();
fnvlist_add_boolean(proprequest, zfs_prop_to_name(ZFS_PROP_CREATETXG));
bookmarks = fnvlist_alloc();
nvlist_t *bookmarks = fnvlist_alloc();
error = dsl_get_bookmarks_impl(ds, proprequest, bookmarks);
fnvlist_free(proprequest);
if (error != 0)
return (error);
for (pair = nvlist_next_nvpair(bookmarks, NULL);
for (nvpair_t *pair = nvlist_next_nvpair(bookmarks, NULL);
pair != NULL; pair = nvlist_next_nvpair(bookmarks, pair)) {
nvlist_t *valuenv =
fnvlist_lookup_nvlist(fnvpair_value_nvlist(pair),
@ -3067,7 +3054,6 @@ dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone,
{
dsl_pool_t *dp = dmu_tx_pool(tx);
int64_t unused_refres_delta;
blkptr_t tmp;
ASSERT(clone->ds_reserved == 0);
/*
@ -3083,9 +3069,6 @@ dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone,
* Swap per-dataset feature flags.
*/
for (spa_feature_t f = 0; f < SPA_FEATURES; f++) {
boolean_t clone_inuse;
boolean_t origin_head_inuse;
if (!(spa_feature_table[f].fi_flags &
ZFEATURE_FLAG_PER_DATASET)) {
ASSERT(!clone->ds_feature_inuse[f]);
@ -3093,8 +3076,8 @@ dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone,
continue;
}
clone_inuse = clone->ds_feature_inuse[f];
origin_head_inuse = origin_head->ds_feature_inuse[f];
boolean_t clone_inuse = clone->ds_feature_inuse[f];
boolean_t origin_head_inuse = origin_head->ds_feature_inuse[f];
if (clone_inuse) {
dsl_dataset_deactivate_feature(clone->ds_object, f, tx);
@ -3152,6 +3135,7 @@ dsl_dataset_clone_swap_sync_impl(dsl_dataset_t *clone,
{
rrw_enter(&clone->ds_bp_rwlock, RW_WRITER, FTAG);
rrw_enter(&origin_head->ds_bp_rwlock, RW_WRITER, FTAG);
blkptr_t tmp;
tmp = dsl_dataset_phys(origin_head)->ds_bp;
dsl_dataset_phys(origin_head)->ds_bp =
dsl_dataset_phys(clone)->ds_bp;
@ -3689,7 +3673,6 @@ dsl_dataset_is_before(dsl_dataset_t *later, dsl_dataset_t *earlier,
dsl_pool_t *dp = later->ds_dir->dd_pool;
int error;
boolean_t ret;
dsl_dataset_t *origin;
ASSERT(dsl_pool_config_held(dp));
ASSERT(earlier->ds_is_snapshot || earlier_txg != 0);
@ -3708,6 +3691,7 @@ dsl_dataset_is_before(dsl_dataset_t *later, dsl_dataset_t *earlier,
if (dsl_dir_phys(later->ds_dir)->dd_origin_obj == earlier->ds_object)
return (B_TRUE);
dsl_dataset_t *origin;
error = dsl_dataset_hold_obj(dp,
dsl_dir_phys(later->ds_dir)->dd_origin_obj, FTAG, &origin);
if (error != 0)

21
module/zfs/dsl_destroy.c
View File

@ -245,14 +245,11 @@ dsl_dataset_remove_clones_key(dsl_dataset_t *ds, uint64_t mintxg, dmu_tx_t *tx)
void
dsl_destroy_snapshot_sync_impl(dsl_dataset_t *ds, boolean_t defer, dmu_tx_t *tx)
{
spa_feature_t f;
int after_branch_point = FALSE;
dsl_pool_t *dp = ds->ds_dir->dd_pool;
objset_t *mos = dp->dp_meta_objset;
dsl_dataset_t *ds_prev = NULL;
uint64_t obj, old_unique, used = 0, comp = 0, uncomp = 0;
dsl_dataset_t *ds_next, *ds_head, *hds;
uint64_t obj;
ASSERT(RRW_WRITE_HELD(&dp->dp_config_rwlock));
rrw_enter(&ds->ds_bp_rwlock, RW_READER, FTAG);
@ -279,7 +276,7 @@ dsl_destroy_snapshot_sync_impl(dsl_dataset_t *ds, boolean_t defer, dmu_tx_t *tx)
obj = ds->ds_object;
for (f = 0; f < SPA_FEATURES; f++) {
for (spa_feature_t f = 0; f < SPA_FEATURES; f++) {
if (ds->ds_feature_inuse[f]) {
dsl_dataset_deactivate_feature(obj, f, tx);
ds->ds_feature_inuse[f] = B_FALSE;
@ -310,6 +307,10 @@ dsl_destroy_snapshot_sync_impl(dsl_dataset_t *ds, boolean_t defer, dmu_tx_t *tx)
}
}
dsl_dataset_t *ds_next;
uint64_t old_unique;
uint64_t used = 0, comp = 0, uncomp = 0;
VERIFY0(dsl_dataset_hold_obj(dp,
dsl_dataset_phys(ds)->ds_next_snap_obj, FTAG, &ds_next));
ASSERT3U(dsl_dataset_phys(ds_next)->ds_prev_snap_obj, ==, obj);
@ -388,6 +389,7 @@ dsl_destroy_snapshot_sync_impl(dsl_dataset_t *ds, boolean_t defer, dmu_tx_t *tx)
ASSERT3P(ds_next->ds_prev, ==, NULL);
/* Collapse range in this head. */
dsl_dataset_t *hds;
VERIFY0(dsl_dataset_hold_obj(dp,
dsl_dir_phys(ds->ds_dir)->dd_head_dataset_obj, FTAG, &hds));
dsl_deadlist_remove_key(&hds->ds_deadlist,
@ -435,6 +437,7 @@ dsl_destroy_snapshot_sync_impl(dsl_dataset_t *ds, boolean_t defer, dmu_tx_t *tx)
}
/* remove from snapshot namespace */
dsl_dataset_t *ds_head;
ASSERT(dsl_dataset_phys(ds)->ds_snapnames_zapobj == 0);
VERIFY0(dsl_dataset_hold_obj(dp,
dsl_dir_phys(ds->ds_dir)->dd_head_dataset_obj, FTAG, &ds_head));
@ -726,11 +729,9 @@ void
dsl_destroy_head_sync_impl(dsl_dataset_t *ds, dmu_tx_t *tx)
{
dsl_pool_t *dp = dmu_tx_pool(tx);
spa_feature_t f;
objset_t *mos = dp->dp_meta_objset;
uint64_t obj, ddobj, prevobj = 0;
boolean_t rmorigin;
objset_t *os;
ASSERT3U(dsl_dataset_phys(ds)->ds_num_children, <=, 1);
ASSERT(ds->ds_prev == NULL ||
@ -758,7 +759,7 @@ dsl_destroy_head_sync_impl(dsl_dataset_t *ds, dmu_tx_t *tx)
obj = ds->ds_object;
for (f = 0; f < SPA_FEATURES; f++) {
for (spa_feature_t f = 0; f < SPA_FEATURES; f++) {
if (ds->ds_feature_inuse[f]) {
dsl_dataset_deactivate_feature(obj, f, tx);
ds->ds_feature_inuse[f] = B_FALSE;
@ -794,6 +795,7 @@ dsl_destroy_head_sync_impl(dsl_dataset_t *ds, dmu_tx_t *tx)
dmu_buf_will_dirty(ds->ds_dbuf, tx);
dsl_dataset_phys(ds)->ds_deadlist_obj = 0;
objset_t *os;
VERIFY0(dmu_objset_from_ds(ds, &os));
if (!spa_feature_is_enabled(dp->dp_spa, SPA_FEATURE_ASYNC_DESTROY)) {
@ -959,11 +961,10 @@ dsl_destroy_head(const char *name)
error = dmu_objset_own(name, DMU_OST_ANY, B_FALSE, B_FALSE,
FTAG, &os);
if (error == 0) {
uint64_t obj;
uint64_t prev_snap_txg =
dsl_dataset_phys(dmu_objset_ds(os))->
ds_prev_snap_txg;
for (obj = 0; error == 0;
for (uint64_t obj = 0; error == 0;
error = dmu_object_next(os, &obj, FALSE,
prev_snap_txg))
(void) dmu_free_long_object(os, obj);

24
module/zfs/dsl_scan.c
View File

@ -537,10 +537,6 @@ extern int zfs_vdev_async_write_active_min_dirty_percent;
static boolean_t
dsl_scan_check_suspend(dsl_scan_t *scn, const zbookmark_phys_t *zb)
{
uint64_t elapsed_nanosecs;
int mintime;
int dirty_pct;
/* we never skip user/group accounting objects */
if (zb && (int64_t)zb->zb_object < 0)
return (B_FALSE);
@ -569,10 +565,10 @@ dsl_scan_check_suspend(dsl_scan_t *scn, const zbookmark_phys_t *zb)
* - the spa is shutting down because this pool is being exported
* or the machine is rebooting.
*/
mintime = (scn->scn_phys.scn_func == POOL_SCAN_RESILVER) ?
int mintime = (scn->scn_phys.scn_func == POOL_SCAN_RESILVER) ?
zfs_resilver_min_time_ms : zfs_scan_min_time_ms;
elapsed_nanosecs = gethrtime() - scn->scn_sync_start_time;
dirty_pct = scn->scn_dp->dp_dirty_total * 100 / zfs_dirty_data_max;
uint64_t elapsed_nanosecs = gethrtime() - scn->scn_sync_start_time;
int dirty_pct = scn->scn_dp->dp_dirty_total * 100 / zfs_dirty_data_max;
if (elapsed_nanosecs / NANOSEC >= zfs_txg_timeout ||
(NSEC2MSEC(elapsed_nanosecs) > mintime &&
(txg_sync_waiting(scn->scn_dp) ||
@ -1183,7 +1179,6 @@ dsl_scan_visitds(dsl_scan_t *scn, uint64_t dsobj, dmu_tx_t *tx)
dsl_pool_t *dp = scn->scn_dp;
dsl_dataset_t *ds;
objset_t *os;
char *dsname;
VERIFY3U(0, ==, dsl_dataset_hold_obj(dp, dsobj, FTAG, &ds));
@ -1248,7 +1243,7 @@ dsl_scan_visitds(dsl_scan_t *scn, uint64_t dsobj, dmu_tx_t *tx)
dsl_scan_visit_rootbp(scn, ds, &dsl_dataset_phys(ds)->ds_bp, tx);
rrw_exit(&ds->ds_bp_rwlock, FTAG);
dsname = kmem_alloc(ZFS_MAX_DATASET_NAME_LEN, KM_SLEEP);
char *dsname = kmem_alloc(ZFS_MAX_DATASET_NAME_LEN, KM_SLEEP);
dsl_dataset_name(ds, dsname);
zfs_dbgmsg("scanned dataset %llu (%s) with min=%llu max=%llu; "
"suspending=%u",
@ -1446,12 +1441,11 @@ dsl_scan_ddt_entry(dsl_scan_t *scn, enum zio_checksum checksum,
ddt_phys_t *ddp = dde->dde_phys;
blkptr_t bp;
zbookmark_phys_t zb = { 0 };
int p;
if (scn->scn_phys.scn_state != DSS_SCANNING)
return;
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
if (ddp->ddp_phys_birth == 0 ||
ddp->ddp_phys_birth > scn->scn_phys.scn_max_txg)
continue;
@ -1890,13 +1884,12 @@ count_block(zfs_all_blkstats_t *zab, const blkptr_t *bp)
for (i = 0; i < 4; i++) {
int l = (i < 2) ? BP_GET_LEVEL(bp) : DN_MAX_LEVELS;
int t = (i & 1) ? BP_GET_TYPE(bp) : DMU_OT_TOTAL;
int equal;
zfs_blkstat_t *zb;
if (t & DMU_OT_NEWTYPE)
t = DMU_OT_OTHER;
zfs_blkstat_t *zb = &zab->zab_type[l][t];
int equal;
zb = &zab->zab_type[l][t];
zb->zb_count++;
zb->zb_asize += BP_GET_ASIZE(bp);
zb->zb_lsize += BP_GET_LSIZE(bp);
@ -1993,7 +1986,6 @@ dsl_scan_scrub_cb(dsl_pool_t *dp,
boolean_t needs_io = B_FALSE;
int zio_flags = ZIO_FLAG_SCAN_THREAD | ZIO_FLAG_RAW | ZIO_FLAG_CANFAIL;
int scan_delay = 0;
int d;
if (phys_birth <= scn->scn_phys.scn_min_txg ||
phys_birth >= scn->scn_phys.scn_max_txg)
@ -2020,7 +2012,7 @@ dsl_scan_scrub_cb(dsl_pool_t *dp,
if (zb->zb_level == ZB_ZIL_LEVEL)
zio_flags |= ZIO_FLAG_SPECULATIVE;
for (d = 0; d < BP_GET_NDVAS(bp); d++) {
for (int d = 0; d < BP_GET_NDVAS(bp); d++) {
const dva_t *dva = &bp->blk_dva[d];
/*

18
module/zfs/dsl_userhold.c
View File

@ -83,7 +83,6 @@ dsl_dataset_user_hold_check(void *arg, dmu_tx_t *tx)
{
dsl_dataset_user_hold_arg_t *dduha = arg;
dsl_pool_t *dp = dmu_tx_pool(tx);
nvpair_t *pair;
if (spa_version(dp->dp_spa) < SPA_VERSION_USERREFS)
return (SET_ERROR(ENOTSUP));
@ -91,7 +90,7 @@ dsl_dataset_user_hold_check(void *arg, dmu_tx_t *tx)
if (!dmu_tx_is_syncing(tx))
return (0);
for (pair = nvlist_next_nvpair(dduha->dduha_holds, NULL);
for (nvpair_t *pair = nvlist_next_nvpair(dduha->dduha_holds, NULL);
pair != NULL; pair = nvlist_next_nvpair(dduha->dduha_holds, pair)) {
dsl_dataset_t *ds;
int error = 0;
@ -255,14 +254,13 @@ dsl_dataset_user_hold_sync(void *arg, dmu_tx_t *tx)
dsl_dataset_user_hold_arg_t *dduha = arg;
dsl_pool_t *dp = dmu_tx_pool(tx);
nvlist_t *tmpholds;
nvpair_t *pair;
uint64_t now = gethrestime_sec();
if (dduha->dduha_minor != 0)
tmpholds = fnvlist_alloc();
else
tmpholds = NULL;
for (pair = nvlist_next_nvpair(dduha->dduha_chkholds, NULL);
for (nvpair_t *pair = nvlist_next_nvpair(dduha->dduha_chkholds, NULL);
pair != NULL;
pair = nvlist_next_nvpair(dduha->dduha_chkholds, pair)) {
dsl_dataset_t *ds;
@ -351,7 +349,6 @@ dsl_dataset_user_release_check_one(dsl_dataset_user_release_arg_t *ddura,
{
uint64_t zapobj;
nvlist_t *holds_found;
nvpair_t *pair;
objset_t *mos;
int numholds;
@ -366,7 +363,7 @@ dsl_dataset_user_release_check_one(dsl_dataset_user_release_arg_t *ddura,
zapobj = dsl_dataset_phys(ds)->ds_userrefs_obj;
VERIFY0(nvlist_alloc(&holds_found, NV_UNIQUE_NAME, KM_SLEEP));
for (pair = nvlist_next_nvpair(holds, NULL); pair != NULL;
for (nvpair_t *pair = nvlist_next_nvpair(holds, NULL); pair != NULL;
pair = nvlist_next_nvpair(holds, pair)) {
uint64_t tmp;
int error;
@ -427,7 +424,6 @@ dsl_dataset_user_release_check(void *arg, dmu_tx_t *tx)
dsl_dataset_user_release_arg_t *ddura;
dsl_holdfunc_t *holdfunc;
dsl_pool_t *dp;
nvpair_t *pair;
if (!dmu_tx_is_syncing(tx))
return (0);
@ -439,7 +435,7 @@ dsl_dataset_user_release_check(void *arg, dmu_tx_t *tx)
ddura = arg;
holdfunc = ddura->ddura_holdfunc;
for (pair = nvlist_next_nvpair(ddura->ddura_holds, NULL);
for (nvpair_t *pair = nvlist_next_nvpair(ddura->ddura_holds, NULL);
pair != NULL; pair = nvlist_next_nvpair(ddura->ddura_holds, pair)) {
int error;
dsl_dataset_t *ds;
@ -479,9 +475,8 @@ dsl_dataset_user_release_sync_one(dsl_dataset_t *ds, nvlist_t *holds,
{
dsl_pool_t *dp = ds->ds_dir->dd_pool;
objset_t *mos = dp->dp_meta_objset;
nvpair_t *pair;
for (pair = nvlist_next_nvpair(holds, NULL); pair != NULL;
for (nvpair_t *pair = nvlist_next_nvpair(holds, NULL); pair != NULL;
pair = nvlist_next_nvpair(holds, pair)) {
int error;
const char *holdname = nvpair_name(pair);
@ -505,11 +500,10 @@ dsl_dataset_user_release_sync(void *arg, dmu_tx_t *tx)
dsl_dataset_user_release_arg_t *ddura = arg;
dsl_holdfunc_t *holdfunc = ddura->ddura_holdfunc;
dsl_pool_t *dp = dmu_tx_pool(tx);
nvpair_t *pair;
ASSERT(RRW_WRITE_HELD(&dp->dp_config_rwlock));
for (pair = nvlist_next_nvpair(ddura->ddura_chkholds, NULL);
for (nvpair_t *pair = nvlist_next_nvpair(ddura->ddura_chkholds, NULL);
pair != NULL; pair = nvlist_next_nvpair(ddura->ddura_chkholds,
pair)) {
dsl_dataset_t *ds;

125
module/zfs/metaslab.c
View File

@ -307,7 +307,7 @@ metaslab_class_histogram_verify(metaslab_class_t *mc)
{
vdev_t *rvd = mc->mc_spa->spa_root_vdev;
uint64_t *mc_hist;
int i, c;
int i;
if ((zfs_flags & ZFS_DEBUG_HISTOGRAM_VERIFY) == 0)
return;
@ -315,7 +315,7 @@ metaslab_class_histogram_verify(metaslab_class_t *mc)
mc_hist = kmem_zalloc(sizeof (uint64_t) * RANGE_TREE_HISTOGRAM_SIZE,
KM_SLEEP);
for (c = 0; c < rvd->vdev_children; c++) {
for (int c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
metaslab_group_t *mg = tvd->vdev_mg;
@ -350,11 +350,10 @@ metaslab_class_fragmentation(metaslab_class_t *mc)
{
vdev_t *rvd = mc->mc_spa->spa_root_vdev;
uint64_t fragmentation = 0;
int c;
spa_config_enter(mc->mc_spa, SCL_VDEV, FTAG, RW_READER);
for (c = 0; c < rvd->vdev_children; c++) {
for (int c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
metaslab_group_t *mg = tvd->vdev_mg;
@ -401,10 +400,9 @@ metaslab_class_expandable_space(metaslab_class_t *mc)
{
vdev_t *rvd = mc->mc_spa->spa_root_vdev;
uint64_t space = 0;
int c;
spa_config_enter(mc->mc_spa, SCL_VDEV, FTAG, RW_READER);
for (c = 0; c < rvd->vdev_children; c++) {
for (int c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
metaslab_group_t *mg = tvd->vdev_mg;
@ -449,7 +447,6 @@ metaslab_verify_space(metaslab_t *msp, uint64_t txg)
spa_t *spa = msp->ms_group->mg_vd->vdev_spa;
uint64_t allocated = 0;
uint64_t sm_free_space, msp_free_space;
int t;
ASSERT(MUTEX_HELD(&msp->ms_lock));
@ -474,7 +471,7 @@ metaslab_verify_space(metaslab_t *msp, uint64_t txg)
* Account for future allocations since we would have already
* deducted that space from the ms_freetree.
*/
for (t = 0; t < TXG_CONCURRENT_STATES; t++) {
for (int t = 0; t < TXG_CONCURRENT_STATES; t++) {
allocated +=
range_tree_space(msp->ms_alloctree[(txg + t) & TXG_MASK]);
}
@ -699,7 +696,7 @@ metaslab_group_histogram_verify(metaslab_group_t *mg)
uint64_t *mg_hist;
vdev_t *vd = mg->mg_vd;
uint64_t ashift = vd->vdev_ashift;
int i, m;
int i;
if ((zfs_flags & ZFS_DEBUG_HISTOGRAM_VERIFY) == 0)
return;
@ -710,7 +707,7 @@ metaslab_group_histogram_verify(metaslab_group_t *mg)
ASSERT3U(RANGE_TREE_HISTOGRAM_SIZE, >=,
SPACE_MAP_HISTOGRAM_SIZE + ashift);
for (m = 0; m < vd->vdev_ms_count; m++) {
for (int m = 0; m < vd->vdev_ms_count; m++) {
metaslab_t *msp = vd->vdev_ms[m];
if (msp->ms_sm == NULL)
@ -732,14 +729,13 @@ metaslab_group_histogram_add(metaslab_group_t *mg, metaslab_t *msp)
{
metaslab_class_t *mc = mg->mg_class;
uint64_t ashift = mg->mg_vd->vdev_ashift;
int i;
ASSERT(MUTEX_HELD(&msp->ms_lock));
if (msp->ms_sm == NULL)
return;
mutex_enter(&mg->mg_lock);
for (i = 0; i < SPACE_MAP_HISTOGRAM_SIZE; i++) {
for (int i = 0; i < SPACE_MAP_HISTOGRAM_SIZE; i++) {
mg->mg_histogram[i + ashift] +=
msp->ms_sm->sm_phys->smp_histogram[i];
mc->mc_histogram[i + ashift] +=
@ -753,14 +749,13 @@ metaslab_group_histogram_remove(metaslab_group_t *mg, metaslab_t *msp)
{
metaslab_class_t *mc = mg->mg_class;
uint64_t ashift = mg->mg_vd->vdev_ashift;
int i;
ASSERT(MUTEX_HELD(&msp->ms_lock));
if (msp->ms_sm == NULL)
return;
mutex_enter(&mg->mg_lock);
for (i = 0; i < SPACE_MAP_HISTOGRAM_SIZE; i++) {
for (int i = 0; i < SPACE_MAP_HISTOGRAM_SIZE; i++) {
ASSERT3U(mg->mg_histogram[i + ashift], >=,
msp->ms_sm->sm_phys->smp_histogram[i]);
ASSERT3U(mc->mc_histogram[i + ashift], >=,
@ -834,9 +829,8 @@ metaslab_group_fragmentation(metaslab_group_t *mg)
vdev_t *vd = mg->mg_vd;
uint64_t fragmentation = 0;
uint64_t valid_ms = 0;
int m;
for (m = 0; m < vd->vdev_ms_count; m++) {
for (int m = 0; m < vd->vdev_ms_count; m++) {
metaslab_t *msp = vd->vdev_ms[m];
if (msp->ms_fragmentation == ZFS_FRAG_INVALID)
@ -1347,7 +1341,6 @@ int
metaslab_load(metaslab_t *msp)
{
int error = 0;
int t;
boolean_t success = B_FALSE;
ASSERT(MUTEX_HELD(&msp->ms_lock));
@ -1373,7 +1366,7 @@ metaslab_load(metaslab_t *msp)
ASSERT3P(msp->ms_group, !=, NULL);
msp->ms_loaded = B_TRUE;
for (t = 0; t < TXG_DEFER_SIZE; t++) {
for (int t = 0; t < TXG_DEFER_SIZE; t++) {
range_tree_walk(msp->ms_defertree[t],
range_tree_remove, msp->ms_tree);
}
@ -1473,8 +1466,6 @@ metaslab_init(metaslab_group_t *mg, uint64_t id, uint64_t object, uint64_t txg,
void
metaslab_fini(metaslab_t *msp)
{
int t;
metaslab_group_t *mg = msp->ms_group;
metaslab_group_remove(mg, msp);
@ -1490,11 +1481,11 @@ metaslab_fini(metaslab_t *msp)
range_tree_destroy(msp->ms_freeingtree);
range_tree_destroy(msp->ms_freedtree);
for (t = 0; t < TXG_SIZE; t++) {
for (int t = 0; t < TXG_SIZE; t++) {
range_tree_destroy(msp->ms_alloctree[t]);
}
for (t = 0; t < TXG_DEFER_SIZE; t++) {
for (int t = 0; t < TXG_DEFER_SIZE; t++) {
range_tree_destroy(msp->ms_defertree[t]);
}
@ -1561,7 +1552,6 @@ metaslab_set_fragmentation(metaslab_t *msp)
uint64_t total = 0;
boolean_t feature_enabled = spa_feature_is_enabled(spa,
SPA_FEATURE_SPACEMAP_HISTOGRAM);
int i;
if (!feature_enabled) {
msp->ms_fragmentation = ZFS_FRAG_INVALID;
@ -1603,7 +1593,7 @@ metaslab_set_fragmentation(metaslab_t *msp)
return;
}
for (i = 0; i < SPACE_MAP_HISTOGRAM_SIZE; i++) {
for (int i = 0; i < SPACE_MAP_HISTOGRAM_SIZE; i++) {
uint64_t space = 0;
uint8_t shift = msp->ms_sm->sm_shift;
@ -1710,11 +1700,11 @@ metaslab_weight_from_range_tree(metaslab_t *msp)
{
uint64_t weight = 0;
uint32_t segments = 0;
int i;
ASSERT(msp->ms_loaded);
for (i = RANGE_TREE_HISTOGRAM_SIZE - 1; i >= SPA_MINBLOCKSHIFT; i--) {
for (int i = RANGE_TREE_HISTOGRAM_SIZE - 1; i >= SPA_MINBLOCKSHIFT;
i--) {
uint8_t shift = msp->ms_group->mg_vd->vdev_ashift;
int max_idx = SPACE_MAP_HISTOGRAM_SIZE + shift - 1;
@ -1750,9 +1740,8 @@ static uint64_t
metaslab_weight_from_spacemap(metaslab_t *msp)
{
uint64_t weight = 0;
int i;
for (i = SPACE_MAP_HISTOGRAM_SIZE - 1; i >= 0; i--) {
for (int i = SPACE_MAP_HISTOGRAM_SIZE - 1; i >= 0; i--) {
if (msp->ms_sm->sm_phys->smp_histogram[i] != 0) {
WEIGHT_SET_COUNT(weight,
msp->ms_sm->sm_phys->smp_histogram[i]);
@ -1962,8 +1951,6 @@ void
metaslab_segment_may_passivate(metaslab_t *msp)
{
spa_t *spa = msp->ms_group->mg_vd->vdev_spa;
uint64_t weight;
int activation_idx, current_idx;
if (WEIGHT_IS_SPACEBASED(msp->ms_weight) || spa_sync_pass(spa) > 1)
return;
@ -1973,9 +1960,9 @@ metaslab_segment_may_passivate(metaslab_t *msp)
* information that is accessible to us is the in-core range tree
* histogram; calculate the new weight based on that information.
*/
weight = metaslab_weight_from_range_tree(msp);
activation_idx = WEIGHT_GET_INDEX(msp->ms_activation_weight);
current_idx = WEIGHT_GET_INDEX(weight);
uint64_t weight = metaslab_weight_from_range_tree(msp);
int activation_idx = WEIGHT_GET_INDEX(msp->ms_activation_weight);
int current_idx = WEIGHT_GET_INDEX(weight);
if (current_idx <= activation_idx - zfs_metaslab_switch_threshold)
metaslab_passivate(msp, weight);
@ -2118,7 +2105,6 @@ metaslab_condense(metaslab_t *msp, uint64_t txg, dmu_tx_t *tx)
spa_t *spa = msp->ms_group->mg_vd->vdev_spa;
range_tree_t *condense_tree;
space_map_t *sm = msp->ms_sm;
int t;
ASSERT(MUTEX_HELD(&msp->ms_lock));
ASSERT3U(spa_sync_pass(spa), ==, 1);
@ -2151,12 +2137,12 @@ metaslab_condense(metaslab_t *msp, uint64_t txg, dmu_tx_t *tx)
*/
range_tree_walk(msp->ms_freeingtree, range_tree_remove, condense_tree);
for (t = 0; t < TXG_DEFER_SIZE; t++) {
for (int t = 0; t < TXG_DEFER_SIZE; t++) {
range_tree_walk(msp->ms_defertree[t],
range_tree_remove, condense_tree);
}
for (t = 1; t < TXG_CONCURRENT_STATES; t++) {
for (int t = 1; t < TXG_CONCURRENT_STATES; t++) {
range_tree_walk(msp->ms_alloctree[(txg + t) & TXG_MASK],
range_tree_remove, condense_tree);
}
@ -2280,8 +2266,6 @@ metaslab_sync(metaslab_t *msp, uint64_t txg)
}
if (msp->ms_loaded) {
int t;
/*
* When the space map is loaded, we have an accruate
* histogram in the range tree. This gives us an opportunity
@ -2307,7 +2291,7 @@ metaslab_sync(metaslab_t *msp, uint64_t txg)
* that is completely empty unless the metaslab is fully
* allocated.
*/
for (t = 0; t < TXG_DEFER_SIZE; t++) {
for (int t = 0; t < TXG_DEFER_SIZE; t++) {
space_map_histogram_add(msp->ms_sm,
msp->ms_defertree[t], tx);
}
@ -2366,9 +2350,7 @@ metaslab_sync_done(metaslab_t *msp, uint64_t txg)
spa_t *spa = vd->vdev_spa;
range_tree_t **defer_tree;
int64_t alloc_delta, defer_delta;
uint64_t free_space;
boolean_t defer_allowed = B_TRUE;
int t;
ASSERT(!vd->vdev_ishole);
@ -2379,7 +2361,7 @@ metaslab_sync_done(metaslab_t *msp, uint64_t txg)
* range trees and add its capacity to the vdev.
*/
if (msp->ms_freedtree == NULL) {
for (t = 0; t < TXG_SIZE; t++) {
for (int t = 0; t < TXG_SIZE; t++) {
ASSERT(msp->ms_alloctree[t] == NULL);
msp->ms_alloctree[t] = range_tree_create(NULL, msp,
@ -2394,7 +2376,7 @@ metaslab_sync_done(metaslab_t *msp, uint64_t txg)
msp->ms_freedtree = range_tree_create(NULL, msp,
&msp->ms_lock);
for (t = 0; t < TXG_DEFER_SIZE; t++) {
for (int t = 0; t < TXG_DEFER_SIZE; t++) {
ASSERT(msp->ms_defertree[t] == NULL);
msp->ms_defertree[t] = range_tree_create(NULL, msp,
@ -2406,7 +2388,7 @@ metaslab_sync_done(metaslab_t *msp, uint64_t txg)
defer_tree = &msp->ms_defertree[txg % TXG_DEFER_SIZE];
free_space = metaslab_class_get_space(spa_normal_class(spa)) -
uint64_t free_space = metaslab_class_get_space(spa_normal_class(spa)) -
metaslab_class_get_alloc(spa_normal_class(spa));
if (free_space <= spa_get_slop_space(spa)) {
defer_allowed = B_FALSE;
@ -2470,7 +2452,7 @@ metaslab_sync_done(metaslab_t *msp, uint64_t txg)
if (msp->ms_loaded &&
msp->ms_selected_txg + metaslab_unload_delay < txg) {
for (t = 1; t < TXG_CONCURRENT_STATES; t++) {
for (int t = 1; t < TXG_CONCURRENT_STATES; t++) {
VERIFY0(range_tree_space(
msp->ms_alloctree[(txg + t) & TXG_MASK]));
}
@ -2654,13 +2636,11 @@ metaslab_trace_fini(zio_alloc_list_t *zal)
static void
metaslab_group_alloc_increment(spa_t *spa, uint64_t vdev, void *tag, int flags)
{
metaslab_group_t *mg;
if (!(flags & METASLAB_ASYNC_ALLOC) ||
flags & METASLAB_DONT_THROTTLE)
return;
mg = vdev_lookup_top(spa, vdev)->vdev_mg;
metaslab_group_t *mg = vdev_lookup_top(spa, vdev)->vdev_mg;
if (!mg->mg_class->mc_alloc_throttle_enabled)
return;
@ -2670,13 +2650,11 @@ metaslab_group_alloc_increment(spa_t *spa, uint64_t vdev, void *tag, int flags)
void
metaslab_group_alloc_decrement(spa_t *spa, uint64_t vdev, void *tag, int flags)
{
metaslab_group_t *mg;
if (!(flags & METASLAB_ASYNC_ALLOC) ||
flags & METASLAB_DONT_THROTTLE)
return;
mg = vdev_lookup_top(spa, vdev)->vdev_mg;
metaslab_group_t *mg = vdev_lookup_top(spa, vdev)->vdev_mg;
if (!mg->mg_class->mc_alloc_throttle_enabled)
return;
@ -2689,9 +2667,8 @@ metaslab_group_alloc_verify(spa_t *spa, const blkptr_t *bp, void *tag)
#ifdef ZFS_DEBUG
const dva_t *dva = bp->blk_dva;
int ndvas = BP_GET_NDVAS(bp);
int d;
for (d = 0; d < ndvas; d++) {
for (int d = 0; d < ndvas; d++) {
uint64_t vdev = DVA_GET_VDEV(&dva[d]);
metaslab_group_t *mg = vdev_lookup_top(spa, vdev)->vdev_mg;
VERIFY(refcount_not_held(&mg->mg_alloc_queue_depth, tag));
@ -2741,7 +2718,6 @@ metaslab_group_alloc_normal(metaslab_group_t *mg, zio_alloc_list_t *zal,
uint64_t asize, uint64_t txg, uint64_t min_distance, dva_t *dva, int d)
{
metaslab_t *msp = NULL;
metaslab_t *search;
uint64_t offset = -1ULL;
uint64_t activation_weight;
uint64_t target_distance;
@ -2755,7 +2731,7 @@ metaslab_group_alloc_normal(metaslab_group_t *mg, zio_alloc_list_t *zal,
}
}
search = kmem_alloc(sizeof (*search), KM_SLEEP);
metaslab_t *search = kmem_alloc(sizeof (*search), KM_SLEEP);
search->ms_weight = UINT64_MAX;
search->ms_start = 0;
for (;;) {
@ -3062,8 +3038,6 @@ metaslab_alloc_dva(spa_t *spa, metaslab_class_t *mc, uint64_t psize,
top:
do {
boolean_t allocatable;
uint64_t offset;
uint64_t distance, asize;
ASSERT(mg->mg_activation_count == 1);
vd = mg->mg_vd;
@ -3120,7 +3094,7 @@ top:
* in this BP. If we are trying hard, allow any offset
* to be used (distance=0).
*/
distance = 0;
uint64_t distance = 0;
if (!try_hard) {
distance = vd->vdev_asize >>
ditto_same_vdev_distance_shift;
@ -3128,11 +3102,11 @@ top:
distance = 0;
}
asize = vdev_psize_to_asize(vd, psize);
uint64_t asize = vdev_psize_to_asize(vd, psize);
ASSERT(P2PHASE(asize, 1ULL << vd->vdev_ashift) == 0);
offset = metaslab_group_alloc(mg, zal, asize, txg, distance,
dva, d);
uint64_t offset = metaslab_group_alloc(mg, zal, asize, txg,
distance, dva, d);
if (offset != -1ULL) {
/*
@ -3343,24 +3317,21 @@ metaslab_class_throttle_reserve(metaslab_class_t *mc, int slots, zio_t *zio,
int flags)
{
uint64_t available_slots = 0;
uint64_t reserved_slots;
boolean_t slot_reserved = B_FALSE;
ASSERT(mc->mc_alloc_throttle_enabled);
mutex_enter(&mc->mc_lock);
reserved_slots = refcount_count(&mc->mc_alloc_slots);
uint64_t reserved_slots = refcount_count(&mc->mc_alloc_slots);
if (reserved_slots < mc->mc_alloc_max_slots)
available_slots = mc->mc_alloc_max_slots - reserved_slots;
if (slots <= available_slots || GANG_ALLOCATION(flags)) {
int d;
/*
* We reserve the slots individually so that we can unreserve
* them individually when an I/O completes.
*/
for (d = 0; d < slots; d++) {
for (int d = 0; d < slots; d++) {
reserved_slots = refcount_add(&mc->mc_alloc_slots, zio);
}
zio->io_flags |= ZIO_FLAG_IO_ALLOCATING;
@ -3374,11 +3345,9 @@ metaslab_class_throttle_reserve(metaslab_class_t *mc, int slots, zio_t *zio,
void
metaslab_class_throttle_unreserve(metaslab_class_t *mc, int slots, zio_t *zio)
{
int d;
ASSERT(mc->mc_alloc_throttle_enabled);
mutex_enter(&mc->mc_lock);
for (d = 0; d < slots; d++) {
for (int d = 0; d < slots; d++) {
(void) refcount_remove(&mc->mc_alloc_slots, zio);
}
mutex_exit(&mc->mc_lock);
@ -3391,7 +3360,7 @@ metaslab_alloc(spa_t *spa, metaslab_class_t *mc, uint64_t psize, blkptr_t *bp,
{
dva_t *dva = bp->blk_dva;
dva_t *hintdva = hintbp->blk_dva;
int d, error = 0;
int error = 0;
ASSERT(bp->blk_birth == 0);
ASSERT(BP_PHYSICAL_BIRTH(bp) == 0);
@ -3408,7 +3377,7 @@ metaslab_alloc(spa_t *spa, metaslab_class_t *mc, uint64_t psize, blkptr_t *bp,
ASSERT(hintbp == NULL || ndvas <= BP_GET_NDVAS(hintbp));
ASSERT3P(zal, !=, NULL);
for (d = 0; d < ndvas; d++) {
for (int d = 0; d < ndvas; d++) {
error = metaslab_alloc_dva(spa, mc, psize, dva, d, hintdva,
txg, flags, zal);
if (error != 0) {
@ -3444,14 +3413,14 @@ void
metaslab_free(spa_t *spa, const blkptr_t *bp, uint64_t txg, boolean_t now)
{
const dva_t *dva = bp->blk_dva;
int d, ndvas = BP_GET_NDVAS(bp);
int ndvas = BP_GET_NDVAS(bp);
ASSERT(!BP_IS_HOLE(bp));
ASSERT(!now || bp->blk_birth >= spa_syncing_txg(spa));
spa_config_enter(spa, SCL_FREE, FTAG, RW_READER);
for (d = 0; d < ndvas; d++)
for (int d = 0; d < ndvas; d++)
metaslab_free_dva(spa, &dva[d], txg, now);
spa_config_exit(spa, SCL_FREE, FTAG);
@ -3462,7 +3431,7 @@ metaslab_claim(spa_t *spa, const blkptr_t *bp, uint64_t txg)
{
const dva_t *dva = bp->blk_dva;
int ndvas = BP_GET_NDVAS(bp);
int d, error = 0;
int error = 0;
ASSERT(!BP_IS_HOLE(bp));
@ -3477,7 +3446,7 @@ metaslab_claim(spa_t *spa, const blkptr_t *bp, uint64_t txg)
spa_config_enter(spa, SCL_ALLOC, FTAG, RW_READER);
for (d = 0; d < ndvas; d++)
for (int d = 0; d < ndvas; d++)
if ((error = metaslab_claim_dva(spa, &dva[d], txg)) != 0)
break;
@ -3540,13 +3509,11 @@ metaslab_fastwrite_unmark(spa_t *spa, const blkptr_t *bp)
void
metaslab_check_free(spa_t *spa, const blkptr_t *bp)
{
int i, j;
if ((zfs_flags & ZFS_DEBUG_ZIO_FREE) == 0)
return;
spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
for (i = 0; i < BP_GET_NDVAS(bp); i++) {
for (int i = 0; i < BP_GET_NDVAS(bp); i++) {
uint64_t vdev = DVA_GET_VDEV(&bp->blk_dva[i]);
vdev_t *vd = vdev_lookup_top(spa, vdev);
uint64_t offset = DVA_GET_OFFSET(&bp->blk_dva[i]);
@ -3558,7 +3525,7 @@ metaslab_check_free(spa_t *spa, const blkptr_t *bp)
range_tree_verify(msp->ms_freeingtree, offset, size);
range_tree_verify(msp->ms_freedtree, offset, size);
for (j = 0; j < TXG_DEFER_SIZE; j++)
for (int j = 0; j < TXG_DEFER_SIZE; j++)
range_tree_verify(msp->ms_defertree[j], offset, size);
}
spa_config_exit(spa, SCL_VDEV, FTAG);

8
module/zfs/multilist.c
View File

@ -121,11 +121,9 @@ multilist_create(size_t size, size_t offset,
void
multilist_destroy(multilist_t *ml)
{
int i;
ASSERT(multilist_is_empty(ml));
for (i = 0; i < ml->ml_num_sublists; i++) {
for (int i = 0; i < ml->ml_num_sublists; i++) {
multilist_sublist_t *mls = &ml->ml_sublists[i];
ASSERT(list_is_empty(&mls->mls_list));
@ -243,9 +241,7 @@ multilist_remove(multilist_t *ml, void *obj)
int
multilist_is_empty(multilist_t *ml)
{
int i;
for (i = 0; i < ml->ml_num_sublists; i++) {
for (int i = 0; i < ml->ml_num_sublists; i++) {
multilist_sublist_t *mls = &ml->ml_sublists[i];
/* See comment in multilist_insert(). */
boolean_t need_lock = !MUTEX_HELD(&mls->mls_lock);

147
module/zfs/spa.c
View File

@ -757,10 +757,10 @@ spa_prop_clear_bootfs(spa_t *spa, uint64_t dsobj, dmu_tx_t *tx)
static int
spa_change_guid_check(void *arg, dmu_tx_t *tx)
{
ASSERTV(uint64_t *newguid = arg);
spa_t *spa = dmu_tx_pool(tx)->dp_spa;
vdev_t *rvd = spa->spa_root_vdev;
uint64_t vdev_state;
ASSERTV(uint64_t *newguid = arg);
spa_config_enter(spa, SCL_STATE, FTAG, RW_READER);
vdev_state = rvd->vdev_state;
@ -875,7 +875,7 @@ spa_taskqs_init(spa_t *spa, zio_type_t t, zio_taskq_type_t q)
uint_t count = ztip->zti_count;
spa_taskqs_t *tqs = &spa->spa_zio_taskq[t][q];
char name[32];
uint_t i, flags = 0;
uint_t flags = 0;
boolean_t batch = B_FALSE;
if (mode == ZTI_MODE_NULL) {
@ -909,7 +909,7 @@ spa_taskqs_init(spa_t *spa, zio_type_t t, zio_taskq_type_t q)
break;
}
for (i = 0; i < count; i++) {
for (uint_t i = 0; i < count; i++) {
taskq_t *tq;
if (count > 1) {
@ -950,14 +950,13 @@ static void
spa_taskqs_fini(spa_t *spa, zio_type_t t, zio_taskq_type_t q)
{
spa_taskqs_t *tqs = &spa->spa_zio_taskq[t][q];
uint_t i;
if (tqs->stqs_taskq == NULL) {
ASSERT3U(tqs->stqs_count, ==, 0);
return;
}
for (i = 0; i < tqs->stqs_count; i++) {
for (uint_t i = 0; i < tqs->stqs_count; i++) {
ASSERT3P(tqs->stqs_taskq[i], !=, NULL);
taskq_destroy(tqs->stqs_taskq[i]);
}
@ -1019,10 +1018,8 @@ spa_taskq_dispatch_sync(spa_t *spa, zio_type_t t, zio_taskq_type_t q,
static void
spa_create_zio_taskqs(spa_t *spa)
{
int t, q;
for (t = 0; t < ZIO_TYPES; t++) {
for (q = 0; q < ZIO_TASKQ_TYPES; q++) {
for (int t = 0; t < ZIO_TYPES; t++) {
for (int q = 0; q < ZIO_TASKQ_TYPES; q++) {
spa_taskqs_init(spa, t, q);
}
}
@ -1203,8 +1200,6 @@ spa_activate(spa_t *spa, int mode)
static void
spa_deactivate(spa_t *spa)
{
int t, q;
ASSERT(spa->spa_sync_on == B_FALSE);
ASSERT(spa->spa_dsl_pool == NULL);
ASSERT(spa->spa_root_vdev == NULL);
@ -1231,8 +1226,8 @@ spa_deactivate(spa_t *spa)
taskq_cancel_id(system_delay_taskq, spa->spa_deadman_tqid);
for (t = 0; t < ZIO_TYPES; t++) {
for (q = 0; q < ZIO_TASKQ_TYPES; q++) {
for (int t = 0; t < ZIO_TYPES; t++) {
for (int q = 0; q < ZIO_TASKQ_TYPES; q++) {
spa_taskqs_fini(spa, t, q);
}
}
@ -1294,7 +1289,6 @@ spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent,
nvlist_t **child;
uint_t children;
int error;
int c;
if ((error = vdev_alloc(spa, vdp, nv, parent, id, atype)) != 0)
return (error);
@ -1314,7 +1308,7 @@ spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent,
return (SET_ERROR(EINVAL));
}
for (c = 0; c < children; c++) {
for (int c = 0; c < children; c++) {
vdev_t *vd;
if ((error = spa_config_parse(spa, &vd, child[c], *vdp, c,
atype)) != 0) {
@ -1335,7 +1329,7 @@ spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent,
static void
spa_unload(spa_t *spa)
{
int i, c;
int i;
ASSERT(MUTEX_HELD(&spa_namespace_lock));
@ -1360,7 +1354,7 @@ spa_unload(spa_t *spa)
*/
if (spa->spa_root_vdev != NULL) {
spa_config_enter(spa, SCL_ALL, FTAG, RW_WRITER);
for (c = 0; c < spa->spa_root_vdev->vdev_children; c++)
for (int c = 0; c < spa->spa_root_vdev->vdev_children; c++)
vdev_metaslab_fini(spa->spa_root_vdev->vdev_child[c]);
spa_config_exit(spa, SCL_ALL, FTAG);
}
@ -1372,7 +1366,7 @@ spa_unload(spa_t *spa)
* Wait for any outstanding async I/O to complete.
*/
if (spa->spa_async_zio_root != NULL) {
for (i = 0; i < max_ncpus; i++)
for (int i = 0; i < max_ncpus; i++)
(void) zio_wait(spa->spa_async_zio_root[i]);
kmem_free(spa->spa_async_zio_root, max_ncpus * sizeof (void *));
spa->spa_async_zio_root = NULL;
@ -1721,9 +1715,7 @@ load_nvlist(spa_t *spa, uint64_t obj, nvlist_t **value)
static void
spa_check_removed(vdev_t *vd)
{
int c;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
spa_check_removed(vd->vdev_child[c]);
if (vd->vdev_ops->vdev_op_leaf && vdev_is_dead(vd) &&
@ -1736,14 +1728,12 @@ spa_check_removed(vdev_t *vd)
static void
spa_config_valid_zaps(vdev_t *vd, vdev_t *mvd)
{
uint64_t i;
ASSERT3U(vd->vdev_children, ==, mvd->vdev_children);
vd->vdev_top_zap = mvd->vdev_top_zap;
vd->vdev_leaf_zap = mvd->vdev_leaf_zap;
for (i = 0; i < vd->vdev_children; i++) {
for (uint64_t i = 0; i < vd->vdev_children; i++) {
spa_config_valid_zaps(vd->vdev_child[i], mvd->vdev_child[i]);
}
}
@ -1756,7 +1746,6 @@ spa_config_valid(spa_t *spa, nvlist_t *config)
{
vdev_t *mrvd, *rvd = spa->spa_root_vdev;
nvlist_t *nv;
int c, i;
VERIFY(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE, &nv) == 0);
@ -1778,7 +1767,7 @@ spa_config_valid(spa_t *spa, nvlist_t *config)
KM_SLEEP);
VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) == 0);
for (c = 0; c < rvd->vdev_children; c++) {
for (int c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
vdev_t *mtvd = mrvd->vdev_child[c];
@ -1795,7 +1784,7 @@ spa_config_valid(spa_t *spa, nvlist_t *config)
VERIFY(nvlist_add_nvlist(spa->spa_load_info,
ZPOOL_CONFIG_MISSING_DEVICES, nv) == 0);
for (i = 0; i < idx; i++)
for (int i = 0; i < idx; i++)
nvlist_free(child[i]);
}
nvlist_free(nv);
@ -1807,7 +1796,7 @@ spa_config_valid(spa_t *spa, nvlist_t *config)
* from the MOS config (mrvd). Check each top-level vdev
* with the corresponding MOS config top-level (mtvd).
*/
for (c = 0; c < rvd->vdev_children; c++) {
for (int c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
vdev_t *mtvd = mrvd->vdev_child[c];
@ -1909,14 +1898,13 @@ spa_passivate_log(spa_t *spa)
{
vdev_t *rvd = spa->spa_root_vdev;
boolean_t slog_found = B_FALSE;
int c;
ASSERT(spa_config_held(spa, SCL_ALLOC, RW_WRITER));
if (!spa_has_slogs(spa))
return (B_FALSE);
for (c = 0; c < rvd->vdev_children; c++) {
for (int c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
metaslab_group_t *mg = tvd->vdev_mg;
@ -1933,11 +1921,10 @@ static void
spa_activate_log(spa_t *spa)
{
vdev_t *rvd = spa->spa_root_vdev;
int c;
ASSERT(spa_config_held(spa, SCL_ALLOC, RW_WRITER));
for (c = 0; c < rvd->vdev_children; c++) {
for (int c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
metaslab_group_t *mg = tvd->vdev_mg;
@ -1967,9 +1954,7 @@ spa_offline_log(spa_t *spa)
static void
spa_aux_check_removed(spa_aux_vdev_t *sav)
{
int i;
for (i = 0; i < sav->sav_count; i++)
for (int i = 0; i < sav->sav_count; i++)
spa_check_removed(sav->sav_vdevs[i]);
}
@ -2029,9 +2014,6 @@ static int
spa_load_verify_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
const zbookmark_phys_t *zb, const dnode_phys_t *dnp, void *arg)
{
zio_t *rio;
size_t size;
if (bp == NULL || BP_IS_HOLE(bp) || BP_IS_EMBEDDED(bp))
return (0);
/*
@ -2044,8 +2026,8 @@ spa_load_verify_cb(spa_t *spa, zilog_t *zilog, const blkptr_t *bp,
if (!BP_IS_METADATA(bp) && !spa_load_verify_data)
return (0);
rio = arg;
size = BP_GET_PSIZE(bp);
zio_t *rio = arg;
size_t size = BP_GET_PSIZE(bp);
mutex_enter(&spa->spa_scrub_lock);
while (spa->spa_scrub_inflight >= spa_load_verify_maxinflight)
@ -2324,7 +2306,6 @@ vdev_count_verify_zaps(vdev_t *vd)
{
spa_t *spa = vd->vdev_spa;
uint64_t total = 0;
uint64_t i;
if (vd->vdev_top_zap != 0) {
total++;
@ -2337,7 +2318,7 @@ vdev_count_verify_zaps(vdev_t *vd)
spa->spa_all_vdev_zaps, vd->vdev_leaf_zap));
}
for (i = 0; i < vd->vdev_children; i++) {
for (uint64_t i = 0; i < vd->vdev_children; i++) {
total += vdev_count_verify_zaps(vd->vdev_child[i]);
}
@ -2553,11 +2534,10 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
uberblock_t *ub = &spa->spa_uberblock;
uint64_t children, config_cache_txg = spa->spa_config_txg;
int orig_mode = spa->spa_mode;
int parse, i;
int parse;
uint64_t obj;
boolean_t missing_feat_write = B_FALSE;
boolean_t activity_check = B_FALSE;
nvlist_t *mos_config;
/*
* If this is an untrusted config, access the pool in read-only mode.
@ -2581,7 +2561,7 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
*/
spa->spa_async_zio_root = kmem_alloc(max_ncpus * sizeof (void *),
KM_SLEEP);
for (i = 0; i < max_ncpus; i++) {
for (int i = 0; i < max_ncpus; i++) {
spa->spa_async_zio_root[i] = zio_root(spa, NULL, NULL,
ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE |
ZIO_FLAG_GODFATHER);
@ -2720,13 +2700,12 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
*/
if (ub->ub_version >= SPA_VERSION_FEATURES) {
nvlist_t *unsup_feat;
nvpair_t *nvp;
VERIFY(nvlist_alloc(&unsup_feat, NV_UNIQUE_NAME, KM_SLEEP) ==
0);
for (nvp = nvlist_next_nvpair(spa->spa_label_features, NULL);
nvp != NULL;
for (nvpair_t *nvp = nvlist_next_nvpair(spa->spa_label_features,
NULL); nvp != NULL;
nvp = nvlist_next_nvpair(spa->spa_label_features, nvp)) {
if (!zfeature_is_supported(nvpair_name(nvp))) {
VERIFY(nvlist_add_string(unsup_feat,
@ -2788,7 +2767,6 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
if (spa_version(spa) >= SPA_VERSION_FEATURES) {
boolean_t missing_feat_read = B_FALSE;
nvlist_t *unsup_feat, *enabled_feat;
spa_feature_t i;
if (spa_dir_prop(spa, DMU_POOL_FEATURES_FOR_READ,
&spa->spa_feat_for_read_obj) != 0) {
@ -2864,7 +2842,7 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
* Load refcounts for ZFS features from disk into an in-memory
* cache during SPA initialization.
*/
for (i = 0; i < SPA_FEATURES; i++) {
for (spa_feature_t i = 0; i < SPA_FEATURES; i++) {
uint64_t refcount;
error = feature_get_refcount_from_disk(spa,
@ -2989,6 +2967,7 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
*/
/* The sentinel is only available in the MOS config. */
nvlist_t *mos_config;
if (load_nvlist(spa, spa->spa_config_object, &mos_config) != 0)
return (spa_vdev_err(rvd, VDEV_AUX_CORRUPT_DATA, EIO));
@ -3196,7 +3175,6 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
dmu_tx_t *tx;
int need_update = B_FALSE;
dsl_pool_t *dp = spa_get_dsl(spa);
int c;
ASSERT(state != SPA_LOAD_TRYIMPORT);
@ -3243,7 +3221,7 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
(spa->spa_import_flags & ZFS_IMPORT_VERBATIM))
need_update = B_TRUE;
for (c = 0; c < rvd->vdev_children; c++)
for (int c = 0; c < rvd->vdev_children; c++)
if (rvd->vdev_child[c]->vdev_ms_array == 0)
need_update = B_TRUE;
@ -4018,8 +3996,6 @@ spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props,
boolean_t has_encryption;
spa_feature_t feat;
char *feat_name;
nvpair_t *elem;
int c, i;
char *poolname;
nvlist_t *nvl;
@ -4061,7 +4037,7 @@ spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props,
has_features = B_FALSE;
has_encryption = B_FALSE;
for (elem = nvlist_next_nvpair(props, NULL);
for (nvpair_t *elem = nvlist_next_nvpair(props, NULL);
elem != NULL; elem = nvlist_next_nvpair(props, elem)) {
if (zpool_prop_feature(nvpair_name(elem))) {
has_features = B_TRUE;
@ -4101,7 +4077,7 @@ spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props,
*/
spa->spa_async_zio_root = kmem_alloc(max_ncpus * sizeof (void *),
KM_SLEEP);
for (i = 0; i < max_ncpus; i++) {
for (int i = 0; i < max_ncpus; i++) {
spa->spa_async_zio_root[i] = zio_root(spa, NULL, NULL,
ZIO_FLAG_CANFAIL | ZIO_FLAG_SPECULATIVE |
ZIO_FLAG_GODFATHER);
@ -4124,7 +4100,7 @@ spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props,
(error = vdev_create(rvd, txg, B_FALSE)) == 0 &&
(error = spa_validate_aux(spa, nvroot, txg,
VDEV_ALLOC_ADD)) == 0) {
for (c = 0; c < rvd->vdev_children; c++) {
for (int c = 0; c < rvd->vdev_children; c++) {
vdev_metaslab_set_size(rvd->vdev_child[c]);
vdev_expand(rvd->vdev_child[c], txg);
}
@ -4743,7 +4719,6 @@ spa_vdev_add(spa_t *spa, nvlist_t *nvroot)
vdev_t *vd, *tvd;
nvlist_t **spares, **l2cache;
uint_t nspares, nl2cache;
int c;
ASSERT(spa_writeable(spa));
@ -4780,7 +4755,7 @@ spa_vdev_add(spa_t *spa, nvlist_t *nvroot)
/*
* Transfer each new top-level vdev from vd to rvd.
*/
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
/*
* Set the vdev id to the first hole, if one exists.
@ -4852,12 +4827,12 @@ int
spa_vdev_attach(spa_t *spa, uint64_t guid, nvlist_t *nvroot, int replacing)
{
uint64_t txg, dtl_max_txg;
ASSERTV(vdev_t *rvd = spa->spa_root_vdev);
vdev_t *oldvd, *newvd, *newrootvd, *pvd, *tvd;
vdev_ops_t *pvops;
char *oldvdpath, *newvdpath;
int newvd_isspare;
int error;
ASSERTV(vdev_t *rvd = spa->spa_root_vdev);
ASSERT(spa_writeable(spa));
@ -5062,12 +5037,12 @@ spa_vdev_detach(spa_t *spa, uint64_t guid, uint64_t pguid, int replace_done)
{
uint64_t txg;
int error;
ASSERTV(vdev_t *rvd = spa->spa_root_vdev);
vdev_t *vd, *pvd, *cvd, *tvd;
boolean_t unspare = B_FALSE;
uint64_t unspare_guid = 0;
char *vdpath;
int c, t;
ASSERTV(vdev_t *rvd = spa->spa_root_vdev);
ASSERT(spa_writeable(spa));
txg = spa_vdev_enter(spa);
@ -5134,7 +5109,7 @@ spa_vdev_detach(spa_t *spa, uint64_t guid, uint64_t pguid, int replace_done)
vd->vdev_path != NULL) {
size_t len = strlen(vd->vdev_path);
for (c = 0; c < pvd->vdev_children; c++) {
for (int c = 0; c < pvd->vdev_children; c++) {
cvd = pvd->vdev_child[c];
if (cvd == vd || cvd->vdev_path == NULL)
@ -5241,7 +5216,7 @@ spa_vdev_detach(spa_t *spa, uint64_t guid, uint64_t pguid, int replace_done)
* prevent vd from being accessed after it's freed.
*/
vdpath = spa_strdup(vd->vdev_path ? vd->vdev_path : "none");
for (t = 0; t < TXG_SIZE; t++)
for (int t = 0; t < TXG_SIZE; t++)
(void) txg_list_remove_this(&tvd->vdev_dtl_list, vd, t);
vd->vdev_detached = B_TRUE;
vdev_dirty(tvd, VDD_DTL, vd, txg);
@ -5589,9 +5564,7 @@ out:
static nvlist_t *
spa_nvlist_lookup_by_guid(nvlist_t **nvpp, int count, uint64_t target_guid)
{
int i;
for (i = 0; i < count; i++) {
for (int i = 0; i < count; i++) {
uint64_t guid;
VERIFY(nvlist_lookup_uint64(nvpp[i], ZPOOL_CONFIG_GUID,
@ -5609,12 +5582,11 @@ spa_vdev_remove_aux(nvlist_t *config, char *name, nvlist_t **dev, int count,
nvlist_t *dev_to_remove)
{
nvlist_t **newdev = NULL;
int i, j;
if (count > 1)
newdev = kmem_alloc((count - 1) * sizeof (void *), KM_SLEEP);
for (i = 0, j = 0; i < count; i++) {
for (int i = 0, j = 0; i < count; i++) {
if (dev[i] == dev_to_remove)
continue;
VERIFY(nvlist_dup(dev[i], &newdev[j++], KM_SLEEP) == 0);
@ -5623,7 +5595,7 @@ spa_vdev_remove_aux(nvlist_t *config, char *name, nvlist_t **dev, int count,
VERIFY(nvlist_remove(config, name, DATA_TYPE_NVLIST_ARRAY) == 0);
VERIFY(nvlist_add_nvlist_array(config, name, newdev, count - 1) == 0);
for (i = 0; i < count - 1; i++)
for (int i = 0; i < count - 1; i++)
nvlist_free(newdev[i]);
if (count > 1)
@ -5848,9 +5820,8 @@ static vdev_t *
spa_vdev_resilver_done_hunt(vdev_t *vd)
{
vdev_t *newvd, *oldvd;
int c;
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]);
if (oldvd != NULL)
return (oldvd);
@ -6065,8 +6036,6 @@ spa_scan(spa_t *spa, pool_scan_func_t func)
static void
spa_async_remove(spa_t *spa, vdev_t *vd)
{
int c;
if (vd->vdev_remove_wanted) {
vd->vdev_remove_wanted = B_FALSE;
vd->vdev_delayed_close = B_FALSE;
@ -6085,33 +6054,29 @@ spa_async_remove(spa_t *spa, vdev_t *vd)
vdev_state_dirty(vd->vdev_top);
}
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
spa_async_remove(spa, vd->vdev_child[c]);
}
static void
spa_async_probe(spa_t *spa, vdev_t *vd)
{
int c;
if (vd->vdev_probe_wanted) {
vd->vdev_probe_wanted = B_FALSE;
vdev_reopen(vd); /* vdev_open() does the actual probe */
}
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
spa_async_probe(spa, vd->vdev_child[c]);
}
static void
spa_async_autoexpand(spa_t *spa, vdev_t *vd)
{
int c;
if (!spa->spa_autoexpand)
return;
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
spa_async_autoexpand(spa, cvd);
}
@ -6404,7 +6369,6 @@ static void
spa_avz_build(vdev_t *vd, uint64_t avz, dmu_tx_t *tx)
{
spa_t *spa = vd->vdev_spa;
uint64_t i;
if (vd->vdev_top_zap != 0) {
VERIFY0(zap_add_int(spa->spa_meta_objset, avz,
@ -6414,7 +6378,7 @@ spa_avz_build(vdev_t *vd, uint64_t avz, dmu_tx_t *tx)
VERIFY0(zap_add_int(spa->spa_meta_objset, avz,
vd->vdev_leaf_zap, tx));
}
for (i = 0; i < vd->vdev_children; i++) {
for (uint64_t i = 0; i < vd->vdev_children; i++) {
spa_avz_build(vd->vdev_child[i], avz, tx);
}
}
@ -6441,15 +6405,15 @@ spa_sync_config_object(spa_t *spa, dmu_tx_t *tx)
spa->spa_all_vdev_zaps != 0);
if (spa->spa_avz_action == AVZ_ACTION_REBUILD) {
zap_cursor_t zc;
zap_attribute_t za;
/* Make and build the new AVZ */
uint64_t new_avz = zap_create(spa->spa_meta_objset,
DMU_OTN_ZAP_METADATA, DMU_OT_NONE, 0, tx);
spa_avz_build(spa->spa_root_vdev, new_avz, tx);
/* Diff old AVZ with new one */
zap_cursor_t zc;
zap_attribute_t za;
for (zap_cursor_init(&zc, spa->spa_meta_objset,
spa->spa_all_vdev_zaps);
zap_cursor_retrieve(&zc, &za) == 0;
@ -6783,15 +6747,12 @@ spa_sync(spa_t *spa, uint64_t txg)
dsl_pool_t *dp = spa->spa_dsl_pool;
objset_t *mos = spa->spa_meta_objset;
bplist_t *free_bpl = &spa->spa_free_bplist[txg & TXG_MASK];
metaslab_class_t *mc;
vdev_t *rvd = spa->spa_root_vdev;
vdev_t *vd;
dmu_tx_t *tx;
int error;
uint32_t max_queue_depth = zfs_vdev_async_write_max_active *
zfs_vdev_queue_depth_pct / 100;
uint64_t queue_depth_total;
int c;
VERIFY(spa_writeable(spa));
@ -6866,8 +6827,8 @@ spa_sync(spa_t *spa, uint64_t txg)
* The max queue depth will not change in the middle of syncing
* out this txg.
*/
queue_depth_total = 0;
for (c = 0; c < rvd->vdev_children; c++) {
uint64_t queue_depth_total = 0;
for (int c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
metaslab_group_t *mg = tvd->vdev_mg;
@ -6884,7 +6845,7 @@ spa_sync(spa_t *spa, uint64_t txg)
mg->mg_max_alloc_queue_depth = max_queue_depth;
queue_depth_total += mg->mg_max_alloc_queue_depth;
}
mc = spa_normal_class(spa);
metaslab_class_t *mc = spa_normal_class(spa);
ASSERT0(refcount_count(&mc->mc_alloc_slots));
mc->mc_alloc_max_slots = queue_depth_total;
mc->mc_alloc_throttle_enabled = zio_dva_throttle_enabled;
@ -6997,7 +6958,7 @@ spa_sync(spa_t *spa, uint64_t txg)
int children = rvd->vdev_children;
int c0 = spa_get_random(children);
for (c = 0; c < children; c++) {
for (int c = 0; c < children; c++) {
vd = rvd->vdev_child[(c0 + c) % children];
if (vd->vdev_ms_array == 0 || vd->vdev_islog)
continue;

2
module/zfs/spa_config.c
View File

@ -413,7 +413,6 @@ spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, int getstats)
boolean_t locked = B_FALSE;
uint64_t split_guid;
char *pool_name;
int config_gen_flags = 0;
if (vd == NULL) {
vd = rvd;
@ -463,6 +462,7 @@ spa_config_generate(spa_t *spa, vdev_t *vd, uint64_t txg, int getstats)
fnvlist_add_uint64(config, ZPOOL_CONFIG_HOSTID, hostid);
fnvlist_add_string(config, ZPOOL_CONFIG_HOSTNAME, utsname()->nodename);
int config_gen_flags = 0;
if (vd != rvd) {
fnvlist_add_uint64(config, ZPOOL_CONFIG_TOP_GUID,
vd->vdev_top->vdev_guid);

41
module/zfs/spa_misc.c
View File

@ -360,9 +360,7 @@ uint64_t spa_min_slop = 128 * 1024 * 1024;
static void
spa_config_lock_init(spa_t *spa)
{
int i;
for (i = 0; i < SCL_LOCKS; i++) {
for (int i = 0; i < SCL_LOCKS; i++) {
spa_config_lock_t *scl = &spa->spa_config_lock[i];
mutex_init(&scl->scl_lock, NULL, MUTEX_DEFAULT, NULL);
cv_init(&scl->scl_cv, NULL, CV_DEFAULT, NULL);
@ -375,9 +373,7 @@ spa_config_lock_init(spa_t *spa)
static void
spa_config_lock_destroy(spa_t *spa)
{
int i;
for (i = 0; i < SCL_LOCKS; i++) {
for (int i = 0; i < SCL_LOCKS; i++) {
spa_config_lock_t *scl = &spa->spa_config_lock[i];
mutex_destroy(&scl->scl_lock);
cv_destroy(&scl->scl_cv);
@ -390,9 +386,7 @@ spa_config_lock_destroy(spa_t *spa)
int
spa_config_tryenter(spa_t *spa, int locks, void *tag, krw_t rw)
{
int i;
for (i = 0; i < SCL_LOCKS; i++) {
for (int i = 0; i < SCL_LOCKS; i++) {
spa_config_lock_t *scl = &spa->spa_config_lock[i];
if (!(locks & (1 << i)))
continue;
@ -424,11 +418,10 @@ void
spa_config_enter(spa_t *spa, int locks, void *tag, krw_t rw)
{
int wlocks_held = 0;
int i;
ASSERT3U(SCL_LOCKS, <, sizeof (wlocks_held) * NBBY);
for (i = 0; i < SCL_LOCKS; i++) {
for (int i = 0; i < SCL_LOCKS; i++) {
spa_config_lock_t *scl = &spa->spa_config_lock[i];
if (scl->scl_writer == curthread)
wlocks_held |= (1 << i);
@ -457,9 +450,7 @@ spa_config_enter(spa_t *spa, int locks, void *tag, krw_t rw)
void
spa_config_exit(spa_t *spa, int locks, void *tag)
{
int i;
for (i = SCL_LOCKS - 1; i >= 0; i--) {
for (int i = SCL_LOCKS - 1; i >= 0; i--) {
spa_config_lock_t *scl = &spa->spa_config_lock[i];
if (!(locks & (1 << i)))
continue;
@ -478,9 +469,9 @@ spa_config_exit(spa_t *spa, int locks, void *tag)
int
spa_config_held(spa_t *spa, int locks, krw_t rw)
{
int i, locks_held = 0;
int locks_held = 0;
for (i = 0; i < SCL_LOCKS; i++) {
for (int i = 0; i < SCL_LOCKS; i++) {
spa_config_lock_t *scl = &spa->spa_config_lock[i];
if (!(locks & (1 << i)))
continue;
@ -562,8 +553,6 @@ spa_add(const char *name, nvlist_t *config, const char *altroot)
{
spa_t *spa;
spa_config_dirent_t *dp;
int t;
int i;
ASSERT(MUTEX_HELD(&spa_namespace_lock));
@ -589,7 +578,7 @@ spa_add(const char *name, nvlist_t *config, const char *altroot)
cv_init(&spa->spa_scrub_io_cv, NULL, CV_DEFAULT, NULL);
cv_init(&spa->spa_suspend_cv, NULL, CV_DEFAULT, NULL);
for (t = 0; t < TXG_SIZE; t++)
for (int t = 0; t < TXG_SIZE; t++)
bplist_create(&spa->spa_free_bplist[t]);
(void) strlcpy(spa->spa_name, name, sizeof (spa->spa_name));
@ -660,7 +649,7 @@ spa_add(const char *name, nvlist_t *config, const char *altroot)
* setting SPA_FEATURE_DISABLED for all entries in the feature
* refcount cache.
*/
for (i = 0; i < SPA_FEATURES; i++) {
for (int i = 0; i < SPA_FEATURES; i++) {
spa->spa_feat_refcount_cache[i] = SPA_FEATURE_DISABLED;
}
@ -676,7 +665,6 @@ void
spa_remove(spa_t *spa)
{
spa_config_dirent_t *dp;
int t;
ASSERT(MUTEX_HELD(&spa_namespace_lock));
ASSERT(spa->spa_state == POOL_STATE_UNINITIALIZED);
@ -710,7 +698,7 @@ spa_remove(spa_t *spa)
spa_stats_destroy(spa);
spa_config_lock_destroy(spa);
for (t = 0; t < TXG_SIZE; t++)
for (int t = 0; t < TXG_SIZE; t++)
bplist_destroy(&spa->spa_free_bplist[t]);
zio_checksum_templates_free(spa);
@ -1077,9 +1065,10 @@ spa_vdev_config_enter(spa_t *spa)
void
spa_vdev_config_exit(spa_t *spa, vdev_t *vd, uint64_t txg, int error, char *tag)
{
ASSERT(MUTEX_HELD(&spa_namespace_lock));
int config_changed = B_FALSE;
ASSERT(MUTEX_HELD(&spa_namespace_lock));
ASSERT(txg > spa_last_synced_txg(spa));
spa->spa_pending_vdev = NULL;
@ -1803,9 +1792,8 @@ uint64_t
bp_get_dsize_sync(spa_t *spa, const blkptr_t *bp)
{
uint64_t dsize = 0;
int d;
for (d = 0; d < BP_GET_NDVAS(bp); d++)
for (int d = 0; d < BP_GET_NDVAS(bp); d++)
dsize += dva_get_dsize_sync(spa, &bp->blk_dva[d]);
return (dsize);
@ -1815,11 +1803,10 @@ uint64_t
bp_get_dsize(spa_t *spa, const blkptr_t *bp)
{
uint64_t dsize = 0;
int d;
spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
for (d = 0; d < BP_GET_NDVAS(bp); d++)
for (int d = 0; d < BP_GET_NDVAS(bp); d++)
dsize += dva_get_dsize_sync(spa, &bp->blk_dva[d]);
spa_config_exit(spa, SCL_VDEV, FTAG);

7
module/zfs/space_map.c
View File

@ -144,13 +144,11 @@ space_map_histogram_clear(space_map_t *sm)
boolean_t
space_map_histogram_verify(space_map_t *sm, range_tree_t *rt)
{
int i;
/*
* Verify that the in-core range tree does not have any
* ranges smaller than our sm_shift size.
*/
for (i = 0; i < sm->sm_shift; i++) {
for (int i = 0; i < sm->sm_shift; i++) {
if (rt->rt_histogram[i] != 0)
return (B_FALSE);
}
@ -161,7 +159,6 @@ void
space_map_histogram_add(space_map_t *sm, range_tree_t *rt, dmu_tx_t *tx)
{
int idx = 0;
int i;
ASSERT(MUTEX_HELD(rt->rt_lock));
ASSERT(dmu_tx_is_syncing(tx));
@ -181,7 +178,7 @@ space_map_histogram_add(space_map_t *sm, range_tree_t *rt, dmu_tx_t *tx)
* map only cares about allocatable blocks (minimum of sm_shift) we
* can safely ignore all ranges in the range tree smaller than sm_shift.
*/
for (i = sm->sm_shift; i < RANGE_TREE_HISTOGRAM_SIZE; i++) {
for (int i = sm->sm_shift; i < RANGE_TREE_HISTOGRAM_SIZE; i++) {
/*
* Since the largest histogram bucket in the space map is

4
module/zfs/txg.c
View File

@ -785,9 +785,7 @@ txg_list_empty(txg_list_t *tl, uint64_t txg)
boolean_t
txg_all_lists_empty(txg_list_t *tl)
{
int i;
for (i = 0; i < TXG_SIZE; i++) {
for (int i = 0; i < TXG_SIZE; i++) {
if (!txg_list_empty(tl, i)) {
return (B_FALSE);
}

114
module/zfs/vdev.c
View File

@ -97,9 +97,8 @@ vdev_default_asize(vdev_t *vd, uint64_t psize)
{
uint64_t asize = P2ROUNDUP(psize, 1ULL << vd->vdev_top->vdev_ashift);
uint64_t csize;
int c;
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
csize = vdev_psize_to_asize(vd->vdev_child[c], psize);
asize = MAX(asize, csize);
}
@ -146,10 +145,9 @@ vdev_get_min_asize(vdev_t *vd)
void
vdev_set_min_asize(vdev_t *vd)
{
int c;
vd->vdev_min_asize = vdev_get_min_asize(vd);
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_set_min_asize(vd->vdev_child[c]);
}
@ -172,12 +170,11 @@ vdev_t *
vdev_lookup_by_guid(vdev_t *vd, uint64_t guid)
{
vdev_t *mvd;
int c;
if (vd->vdev_guid == guid)
return (vd);
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
if ((mvd = vdev_lookup_by_guid(vd->vdev_child[c], guid)) !=
NULL)
return (mvd);
@ -189,12 +186,11 @@ static int
vdev_count_leaves_impl(vdev_t *vd)
{
int n = 0;
int c;
if (vd->vdev_ops->vdev_op_leaf)
return (1);
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
n += vdev_count_leaves_impl(vd->vdev_child[c]);
return (n);
@ -289,17 +285,16 @@ vdev_compact_children(vdev_t *pvd)
vdev_t **newchild, *cvd;
int oldc = pvd->vdev_children;
int newc;
int c;
ASSERT(spa_config_held(pvd->vdev_spa, SCL_ALL, RW_WRITER) == SCL_ALL);
for (c = newc = 0; c < oldc; c++)
for (int c = newc = 0; c < oldc; c++)
if (pvd->vdev_child[c])
newc++;
newchild = kmem_zalloc(newc * sizeof (vdev_t *), KM_SLEEP);
for (c = newc = 0; c < oldc; c++) {
for (int c = newc = 0; c < oldc; c++) {
if ((cvd = pvd->vdev_child[c]) != NULL) {
newchild[newc] = cvd;
cvd->vdev_id = newc++;
@ -318,7 +313,6 @@ vdev_t *
vdev_alloc_common(spa_t *spa, uint_t id, uint64_t guid, vdev_ops_t *ops)
{
vdev_t *vd;
int t;
vd = kmem_zalloc(sizeof (vdev_t), KM_SLEEP);
@ -367,7 +361,7 @@ vdev_alloc_common(spa_t *spa, uint_t id, uint64_t guid, vdev_ops_t *ops)
mutex_init(&vd->vdev_probe_lock, NULL, MUTEX_DEFAULT, NULL);
mutex_init(&vd->vdev_queue_lock, NULL, MUTEX_DEFAULT, NULL);
for (t = 0; t < DTL_TYPES; t++) {
for (int t = 0; t < DTL_TYPES; t++) {
vd->vdev_dtl[t] = range_tree_create(NULL, NULL,
&vd->vdev_dtl_lock);
}
@ -651,7 +645,6 @@ vdev_alloc(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent, uint_t id,
void
vdev_free(vdev_t *vd)
{
int c, t;
spa_t *spa = vd->vdev_spa;
/*
@ -666,7 +659,7 @@ vdev_free(vdev_t *vd)
/*
* Free all children.
*/
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_free(vd->vdev_child[c]);
ASSERT(vd->vdev_child == NULL);
@ -720,7 +713,7 @@ vdev_free(vdev_t *vd)
mutex_enter(&vd->vdev_dtl_lock);
space_map_close(vd->vdev_dtl_sm);
for (t = 0; t < DTL_TYPES; t++) {
for (int t = 0; t < DTL_TYPES; t++) {
range_tree_vacate(vd->vdev_dtl[t], NULL, NULL);
range_tree_destroy(vd->vdev_dtl[t]);
}
@ -812,14 +805,12 @@ vdev_top_transfer(vdev_t *svd, vdev_t *tvd)
static void
vdev_top_update(vdev_t *tvd, vdev_t *vd)
{
int c;
if (vd == NULL)
return;
vd->vdev_top = tvd;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_top_update(tvd, vd->vdev_child[c]);
}
@ -1081,7 +1072,6 @@ vdev_probe(vdev_t *vd, zio_t *zio)
spa_t *spa = vd->vdev_spa;
vdev_probe_stats_t *vps = NULL;
zio_t *pio;
int l;
ASSERT(vd->vdev_ops->vdev_op_leaf);
@ -1151,7 +1141,7 @@ vdev_probe(vdev_t *vd, zio_t *zio)
return (NULL);
}
for (l = 1; l < VDEV_LABELS; l++) {
for (int l = 1; l < VDEV_LABELS; l++) {
zio_nowait(zio_read_phys(pio, vd,
vdev_label_offset(vd->vdev_psize, l,
offsetof(vdev_label_t, vl_pad2)), VDEV_PAD_SIZE,
@ -1180,14 +1170,12 @@ vdev_open_child(void *arg)
static boolean_t
vdev_uses_zvols(vdev_t *vd)
{
int c;
#ifdef _KERNEL
if (zvol_is_zvol(vd->vdev_path))
return (B_TRUE);
#endif
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
if (vdev_uses_zvols(vd->vdev_child[c]))
return (B_TRUE);
@ -1199,7 +1187,6 @@ vdev_open_children(vdev_t *vd)
{
taskq_t *tq;
int children = vd->vdev_children;
int c;
/*
* in order to handle pools on top of zvols, do the opens
@ -1208,7 +1195,7 @@ vdev_open_children(vdev_t *vd)
*/
if (vdev_uses_zvols(vd)) {
retry_sync:
for (c = 0; c < children; c++)
for (int c = 0; c < children; c++)
vd->vdev_child[c]->vdev_open_error =
vdev_open(vd->vdev_child[c]);
} else {
@ -1217,7 +1204,7 @@ retry_sync:
if (tq == NULL)
goto retry_sync;
for (c = 0; c < children; c++)
for (int c = 0; c < children; c++)
VERIFY(taskq_dispatch(tq, vdev_open_child,
vd->vdev_child[c], TQ_SLEEP) != TASKQID_INVALID);
@ -1226,7 +1213,7 @@ retry_sync:
vd->vdev_nonrot = B_TRUE;
for (c = 0; c < children; c++)
for (int c = 0; c < children; c++)
vd->vdev_nonrot &= vd->vdev_child[c]->vdev_nonrot;
}
@ -1242,7 +1229,6 @@ vdev_open(vdev_t *vd)
uint64_t max_osize = 0;
uint64_t asize, max_asize, psize;
uint64_t ashift = 0;
int c;
ASSERT(vd->vdev_open_thread == curthread ||
spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL);
@ -1321,7 +1307,7 @@ vdev_open(vdev_t *vd)
if (vd->vdev_ishole || vd->vdev_ops == &vdev_missing_ops)
return (0);
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
if (vd->vdev_child[c]->vdev_state != VDEV_STATE_HEALTHY) {
vdev_set_state(vd, B_TRUE, VDEV_STATE_DEGRADED,
VDEV_AUX_NONE);
@ -1479,9 +1465,8 @@ vdev_validate(vdev_t *vd, boolean_t strict)
nvlist_t *label;
uint64_t guid = 0, top_guid;
uint64_t state;
int c;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
if (vdev_validate(vd->vdev_child[c], strict) != 0)
return (SET_ERROR(EBADF));
@ -1623,13 +1608,12 @@ void
vdev_hold(vdev_t *vd)
{
spa_t *spa = vd->vdev_spa;
int c;
ASSERT(spa_is_root(spa));
if (spa->spa_state == POOL_STATE_UNINITIALIZED)
return;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_hold(vd->vdev_child[c]);
if (vd->vdev_ops->vdev_op_leaf)
@ -1639,10 +1623,8 @@ vdev_hold(vdev_t *vd)
void
vdev_rele(vdev_t *vd)
{
int c;
ASSERT(spa_is_root(vd->vdev_spa));
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_rele(vd->vdev_child[c]);
if (vd->vdev_ops->vdev_op_leaf)
@ -1748,9 +1730,7 @@ vdev_dirty(vdev_t *vd, int flags, void *arg, uint64_t txg)
void
vdev_dirty_leaves(vdev_t *vd, int flags, uint64_t txg)
{
int c;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_dirty_leaves(vd->vdev_child[c], flags, txg);
if (vd->vdev_ops->vdev_op_leaf)
@ -1935,11 +1915,11 @@ vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg, int scrub_done)
{
spa_t *spa = vd->vdev_spa;
avl_tree_t reftree;
int c, t, minref;
int minref;
ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0);
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_dtl_reassess(vd->vdev_child[c], txg,
scrub_txg, scrub_done);
@ -2020,9 +2000,7 @@ vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg, int scrub_done)
}
mutex_enter(&vd->vdev_dtl_lock);
for (t = 0; t < DTL_TYPES; t++) {
int c;
for (int t = 0; t < DTL_TYPES; t++) {
/* account for child's outage in parent's missing map */
int s = (t == DTL_MISSING) ? DTL_OUTAGE: t;
if (t == DTL_SCRUB)
@ -2034,7 +2012,7 @@ vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg, int scrub_done)
else
minref = vd->vdev_children; /* any kind of mirror */
space_reftree_create(&reftree);
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
mutex_enter(&cvd->vdev_dtl_lock);
space_reftree_add_map(&reftree, cvd->vdev_dtl[s], 1);
@ -2052,7 +2030,6 @@ vdev_dtl_load(vdev_t *vd)
spa_t *spa = vd->vdev_spa;
objset_t *mos = spa->spa_meta_objset;
int error = 0;
int c;
if (vd->vdev_ops->vdev_op_leaf && vd->vdev_dtl_object != 0) {
ASSERT(!vd->vdev_ishole);
@ -2078,7 +2055,7 @@ vdev_dtl_load(vdev_t *vd)
return (error);
}
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
error = vdev_dtl_load(vd->vdev_child[c]);
if (error != 0)
break;
@ -2114,8 +2091,6 @@ vdev_create_link_zap(vdev_t *vd, dmu_tx_t *tx)
void
vdev_construct_zaps(vdev_t *vd, dmu_tx_t *tx)
{
uint64_t i;
if (vd->vdev_ops != &vdev_hole_ops &&
vd->vdev_ops != &vdev_missing_ops &&
vd->vdev_ops != &vdev_root_ops &&
@ -2127,7 +2102,7 @@ vdev_construct_zaps(vdev_t *vd, dmu_tx_t *tx)
vd->vdev_top_zap = vdev_create_link_zap(vd, tx);
}
}
for (i = 0; i < vd->vdev_children; i++) {
for (uint64_t i = 0; i < vd->vdev_children; i++) {
vdev_construct_zaps(vd->vdev_child[i], tx);
}
}
@ -2261,7 +2236,6 @@ vdev_resilver_needed(vdev_t *vd, uint64_t *minp, uint64_t *maxp)
boolean_t needed = B_FALSE;
uint64_t thismin = UINT64_MAX;
uint64_t thismax = 0;
int c;
if (vd->vdev_children == 0) {
mutex_enter(&vd->vdev_dtl_lock);
@ -2274,7 +2248,7 @@ vdev_resilver_needed(vdev_t *vd, uint64_t *minp, uint64_t *maxp)
}
mutex_exit(&vd->vdev_dtl_lock);
} else {
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
uint64_t cmin, cmax;
@ -2296,12 +2270,10 @@ vdev_resilver_needed(vdev_t *vd, uint64_t *minp, uint64_t *maxp)
void
vdev_load(vdev_t *vd)
{
int c;
/*
* Recursively load all children.
*/
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_load(vd->vdev_child[c]);
/*
@ -2368,7 +2340,6 @@ vdev_remove(vdev_t *vd, uint64_t txg)
spa_t *spa = vd->vdev_spa;
objset_t *mos = spa->spa_meta_objset;
dmu_tx_t *tx;
int m, i;
tx = dmu_tx_create_assigned(spa_get_dsl(spa), txg);
ASSERT(vd == vd->vdev_top);
@ -2380,7 +2351,7 @@ vdev_remove(vdev_t *vd, uint64_t txg)
metaslab_group_histogram_verify(mg);
metaslab_class_histogram_verify(mg->mg_class);
for (m = 0; m < vd->vdev_ms_count; m++) {
for (int m = 0; m < vd->vdev_ms_count; m++) {
metaslab_t *msp = vd->vdev_ms[m];
if (msp == NULL || msp->ms_sm == NULL)
@ -2405,7 +2376,7 @@ vdev_remove(vdev_t *vd, uint64_t txg)
metaslab_group_histogram_verify(mg);
metaslab_class_histogram_verify(mg->mg_class);
for (i = 0; i < RANGE_TREE_HISTOGRAM_SIZE; i++)
for (int i = 0; i < RANGE_TREE_HISTOGRAM_SIZE; i++)
ASSERT0(mg->mg_histogram[i]);
}
@ -2778,7 +2749,6 @@ void
vdev_clear(spa_t *spa, vdev_t *vd)
{
vdev_t *rvd = spa->spa_root_vdev;
int c;
ASSERT(spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL);
@ -2789,7 +2759,7 @@ vdev_clear(spa_t *spa, vdev_t *vd)
vd->vdev_stat.vs_write_errors = 0;
vd->vdev_stat.vs_checksum_errors = 0;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_clear(spa, vd->vdev_child[c]);
/*
@ -2949,7 +2919,7 @@ vdev_get_child_stat_ex(vdev_t *cvd, vdev_stat_ex_t *vsx, vdev_stat_ex_t *cvsx)
static void
vdev_get_stats_ex_impl(vdev_t *vd, vdev_stat_t *vs, vdev_stat_ex_t *vsx)
{
int c, t;
int t;
/*
* If we're getting stats on the root vdev, aggregate the I/O counts
* over all top-level vdevs (i.e. the direct children of the root).
@ -2962,7 +2932,7 @@ vdev_get_stats_ex_impl(vdev_t *vd, vdev_stat_t *vs, vdev_stat_ex_t *vsx)
if (vsx)
memset(vsx, 0, sizeof (*vsx));
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
vdev_stat_t *cvs = &cvd->vdev_stat;
vdev_stat_ex_t *cvsx = &cvd->vdev_stat_ex;
@ -3049,9 +3019,8 @@ void
vdev_scan_stat_init(vdev_t *vd)
{
vdev_stat_t *vs = &vd->vdev_stat;
int c;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_scan_stat_init(vd->vdev_child[c]);
mutex_enter(&vd->vdev_stat_lock);
@ -3418,10 +3387,9 @@ vdev_propagate_state(vdev_t *vd)
int degraded = 0, faulted = 0;
int corrupted = 0;
vdev_t *child;
int c;
if (vd->vdev_children > 0) {
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
child = vd->vdev_child[c];
/*
@ -3650,14 +3618,12 @@ vdev_is_bootable(vdev_t *vd)
void
vdev_load_log_state(vdev_t *nvd, vdev_t *ovd)
{
int c;
ASSERT(nvd->vdev_top->vdev_islog);
ASSERT(spa_config_held(nvd->vdev_spa,
SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL);
ASSERT3U(nvd->vdev_guid, ==, ovd->vdev_guid);
for (c = 0; c < nvd->vdev_children; c++)
for (int c = 0; c < nvd->vdev_children; c++)
vdev_load_log_state(nvd->vdev_child[c], ovd->vdev_child[c]);
if (nvd->vdev_ops->vdev_op_leaf) {
@ -3679,13 +3645,11 @@ vdev_load_log_state(vdev_t *nvd, vdev_t *ovd)
boolean_t
vdev_log_state_valid(vdev_t *vd)
{
int c;
if (vd->vdev_ops->vdev_op_leaf && !vd->vdev_faulted &&
!vd->vdev_removed)
return (B_TRUE);
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
if (vdev_log_state_valid(vd->vdev_child[c]))
return (B_TRUE);
@ -3729,9 +3693,7 @@ vdev_split(vdev_t *vd)
void
vdev_deadman(vdev_t *vd)
{
int c;
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
vdev_deadman(cvd);

3
module/zfs/vdev_cache.c
View File

@ -215,7 +215,6 @@ vdev_cache_fill(zio_t *fio)
vdev_cache_t *vc = &vd->vdev_cache;
vdev_cache_entry_t *ve = fio->io_private;
zio_t *pio;
zio_link_t *zl;
ASSERT3U(fio->io_size, ==, VCBS);
@ -235,7 +234,7 @@ vdev_cache_fill(zio_t *fio)
* any reads that were queued up before the missed update are still
* valid, so we can satisfy them from this line before we evict it.
*/
zl = NULL;
zio_link_t *zl = NULL;
while ((pio = zio_walk_parents(fio, &zl)) != NULL)
vdev_cache_hit(vc, ve, pio);

24
module/zfs/vdev_label.c
View File

@ -602,7 +602,6 @@ vdev_label_read_config(vdev_t *vd, uint64_t txg)
int error = 0;
int flags = ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_CANFAIL |
ZIO_FLAG_SPECULATIVE;
int l;
ASSERT(spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL);
@ -613,7 +612,7 @@ vdev_label_read_config(vdev_t *vd, uint64_t txg)
vp = abd_to_buf(vp_abd);
retry:
for (l = 0; l < VDEV_LABELS; l++) {
for (int l = 0; l < VDEV_LABELS; l++) {
nvlist_t *label = NULL;
zio = zio_root(spa, NULL, NULL, flags);
@ -803,12 +802,10 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
int error;
uint64_t spare_guid = 0, l2cache_guid = 0;
int flags = ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_CANFAIL;
int c, l;
vdev_t *pvd;
ASSERT(spa_config_held(spa, SCL_ALL, RW_WRITER) == SCL_ALL);
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
if ((error = vdev_label_init(vd->vdev_child[c],
crtxg, reason)) != 0)
return (error);
@ -844,7 +841,7 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
vd->vdev_guid += guid_delta;
for (pvd = vd; pvd != NULL; pvd = pvd->vdev_parent)
for (vdev_t *pvd = vd; pvd != NULL; pvd = pvd->vdev_parent)
pvd->vdev_guid_sum += guid_delta;
/*
@ -864,7 +861,7 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
vd->vdev_guid += guid_delta;
for (pvd = vd; pvd != NULL; pvd = pvd->vdev_parent)
for (vdev_t *pvd = vd; pvd != NULL; pvd = pvd->vdev_parent)
pvd->vdev_guid_sum += guid_delta;
/*
@ -966,7 +963,7 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
retry:
zio = zio_root(spa, NULL, NULL, flags);
for (l = 0; l < VDEV_LABELS; l++) {
for (int l = 0; l < VDEV_LABELS; l++) {
vdev_label_write(zio, vd, l, vp_abd,
offsetof(vdev_label_t, vl_vdev_phys),
@ -1251,11 +1248,10 @@ vdev_uberblock_sync_list(vdev_t **svd, int svdcount, uberblock_t *ub, int flags)
spa_t *spa = svd[0]->vdev_spa;
zio_t *zio;
uint64_t good_writes = 0;
int v;
zio = zio_root(spa, NULL, &good_writes, flags);
for (v = 0; v < svdcount; v++)
for (int v = 0; v < svdcount; v++)
vdev_uberblock_sync(zio, ub, svd[v], flags);
(void) zio_wait(zio);
@ -1267,7 +1263,7 @@ vdev_uberblock_sync_list(vdev_t **svd, int svdcount, uberblock_t *ub, int flags)
*/
zio = zio_root(spa, NULL, NULL, flags);
for (v = 0; v < svdcount; v++)
for (int v = 0; v < svdcount; v++)
zio_flush(zio, svd[v]);
(void) zio_wait(zio);
@ -1321,9 +1317,8 @@ vdev_label_sync(zio_t *zio, vdev_t *vd, int l, uint64_t txg, int flags)
abd_t *vp_abd;
char *buf;
size_t buflen;
int c;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_label_sync(zio, vd->vdev_child[c], l, txg, flags);
if (!vd->vdev_ops->vdev_op_leaf)
@ -1373,12 +1368,11 @@ vdev_label_sync_list(spa_t *spa, int l, uint64_t txg, int flags)
for (vd = list_head(dl); vd != NULL; vd = list_next(dl, vd)) {
uint64_t *good_writes;
zio_t *vio;
ASSERT(!vd->vdev_ishole);
good_writes = kmem_zalloc(sizeof (uint64_t), KM_SLEEP);
vio = zio_null(zio, spa, NULL,
zio_t *vio = zio_null(zio, spa, NULL,
(vd->vdev_islog || vd->vdev_aux != NULL) ?
vdev_label_sync_ignore_done : vdev_label_sync_top_done,
good_writes, flags);

11
module/zfs/vdev_mirror.c
View File

@ -282,7 +282,6 @@ vdev_mirror_open(vdev_t *vd, uint64_t *asize, uint64_t *max_asize,
{
int numerrors = 0;
int lasterror = 0;
int c;
if (vd->vdev_children == 0) {
vd->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL;
@ -291,7 +290,7 @@ vdev_mirror_open(vdev_t *vd, uint64_t *asize, uint64_t *max_asize,
vdev_open_children(vd);
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
if (cvd->vdev_open_error) {
@ -316,9 +315,7 @@ vdev_mirror_open(vdev_t *vd, uint64_t *asize, uint64_t *max_asize,
static void
vdev_mirror_close(vdev_t *vd)
{
int c;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_close(vd->vdev_child[c]);
}
@ -538,9 +535,9 @@ vdev_mirror_io_start(zio_t *zio)
static int
vdev_mirror_worst_error(mirror_map_t *mm)
{
int c, error[2] = { 0, 0 };
int error[2] = { 0, 0 };
for (c = 0; c < mm->mm_children; c++) {
for (int c = 0; c < mm->mm_children; c++) {
mirror_child_t *mc = &mm->mm_child[c];
int s = mc->mc_speculative;
error[s] = zio_worst_error(error[s], mc->mc_error);

3
module/zfs/vdev_queue.c
View File

@ -400,9 +400,8 @@ void
vdev_queue_fini(vdev_t *vd)
{
vdev_queue_t *vq = &vd->vdev_queue;
zio_priority_t p;
for (p = 0; p < ZIO_PRIORITY_NUM_QUEUEABLE; p++)
for (zio_priority_t p = 0; p < ZIO_PRIORITY_NUM_QUEUEABLE; p++)
avl_destroy(vdev_queue_class_tree(vq, p));
avl_destroy(&vq->vq_active_tree);
avl_destroy(vdev_queue_type_tree(vq, ZIO_TYPE_READ));

37
module/zfs/vdev_raidz.c
View File

@ -695,9 +695,8 @@ vdev_raidz_reconst_p_func(void *dbuf, void *sbuf, size_t size, void *private)
uint64_t *dst = dbuf;
uint64_t *src = sbuf;
int cnt = size / sizeof (src[0]);
int i;
for (i = 0; i < cnt; i++) {
for (int i = 0; i < cnt; i++) {
dst[i] ^= src[i];
}
@ -713,9 +712,8 @@ vdev_raidz_reconst_q_pre_func(void *dbuf, void *sbuf, size_t size,
uint64_t *src = sbuf;
uint64_t mask;
int cnt = size / sizeof (dst[0]);
int i;
for (i = 0; i < cnt; i++, dst++, src++) {
for (int i = 0; i < cnt; i++, dst++, src++) {
VDEV_RAIDZ_64MUL_2(*dst, mask);
*dst ^= *src;
}
@ -730,9 +728,8 @@ vdev_raidz_reconst_q_pre_tail_func(void *buf, size_t size, void *private)
uint64_t *dst = buf;
uint64_t mask;
int cnt = size / sizeof (dst[0]);
int i;
for (i = 0; i < cnt; i++, dst++) {
for (int i = 0; i < cnt; i++, dst++) {
/* same operation as vdev_raidz_reconst_q_pre_func() on dst */
VDEV_RAIDZ_64MUL_2(*dst, mask);
}
@ -751,9 +748,8 @@ vdev_raidz_reconst_q_post_func(void *buf, size_t size, void *private)
struct reconst_q_struct *rq = private;
uint64_t *dst = buf;
int cnt = size / sizeof (dst[0]);
int i;
for (i = 0; i < cnt; i++, dst++, rq->q++) {
for (int i = 0; i < cnt; i++, dst++, rq->q++) {
int j;
uint8_t *b;
@ -781,9 +777,8 @@ vdev_raidz_reconst_pq_func(void *xbuf, void *ybuf, size_t size, void *private)
struct reconst_pq_struct *rpq = private;
uint8_t *xd = xbuf;
uint8_t *yd = ybuf;
int i;
for (i = 0; i < size;
for (int i = 0; i < size;
i++, rpq->p++, rpq->q++, rpq->pxy++, rpq->qxy++, xd++, yd++) {
*xd = vdev_raidz_exp2(*rpq->p ^ *rpq->pxy, rpq->aexp) ^
vdev_raidz_exp2(*rpq->q ^ *rpq->qxy, rpq->bexp);
@ -798,9 +793,8 @@ vdev_raidz_reconst_pq_tail_func(void *xbuf, size_t size, void *private)
{
struct reconst_pq_struct *rpq = private;
uint8_t *xd = xbuf;
int i;
for (i = 0; i < size;
for (int i = 0; i < size;
i++, rpq->p++, rpq->q++, rpq->pxy++, rpq->qxy++, xd++) {
/* same operation as vdev_raidz_reconst_pq_func() on xd */
*xd = vdev_raidz_exp2(*rpq->p ^ *rpq->pxy, rpq->aexp) ^
@ -852,7 +846,6 @@ vdev_raidz_reconstruct_q(raidz_map_t *rm, int *tgts, int ntgts)
int x = tgts[0];
int c, exp;
abd_t *dst, *src;
struct reconst_q_struct rq;
ASSERT(ntgts == 1);
@ -884,9 +877,8 @@ vdev_raidz_reconstruct_q(raidz_map_t *rm, int *tgts, int ntgts)
src = rm->rm_col[VDEV_RAIDZ_Q].rc_abd;
dst = rm->rm_col[x].rc_abd;
exp = 255 - (rm->rm_cols - 1 - x);
rq.q = abd_to_buf(src);
rq.exp = exp;
struct reconst_q_struct rq = { abd_to_buf(src), exp };
(void) abd_iterate_func(dst, 0, rm->rm_col[x].rc_size,
vdev_raidz_reconst_q_post_func, &rq);
@ -902,7 +894,6 @@ vdev_raidz_reconstruct_pq(raidz_map_t *rm, int *tgts, int ntgts)
int x = tgts[0];
int y = tgts[1];
abd_t *xd, *yd;
struct reconst_pq_struct rpq;
ASSERT(ntgts == 2);
ASSERT(x < y);
@ -965,12 +956,7 @@ vdev_raidz_reconstruct_pq(raidz_map_t *rm, int *tgts, int ntgts)
bexp = vdev_raidz_log2[vdev_raidz_exp2(b, tmp)];
ASSERT3U(xsize, >=, ysize);
rpq.p = p;
rpq.q = q;
rpq.pxy = pxy;
rpq.qxy = qxy;
rpq.aexp = aexp;
rpq.bexp = bexp;
struct reconst_pq_struct rpq = { p, q, pxy, qxy, aexp, bexp };
(void) abd_iterate_func2(xd, yd, 0, 0, ysize,
vdev_raidz_reconst_pq_func, &rpq);
@ -1781,11 +1767,10 @@ raidz_checksum_verify(zio_t *zio)
{
zio_bad_cksum_t zbc;
raidz_map_t *rm = zio->io_vsd;
int ret;
bzero(&zbc, sizeof (zio_bad_cksum_t));
ret = zio_checksum_error(zio, &zbc);
int ret = zio_checksum_error(zio, &zbc);
if (ret != 0 && zbc.zbc_injected != 0)
rm->rm_ecksuminjected = 1;
@ -1841,9 +1826,9 @@ raidz_parity_verify(zio_t *zio, raidz_map_t *rm)
static int
vdev_raidz_worst_error(raidz_map_t *rm)
{
int c, error = 0;
int error = 0;
for (c = 0; c < rm->rm_cols; c++)
for (int c = 0; c < rm->rm_cols; c++)
error = zio_worst_error(error, rm->rm_col[c].rc_error);
return (error);

7
module/zfs/vdev_root.c
View File

@ -59,7 +59,6 @@ vdev_root_open(vdev_t *vd, uint64_t *asize, uint64_t *max_asize,
{
int lasterror = 0;
int numerrors = 0;
int c;
if (vd->vdev_children == 0) {
vd->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL;
@ -68,7 +67,7 @@ vdev_root_open(vdev_t *vd, uint64_t *asize, uint64_t *max_asize,
vdev_open_children(vd);
for (c = 0; c < vd->vdev_children; c++) {
for (int c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
if (cvd->vdev_open_error && !cvd->vdev_islog) {
@ -92,9 +91,7 @@ vdev_root_open(vdev_t *vd, uint64_t *asize, uint64_t *max_asize,
static void
vdev_root_close(vdev_t *vd)
{
int c;
for (c = 0; c < vd->vdev_children; c++)
for (int c = 0; c < vd->vdev_children; c++)
vdev_close(vd->vdev_child[c]);
}

3
module/zfs/zap.c
View File

@ -513,7 +513,6 @@ zap_get_leaf_byblk(zap_t *zap, uint64_t blkid, dmu_tx_t *tx, krw_t lt,
zap_leaf_t *l;
int bs = FZAP_BLOCK_SHIFT(zap);
int err;
dnode_t *dn;
ASSERT(RW_LOCK_HELD(&zap->zap_rwlock));
@ -527,7 +526,7 @@ zap_get_leaf_byblk(zap_t *zap, uint64_t blkid, dmu_tx_t *tx, krw_t lt,
if (blkid == 0)
return (SET_ERROR(ENOENT));
dn = dmu_buf_dnode_enter(zap->zap_dbuf);
dnode_t *dn = dmu_buf_dnode_enter(zap->zap_dbuf);
err = dmu_buf_hold_by_dnode(dn,
blkid << bs, NULL, &db, DMU_READ_NO_PREFETCH);
dmu_buf_dnode_exit(zap->zap_dbuf);

3
module/zfs/zap_micro.c
View File

@ -541,11 +541,10 @@ zap_lockdir_impl(dmu_buf_t *db, void *tag, dmu_tx_t *tx,
zap->zap_m.zap_num_entries == zap->zap_m.zap_num_chunks) {
uint64_t newsz = db->db_size + SPA_MINBLOCKSIZE;
if (newsz > MZAP_MAX_BLKSZ) {
int err;
dprintf("upgrading obj %llu: num_entries=%u\n",
obj, zap->zap_m.zap_num_entries);
*zapp = zap;
err = mzap_upgrade(zapp, tag, tx, 0);
int err = mzap_upgrade(zapp, tag, tx, 0);
if (err != 0)
rw_exit(&zap->zap_rwlock);
return (err);

7
module/zfs/zfeature.c
View File

@ -304,10 +304,8 @@ void
feature_sync(spa_t *spa, zfeature_info_t *feature, uint64_t refcount,
dmu_tx_t *tx)
{
uint64_t zapobj;
ASSERT(VALID_FEATURE_OR_NONE(feature->fi_feature));
zapobj = (feature->fi_flags & ZFEATURE_FLAG_READONLY_COMPAT) ?
uint64_t zapobj = (feature->fi_flags & ZFEATURE_FLAG_READONLY_COMPAT) ?
spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj;
VERIFY0(zap_update(spa->spa_meta_objset, zapobj, feature->fi_guid,
sizeof (uint64_t), 1, &refcount, tx));
@ -343,7 +341,6 @@ feature_enable_sync(spa_t *spa, zfeature_info_t *feature, dmu_tx_t *tx)
(feature->fi_flags & ZFEATURE_FLAG_ACTIVATE_ON_ENABLE) ? 1 : 0;
uint64_t zapobj = (feature->fi_flags & ZFEATURE_FLAG_READONLY_COMPAT) ?
spa->spa_feat_for_write_obj : spa->spa_feat_for_read_obj;
int i;
ASSERT(0 != zapobj);
ASSERT(zfeature_is_valid_guid(feature->fi_guid));
@ -355,7 +352,7 @@ feature_enable_sync(spa_t *spa, zfeature_info_t *feature, dmu_tx_t *tx)
if (zap_contains(spa->spa_meta_objset, zapobj, feature->fi_guid) == 0)
return;
for (i = 0; feature->fi_depends[i] != SPA_FEATURE_NONE; i++)
for (int i = 0; feature->fi_depends[i] != SPA_FEATURE_NONE; i++)
spa_feature_enable(spa, feature->fi_depends[i], tx);
VERIFY0(zap_update(spa->spa_meta_objset, spa->spa_feat_desc_obj,

9
module/zfs/zfs_fm.c
View File

@ -525,13 +525,12 @@ zei_shrink_ranges(zfs_ecksum_info_t *eip)
uint32_t end = r[idx].zr_end;
while (idx < max - 1) {
uint32_t nstart, nend, gap;
idx++;
nstart = r[idx].zr_start;
nend = r[idx].zr_end;
gap = nstart - end;
uint32_t nstart = r[idx].zr_start;
uint32_t nend = r[idx].zr_end;
uint32_t gap = nstart - end;
if (gap < new_allowed_gap) {
end = nend;
continue;

22
module/zfs/zfs_ioctl.c
View File

@ -1020,9 +1020,8 @@ static int
zfs_secpolicy_bookmark(zfs_cmd_t *zc, nvlist_t *innvl, cred_t *cr)
{
int error = 0;
nvpair_t *pair;
for (pair = nvlist_next_nvpair(innvl, NULL);
for (nvpair_t *pair = nvlist_next_nvpair(innvl, NULL);
pair != NULL; pair = nvlist_next_nvpair(innvl, pair)) {
char *name = nvpair_name(pair);
char *hashp = strchr(name, '#');
@ -3390,7 +3389,7 @@ zfs_ioc_snapshot(const char *poolname, nvlist_t *innvl, nvlist_t *outnvl)
nvlist_t *snaps;
nvlist_t *props = NULL;
int error, poollen;
nvpair_t *pair, *pair2;
nvpair_t *pair;
(void) nvlist_lookup_nvlist(innvl, "props", &props);
if ((error = zfs_check_userprops(poolname, props)) != 0)
@ -3424,7 +3423,7 @@ zfs_ioc_snapshot(const char *poolname, nvlist_t *innvl, nvlist_t *outnvl)
return (SET_ERROR(EXDEV));
/* This must be the only snap of this fs. */
for (pair2 = nvlist_next_nvpair(snaps, pair);
for (nvpair_t *pair2 = nvlist_next_nvpair(snaps, pair);
pair2 != NULL; pair2 = nvlist_next_nvpair(snaps, pair2)) {
if (strncmp(name, nvpair_name(pair2), cp - name + 1)
== 0) {
@ -3582,9 +3581,7 @@ zfs_ioc_destroy_snaps(const char *poolname, nvlist_t *innvl, nvlist_t *outnvl)
static int
zfs_ioc_bookmark(const char *poolname, nvlist_t *innvl, nvlist_t *outnvl)
{
nvpair_t *pair, *pair2;
for (pair = nvlist_next_nvpair(innvl, NULL);
for (nvpair_t *pair = nvlist_next_nvpair(innvl, NULL);
pair != NULL; pair = nvlist_next_nvpair(innvl, pair)) {
char *snap_name;
@ -3596,7 +3593,7 @@ zfs_ioc_bookmark(const char *poolname, nvlist_t *innvl, nvlist_t *outnvl)
/* Verify that the keys (bookmarks) are unique */
for (pair2 = nvlist_next_nvpair(innvl, pair);
for (nvpair_t *pair2 = nvlist_next_nvpair(innvl, pair);
pair2 != NULL; pair2 = nvlist_next_nvpair(innvl, pair2)) {
if (strcmp(nvpair_name(pair), nvpair_name(pair2)) == 0)
return (SET_ERROR(EINVAL));
@ -3636,10 +3633,9 @@ zfs_ioc_destroy_bookmarks(const char *poolname, nvlist_t *innvl,
nvlist_t *outnvl)
{
int error, poollen;
nvpair_t *pair;
poollen = strlen(poolname);
for (pair = nvlist_next_nvpair(innvl, NULL);
for (nvpair_t *pair = nvlist_next_nvpair(innvl, NULL);
pair != NULL; pair = nvlist_next_nvpair(innvl, pair)) {
const char *name = nvpair_name(pair);
const char *cp = strchr(name, '#');
@ -5191,17 +5187,15 @@ zfs_ioc_userspace_many(zfs_cmd_t *zc)
{
zfsvfs_t *zfsvfs;
int bufsize = zc->zc_nvlist_dst_size;
int error;
void *buf;
if (bufsize <= 0)
return (SET_ERROR(ENOMEM));
error = zfsvfs_hold(zc->zc_name, FTAG, &zfsvfs, B_FALSE);
int error = zfsvfs_hold(zc->zc_name, FTAG, &zfsvfs, B_FALSE);
if (error != 0)
return (error);
buf = vmem_alloc(bufsize, KM_SLEEP);
void *buf = vmem_alloc(bufsize, KM_SLEEP);
error = zfs_userspace_many(zfsvfs, zc->zc_objset_type, &zc->zc_cookie,
buf, &zc->zc_nvlist_dst_size);

6
module/zfs/zil.c
View File

@ -550,9 +550,8 @@ boolean_t
zilog_is_dirty(zilog_t *zilog)
{
dsl_pool_t *dp = zilog->zl_dmu_pool;
int t;
for (t = 0; t < TXG_SIZE; t++) {
for (int t = 0; t < TXG_SIZE; t++) {
if (txg_list_member(&dp->dp_dirty_zilogs, zilog, t))
return (B_TRUE);
}
@ -1872,7 +1871,6 @@ zilog_t *
zil_alloc(objset_t *os, zil_header_t *zh_phys)
{
zilog_t *zilog;
int i;
zilog = kmem_zalloc(sizeof (zilog_t), KM_SLEEP);
@ -1887,7 +1885,7 @@ zil_alloc(objset_t *os, zil_header_t *zh_phys)
mutex_init(&zilog->zl_lock, NULL, MUTEX_DEFAULT, NULL);
for (i = 0; i < TXG_SIZE; i++) {
for (int i = 0; i < TXG_SIZE; i++) {
mutex_init(&zilog->zl_itxg[i].itxg_lock, NULL,
MUTEX_DEFAULT, NULL);
}

84
module/zfs/zio.c
View File

@ -560,7 +560,6 @@ void
zio_add_child(zio_t *pio, zio_t *cio)
{
zio_link_t *zl = kmem_cache_alloc(zio_link_cache, KM_SLEEP);
int w;
/*
* Logical I/Os can have logical, gang, or vdev children.
@ -578,7 +577,7 @@ zio_add_child(zio_t *pio, zio_t *cio)
ASSERT(pio->io_state[ZIO_WAIT_DONE] == 0);
for (w = 0; w < ZIO_WAIT_TYPES; w++)
for (int w = 0; w < ZIO_WAIT_TYPES; w++)
pio->io_children[cio->io_child_type][w] += !cio->io_state[w];
list_insert_head(&pio->io_child_list, zl);
@ -831,8 +830,6 @@ zio_root(spa_t *spa, zio_done_func_t *done, void *private, enum zio_flag flags)
void
zfs_blkptr_verify(spa_t *spa, const blkptr_t *bp)
{
int i;
if (!DMU_OT_IS_VALID(BP_GET_TYPE(bp))) {
zfs_panic_recover("blkptr at %p has invalid TYPE %llu",
bp, (longlong_t)BP_GET_TYPE(bp));
@ -871,17 +868,16 @@ zfs_blkptr_verify(spa_t *spa, const blkptr_t *bp)
* allows the birth time of log blocks (and dmu_sync()-ed blocks
* that are in the log) to be arbitrarily large.
*/
for (i = 0; i < BP_GET_NDVAS(bp); i++) {
for (int i = 0; i < BP_GET_NDVAS(bp); i++) {
uint64_t vdevid = DVA_GET_VDEV(&bp->blk_dva[i]);
vdev_t *vd;
uint64_t offset, asize;
if (vdevid >= spa->spa_root_vdev->vdev_children) {
zfs_panic_recover("blkptr at %p DVA %u has invalid "
"VDEV %llu",
bp, i, (longlong_t)vdevid);
continue;
}
vd = spa->spa_root_vdev->vdev_child[vdevid];
vdev_t *vd = spa->spa_root_vdev->vdev_child[vdevid];
if (vd == NULL) {
zfs_panic_recover("blkptr at %p DVA %u has invalid "
"VDEV %llu",
@ -902,8 +898,8 @@ zfs_blkptr_verify(spa_t *spa, const blkptr_t *bp)
*/
continue;
}
offset = DVA_GET_OFFSET(&bp->blk_dva[i]);
asize = DVA_GET_ASIZE(&bp->blk_dva[i]);
uint64_t offset = DVA_GET_OFFSET(&bp->blk_dva[i]);
uint64_t asize = DVA_GET_ASIZE(&bp->blk_dva[i]);
if (BP_IS_GANG(bp))
asize = vdev_psize_to_asize(vd, SPA_GANGBLOCKSIZE);
if (offset + asize > vd->vdev_asize) {
@ -1501,11 +1497,8 @@ zio_write_compress(zio_t *zio)
* in that we charge for the padding used to fill out
* the last sector.
*/
size_t rounded;
ASSERT3U(spa->spa_min_ashift, >=, SPA_MINBLOCKSHIFT);
rounded = (size_t)P2ROUNDUP(psize,
size_t rounded = (size_t)P2ROUNDUP(psize,
1ULL << spa->spa_min_ashift);
if (rounded >= lsize) {
compress = ZIO_COMPRESS_OFF;
@ -1545,8 +1538,8 @@ zio_write_compress(zio_t *zio)
if (!BP_IS_HOLE(bp) && bp->blk_birth == zio->io_txg &&
BP_GET_PSIZE(bp) == psize &&
pass >= zfs_sync_pass_rewrite) {
enum zio_stage gang_stages = zio->io_pipeline & ZIO_GANG_STAGES;
ASSERT(psize != 0);
enum zio_stage gang_stages = zio->io_pipeline & ZIO_GANG_STAGES;
zio->io_pipeline = ZIO_REWRITE_PIPELINE | gang_stages;
zio->io_flags |= ZIO_FLAG_IO_REWRITE;
} else {
@ -1654,9 +1647,8 @@ zio_taskq_member(zio_t *zio, zio_taskq_type_t q)
{
kthread_t *executor = zio->io_executor;
spa_t *spa = zio->io_spa;
zio_type_t t;
for (t = 0; t < ZIO_TYPES; t++) {
for (zio_type_t t = 0; t < ZIO_TYPES; t++) {
spa_taskqs_t *tqs = &spa->spa_zio_taskq[t][q];
uint_t i;
for (i = 0; i < tqs->stqs_count; i++) {
@ -1940,8 +1932,6 @@ static void
zio_reexecute(zio_t *pio)
{
zio_t *cio, *cio_next;
int c, w;
zio_link_t *zl = NULL;
ASSERT(pio->io_child_type == ZIO_CHILD_LOGICAL);
ASSERT(pio->io_orig_stage == ZIO_STAGE_OPEN);
@ -1955,9 +1945,9 @@ zio_reexecute(zio_t *pio)
pio->io_flags |= ZIO_FLAG_REEXECUTED;
pio->io_pipeline_trace = 0;
pio->io_error = 0;
for (w = 0; w < ZIO_WAIT_TYPES; w++)
for (int w = 0; w < ZIO_WAIT_TYPES; w++)
pio->io_state[w] = 0;
for (c = 0; c < ZIO_CHILD_TYPES; c++)
for (int c = 0; c < ZIO_CHILD_TYPES; c++)
pio->io_child_error[c] = 0;
if (IO_IS_ALLOCATING(pio))
@ -1970,10 +1960,11 @@ zio_reexecute(zio_t *pio)
* the remainder of pio's io_child_list, from 'cio_next' onward,
* cannot be affected by any side effects of reexecuting 'cio'.
*/
zio_link_t *zl = NULL;
for (cio = zio_walk_children(pio, &zl); cio != NULL; cio = cio_next) {
cio_next = zio_walk_children(pio, &zl);
mutex_enter(&pio->io_lock);
for (w = 0; w < ZIO_WAIT_TYPES; w++)
for (int w = 0; w < ZIO_WAIT_TYPES; w++)
pio->io_children[cio->io_child_type][w]++;
mutex_exit(&pio->io_lock);
zio_reexecute(cio);
@ -2234,9 +2225,8 @@ static void
zio_gang_node_free(zio_gang_node_t **gnpp)
{
zio_gang_node_t *gn = *gnpp;
int g;
for (g = 0; g < SPA_GBH_NBLKPTRS; g++)
for (int g = 0; g < SPA_GBH_NBLKPTRS; g++)
ASSERT(gn->gn_child[g] == NULL);
zio_buf_free(gn->gn_gbh, SPA_GANGBLOCKSIZE);
@ -2248,12 +2238,11 @@ static void
zio_gang_tree_free(zio_gang_node_t **gnpp)
{
zio_gang_node_t *gn = *gnpp;
int g;
if (gn == NULL)
return;
for (g = 0; g < SPA_GBH_NBLKPTRS; g++)
for (int g = 0; g < SPA_GBH_NBLKPTRS; g++)
zio_gang_tree_free(&gn->gn_child[g]);
zio_gang_node_free(gnpp);
@ -2279,7 +2268,6 @@ zio_gang_tree_assemble_done(zio_t *zio)
zio_t *gio = zio->io_gang_leader;
zio_gang_node_t *gn = zio->io_private;
blkptr_t *bp = zio->io_bp;
int g;
ASSERT(gio == zio_unique_parent(zio));
ASSERT(zio->io_child_count == 0);
@ -2297,7 +2285,7 @@ zio_gang_tree_assemble_done(zio_t *zio)
abd_put(zio->io_abd);
for (g = 0; g < SPA_GBH_NBLKPTRS; g++) {
for (int g = 0; g < SPA_GBH_NBLKPTRS; g++) {
blkptr_t *gbp = &gn->gn_gbh->zg_blkptr[g];
if (!BP_IS_GANG(gbp))
continue;
@ -2311,7 +2299,6 @@ zio_gang_tree_issue(zio_t *pio, zio_gang_node_t *gn, blkptr_t *bp, abd_t *data,
{
zio_t *gio = pio->io_gang_leader;
zio_t *zio;
int g;
ASSERT(BP_IS_GANG(bp) == !!gn);
ASSERT(BP_GET_CHECKSUM(bp) == BP_GET_CHECKSUM(gio->io_bp));
@ -2326,7 +2313,7 @@ zio_gang_tree_issue(zio_t *pio, zio_gang_node_t *gn, blkptr_t *bp, abd_t *data,
if (gn != NULL) {
ASSERT(gn->gn_gbh->zg_tail.zec_magic == ZEC_MAGIC);
for (g = 0; g < SPA_GBH_NBLKPTRS; g++) {
for (int g = 0; g < SPA_GBH_NBLKPTRS; g++) {
blkptr_t *gbp = &gn->gn_gbh->zg_blkptr[g];
if (BP_IS_HOLE(gbp))
continue;
@ -2387,7 +2374,6 @@ zio_write_gang_member_ready(zio_t *zio)
dva_t *cdva = zio->io_bp->blk_dva;
dva_t *pdva = pio->io_bp->blk_dva;
uint64_t asize;
int d;
ASSERTV(zio_t *gio = zio->io_gang_leader);
if (BP_IS_HOLE(zio->io_bp))
@ -2402,7 +2388,7 @@ zio_write_gang_member_ready(zio_t *zio)
ASSERT3U(BP_GET_NDVAS(zio->io_bp), <=, BP_GET_NDVAS(pio->io_bp));
mutex_enter(&pio->io_lock);
for (d = 0; d < BP_GET_NDVAS(zio->io_bp); d++) {
for (int d = 0; d < BP_GET_NDVAS(zio->io_bp); d++) {
ASSERT(DVA_GET_GANG(&pdva[d]));
asize = DVA_GET_ASIZE(&pdva[d]);
asize += DVA_GET_ASIZE(&cdva[d]);
@ -2434,8 +2420,7 @@ zio_write_gang_block(zio_t *pio)
int copies = gio->io_prop.zp_copies;
int gbh_copies;
zio_prop_t zp;
int g, error;
int flags = METASLAB_HINTBP_FAVOR | METASLAB_GANG_HEADER;
int error;
/*
* encrypted blocks need DVA[2] free so encrypted gang headers can't
@ -2445,6 +2430,7 @@ zio_write_gang_block(zio_t *pio)
if (gio->io_prop.zp_encrypt && gbh_copies >= SPA_DVAS_PER_BP)
gbh_copies = SPA_DVAS_PER_BP - 1;
int flags = METASLAB_HINTBP_FAVOR | METASLAB_GANG_HEADER;
if (pio->io_flags & ZIO_FLAG_IO_ALLOCATING) {
ASSERT(pio->io_priority == ZIO_PRIORITY_ASYNC_WRITE);
ASSERT(!(pio->io_flags & ZIO_FLAG_NODATA));
@ -2509,9 +2495,7 @@ zio_write_gang_block(zio_t *pio)
/*
* Create and nowait the gang children.
*/
for (g = 0; resid != 0; resid -= lsize, g++) {
zio_t *cio;
for (int g = 0; resid != 0; resid -= lsize, g++) {
lsize = P2ROUNDUP(resid / (SPA_GBH_NBLKPTRS - g),
SPA_MINBLOCKSIZE);
ASSERT(lsize >= SPA_MINBLOCKSIZE && lsize <= resid);
@ -2530,7 +2514,7 @@ zio_write_gang_block(zio_t *pio)
bzero(zp.zp_iv, ZIO_DATA_IV_LEN);
bzero(zp.zp_mac, ZIO_DATA_MAC_LEN);
cio = zio_write(zio, spa, txg, &gbh->zg_blkptr[g],
zio_t *cio = zio_write(zio, spa, txg, &gbh->zg_blkptr[g],
abd_get_offset(pio->io_abd, pio->io_size - resid), lsize,
lsize, &zp, zio_write_gang_member_ready, NULL, NULL,
zio_write_gang_done, &gn->gn_child[g], pio->io_priority,
@ -2664,7 +2648,6 @@ static int
zio_ddt_read_start(zio_t *zio)
{
blkptr_t *bp = zio->io_bp;
int p;
ASSERT(BP_GET_DEDUP(bp));
ASSERT(BP_GET_PSIZE(bp) == zio->io_size);
@ -2683,7 +2666,7 @@ zio_ddt_read_start(zio_t *zio)
if (ddp_self == NULL)
return (ZIO_PIPELINE_CONTINUE);
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
if (ddp->ddp_phys_birth == 0 || ddp == ddp_self)
continue;
ddt_bp_create(ddt->ddt_checksum, &dde->dde_key, ddp,
@ -2746,7 +2729,6 @@ static boolean_t
zio_ddt_collision(zio_t *zio, ddt_t *ddt, ddt_entry_t *dde)
{
spa_t *spa = zio->io_spa;
int p;
boolean_t do_raw = !!(zio->io_flags & ZIO_FLAG_RAW);
ASSERT(!(zio->io_bp_override && do_raw));
@ -2763,7 +2745,7 @@ zio_ddt_collision(zio_t *zio, ddt_t *ddt, ddt_entry_t *dde)
* loaded).
*/
for (p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) {
for (int p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) {
zio_t *lio = dde->dde_lead_zio[p];
if (lio != NULL && do_raw) {
@ -2775,7 +2757,7 @@ zio_ddt_collision(zio_t *zio, ddt_t *ddt, ddt_entry_t *dde)
}
}
for (p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) {
for (int p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) {
ddt_phys_t *ddp = &dde->dde_phys[p];
if (ddp->ddp_phys_birth != 0 && do_raw) {
@ -2848,7 +2830,6 @@ zio_ddt_child_write_ready(zio_t *zio)
ddt_entry_t *dde = zio->io_private;
ddt_phys_t *ddp = &dde->dde_phys[p];
zio_t *pio;
zio_link_t *zl;
if (zio->io_error)
return;
@ -2859,7 +2840,7 @@ zio_ddt_child_write_ready(zio_t *zio)
ddt_phys_fill(ddp, zio->io_bp);
zl = NULL;
zio_link_t *zl = NULL;
while ((pio = zio_walk_parents(zio, &zl)) != NULL)
ddt_bp_fill(ddp, pio->io_bp, zio->io_txg);
@ -2895,12 +2876,12 @@ static void
zio_ddt_ditto_write_done(zio_t *zio)
{
int p = DDT_PHYS_DITTO;
ASSERTV(zio_prop_t *zp = &zio->io_prop);
blkptr_t *bp = zio->io_bp;
ddt_t *ddt = ddt_select(zio->io_spa, bp);
ddt_entry_t *dde = zio->io_private;
ddt_phys_t *ddp = &dde->dde_phys[p];
ddt_key_t *ddk = &dde->dde_key;
ASSERTV(zio_prop_t *zp = &zio->io_prop);
ddt_enter(ddt);
@ -3225,8 +3206,6 @@ zio_dva_claim(zio_t *zio)
static void
zio_dva_unallocate(zio_t *zio, zio_gang_node_t *gn, blkptr_t *bp)
{
int g;
ASSERT(bp->blk_birth == zio->io_txg || BP_IS_HOLE(bp));
ASSERT(zio->io_bp_override == NULL);
@ -3234,7 +3213,7 @@ zio_dva_unallocate(zio_t *zio, zio_gang_node_t *gn, blkptr_t *bp)
metaslab_free(zio->io_spa, bp, bp->blk_birth, B_TRUE);
if (gn != NULL) {
for (g = 0; g < SPA_GBH_NBLKPTRS; g++) {
for (int g = 0; g < SPA_GBH_NBLKPTRS; g++) {
zio_dva_unallocate(zio, gn->gn_child[g],
&gn->gn_gbh->zg_blkptr[g]);
}
@ -3955,10 +3934,10 @@ zio_ready(zio_t *zio)
static void
zio_dva_throttle_done(zio_t *zio)
{
ASSERTV(zio_t *lio = zio->io_logical);
zio_t *pio = zio_unique_parent(zio);
vdev_t *vd = zio->io_vd;
int flags = METASLAB_ASYNC_ALLOC;
ASSERTV(zio_t *lio = zio->io_logical);
ASSERT3P(zio->io_bp, !=, NULL);
ASSERT3U(zio->io_type, ==, ZIO_TYPE_WRITE);
@ -4019,7 +3998,6 @@ zio_done(zio_t *zio)
*/
const uint64_t psize = zio->io_size;
zio_t *pio, *pio_next;
int c, w;
zio_link_t *zl = NULL;
/*
@ -4059,8 +4037,8 @@ zio_done(zio_t *zio)
}
for (c = 0; c < ZIO_CHILD_TYPES; c++)
for (w = 0; w < ZIO_WAIT_TYPES; w++)
for (int c = 0; c < ZIO_CHILD_TYPES; c++)
for (int w = 0; w < ZIO_WAIT_TYPES; w++)
ASSERT(zio->io_children[c][w] == 0);
if (zio->io_bp != NULL && !BP_IS_EMBEDDED(zio->io_bp)) {

5
module/zfs/zio_checksum.c
View File

@ -553,9 +553,8 @@ zio_checksum_error(zio_t *zio, zio_bad_cksum_t *info)
void
zio_checksum_templates_free(spa_t *spa)
{
enum zio_checksum checksum;
for (checksum = 0; checksum < ZIO_CHECKSUM_FUNCTIONS;
checksum++) {
for (enum zio_checksum checksum = 0;
checksum < ZIO_CHECKSUM_FUNCTIONS; checksum++) {
if (spa->spa_cksum_tmpls[checksum] != NULL) {
zio_checksum_info_t *ci = &zio_checksum_table[checksum];

7
module/zfs/zio_compress.c
View File

@ -89,9 +89,7 @@ static int
zio_compress_zeroed_cb(void *data, size_t len, void *private)
{
uint64_t *end = (uint64_t *)((char *)data + len);
uint64_t *word;
for (word = data; word < end; word++)
for (uint64_t *word = (uint64_t *)data; word < end; word++)
if (*word != 0)
return (1);
@ -103,7 +101,6 @@ zio_compress_data(enum zio_compress c, abd_t *src, void *dst, size_t s_len)
{
size_t c_len, d_len;
zio_compress_info_t *ci = &zio_compress_table[c];
void *tmp;
ASSERT((uint_t)c < ZIO_COMPRESS_FUNCTIONS);
ASSERT((uint_t)c == ZIO_COMPRESS_EMPTY || ci->ci_compress != NULL);
@ -122,7 +119,7 @@ zio_compress_data(enum zio_compress c, abd_t *src, void *dst, size_t s_len)
d_len = s_len - (s_len >> 3);
/* No compression algorithms can read from ABDs directly */
tmp = abd_borrow_buf_copy(src, s_len);
void *tmp = abd_borrow_buf_copy(src, s_len);
c_len = ci->ci_compress(tmp, dst, s_len, d_len, ci->ci_level);
abd_return_buf(src, tmp, s_len);

12
module/zfs/zio_inject.c
View File

@ -472,10 +472,6 @@ zio_handle_io_delay(zio_t *zio)
vdev_t *vd = zio->io_vd;
inject_handler_t *min_handler = NULL;
hrtime_t min_target = 0;
inject_handler_t *handler;
hrtime_t idle;
hrtime_t busy;
hrtime_t target;
rw_enter(&inject_lock, RW_READER);
@ -528,7 +524,7 @@ zio_handle_io_delay(zio_t *zio)
*/
mutex_enter(&inject_delay_mtx);
for (handler = list_head(&inject_handlers);
for (inject_handler_t *handler = list_head(&inject_handlers);
handler != NULL; handler = list_next(&inject_handlers, handler)) {
if (handler->zi_record.zi_cmd != ZINJECT_DELAY_IO)
continue;
@ -580,10 +576,10 @@ zio_handle_io_delay(zio_t *zio)
* each lane will become idle, we use that value to
* determine when this request should complete.
*/
idle = handler->zi_record.zi_timer + gethrtime();
busy = handler->zi_record.zi_timer +
hrtime_t idle = handler->zi_record.zi_timer + gethrtime();
hrtime_t busy = handler->zi_record.zi_timer +
handler->zi_lanes[handler->zi_next_lane];
target = MAX(idle, busy);
hrtime_t target = MAX(idle, busy);
if (min_handler == NULL) {
min_handler = handler;

4
module/zfs/zrlock.c
View File

@ -157,11 +157,9 @@ zrl_exit(zrlock_t *zrl)
int
zrl_refcount(zrlock_t *zrl)
{
int n;
ASSERT3S(zrl->zr_refcount, >, ZRL_DESTROYED);
n = (int)zrl->zr_refcount;
int n = (int)zrl->zr_refcount;
return (n <= 0 ? 0 : n);
}