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Fix gcc c90 compliance warnings

Browse Source 
Fix non-c90 compliant code, for the most part these changes
simply deal with where a particular variable is declared.
Under c90 it must alway be done at the very start of a block.

Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
This commit is contained in:
Brian Behlendorf 2010-08-26 09:52:39 -07:00
parent c5b3a7bbcc
commit d6320ddb78
31 changed files with 475 additions and 262 deletions
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56
cmd/zdb/zdb.c
View File

@ -645,8 +645,9 @@ dump_dde(const ddt_t *ddt, const ddt_entry_t *dde, uint64_t index)
char *types[4] = { "ditto", "single", "double", "triple" };
char blkbuf[BP_SPRINTF_LEN];
blkptr_t blk;
int p;
for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
if (ddp->ddp_phys_birth == 0)
continue;
ddt_bp_create(ddt->ddt_checksum, ddk, ddp, &blk);
@ -733,13 +734,19 @@ dump_ddt(ddt_t *ddt, enum ddt_type type, enum ddt_class class)
static void
dump_all_ddts(spa_t *spa)
{
ddt_histogram_t ddh_total = { 0 };
ddt_stat_t dds_total = { 0 };
ddt_histogram_t ddh_total;
ddt_stat_t dds_total;
enum zio_checksum c;
enum ddt_type type;
enum ddt_class class;
for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
bzero(&ddh_total, sizeof (ddt_histogram_t));
bzero(&dds_total, sizeof (ddt_stat_t));
for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
ddt_t *ddt = spa->spa_ddt[c];
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (enum ddt_class class = 0; class < DDT_CLASSES;
for (type = 0; type < DDT_TYPES; type++) {
for (class = 0; class < DDT_CLASSES;
class++) {
dump_ddt(ddt, type, class);
}
@ -783,6 +790,7 @@ dump_dtl(vdev_t *vd, int indent)
boolean_t required;
char *name[DTL_TYPES] = { "missing", "partial", "scrub", "outage" };
char prefix[256];
int c, t;
spa_vdev_state_enter(spa, SCL_NONE);
required = vdev_dtl_required(vd);
@ -796,7 +804,7 @@ dump_dtl(vdev_t *vd, int indent)
vd->vdev_parent ? vd->vdev_ops->vdev_op_type : spa_name(spa),
required ? "DTL-required" : "DTL-expendable");
for (int t = 0; t < DTL_TYPES; t++) {
for (t = 0; t < DTL_TYPES; t++) {
space_map_t *sm = &vd->vdev_dtl[t];
if (sm->sm_space == 0)
continue;
@ -810,7 +818,7 @@ dump_dtl(vdev_t *vd, int indent)
&vd->vdev_dtl_smo, sm);
}
for (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
dump_dtl(vd->vdev_child[c], indent + 4);
}
@ -826,6 +834,7 @@ dump_history(spa_t *spa)
struct tm t;
char tbuf[30];
char internalstr[MAXPATHLEN];
int i;
do {
len = sizeof (buf);
@ -843,7 +852,7 @@ dump_history(spa_t *spa)
} while (len != 0);
(void) printf("\nHistory:\n");
for (int i = 0; i < num; i++) {
for (i = 0; i < num; i++) {
uint64_t time, txg, ievent;
char *cmd, *intstr;
@ -904,6 +913,7 @@ sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
{
const dva_t *dva = bp->blk_dva;
int ndvas = dump_opt['d'] > 5 ? BP_GET_NDVAS(bp) : 1;
int i;
if (dump_opt['b'] >= 5) {
sprintf_blkptr(blkbuf, bp);
@ -912,7 +922,7 @@ sprintf_blkptr_compact(char *blkbuf, const blkptr_t *bp)
blkbuf[0] = '\0';
for (int i = 0; i < ndvas; i++)
for (i = 0; i < ndvas; i++)
(void) sprintf(blkbuf + strlen(blkbuf), "%llu:%llx:%llx ",
(u_longlong_t)DVA_GET_VDEV(&dva[i]),
(u_longlong_t)DVA_GET_OFFSET(&dva[i]),
@ -1751,11 +1761,12 @@ dump_label_uberblocks(vdev_label_t *lbl, uint64_t ashift)
vdev_t vd;
vdev_t *vdp = &vd;
char header[ZDB_MAX_UB_HEADER_SIZE];
int i;
vd.vdev_ashift = ashift;
vdp->vdev_top = vdp;
for (int i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
for (i = 0; i < VDEV_UBERBLOCK_COUNT(vdp); i++) {
uint64_t uoff = VDEV_UBERBLOCK_OFFSET(vdp, i);
uberblock_t *ub = (void *)((char *)lbl + uoff);
@ -1777,6 +1788,7 @@ dump_label(const char *dev)
struct stat64 statbuf;
uint64_t psize, ashift;
int len = strlen(dev) + 1;
int l;
if (strncmp(dev, "/dev/dsk/", 9) == 0) {
len++;
@ -1811,7 +1823,7 @@ dump_label(const char *dev)
psize = statbuf.st_size;
psize = P2ALIGN(psize, (uint64_t)sizeof (vdev_label_t));
for (int l = 0; l < VDEV_LABELS; l++) {
for (l = 0; l < VDEV_LABELS; l++) {
nvlist_t *config = NULL;
(void) printf("--------------------------------------------\n");
@ -1905,13 +1917,14 @@ zdb_count_block(zdb_cb_t *zcb, zilog_t *zilog, const blkptr_t *bp,
dmu_object_type_t type)
{
uint64_t refcnt = 0;
int i;
ASSERT(type < ZDB_OT_TOTAL);
if (zilog && zil_bp_tree_add(zilog, bp) != 0)
return;
for (int i = 0; i < 4; i++) {
for (i = 0; i < 4; i++) {
int l = (i < 2) ? BP_GET_LEVEL(bp) : ZB_TOTAL;
int t = (i & 1) ? type : ZDB_OT_TOTAL;
zdb_blkstats_t *zb = &zcb->zcb_type[l][t];
@ -2063,6 +2076,7 @@ zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
ddt_bookmark_t ddb = { 0 };
ddt_entry_t dde;
int error;
int p;
while ((error = ddt_walk(spa, &ddb, &dde)) == 0) {
blkptr_t blk;
@ -2073,7 +2087,7 @@ zdb_ddt_leak_init(spa_t *spa, zdb_cb_t *zcb)
ASSERT(ddt_phys_total_refcnt(&dde) > 1);
for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
if (ddp->ddp_phys_birth == 0)
continue;
ddt_bp_create(ddb.ddb_checksum,
@ -2101,12 +2115,13 @@ static void
zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
{
zcb->zcb_spa = spa;
int c, m;
if (!dump_opt['L']) {
vdev_t *rvd = spa->spa_root_vdev;
for (int c = 0; c < rvd->vdev_children; c++) {
for (c = 0; c < rvd->vdev_children; c++) {
vdev_t *vd = rvd->vdev_child[c];
for (int m = 0; m < vd->vdev_ms_count; m++) {
for (m = 0; m < vd->vdev_ms_count; m++) {
metaslab_t *msp = vd->vdev_ms[m];
mutex_enter(&msp->ms_lock);
space_map_unload(&msp->ms_map);
@ -2129,11 +2144,13 @@ zdb_leak_init(spa_t *spa, zdb_cb_t *zcb)
static void
zdb_leak_fini(spa_t *spa)
{
int c, m;
if (!dump_opt['L']) {
vdev_t *rvd = spa->spa_root_vdev;
for (int c = 0; c < rvd->vdev_children; c++) {
for (c = 0; c < rvd->vdev_children; c++) {
vdev_t *vd = rvd->vdev_child[c];
for (int m = 0; m < vd->vdev_ms_count; m++) {
for (m = 0; m < vd->vdev_ms_count; m++) {
metaslab_t *msp = vd->vdev_ms[m];
mutex_enter(&msp->ms_lock);
space_map_unload(&msp->ms_map);
@ -2167,6 +2184,7 @@ dump_block_stats(spa_t *spa)
uint64_t norm_alloc, norm_space, total_alloc, total_found;
int flags = TRAVERSE_PRE | TRAVERSE_PREFETCH_METADATA | TRAVERSE_HARD;
int leaks = 0;
int e;
(void) printf("\nTraversing all blocks %s%s%s%s%s...\n",
(dump_opt['c'] || !dump_opt['L']) ? "to verify " : "",
@ -2201,7 +2219,7 @@ dump_block_stats(spa_t *spa)
if (zcb.zcb_haderrors) {
(void) printf("\nError counts:\n\n");
(void) printf("\t%5s %s\n", "errno", "count");
for (int e = 0; e < 256; e++) {
for (e = 0; e < 256; e++) {
if (zcb.zcb_errors[e] != 0) {
(void) printf("\t%5d %llu\n",
e, (u_longlong_t)zcb.zcb_errors[e]);

2
cmd/zfs/zfs_main.c
View File

@ -3238,7 +3238,7 @@ append_options(char *mntopts, char *newopts)
/* original length plus new string to append plus 1 for the comma */
if (len + 1 + strlen(newopts) >= MNT_LINE_MAX) {
(void) fprintf(stderr, gettext("the opts argument for "
"'%c' option is too long (more than %d chars)\n"),
"'%s' option is too long (more than %d chars)\n"),
"-o", MNT_LINE_MAX);
usage(B_FALSE);
}

66
cmd/ztest/ztest.c
View File

@ -979,25 +979,28 @@ ztest_zd_init(ztest_ds_t *zd, objset_t *os)
zd->zd_zilog = dmu_objset_zil(os);
zd->zd_seq = 0;
dmu_objset_name(os, zd->zd_name);
int l;
VERIFY(_mutex_init(&zd->zd_dirobj_lock, USYNC_THREAD, NULL) == 0);
for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++)
for (l = 0; l < ZTEST_OBJECT_LOCKS; l++)
ztest_rll_init(&zd->zd_object_lock[l]);
for (int l = 0; l < ZTEST_RANGE_LOCKS; l++)
for (l = 0; l < ZTEST_RANGE_LOCKS; l++)
ztest_rll_init(&zd->zd_range_lock[l]);
}
static void
ztest_zd_fini(ztest_ds_t *zd)
{
int l;
VERIFY(_mutex_destroy(&zd->zd_dirobj_lock) == 0);
for (int l = 0; l < ZTEST_OBJECT_LOCKS; l++)
for (l = 0; l < ZTEST_OBJECT_LOCKS; l++)
ztest_rll_destroy(&zd->zd_object_lock[l]);
for (int l = 0; l < ZTEST_RANGE_LOCKS; l++)
for (l = 0; l < ZTEST_RANGE_LOCKS; l++)
ztest_rll_destroy(&zd->zd_range_lock[l]);
}
@ -1731,10 +1734,11 @@ ztest_lookup(ztest_ds_t *zd, ztest_od_t *od, int count)
{
int missing = 0;
int error;
int i;
ASSERT(_mutex_held(&zd->zd_dirobj_lock));
for (int i = 0; i < count; i++, od++) {
for (i = 0; i < count; i++, od++) {
od->od_object = 0;
error = zap_lookup(zd->zd_os, od->od_dir, od->od_name,
sizeof (uint64_t), 1, &od->od_object);
@ -1771,10 +1775,11 @@ static int
ztest_create(ztest_ds_t *zd, ztest_od_t *od, int count)
{
int missing = 0;
int i;
ASSERT(_mutex_held(&zd->zd_dirobj_lock));
for (int i = 0; i < count; i++, od++) {
for (i = 0; i < count; i++, od++) {
if (missing) {
od->od_object = 0;
missing++;
@ -1816,12 +1821,13 @@ ztest_remove(ztest_ds_t *zd, ztest_od_t *od, int count)
{
int missing = 0;
int error;
int i;
ASSERT(_mutex_held(&zd->zd_dirobj_lock));
od += count - 1;
for (int i = count - 1; i >= 0; i--, od--) {
for (i = count - 1; i >= 0; i--, od--) {
if (missing) {
missing++;
continue;
@ -2108,11 +2114,12 @@ static vdev_t *
vdev_lookup_by_path(vdev_t *vd, const char *path)
{
vdev_t *mvd;
int c;
if (vd->vdev_path != NULL && strcmp(path, vd->vdev_path) == 0)
return (vd);
for (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
if ((mvd = vdev_lookup_by_path(vd->vdev_child[c], path)) !=
NULL)
return (mvd);
@ -2662,6 +2669,8 @@ online_vdev(vdev_t *vd, void *arg)
vdev_t *
vdev_walk_tree(vdev_t *vd, vdev_t *(*func)(vdev_t *, void *), void *arg)
{
uint_t c;
if (vd->vdev_ops->vdev_op_leaf) {
if (func == NULL)
return (vd);
@ -2669,7 +2678,7 @@ vdev_walk_tree(vdev_t *vd, vdev_t *(*func)(vdev_t *, void *), void *arg)
return (func(vd, arg));
}
for (uint_t c = 0; c < vd->vdev_children; c++) {
for (c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
if ((cvd = vdev_walk_tree(cvd, func, arg)) != NULL)
return (cvd);
@ -2914,6 +2923,7 @@ ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64_t id)
objset_t *os, *os2;
char name[MAXNAMELEN];
zilog_t *zilog;
int i;
(void) rw_rdlock(&zs->zs_name_lock);
@ -2974,7 +2984,7 @@ ztest_dmu_objset_create_destroy(ztest_ds_t *zd, uint64_t id)
* and randomly take a couple of snapshots along the way.
*/
iters = ztest_random(5);
for (int i = 0; i < iters; i++) {
for (i = 0; i < iters; i++) {
ztest_dmu_object_alloc_free(&zdtmp, id);
if (ztest_random(iters) == 0)
(void) ztest_snapshot_create(name, i);
@ -3163,8 +3173,9 @@ ztest_dmu_object_alloc_free(ztest_ds_t *zd, uint64_t id)
{
ztest_od_t od[4];
int batchsize = sizeof (od) / sizeof (od[0]);
int b;
for (int b = 0; b < batchsize; b++)
for (b = 0; b < batchsize; b++)
ztest_od_init(&od[b], id, FTAG, b, DMU_OT_UINT64_OTHER, 0, 0);
/*
@ -3880,6 +3891,7 @@ ztest_fzap(ztest_ds_t *zd, uint64_t id)
objset_t *os = zd->zd_os;
ztest_od_t od[1];
uint64_t object, txg;
int i;
ztest_od_init(&od[0], id, FTAG, 0, DMU_OT_ZAP_OTHER, 0, 0);
@ -3893,7 +3905,7 @@ ztest_fzap(ztest_ds_t *zd, uint64_t id)
* and gets upgraded to a fatzap. Also, since we are adding
* 2050 entries we should see ptrtbl growth and leaf-block split.
*/
for (int i = 0; i < 2050; i++) {
for (i = 0; i < 2050; i++) {
char name[MAXNAMELEN];
uint64_t value = i;
dmu_tx_t *tx;
@ -4240,10 +4252,11 @@ ztest_dsl_prop_get_set(ztest_ds_t *zd, uint64_t id)
ZFS_PROP_DEDUP
};
ztest_shared_t *zs = ztest_shared;
int p;
(void) rw_rdlock(&zs->zs_name_lock);
for (int p = 0; p < sizeof (proplist) / sizeof (proplist[0]); p++)
for (p = 0; p < sizeof (proplist) / sizeof (proplist[0]); p++)
(void) ztest_dsl_prop_set_uint64(zd->zd_name, proplist[p],
ztest_random_dsl_prop(proplist[p]), (int)ztest_random(2));
@ -4580,6 +4593,7 @@ ztest_ddt_repair(ztest_ds_t *zd, uint64_t id)
void *buf;
blkptr_t blk;
int copies = 2 * ZIO_DEDUPDITTO_MIN;
int i;
blocksize = ztest_random_blocksize();
blocksize = MIN(blocksize, 2048); /* because we write so many */
@ -4620,7 +4634,7 @@ ztest_ddt_repair(ztest_ds_t *zd, uint64_t id)
/*
* Write all the copies of our block.
*/
for (int i = 0; i < copies; i++) {
for (i = 0; i < copies; i++) {
uint64_t offset = i * blocksize;
VERIFY(dmu_buf_hold(os, object, offset, FTAG, &db,
DMU_READ_NO_PREFETCH) == 0);
@ -4924,8 +4938,9 @@ ztest_execute(ztest_info_t *zi, uint64_t id)
ztest_shared_t *zs = ztest_shared;
ztest_ds_t *zd = &zs->zs_zd[id % zopt_datasets];
hrtime_t functime = gethrtime();
int i;
for (int i = 0; i < zi->zi_iters; i++)
for (i = 0; i < zi->zi_iters; i++)
zi->zi_func(zd, id);
functime = gethrtime() - functime;
@ -4988,6 +5003,7 @@ static void
ztest_dataset_destroy(ztest_shared_t *zs, int d)
{
char name[MAXNAMELEN];
int t;
ztest_dataset_name(name, zs->zs_pool, d);
@ -4999,7 +5015,7 @@ ztest_dataset_destroy(ztest_shared_t *zs, int d)
* ztest thread t operates on dataset (t % zopt_datasets),
* so there may be more than one thing to clean up.
*/
for (int t = d; t < zopt_threads; t += zopt_datasets)
for (t = d; t < zopt_threads; t += zopt_datasets)
ztest_dsl_dataset_cleanup(name, t);
(void) dmu_objset_find(name, ztest_objset_destroy_cb, NULL,
@ -5105,6 +5121,7 @@ ztest_run(ztest_shared_t *zs)
spa_t *spa;
thread_t resume_tid;
int error;
int t, d;
ztest_exiting = B_FALSE;
@ -5163,8 +5180,8 @@ ztest_run(ztest_shared_t *zs)
* we probe a 5-wide window around each power of two.
* This hits all edge cases, including zero and the max.
*/
for (int t = 0; t < 64; t++) {
for (int d = -5; d <= 5; d++) {
for (t = 0; t < 64; t++) {
for (d = -5; d <= 5; d++) {
error = dmu_object_info(spa->spa_meta_objset,
(1ULL << t) + d, NULL);
ASSERT(error == 0 || error == ENOENT ||
@ -5189,7 +5206,7 @@ ztest_run(ztest_shared_t *zs)
/*
* Kick off all the tests that run in parallel.
*/
for (int t = 0; t < zopt_threads; t++) {
for (t = 0; t < zopt_threads; t++) {
if (t < zopt_datasets && ztest_dataset_open(zs, t) != 0)
return;
VERIFY(thr_create(0, 0, ztest_thread, (void *)(uintptr_t)t,
@ -5200,7 +5217,7 @@ ztest_run(ztest_shared_t *zs)
* Wait for all of the tests to complete. We go in reverse order
* so we don't close datasets while threads are still using them.
*/
for (int t = zopt_threads - 1; t >= 0; t--) {
for (t = zopt_threads - 1; t >= 0; t--) {
VERIFY(thr_join(tid[t], NULL, NULL) == 0);
if (t < zopt_datasets)
ztest_dataset_close(zs, t);
@ -5423,6 +5440,7 @@ main(int argc, char **argv)
char timebuf[100];
char numbuf[6];
spa_t *spa;
int i, f;
(void) setvbuf(stdout, NULL, _IOLBF, 0);
@ -5455,7 +5473,7 @@ main(int argc, char **argv)
/*
* Create and initialize our storage pool.
*/
for (int i = 1; i <= zopt_init; i++) {
for (i = 1; i <= zopt_init; i++) {
bzero(zs, sizeof (ztest_shared_t));
if (zopt_verbose >= 3 && zopt_init != 1)
(void) printf("ztest_init(), pass %d\n", i);
@ -5467,7 +5485,7 @@ main(int argc, char **argv)
zs->zs_proc_start = gethrtime();
zs->zs_proc_stop = zs->zs_proc_start + zopt_time * NANOSEC;
for (int f = 0; f < ZTEST_FUNCS; f++) {
for (f = 0; f < ZTEST_FUNCS; f++) {
zi = &zs->zs_info[f];
*zi = ztest_info[f];
if (zs->zs_proc_start + zi->zi_interval[0] > zs->zs_proc_stop)
@ -5489,7 +5507,7 @@ main(int argc, char **argv)
/*
* Initialize the workload counters for each function.
*/
for (int f = 0; f < ZTEST_FUNCS; f++) {
for (f = 0; f < ZTEST_FUNCS; f++) {
zi = &zs->zs_info[f];
zi->zi_call_count = 0;
zi->zi_call_time = 0;
@ -5561,7 +5579,7 @@ main(int argc, char **argv)
"Calls", "Time", "Function");
(void) printf("%7s %9s %s\n",
"-----", "----", "--------");
for (int f = 0; f < ZTEST_FUNCS; f++) {
for (f = 0; f < ZTEST_FUNCS; f++) {
Dl_info dli;
zi = &zs->zs_info[f];

4
lib/libuutil/uu_misc.c
View File

@ -209,7 +209,11 @@ uu_panic(const char *format, ...)
int
assfail(const char *astring, const char *file, int line)
{
#if defined(__STDC__) && __STDC_VERSION__ - 0 >= 199901L
__assert_c99(astring, file, line, "unknown func");
#else
__assert(astring, file, line);
#endif
/*NOTREACHED*/
return (0);
}

4
lib/libzfs/libzfs_import.c
View File

@ -410,7 +410,9 @@ refresh_config(libzfs_handle_t *hdl, nvlist_t *config)
boolean_t
vdev_is_hole(uint64_t *hole_array, uint_t holes, uint_t id)
{
for (int c = 0; c < holes; c++) {
int c;
for (c = 0; c < holes; c++) {
/* Top-level is a hole */
if (hole_array[c] == id)

4
module/zcommon/zprop_common.c
View File

@ -162,7 +162,7 @@ int
zprop_iter_common(zprop_func func, void *cb, boolean_t show_all,
boolean_t ordered, zfs_type_t type)
{
int i, num_props, size, prop;
int i, j, num_props, size, prop;
zprop_desc_t *prop_tbl;
zprop_desc_t **order;
@ -177,7 +177,7 @@ zprop_iter_common(zprop_func func, void *cb, boolean_t show_all,
return (ZPROP_CONT);
#endif
for (int j = 0; j < num_props; j++)
for (j = 0; j < num_props; j++)
order[j] = &prop_tbl[j];
if (ordered) {

6
module/zfs/arc.c
View File

@ -1426,10 +1426,11 @@ arc_buf_destroy(arc_buf_t *buf, boolean_t recycle, boolean_t all)
static void
arc_hdr_destroy(arc_buf_hdr_t *hdr)
{
l2arc_buf_hdr_t *l2hdr = hdr->b_l2hdr;
ASSERT(refcount_is_zero(&hdr->b_refcnt));
ASSERT3P(hdr->b_state, ==, arc_anon);
ASSERT(!HDR_IO_IN_PROGRESS(hdr));
l2arc_buf_hdr_t *l2hdr = hdr->b_l2hdr;
if (l2hdr != NULL) {
boolean_t buflist_held = MUTEX_HELD(&l2arc_buflist_mtx);
@ -4235,6 +4236,7 @@ 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_guid(spa);
int try;
ASSERT(dev->l2ad_vdev != NULL);
@ -4248,7 +4250,7 @@ l2arc_write_buffers(spa_t *spa, l2arc_dev_t *dev, uint64_t target_sz)
* Copy buffers for L2ARC writing.
*/
mutex_enter(&l2arc_buflist_mtx);
for (int try = 0; try <= 3; try++) {
for (try = 0; try <= 3; try++) {
list = l2arc_list_locked(try, &list_lock);
passed_sz = 0;

26
module/zfs/dbuf.c
View File

@ -107,11 +107,15 @@ dbuf_find(dnode_t *dn, uint8_t level, uint64_t blkid)
{
dbuf_hash_table_t *h = &dbuf_hash_table;
objset_t *os = dn->dn_objset;
uint64_t obj = dn->dn_object;
uint64_t hv = DBUF_HASH(os, obj, level, blkid);
uint64_t idx = hv & h->hash_table_mask;
uint64_t obj;
uint64_t hv;
uint64_t idx;
dmu_buf_impl_t *db;
obj = dn->dn_object;
hv = DBUF_HASH(os, obj, level, blkid);
idx = hv & h->hash_table_mask;
mutex_enter(DBUF_HASH_MUTEX(h, idx));
for (db = h->hash_table[idx]; db != NULL; db = db->db_hash_next) {
if (DBUF_EQUAL(db, os, obj, level, blkid)) {
@ -140,11 +144,13 @@ dbuf_hash_insert(dmu_buf_impl_t *db)
objset_t *os = db->db_objset;
uint64_t obj = db->db.db_object;
int level = db->db_level;
uint64_t blkid = db->db_blkid;
uint64_t hv = DBUF_HASH(os, obj, level, blkid);
uint64_t idx = hv & h->hash_table_mask;
uint64_t blkid, hv, idx;
dmu_buf_impl_t *dbf;
blkid = db->db_blkid;
hv = DBUF_HASH(os, obj, level, blkid);
idx = hv & h->hash_table_mask;
mutex_enter(DBUF_HASH_MUTEX(h, idx));
for (dbf = h->hash_table[idx]; dbf != NULL; dbf = dbf->db_hash_next) {
if (DBUF_EQUAL(dbf, os, obj, level, blkid)) {
@ -174,11 +180,13 @@ static void
dbuf_hash_remove(dmu_buf_impl_t *db)
{
dbuf_hash_table_t *h = &dbuf_hash_table;
uint64_t hv = DBUF_HASH(db->db_objset, db->db.db_object,
db->db_level, db->db_blkid);
uint64_t idx = hv & h->hash_table_mask;
uint64_t hv, idx;
dmu_buf_impl_t *dbf, **dbp;
hv = DBUF_HASH(db->db_objset, db->db.db_object,
db->db_level, db->db_blkid);
idx = hv & h->hash_table_mask;
/*
* We musn't hold db_mtx to maintin lock ordering:
* DBUF_HASH_MUTEX > db_mtx.

110
module/zfs/ddt.c
View File

@ -244,9 +244,10 @@ 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 (int d = 0; d < SPA_DVAS_PER_BP; d++)
for (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);
}
@ -287,9 +288,10 @@ 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 (int d = 0; d < SPA_DVAS_PER_BP; d++)
for (d = 0; d < SPA_DVAS_PER_BP; d++)
ddp->ddp_dva[d] = bp->blk_dva[d];
ddp->ddp_phys_birth = BP_PHYSICAL_BIRTH(bp);
}
@ -327,8 +329,9 @@ 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 (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
for (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);
@ -340,8 +343,9 @@ uint64_t
ddt_phys_total_refcnt(const ddt_entry_t *dde)
{
uint64_t refcnt = 0;
int p;
for (int p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++)
for (p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++)
refcnt += dde->dde_phys[p].ddp_refcnt;
return (refcnt);
@ -355,17 +359,18 @@ 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 (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
for (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 (int d = 0; d < SPA_DVAS_PER_BP; d++)
for (d = 0; d < SPA_DVAS_PER_BP; d++)
dsize += dva_get_dsize_sync(spa, &ddp->ddp_dva[d]);
dds->dds_blocks += 1;
@ -413,16 +418,20 @@ 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)
{
for (int h = 0; h < 64; h++)
int h;
for (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 (int h = 0; h < 64; h++)
for (h = 0; h < 64; h++)
ddt_stat_add(dds, &ddh->ddh_stat[h], 0);
}
@ -442,11 +451,15 @@ 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 (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
ddt_t *ddt = spa->spa_ddt[c];
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (enum ddt_class class = 0; class < DDT_CLASSES;
for (type = 0; type < DDT_TYPES; type++) {
for (class = 0; class < DDT_CLASSES;
class++) {
ddt_object_t *ddo =
&ddt->ddt_object_stats[type][class];
@ -467,10 +480,14 @@ 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)
{
for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
enum zio_checksum c;
enum ddt_type type;
enum ddt_class class;
for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
ddt_t *ddt = spa->spa_ddt[c];
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (enum ddt_class class = 0; class < DDT_CLASSES;
for (type = 0; type < DDT_TYPES; type++) {
for (class = 0; class < DDT_CLASSES;
class++) {
ddt_histogram_add(ddh,
&ddt->ddt_histogram_cache[type][class]);
@ -519,8 +536,9 @@ ddt_ditto_copies_needed(ddt_t *ddt, ddt_entry_t *dde, ddt_phys_t *ddp_willref)
uint64_t ditto = spa->spa_dedup_ditto;
int total_copies = 0;
int desired_copies = 0;
int p;
for (int p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) {
for (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 */
@ -553,8 +571,9 @@ 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 (int d = 0; d < SPA_DVAS_PER_BP; d++, dva++)
for (d = 0; d < SPA_DVAS_PER_BP; d++, dva++)
if (DVA_IS_VALID(dva))
copies++;
@ -641,9 +660,11 @@ ddt_alloc(const ddt_key_t *ddk)
static void
ddt_free(ddt_entry_t *dde)
{
int p;
ASSERT(!dde->dde_loading);
for (int p = 0; p < DDT_PHYS_TYPES; p++)
for (p = 0; p < DDT_PHYS_TYPES; p++)
ASSERT(dde->dde_lead_zio[p] == NULL);
if (dde->dde_repair_data != NULL)
@ -731,6 +752,8 @@ 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;
@ -743,8 +766,8 @@ ddt_prefetch(spa_t *spa, const blkptr_t *bp)
ddt = ddt_select(spa, bp);
ddt_key_fill(&dde.dde_key, bp);
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (enum ddt_class class = 0; class < DDT_CLASSES; class++) {
for (type = 0; type < DDT_TYPES; type++) {
for (class = 0; class < DDT_CLASSES; class++) {
ddt_object_prefetch(ddt, type, class, &dde);
}
}
@ -757,8 +780,9 @@ ddt_entry_compare(const void *x1, const void *x2)
const ddt_entry_t *dde2 = x2;
const uint64_t *u1 = (const uint64_t *)&dde1->dde_key;
const uint64_t *u2 = (const uint64_t *)&dde2->dde_key;
int i;
for (int i = 0; i < DDT_KEY_WORDS; i++) {
for (i = 0; i < DDT_KEY_WORDS; i++) {
if (u1[i] < u2[i])
return (-1);
if (u1[i] > u2[i])
@ -801,15 +825,20 @@ ddt_table_free(ddt_t *ddt)
void
ddt_create(spa_t *spa)
{
enum zio_checksum c;
spa->spa_dedup_checksum = ZIO_DEDUPCHECKSUM;
for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++)
for (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);
@ -821,10 +850,10 @@ ddt_load(spa_t *spa)
if (error)
return (error == ENOENT ? 0 : error);
for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
ddt_t *ddt = spa->spa_ddt[c];
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (enum ddt_class class = 0; class < DDT_CLASSES;
for (type = 0; type < DDT_TYPES; type++) {
for (class = 0; class < DDT_CLASSES;
class++) {
error = ddt_object_load(ddt, type, class);
if (error != 0 && error != ENOENT)
@ -845,7 +874,9 @@ ddt_load(spa_t *spa)
void
ddt_unload(spa_t *spa)
{
for (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
enum zio_checksum c;
for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
if (spa->spa_ddt[c]) {
ddt_table_free(spa->spa_ddt[c]);
spa->spa_ddt[c] = NULL;
@ -858,6 +889,8 @@ 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);
@ -869,8 +902,8 @@ ddt_class_contains(spa_t *spa, enum ddt_class max_class, const blkptr_t *bp)
ddt_key_fill(&dde.dde_key, bp);
for (enum ddt_type type = 0; type < DDT_TYPES; type++)
for (enum ddt_class class = 0; class <= max_class; class++)
for (type = 0; type < DDT_TYPES; type++)
for (class = 0; class <= max_class; class++)
if (ddt_object_lookup(ddt, type, class, &dde) == 0)
return (B_TRUE);
@ -882,13 +915,15 @@ 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 (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (enum ddt_class class = 0; class < DDT_CLASSES; class++) {
for (type = 0; type < DDT_TYPES; type++) {
for (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,
@ -938,11 +973,12 @@ 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 (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++, rddp++) {
for (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)))
@ -992,11 +1028,12 @@ 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 (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
ASSERT(dde->dde_lead_zio[p] == NULL);
ASSERT((int64_t)ddp->ddp_refcnt >= 0);
if (ddp->ddp_phys_birth == 0) {
@ -1054,6 +1091,8 @@ 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;
@ -1073,15 +1112,15 @@ ddt_sync_table(ddt_t *ddt, dmu_tx_t *tx, uint64_t txg)
ddt_free(dde);
}
for (enum ddt_type type = 0; type < DDT_TYPES; type++) {
for (type = 0; type < DDT_TYPES; type++) {
uint64_t count = 0;
for (enum ddt_class class = 0; class < DDT_CLASSES; class++) {
for (class = 0; class < DDT_CLASSES; class++) {
if (ddt_object_exists(ddt, type, class)) {
ddt_object_sync(ddt, type, class, tx);
count += ddt_object_count(ddt, type, class);
}
}
for (enum ddt_class class = 0; class < DDT_CLASSES; class++) {
for (class = 0; class < DDT_CLASSES; class++) {
if (count == 0 && ddt_object_exists(ddt, type, class))
ddt_object_destroy(ddt, type, class, tx);
}
@ -1097,12 +1136,13 @@ 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 (enum zio_checksum c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
for (c = 0; c < ZIO_CHECKSUM_FUNCTIONS; c++) {
ddt_t *ddt = spa->spa_ddt[c];
if (ddt == NULL)
continue;

3
module/zfs/dmu.c
View File

@ -1611,6 +1611,7 @@ void
dmu_object_info_from_dnode(dnode_t *dn, dmu_object_info_t *doi)
{
dnode_phys_t *dnp;
int i;
rw_enter(&dn->dn_struct_rwlock, RW_READER);
mutex_enter(&dn->dn_mtx);
@ -1629,7 +1630,7 @@ 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 = (dnp->dn_maxblkid + 1) * dn->dn_datablksz;
doi->doi_fill_count = 0;
for (int i = 0; i < dnp->dn_nblkptr; i++)
for (i = 0; i < dnp->dn_nblkptr; i++)
doi->doi_fill_count += dnp->dn_blkptr[i].blk_fill;
mutex_exit(&dn->dn_mtx);

11
module/zfs/dmu_objset.c
View File

@ -528,8 +528,9 @@ void
dmu_objset_evict(objset_t *os)
{
dsl_dataset_t *ds = os->os_dsl_dataset;
int t;
for (int t = 0; t < TXG_SIZE; t++)
for (t = 0; t < TXG_SIZE; t++)
ASSERT(!dmu_objset_is_dirty(os, t));
if (ds) {
@ -1041,6 +1042,8 @@ dmu_objset_sync_dnodes(list_t *list, list_t *newlist, 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;
@ -1056,7 +1059,7 @@ dmu_objset_write_ready(zio_t *zio, arc_buf_t *abuf, void *arg)
* dnode and user/group accounting objects).
*/
bp->blk_fill = 0;
for (int i = 0; i < dnp->dn_nblkptr; i++)
for (i = 0; i < dnp->dn_nblkptr; i++)
bp->blk_fill += dnp->dn_blkptr[i].blk_fill;
}
@ -1178,7 +1181,9 @@ dmu_objset_is_dirty(objset_t *os, uint64_t txg)
boolean_t
dmu_objset_is_dirty_anywhere(objset_t *os)
{
for (int t = 0; t < TXG_SIZE; t++)
int t;
for (t = 0; t < TXG_SIZE; t++)
if (dmu_objset_is_dirty(os, t))
return (B_TRUE);
return (B_FALSE);

3
module/zfs/dmu_tx.c
View File

@ -216,6 +216,7 @@ dmu_tx_count_write(dmu_tx_hold_t *txh, uint64_t off, uint64_t len)
uint64_t start, end, i;
int min_bs, max_bs, min_ibs, max_ibs, epbs, bits;
int err = 0;
int l;
if (len == 0)
return;
@ -303,7 +304,7 @@ dmu_tx_count_write(dmu_tx_hold_t *txh, uint64_t off, uint64_t len)
* we need to account for overwrites/unref.
*/
if (start <= dn->dn_maxblkid) {
for (int l = 0; l < DN_MAX_LEVELS; l++)
for (l = 0; l < DN_MAX_LEVELS; l++)
history[l] = -1ULL;
}
while (start <= dn->dn_maxblkid) {

18
module/zfs/dsl_dataset.c
View File

@ -85,11 +85,13 @@ parent_delta(dsl_dataset_t *ds, int64_t delta)
void
dsl_dataset_block_born(dsl_dataset_t *ds, const blkptr_t *bp, dmu_tx_t *tx)
{
int used = bp_get_dsize_sync(tx->tx_pool->dp_spa, bp);
int compressed = BP_GET_PSIZE(bp);
int uncompressed = BP_GET_UCSIZE(bp);
int used, compressed, uncompressed;
int64_t delta;
used = bp_get_dsize_sync(tx->tx_pool->dp_spa, bp);
compressed = BP_GET_PSIZE(bp);
uncompressed = BP_GET_UCSIZE(bp);
dprintf_bp(bp, "ds=%p", ds);
ASSERT(dmu_tx_is_syncing(tx));
@ -130,15 +132,17 @@ int
dsl_dataset_block_kill(dsl_dataset_t *ds, const blkptr_t *bp, dmu_tx_t *tx,
boolean_t async)
{
int used, compressed, uncompressed;
if (BP_IS_HOLE(bp))
return (0);
ASSERT(dmu_tx_is_syncing(tx));
ASSERT(bp->blk_birth <= tx->tx_txg);
int used = bp_get_dsize_sync(tx->tx_pool->dp_spa, bp);
int compressed = BP_GET_PSIZE(bp);
int uncompressed = BP_GET_UCSIZE(bp);
used = bp_get_dsize_sync(tx->tx_pool->dp_spa, bp);
compressed = BP_GET_PSIZE(bp);
uncompressed = BP_GET_UCSIZE(bp);
ASSERT(used > 0);
if (ds == NULL) {
@ -1772,6 +1776,7 @@ dsl_dataset_destroy_sync(void *arg1, void *tag, dmu_tx_t *tx)
if (dsl_dataset_is_snapshot(ds_next)) {
dsl_dataset_t *ds_nextnext;
dsl_dataset_t *hds;
/*
* Update next's unique to include blocks which
@ -1794,7 +1799,6 @@ dsl_dataset_destroy_sync(void *arg1, void *tag, dmu_tx_t *tx)
ASSERT3P(ds_next->ds_prev, ==, NULL);
/* Collapse range in this head. */
dsl_dataset_t *hds;
VERIFY3U(0, ==, dsl_dataset_hold_obj(dp,
ds->ds_dir->dd_phys->dd_head_dataset_obj,
FTAG, &hds));

12
module/zfs/dsl_dir.c
View File

@ -964,11 +964,13 @@ dsl_dir_diduse_space(dsl_dir_t *dd, dd_used_t type,
dd->dd_phys->dd_used_breakdown[type] >= -used);
dd->dd_phys->dd_used_breakdown[type] += used;
#ifdef DEBUG
dd_used_t t;
uint64_t u = 0;
for (t = 0; t < DD_USED_NUM; t++)
u += dd->dd_phys->dd_used_breakdown[t];
ASSERT3U(u, ==, dd->dd_phys->dd_used_bytes);
{
dd_used_t t;
uint64_t u = 0;
for (t = 0; t < DD_USED_NUM; t++)
u += dd->dd_phys->dd_used_breakdown[t];
ASSERT3U(u, ==, dd->dd_phys->dd_used_bytes);
}
#endif
}
if (needlock)

3
module/zfs/dsl_pool.c
View File

@ -692,9 +692,10 @@ upgrade_dir_clones_cb(spa_t *spa, uint64_t dsobj, const char *dsname, void *arg)
void
dsl_pool_upgrade_dir_clones(dsl_pool_t *dp, dmu_tx_t *tx)
{
ASSERT(dmu_tx_is_syncing(tx));
uint64_t obj;
ASSERT(dmu_tx_is_syncing(tx));
(void) dsl_dir_create_sync(dp, dp->dp_root_dir, FREE_DIR_NAME, tx);
VERIFY(0 == dsl_pool_open_special_dir(dp,
FREE_DIR_NAME, &dp->dp_free_dir));

13
module/zfs/dsl_scan.c
View File

@ -1076,6 +1076,7 @@ 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));
@ -1098,7 +1099,7 @@ dsl_scan_visitds(dsl_scan_t *scn, uint64_t dsobj, dmu_tx_t *tx)
dmu_buf_will_dirty(ds->ds_dbuf, tx);
dsl_scan_visit_rootbp(scn, ds, &ds->ds_phys->ds_bp, tx);
char *dsname = kmem_alloc(ZFS_MAXNAMELEN, KM_SLEEP);
dsname = kmem_alloc(ZFS_MAXNAMELEN, KM_SLEEP);
dsl_dataset_name(ds, dsname);
zfs_dbgmsg("scanned dataset %llu (%s) with min=%llu max=%llu; "
"pausing=%u",
@ -1294,11 +1295,12 @@ dsl_scan_ddt_entry(dsl_scan_t *scn, enum zio_checksum checksum,
ddt_phys_t *ddp = dde->dde_phys;
blkptr_t bp;
zbookmark_t zb = { 0 };
int p;
if (scn->scn_phys.scn_state != DSS_SCANNING)
return;
for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
for (p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
if (ddp->ddp_phys_birth == 0 ||
ddp->ddp_phys_birth > scn->scn_phys.scn_cur_max_txg)
continue;
@ -1658,10 +1660,11 @@ dsl_scan_scrub_cb(dsl_pool_t *dp,
size_t size = BP_GET_PSIZE(bp);
spa_t *spa = dp->dp_spa;
uint64_t phys_birth = BP_PHYSICAL_BIRTH(bp);
boolean_t needs_io;
boolean_t needs_io = B_FALSE;
int zio_flags = ZIO_FLAG_SCAN_THREAD | ZIO_FLAG_RAW | ZIO_FLAG_CANFAIL;
int zio_priority;
int zio_priority = 0;
int scan_delay = 0;
int d;
if (phys_birth <= scn->scn_phys.scn_min_txg ||
phys_birth >= scn->scn_phys.scn_max_txg)
@ -1686,7 +1689,7 @@ dsl_scan_scrub_cb(dsl_pool_t *dp,
if (zb->zb_level == ZB_ZIL_LEVEL)
zio_flags |= ZIO_FLAG_SPECULATIVE;
for (int d = 0; d < BP_GET_NDVAS(bp); d++) {
for (d = 0; d < BP_GET_NDVAS(bp); d++) {
vdev_t *vd = vdev_lookup_top(spa,
DVA_GET_VDEV(&bp->blk_dva[d]));

3
module/zfs/include/sys/spa.h
View File

@ -350,13 +350,14 @@ typedef struct blkptr {
int size = BP_SPRINTF_LEN; \
int len = 0; \
int copies = 0; \
int d; \
\
if (bp == NULL) { \
len = func(buf + len, size - len, "<NULL>"); \
} else if (BP_IS_HOLE(bp)) { \
len = func(buf + len, size - len, "<hole>"); \
} else { \
for (int d = 0; d < BP_GET_NDVAS(bp); d++) { \
for (d = 0; d < BP_GET_NDVAS(bp); d++) { \
const dva_t *dva = &bp->blk_dva[d]; \
if (DVA_IS_VALID(dva)) \
copies++; \

35
module/zfs/metaslab.c
View File

@ -730,6 +730,7 @@ void
metaslab_fini(metaslab_t *msp)
{
metaslab_group_t *mg = msp->ms_group;
int t;
vdev_space_update(mg->mg_vd,
-msp->ms_smo.smo_alloc, 0, -msp->ms_map.sm_size);
@ -741,12 +742,12 @@ metaslab_fini(metaslab_t *msp)
space_map_unload(&msp->ms_map);
space_map_destroy(&msp->ms_map);
for (int t = 0; t < TXG_SIZE; t++) {
for (t = 0; t < TXG_SIZE; t++) {
space_map_destroy(&msp->ms_allocmap[t]);
space_map_destroy(&msp->ms_freemap[t]);
}
for (int t = 0; t < TXG_DEFER_SIZE; t++)
for (t = 0; t < TXG_DEFER_SIZE; t++)
space_map_destroy(&msp->ms_defermap[t]);
ASSERT3S(msp->ms_deferspace, ==, 0);
@ -849,6 +850,7 @@ metaslab_activate(metaslab_t *msp, uint64_t activation_weight, uint64_t size)
metaslab_group_t *mg = msp->ms_group;
space_map_t *sm = &msp->ms_map;
space_map_ops_t *sm_ops = msp->ms_group->mg_class->mc_ops;
int t;
ASSERT(MUTEX_HELD(&msp->ms_lock));
@ -862,7 +864,7 @@ metaslab_activate(metaslab_t *msp, uint64_t activation_weight, uint64_t size)
metaslab_group_sort(msp->ms_group, msp, 0);
return (error);
}
for (int t = 0; t < TXG_DEFER_SIZE; t++)
for (t = 0; t < TXG_DEFER_SIZE; t++)
space_map_walk(&msp->ms_defermap[t],
space_map_claim, sm);
@ -922,6 +924,7 @@ metaslab_sync(metaslab_t *msp, uint64_t txg)
space_map_obj_t *smo = &msp->ms_smo_syncing;
dmu_buf_t *db;
dmu_tx_t *tx;
int t;
ASSERT(!vd->vdev_ishole);
@ -977,11 +980,11 @@ metaslab_sync(metaslab_t *msp, uint64_t txg)
space_map_walk(sm, space_map_remove, allocmap);
space_map_walk(freed_map, space_map_remove, allocmap);
for (int t = 0; t < TXG_DEFER_SIZE; t++)
for (t = 0; t < TXG_DEFER_SIZE; t++)
space_map_walk(&msp->ms_defermap[t],
space_map_remove, allocmap);
for (int t = 1; t < TXG_CONCURRENT_STATES; t++)
for (t = 1; t < TXG_CONCURRENT_STATES; t++)
space_map_walk(&msp->ms_allocmap[(txg + t) & TXG_MASK],
space_map_remove, allocmap);
@ -1019,6 +1022,7 @@ metaslab_sync_done(metaslab_t *msp, uint64_t txg)
metaslab_group_t *mg = msp->ms_group;
vdev_t *vd = mg->mg_vd;
int64_t alloc_delta, defer_delta;
int t;
ASSERT(!vd->vdev_ishole);
@ -1029,14 +1033,14 @@ metaslab_sync_done(metaslab_t *msp, uint64_t txg)
* allocmaps and freemaps and add its capacity to the vdev.
*/
if (freed_map->sm_size == 0) {
for (int t = 0; t < TXG_SIZE; t++) {
for (t = 0; t < TXG_SIZE; t++) {
space_map_create(&msp->ms_allocmap[t], sm->sm_start,
sm->sm_size, sm->sm_shift, sm->sm_lock);
space_map_create(&msp->ms_freemap[t], sm->sm_start,
sm->sm_size, sm->sm_shift, sm->sm_lock);
}
for (int t = 0; t < TXG_DEFER_SIZE; t++)
for (t = 0; t < TXG_DEFER_SIZE; t++)
space_map_create(&msp->ms_defermap[t], sm->sm_start,
sm->sm_size, sm->sm_shift, sm->sm_lock);
@ -1082,7 +1086,7 @@ metaslab_sync_done(metaslab_t *msp, uint64_t txg)
if (sm->sm_loaded && (msp->ms_weight & METASLAB_ACTIVE_MASK) == 0) {
int evictable = 1;
for (int t = 1; t < TXG_CONCURRENT_STATES; t++)
for (t = 1; t < TXG_CONCURRENT_STATES; t++)
if (msp->ms_allocmap[(txg + t) & TXG_MASK].sm_space)
evictable = 0;
@ -1099,12 +1103,13 @@ void
metaslab_sync_reassess(metaslab_group_t *mg)
{
vdev_t *vd = mg->mg_vd;
int m;
/*
* Re-evaluate all metaslabs which have lower offsets than the
* bonus area.
*/
for (int m = 0; m < vd->vdev_ms_count; m++) {
for (m = 0; m < vd->vdev_ms_count; m++) {
metaslab_t *msp = vd->vdev_ms[m];
if (msp->ms_map.sm_start > mg->mg_bonus_area)
@ -1517,7 +1522,7 @@ 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 error = 0;
int d, error = 0;
ASSERT(bp->blk_birth == 0);
ASSERT(BP_PHYSICAL_BIRTH(bp) == 0);
@ -1533,7 +1538,7 @@ metaslab_alloc(spa_t *spa, metaslab_class_t *mc, uint64_t psize, blkptr_t *bp,
ASSERT(BP_GET_NDVAS(bp) == 0);
ASSERT(hintbp == NULL || ndvas <= BP_GET_NDVAS(hintbp));
for (int d = 0; d < ndvas; d++) {
for (d = 0; d < ndvas; d++) {
error = metaslab_alloc_dva(spa, mc, psize, dva, d, hintdva,
txg, flags);
if (error) {
@ -1559,14 +1564,14 @@ void
metaslab_free(spa_t *spa, const blkptr_t *bp, uint64_t txg, boolean_t now)
{
const dva_t *dva = bp->blk_dva;
int ndvas = BP_GET_NDVAS(bp);
int d, 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 (int d = 0; d < ndvas; d++)
for (d = 0; d < ndvas; d++)
metaslab_free_dva(spa, &dva[d], txg, now);
spa_config_exit(spa, SCL_FREE, FTAG);
@ -1577,7 +1582,7 @@ 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 error = 0;
int d, error = 0;
ASSERT(!BP_IS_HOLE(bp));
@ -1592,7 +1597,7 @@ metaslab_claim(spa_t *spa, const blkptr_t *bp, uint64_t txg)
spa_config_enter(spa, SCL_ALLOC, FTAG, RW_READER);
for (int d = 0; d < ndvas; d++)
for (d = 0; d < ndvas; d++)
if ((error = metaslab_claim_dva(spa, &dva[d], txg)) != 0)
break;

4
module/zfs/sa.c
View File

@ -1478,8 +1478,8 @@ sa_find_idx_tab(objset_t *os, dmu_object_type_t bonustype, void *data)
/* Verify header size is consistent with layout information */
ASSERT(tb);
ASSERT(IS_SA_BONUSTYPE(bonustype) &&
SA_HDR_SIZE_MATCH_LAYOUT(hdr, tb) || !IS_SA_BONUSTYPE(bonustype) ||
ASSERT((IS_SA_BONUSTYPE(bonustype) &&
SA_HDR_SIZE_MATCH_LAYOUT(hdr, tb)) || !IS_SA_BONUSTYPE(bonustype) ||
(IS_SA_BONUSTYPE(bonustype) && hdr->sa_layout_info == 0));
/*

86
module/zfs/spa.c
View File

@ -653,8 +653,10 @@ spa_taskq_create(spa_t *spa, const char *name, enum zti_modes mode,
static void
spa_create_zio_taskqs(spa_t *spa)
{
for (int t = 0; t < ZIO_TYPES; t++) {
for (int q = 0; q < ZIO_TASKQ_TYPES; q++) {
int t, q;
for (t = 0; t < ZIO_TYPES; t++) {
for (q = 0; q < ZIO_TASKQ_TYPES; q++) {
const zio_taskq_info_t *ztip = &zio_taskqs[t][q];
enum zti_modes mode = ztip->zti_mode;
uint_t value = ztip->zti_value;
@ -808,6 +810,8 @@ 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);
@ -819,8 +823,8 @@ spa_deactivate(spa_t *spa)
list_destroy(&spa->spa_config_dirty_list);
list_destroy(&spa->spa_state_dirty_list);
for (int t = 0; t < ZIO_TYPES; t++) {
for (int q = 0; q < ZIO_TASKQ_TYPES; q++) {
for (t = 0; t < ZIO_TYPES; t++) {
for (q = 0; q < ZIO_TASKQ_TYPES; q++) {
if (spa->spa_zio_taskq[t][q] != NULL)
taskq_destroy(spa->spa_zio_taskq[t][q]);
spa->spa_zio_taskq[t][q] = NULL;
@ -883,6 +887,7 @@ 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);
@ -902,7 +907,7 @@ spa_config_parse(spa_t *spa, vdev_t **vdp, nvlist_t *nv, vdev_t *parent,
return (EINVAL);
}
for (int c = 0; c < children; c++) {
for (c = 0; c < children; c++) {
vdev_t *vd;
if ((error = spa_config_parse(spa, &vd, child[c], *vdp, c,
atype)) != 0) {
@ -1279,7 +1284,9 @@ load_nvlist(spa_t *spa, uint64_t obj, nvlist_t **value)
static void
spa_check_removed(vdev_t *vd)
{
for (int c = 0; c < vd->vdev_children; c++)
int c;
for (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)) {
@ -1296,6 +1303,7 @@ 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);
@ -1317,7 +1325,7 @@ spa_config_valid(spa_t *spa, nvlist_t *config)
KM_SLEEP);
VERIFY(nvlist_alloc(&nv, NV_UNIQUE_NAME, KM_SLEEP) == 0);
for (int c = 0; c < rvd->vdev_children; c++) {
for (c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
vdev_t *mtvd = mrvd->vdev_child[c];
@ -1334,7 +1342,7 @@ spa_config_valid(spa_t *spa, nvlist_t *config)
VERIFY(nvlist_add_nvlist(spa->spa_load_info,
ZPOOL_CONFIG_MISSING_DEVICES, nv) == 0);
for (int i = 0; i < idx; i++)
for (i = 0; i < idx; i++)
nvlist_free(child[i]);
}
nvlist_free(nv);
@ -1346,7 +1354,7 @@ 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 (int c = 0; c < rvd->vdev_children; c++) {
for (c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
vdev_t *mtvd = mrvd->vdev_child[c];
@ -1435,13 +1443,14 @@ 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 (int c = 0; c < rvd->vdev_children; c++) {
for (c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
metaslab_group_t *mg = tvd->vdev_mg;
@ -1458,10 +1467,11 @@ 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 (int c = 0; c < rvd->vdev_children; c++) {
for (c = 0; c < rvd->vdev_children; c++) {
vdev_t *tvd = rvd->vdev_child[c];
metaslab_group_t *mg = tvd->vdev_mg;
@ -1491,7 +1501,9 @@ spa_offline_log(spa_t *spa)
static void
spa_aux_check_removed(spa_aux_vdev_t *sav)
{
for (int i = 0; i < sav->sav_count; i++)
int i;
for (i = 0; i < sav->sav_count; i++)
spa_check_removed(sav->sav_vdevs[i]);
}
@ -2163,6 +2175,7 @@ spa_load_impl(spa_t *spa, uint64_t pool_guid, nvlist_t *config,
spa->spa_load_max_txg == UINT64_MAX)) {
dmu_tx_t *tx;
int need_update = B_FALSE;
int c;
ASSERT(state != SPA_LOAD_TRYIMPORT);
@ -2209,7 +2222,7 @@ 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 (int c = 0; c < rvd->vdev_children; c++)
for (c = 0; c < rvd->vdev_children; c++)
if (rvd->vdev_child[c]->vdev_ms_array == 0)
need_update = B_TRUE;
@ -2845,6 +2858,7 @@ spa_create(const char *pool, nvlist_t *nvroot, nvlist_t *props,
nvlist_t **spares, **l2cache;
uint_t nspares, nl2cache;
uint64_t version, obj;
int c;
/*
* If this pool already exists, return failure.
@ -2903,7 +2917,7 @@ 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 (int c = 0; c < rvd->vdev_children; c++) {
for (c = 0; c < rvd->vdev_children; c++) {
vdev_metaslab_set_size(rvd->vdev_child[c]);
vdev_expand(rvd->vdev_child[c], txg);
}
@ -3103,7 +3117,9 @@ spa_generate_rootconf(char *devpath, char *devid, uint64_t *guid)
static void
spa_alt_rootvdev(vdev_t *vd, vdev_t **avd, uint64_t *txg)
{
for (int c = 0; c < vd->vdev_children; c++)
int c;
for (c = 0; c < vd->vdev_children; c++)
spa_alt_rootvdev(vd->vdev_child[c], avd, txg);
if (vd->vdev_ops->vdev_op_leaf) {
@ -3687,6 +3703,7 @@ 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));
@ -3723,7 +3740,7 @@ spa_vdev_add(spa_t *spa, nvlist_t *nvroot)
/*
* Transfer each new top-level vdev from vd to rvd.
*/
for (int c = 0; c < vd->vdev_children; c++) {
for (c = 0; c < vd->vdev_children; c++) {
/*
* Set the vdev id to the first hole, if one exists.
@ -3999,6 +4016,7 @@ spa_vdev_detach(spa_t *spa, uint64_t guid, uint64_t pguid, int replace_done)
boolean_t unspare = B_FALSE;
uint64_t unspare_guid;
char *vdpath;
int c, t;
ASSERT(spa_writeable(spa));
@ -4066,7 +4084,7 @@ 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 (int c = 0; c < pvd->vdev_children; c++) {
for (c = 0; c < pvd->vdev_children; c++) {
cvd = pvd->vdev_child[c];
if (cvd == vd || cvd->vdev_path == NULL)
@ -4174,7 +4192,7 @@ 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);
for (int t = 0; t < TXG_SIZE; t++)
for (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);
@ -4509,7 +4527,9 @@ out:
static nvlist_t *
spa_nvlist_lookup_by_guid(nvlist_t **nvpp, int count, uint64_t target_guid)
{
for (int i = 0; i < count; i++) {
int i;
for (i = 0; i < count; i++) {
uint64_t guid;
VERIFY(nvlist_lookup_uint64(nvpp[i], ZPOOL_CONFIG_GUID,
@ -4527,11 +4547,12 @@ 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 (int i = 0, j = 0; i < count; i++) {
for (i = 0, j = 0; i < count; i++) {
if (dev[i] == dev_to_remove)
continue;
VERIFY(nvlist_dup(dev[i], &newdev[j++], KM_SLEEP) == 0);
@ -4540,7 +4561,7 @@ 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 (int i = 0; i < count - 1; i++)
for (i = 0; i < count - 1; i++)
nvlist_free(newdev[i]);
if (count > 1)
@ -4761,8 +4782,9 @@ static vdev_t *
spa_vdev_resilver_done_hunt(vdev_t *vd)
{
vdev_t *newvd, *oldvd;
int c;
for (int c = 0; c < vd->vdev_children; c++) {
for (c = 0; c < vd->vdev_children; c++) {
oldvd = spa_vdev_resilver_done_hunt(vd->vdev_child[c]);
if (oldvd != NULL)
return (oldvd);
@ -4965,6 +4987,8 @@ 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;
@ -4983,19 +5007,21 @@ spa_async_remove(spa_t *spa, vdev_t *vd)
vdev_state_dirty(vd->vdev_top);
}
for (int c = 0; c < vd->vdev_children; c++)
for (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 (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
spa_async_probe(spa, vd->vdev_child[c]);
}
@ -5005,11 +5031,12 @@ spa_async_autoexpand(spa_t *spa, vdev_t *vd)
sysevent_id_t eid;
nvlist_t *attr;
char *physpath;
int c;
if (!spa->spa_autoexpand)
return;
for (int c = 0; c < vd->vdev_children; c++) {
for (c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
spa_async_autoexpand(spa, cvd);
}
@ -5033,7 +5060,7 @@ spa_async_autoexpand(spa_t *spa, vdev_t *vd)
static void
spa_async_thread(spa_t *spa)
{
int tasks;
int tasks, i;
ASSERT(spa->spa_sync_on);
@ -5072,9 +5099,9 @@ spa_async_thread(spa_t *spa)
if (tasks & SPA_ASYNC_REMOVE) {
spa_vdev_state_enter(spa, SCL_NONE);
spa_async_remove(spa, spa->spa_root_vdev);
for (int i = 0; i < spa->spa_l2cache.sav_count; i++)
for (i = 0; i < spa->spa_l2cache.sav_count; i++)
spa_async_remove(spa, spa->spa_l2cache.sav_vdevs[i]);
for (int i = 0; i < spa->spa_spares.sav_count; i++)
for (i = 0; i < spa->spa_spares.sav_count; i++)
spa_async_remove(spa, spa->spa_spares.sav_vdevs[i]);
(void) spa_vdev_state_exit(spa, NULL, 0);
}
@ -5460,6 +5487,7 @@ spa_sync(spa_t *spa, uint64_t txg)
vdev_t *vd;
dmu_tx_t *tx;
int error;
int c;
VERIFY(spa_writeable(spa));
@ -5593,7 +5621,7 @@ spa_sync(spa_t *spa, uint64_t txg)
int children = rvd->vdev_children;
int c0 = spa_get_random(children);
for (int c = 0; c < children; c++) {
for (c = 0; c < children; c++) {
vd = rvd->vdev_child[(c0 + c) % children];
if (vd->vdev_ms_array == 0 || vd->vdev_islog)
continue;

38
module/zfs/spa_misc.c
View File

@ -255,7 +255,9 @@ int zfs_recover = 0;
static void
spa_config_lock_init(spa_t *spa)
{
for (int i = 0; i < SCL_LOCKS; i++) {
int i;
for (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);
@ -268,7 +270,9 @@ spa_config_lock_init(spa_t *spa)
static void
spa_config_lock_destroy(spa_t *spa)
{
for (int i = 0; i < SCL_LOCKS; i++) {
int i;
for (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);
@ -281,7 +285,9 @@ spa_config_lock_destroy(spa_t *spa)
int
spa_config_tryenter(spa_t *spa, int locks, void *tag, krw_t rw)
{
for (int i = 0; i < SCL_LOCKS; i++) {
int i;
for (i = 0; i < SCL_LOCKS; i++) {
spa_config_lock_t *scl = &spa->spa_config_lock[i];
if (!(locks & (1 << i)))
continue;
@ -311,8 +317,9 @@ void
spa_config_enter(spa_t *spa, int locks, void *tag, krw_t rw)
{
int wlocks_held = 0;
int i;
for (int i = 0; i < SCL_LOCKS; i++) {
for (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);
@ -341,7 +348,9 @@ spa_config_enter(spa_t *spa, int locks, void *tag, krw_t rw)
void
spa_config_exit(spa_t *spa, int locks, void *tag)
{
for (int i = SCL_LOCKS - 1; i >= 0; i--) {
int i;
for (i = SCL_LOCKS - 1; i >= 0; i--) {
spa_config_lock_t *scl = &spa->spa_config_lock[i];
if (!(locks & (1 << i)))
continue;
@ -360,9 +369,9 @@ spa_config_exit(spa_t *spa, int locks, void *tag)
int
spa_config_held(spa_t *spa, int locks, krw_t rw)
{
int locks_held = 0;
int i, locks_held = 0;
for (int i = 0; i < SCL_LOCKS; i++) {
for (i = 0; i < SCL_LOCKS; i++) {
spa_config_lock_t *scl = &spa->spa_config_lock[i];
if (!(locks & (1 << i)))
continue;
@ -424,6 +433,7 @@ spa_add(const char *name, nvlist_t *config, const char *altroot)
{
spa_t *spa;
spa_config_dirent_t *dp;
int t;
ASSERT(MUTEX_HELD(&spa_namespace_lock));
@ -444,7 +454,7 @@ 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 (int t = 0; t < TXG_SIZE; t++)
for (t = 0; t < TXG_SIZE; t++)
bplist_create(&spa->spa_free_bplist[t]);
(void) strlcpy(spa->spa_name, name, sizeof (spa->spa_name));
@ -496,6 +506,7 @@ 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);
@ -526,7 +537,7 @@ spa_remove(spa_t *spa)
spa_config_lock_destroy(spa);
for (int t = 0; t < TXG_SIZE; t++)
for (t = 0; t < TXG_SIZE; t++)
bplist_destroy(&spa->spa_free_bplist[t]);
cv_destroy(&spa->spa_async_cv);
@ -877,10 +888,9 @@ 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;
@ -1454,8 +1464,9 @@ uint64_t
bp_get_dsize_sync(spa_t *spa, const blkptr_t *bp)
{
uint64_t dsize = 0;
int d;
for (int d = 0; d < SPA_DVAS_PER_BP; d++)
for (d = 0; d < SPA_DVAS_PER_BP; d++)
dsize += dva_get_dsize_sync(spa, &bp->blk_dva[d]);
return (dsize);
@ -1465,10 +1476,11 @@ 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 (int d = 0; d < SPA_DVAS_PER_BP; d++)
for (d = 0; d < SPA_DVAS_PER_BP; d++)
dsize += dva_get_dsize_sync(spa, &bp->blk_dva[d]);
spa_config_exit(spa, SCL_VDEV, FTAG);

99
module/zfs/vdev.c
View File

@ -85,8 +85,9 @@ 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 (int c = 0; c < vd->vdev_children; c++) {
for (c = 0; c < vd->vdev_children; c++) {
csize = vdev_psize_to_asize(vd->vdev_child[c], psize);
asize = MAX(asize, csize);
}
@ -132,9 +133,10 @@ 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 (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
vdev_set_min_asize(vd->vdev_child[c]);
}
@ -157,11 +159,12 @@ 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 (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
if ((mvd = vdev_lookup_by_guid(vd->vdev_child[c], guid)) !=
NULL)
return (mvd);
@ -252,16 +255,17 @@ 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 (int c = newc = 0; c < oldc; c++)
for (c = newc = 0; c < oldc; c++)
if (pvd->vdev_child[c])
newc++;
newchild = kmem_alloc(newc * sizeof (vdev_t *), KM_SLEEP);
for (int c = newc = 0; c < oldc; c++) {
for (c = newc = 0; c < oldc; c++) {
if ((cvd = pvd->vdev_child[c]) != NULL) {
newchild[newc] = cvd;
cvd->vdev_id = newc++;
@ -280,6 +284,7 @@ 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);
@ -315,7 +320,7 @@ vdev_alloc_common(spa_t *spa, uint_t id, uint64_t guid, vdev_ops_t *ops)
mutex_init(&vd->vdev_dtl_lock, NULL, MUTEX_DEFAULT, NULL);
mutex_init(&vd->vdev_stat_lock, NULL, MUTEX_DEFAULT, NULL);
mutex_init(&vd->vdev_probe_lock, NULL, MUTEX_DEFAULT, NULL);
for (int t = 0; t < DTL_TYPES; t++) {
for (t = 0; t < DTL_TYPES; t++) {
space_map_create(&vd->vdev_dtl[t], 0, -1ULL, 0,
&vd->vdev_dtl_lock);
}
@ -561,6 +566,7 @@ 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;
/*
@ -575,7 +581,7 @@ vdev_free(vdev_t *vd)
/*
* Free all children.
*/
for (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
vdev_free(vd->vdev_child[c]);
ASSERT(vd->vdev_child == NULL);
@ -624,7 +630,7 @@ vdev_free(vdev_t *vd)
txg_list_destroy(&vd->vdev_dtl_list);
mutex_enter(&vd->vdev_dtl_lock);
for (int t = 0; t < DTL_TYPES; t++) {
for (t = 0; t < DTL_TYPES; t++) {
space_map_unload(&vd->vdev_dtl[t]);
space_map_destroy(&vd->vdev_dtl[t]);
}
@ -707,12 +713,14 @@ 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 (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
vdev_top_update(tvd, vd->vdev_child[c]);
}
@ -960,6 +968,7 @@ 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);
@ -1029,7 +1038,7 @@ vdev_probe(vdev_t *vd, zio_t *zio)
return (NULL);
}
for (int l = 1; l < VDEV_LABELS; l++) {
for (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)),
@ -1058,10 +1067,12 @@ vdev_open_child(void *arg)
boolean_t
vdev_uses_zvols(vdev_t *vd)
{
int c;
if (vd->vdev_path && strncmp(vd->vdev_path, ZVOL_DIR,
strlen(ZVOL_DIR)) == 0)
return (B_TRUE);
for (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
if (vdev_uses_zvols(vd->vdev_child[c]))
return (B_TRUE);
return (B_FALSE);
@ -1072,6 +1083,7 @@ 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
@ -1079,7 +1091,7 @@ vdev_open_children(vdev_t *vd)
* spa_namespace_lock
*/
if (vdev_uses_zvols(vd)) {
for (int c = 0; c < children; c++)
for (c = 0; c < children; c++)
vd->vdev_child[c]->vdev_open_error =
vdev_open(vd->vdev_child[c]);
return;
@ -1087,9 +1099,9 @@ vdev_open_children(vdev_t *vd)
tq = taskq_create("vdev_open", children, minclsyspri,
children, children, TASKQ_PREPOPULATE);
for (int c = 0; c < children; c++)
for (c = 0; c < children; c++)
VERIFY(taskq_dispatch(tq, vdev_open_child, vd->vdev_child[c],
TQ_SLEEP) != NULL);
TQ_SLEEP) != 0);
taskq_destroy(tq);
}
@ -1105,6 +1117,7 @@ vdev_open(vdev_t *vd)
uint64_t osize = 0;
uint64_t 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);
@ -1183,7 +1196,7 @@ vdev_open(vdev_t *vd)
if (vd->vdev_ishole || vd->vdev_ops == &vdev_missing_ops)
return (0);
for (int c = 0; c < vd->vdev_children; c++) {
for (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);
@ -1292,8 +1305,9 @@ vdev_validate(vdev_t *vd)
nvlist_t *label;
uint64_t guid = 0, top_guid;
uint64_t state;
int c;
for (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
if (vdev_validate(vd->vdev_child[c]) != 0)
return (EBADF);
@ -1432,12 +1446,13 @@ 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 (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
vdev_hold(vd->vdev_child[c]);
if (vd->vdev_ops->vdev_op_leaf)
@ -1447,10 +1462,10 @@ vdev_hold(vdev_t *vd)
void
vdev_rele(vdev_t *vd)
{
spa_t *spa = vd->vdev_spa;
int c;
ASSERT(spa_is_root(spa));
for (int c = 0; c < vd->vdev_children; c++)
ASSERT(spa_is_root(vd->vdev_spa));
for (c = 0; c < vd->vdev_children; c++)
vdev_rele(vd->vdev_child[c]);
if (vd->vdev_ops->vdev_op_leaf)
@ -1643,11 +1658,11 @@ 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 minref;
int c, t, minref;
ASSERT(spa_config_held(spa, SCL_ALL, RW_READER) != 0);
for (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
vdev_dtl_reassess(vd->vdev_child[c], txg,
scrub_txg, scrub_done);
@ -1707,7 +1722,7 @@ vdev_dtl_reassess(vdev_t *vd, uint64_t txg, uint64_t scrub_txg, int scrub_done)
}
mutex_enter(&vd->vdev_dtl_lock);
for (int t = 0; t < DTL_TYPES; t++) {
for (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)
@ -1719,7 +1734,7 @@ 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_map_ref_create(&reftree);
for (int c = 0; c < vd->vdev_children; c++) {
for (c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
mutex_enter(&cvd->vdev_dtl_lock);
space_map_ref_add_map(&reftree, &cvd->vdev_dtl[s], 1);
@ -1869,6 +1884,7 @@ 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);
@ -1884,7 +1900,7 @@ vdev_resilver_needed(vdev_t *vd, uint64_t *minp, uint64_t *maxp)
}
mutex_exit(&vd->vdev_dtl_lock);
} else {
for (int c = 0; c < vd->vdev_children; c++) {
for (c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
uint64_t cmin, cmax;
@ -1906,10 +1922,12 @@ 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 (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
vdev_load(vd->vdev_child[c]);
/*
@ -1977,6 +1995,7 @@ 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;
tx = dmu_tx_create_assigned(spa_get_dsl(spa), txg);
@ -1987,7 +2006,7 @@ vdev_remove(vdev_t *vd, uint64_t txg)
}
if (vd->vdev_ms != NULL) {
for (int m = 0; m < vd->vdev_ms_count; m++) {
for (m = 0; m < vd->vdev_ms_count; m++) {
metaslab_t *msp = vd->vdev_ms[m];
if (msp == NULL || msp->ms_smo.smo_object == 0)
@ -2324,6 +2343,7 @@ 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);
@ -2334,7 +2354,7 @@ vdev_clear(spa_t *spa, vdev_t *vd)
vd->vdev_stat.vs_write_errors = 0;
vd->vdev_stat.vs_checksum_errors = 0;
for (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
vdev_clear(spa, vd->vdev_child[c]);
/*
@ -2448,6 +2468,7 @@ void
vdev_get_stats(vdev_t *vd, vdev_stat_t *vs)
{
vdev_t *rvd = vd->vdev_spa->spa_root_vdev;
int c, t;
mutex_enter(&vd->vdev_stat_lock);
bcopy(&vd->vdev_stat, vs, sizeof (*vs));
@ -2463,12 +2484,12 @@ vdev_get_stats(vdev_t *vd, vdev_stat_t *vs)
* over all top-level vdevs (i.e. the direct children of the root).
*/
if (vd == rvd) {
for (int c = 0; c < rvd->vdev_children; c++) {
for (c = 0; c < rvd->vdev_children; c++) {
vdev_t *cvd = rvd->vdev_child[c];
vdev_stat_t *cvs = &cvd->vdev_stat;
mutex_enter(&vd->vdev_stat_lock);
for (int t = 0; t < ZIO_TYPES; t++) {
for (t = 0; t < ZIO_TYPES; t++) {
vs->vs_ops[t] += cvs->vs_ops[t];
vs->vs_bytes[t] += cvs->vs_bytes[t];
}
@ -2492,8 +2513,9 @@ void
vdev_scan_stat_init(vdev_t *vd)
{
vdev_stat_t *vs = &vd->vdev_stat;
int c;
for (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
vdev_scan_stat_init(vd->vdev_child[c]);
mutex_enter(&vd->vdev_stat_lock);
@ -2834,9 +2856,10 @@ 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 (int c = 0; c < vd->vdev_children; c++) {
for (c = 0; c < vd->vdev_children; c++) {
child = vd->vdev_child[c];
/*
@ -3026,6 +3049,8 @@ vdev_set_state(vdev_t *vd, boolean_t isopen, vdev_state_t state, vdev_aux_t aux)
boolean_t
vdev_is_bootable(vdev_t *vd)
{
int c;
if (!vd->vdev_ops->vdev_op_leaf) {
char *vdev_type = vd->vdev_ops->vdev_op_type;
@ -3040,7 +3065,7 @@ vdev_is_bootable(vdev_t *vd)
return (B_FALSE);
}
for (int c = 0; c < vd->vdev_children; c++) {
for (c = 0; c < vd->vdev_children; c++) {
if (!vdev_is_bootable(vd->vdev_child[c]))
return (B_FALSE);
}
@ -3056,13 +3081,13 @@ vdev_is_bootable(vdev_t *vd)
void
vdev_load_log_state(vdev_t *nvd, vdev_t *ovd)
{
spa_t *spa = nvd->vdev_spa;
int c;
ASSERT(nvd->vdev_top->vdev_islog);
ASSERT(spa_config_held(spa, SCL_STATE_ALL, RW_WRITER) == SCL_STATE_ALL);
ASSERT3U(nvd->vdev_guid, ==, ovd->vdev_guid);
for (int c = 0; c < nvd->vdev_children; c++)
for (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) {
@ -3084,11 +3109,13 @@ 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 (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
if (vdev_log_state_valid(vd->vdev_child[c]))
return (B_TRUE);

41
module/zfs/vdev_label.c
View File

@ -437,6 +437,7 @@ vdev_label_read_config(vdev_t *vd)
zio_t *zio;
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);
@ -446,7 +447,7 @@ vdev_label_read_config(vdev_t *vd)
vp = zio_buf_alloc(sizeof (vdev_phys_t));
retry:
for (int l = 0; l < VDEV_LABELS; l++) {
for (l = 0; l < VDEV_LABELS; l++) {
zio = zio_root(spa, NULL, NULL, flags);
@ -611,10 +612,12 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
int error;
uint64_t spare_guid, l2cache_guid;
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 (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
if ((error = vdev_label_init(vd->vdev_child[c],
crtxg, reason)) != 0)
return (error);
@ -650,7 +653,7 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
vd->vdev_guid += guid_delta;
for (vdev_t *pvd = vd; pvd != NULL; pvd = pvd->vdev_parent)
for (pvd = vd; pvd != NULL; pvd = pvd->vdev_parent)
pvd->vdev_guid_sum += guid_delta;
/*
@ -670,7 +673,7 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
vd->vdev_guid += guid_delta;
for (vdev_t *pvd = vd; pvd != NULL; pvd = pvd->vdev_parent)
for (pvd = vd; pvd != NULL; pvd = pvd->vdev_parent)
pvd->vdev_guid_sum += guid_delta;
/*
@ -770,7 +773,7 @@ vdev_label_init(vdev_t *vd, uint64_t crtxg, vdev_labeltype_t reason)
retry:
zio = zio_root(spa, NULL, NULL, flags);
for (int l = 0; l < VDEV_LABELS; l++) {
for (l = 0; l < VDEV_LABELS; l++) {
vdev_label_write(zio, vd, l, vp,
offsetof(vdev_label_t, vl_vdev_phys),
@ -881,6 +884,7 @@ vdev_uberblock_load(zio_t *zio, vdev_t *vd, uberblock_t *ubbest)
vdev_t *rvd = spa->spa_root_vdev;
int flags = ZIO_FLAG_CONFIG_WRITER | ZIO_FLAG_CANFAIL |
ZIO_FLAG_SPECULATIVE | ZIO_FLAG_TRYHARD;
int c, l, n;
if (vd == rvd) {
ASSERT(zio == NULL);
@ -891,12 +895,12 @@ vdev_uberblock_load(zio_t *zio, vdev_t *vd, uberblock_t *ubbest)
ASSERT(zio != NULL);
for (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
vdev_uberblock_load(zio, vd->vdev_child[c], ubbest);
if (vd->vdev_ops->vdev_op_leaf && vdev_readable(vd)) {
for (int l = 0; l < VDEV_LABELS; l++) {
for (int n = 0; n < VDEV_UBERBLOCK_COUNT(vd); n++) {
for (l = 0; l < VDEV_LABELS; l++) {
for (n = 0; n < VDEV_UBERBLOCK_COUNT(vd); n++) {
vdev_label_read(zio, vd, l,
zio_buf_alloc(VDEV_UBERBLOCK_SIZE(vd)),
VDEV_UBERBLOCK_OFFSET(vd, n),
@ -932,9 +936,9 @@ static void
vdev_uberblock_sync(zio_t *zio, uberblock_t *ub, vdev_t *vd, int flags)
{
uberblock_t *ubbuf;
int n;
int c, l, n;
for (int c = 0; c < vd->vdev_children; c++)
for (c = 0; c < vd->vdev_children; c++)
vdev_uberblock_sync(zio, ub, vd->vdev_child[c], flags);
if (!vd->vdev_ops->vdev_op_leaf)
@ -949,7 +953,7 @@ vdev_uberblock_sync(zio_t *zio, uberblock_t *ub, vdev_t *vd, int flags)
bzero(ubbuf, VDEV_UBERBLOCK_SIZE(vd));
*ubbuf = *ub;
for (int l = 0; l < VDEV_LABELS; l++)
for (l = 0; l < VDEV_LABELS; l++)
vdev_label_write(zio, vd, l, ubbuf,
VDEV_UBERBLOCK_OFFSET(vd, n), VDEV_UBERBLOCK_SIZE(vd),
vdev_uberblock_sync_done, zio->io_private,
@ -964,10 +968,11 @@ 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 (int v = 0; v < svdcount; v++)
for (v = 0; v < svdcount; v++)
vdev_uberblock_sync(zio, ub, svd[v], flags);
(void) zio_wait(zio);
@ -979,7 +984,7 @@ vdev_uberblock_sync_list(vdev_t **svd, int svdcount, uberblock_t *ub, int flags)
*/
zio = zio_root(spa, NULL, NULL, flags);
for (int v = 0; v < svdcount; v++)
for (v = 0; v < svdcount; v++)
zio_flush(zio, svd[v]);
(void) zio_wait(zio);
@ -1032,8 +1037,9 @@ vdev_label_sync(zio_t *zio, vdev_t *vd, int l, uint64_t txg, int flags)
vdev_phys_t *vp;
char *buf;
size_t buflen;
int c;
for (int c = 0; c < vd->vdev_children; c++)
for (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)
@ -1081,12 +1087,13 @@ vdev_label_sync_list(spa_t *spa, int l, uint64_t txg, int flags)
zio = zio_root(spa, NULL, NULL, flags);
for (vd = list_head(dl); vd != NULL; vd = list_next(dl, vd)) {
uint64_t *good_writes = kmem_zalloc(sizeof (uint64_t),
KM_SLEEP);
uint64_t *good_writes;
zio_t *vio;
ASSERT(!vd->vdev_ishole);
zio_t *vio = zio_null(zio, spa, NULL,
good_writes = kmem_zalloc(sizeof (uint64_t), KM_SLEEP);
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

@ -131,6 +131,7 @@ vdev_mirror_open(vdev_t *vd, uint64_t *asize, uint64_t *ashift)
{
int numerrors = 0;
int lasterror = 0;
int c;
if (vd->vdev_children == 0) {
vd->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL;
@ -139,7 +140,7 @@ vdev_mirror_open(vdev_t *vd, uint64_t *asize, uint64_t *ashift)
vdev_open_children(vd);
for (int c = 0; c < vd->vdev_children; c++) {
for (c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
if (cvd->vdev_open_error) {
@ -163,7 +164,9 @@ vdev_mirror_open(vdev_t *vd, uint64_t *asize, uint64_t *ashift)
static void
vdev_mirror_close(vdev_t *vd)
{
for (int c = 0; c < vd->vdev_children; c++)
int c;
for (c = 0; c < vd->vdev_children; c++)
vdev_close(vd->vdev_child[c]);
}
@ -311,9 +314,9 @@ vdev_mirror_io_start(zio_t *zio)
static int
vdev_mirror_worst_error(mirror_map_t *mm)
{
int error[2] = { 0, 0 };
int c, error[2] = { 0, 0 };
for (int c = 0; c < mm->mm_children; c++) {
for (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

@ -383,12 +383,13 @@ void
vdev_queue_io_done(zio_t *zio)
{
vdev_queue_t *vq = &zio->io_vd->vdev_queue;
int i;
mutex_enter(&vq->vq_lock);
avl_remove(&vq->vq_pending_tree, zio);
for (int i = 0; i < zfs_vdev_ramp_rate; i++) {
for (i = 0; i < zfs_vdev_ramp_rate; i++) {
zio_t *nio = vdev_queue_io_to_issue(vq, zfs_vdev_max_pending);
if (nio == NULL)
break;

4
module/zfs/vdev_raidz.c
View File

@ -1692,9 +1692,9 @@ static uint64_t raidz_corrected[1 << VDEV_RAIDZ_MAXPARITY];
static int
vdev_raidz_worst_error(raidz_map_t *rm)
{
int error = 0;
int c, error = 0;
for (int c = 0; c < rm->rm_cols; c++)
for (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

@ -54,6 +54,7 @@ vdev_root_open(vdev_t *vd, uint64_t *asize, uint64_t *ashift)
{
int lasterror = 0;
int numerrors = 0;
int c;
if (vd->vdev_children == 0) {
vd->vdev_stat.vs_aux = VDEV_AUX_BAD_LABEL;
@ -62,7 +63,7 @@ vdev_root_open(vdev_t *vd, uint64_t *asize, uint64_t *ashift)
vdev_open_children(vd);
for (int c = 0; c < vd->vdev_children; c++) {
for (c = 0; c < vd->vdev_children; c++) {
vdev_t *cvd = vd->vdev_child[c];
if (cvd->vdev_open_error && !cvd->vdev_islog) {
@ -85,7 +86,9 @@ vdev_root_open(vdev_t *vd, uint64_t *asize, uint64_t *ashift)
static void
vdev_root_close(vdev_t *vd)
{
for (int c = 0; c < vd->vdev_children; c++)
int c;
for (c = 0; c < vd->vdev_children; c++)
vdev_close(vd->vdev_child[c]);
}

4
module/zfs/zfs_znode.c
View File

@ -1919,8 +1919,8 @@ zfs_grab_sa_handle(objset_t *osp, uint64_t obj, sa_handle_t **hdlp,
dmu_object_info_from_db(*db, &doi);
if ((doi.doi_bonus_type != DMU_OT_SA &&
doi.doi_bonus_type != DMU_OT_ZNODE) ||
doi.doi_bonus_type == DMU_OT_ZNODE &&
doi.doi_bonus_size < sizeof (znode_phys_t)) {
(doi.doi_bonus_type == DMU_OT_ZNODE &&
doi.doi_bonus_size < sizeof (znode_phys_t))) {
sa_buf_rele(*db, FTAG);
return (ENOTSUP);
}

6
module/zfs/zil.c
View File

@ -1620,6 +1620,7 @@ 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);
@ -1634,7 +1635,7 @@ zil_alloc(objset_t *os, zil_header_t *zh_phys)
mutex_init(&zilog->zl_lock, NULL, MUTEX_DEFAULT, NULL);
for (int i = 0; i < TXG_SIZE; i++) {
for (i = 0; i < TXG_SIZE; i++) {
mutex_init(&zilog->zl_itxg[i].itxg_lock, NULL,
MUTEX_DEFAULT, NULL);
}
@ -1662,6 +1663,7 @@ void
zil_free(zilog_t *zilog)
{
lwb_t *head_lwb;
int i;
zilog->zl_stop_sync = 1;
@ -1683,7 +1685,7 @@ zil_free(zilog_t *zilog)
ASSERT(list_is_empty(&zilog->zl_itx_commit_list));
list_destroy(&zilog->zl_itx_commit_list);
for (int i = 0; i < TXG_SIZE; i++) {
for (i = 0; i < TXG_SIZE; i++) {
/*
* It's possible for an itx to be generated that doesn't dirty
* a txg (e.g. ztest TX_TRUNCATE). So there's no zil_clean()

51
module/zfs/zio.c
View File

@ -366,6 +366,7 @@ 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.
@ -383,7 +384,7 @@ zio_add_child(zio_t *pio, zio_t *cio)
ASSERT(pio->io_state[ZIO_WAIT_DONE] == 0);
for (int w = 0; w < ZIO_WAIT_TYPES; w++)
for (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);
@ -993,8 +994,8 @@ zio_write_bp_init(zio_t *zio)
*/
if (bp->blk_birth == zio->io_txg && BP_GET_PSIZE(bp) == psize &&
pass > SYNC_PASS_REWRITE) {
ASSERT(psize != 0);
enum zio_stage gang_stages = zio->io_pipeline & ZIO_GANG_STAGES;
ASSERT(psize != 0);
zio->io_pipeline = ZIO_REWRITE_PIPELINE | gang_stages;
zio->io_flags |= ZIO_FLAG_IO_REWRITE;
} else {
@ -1081,8 +1082,9 @@ zio_taskq_member(zio_t *zio, enum zio_taskq_type q)
{
kthread_t *executor = zio->io_executor;
spa_t *spa = zio->io_spa;
zio_type_t t;
for (zio_type_t t = 0; t < ZIO_TYPES; t++)
for (t = 0; t < ZIO_TYPES; t++)
if (taskq_member(spa->spa_zio_taskq[t][q], executor))
return (B_TRUE);
@ -1223,6 +1225,7 @@ static void
zio_reexecute(zio_t *pio)
{
zio_t *cio, *cio_next;
int c, w;
ASSERT(pio->io_child_type == ZIO_CHILD_LOGICAL);
ASSERT(pio->io_orig_stage == ZIO_STAGE_OPEN);
@ -1234,9 +1237,9 @@ zio_reexecute(zio_t *pio)
pio->io_pipeline = pio->io_orig_pipeline;
pio->io_reexecute = 0;
pio->io_error = 0;
for (int w = 0; w < ZIO_WAIT_TYPES; w++)
for (w = 0; w < ZIO_WAIT_TYPES; w++)
pio->io_state[w] = 0;
for (int c = 0; c < ZIO_CHILD_TYPES; c++)
for (c = 0; c < ZIO_CHILD_TYPES; c++)
pio->io_child_error[c] = 0;
if (IO_IS_ALLOCATING(pio))
@ -1252,7 +1255,7 @@ zio_reexecute(zio_t *pio)
for (cio = zio_walk_children(pio); cio != NULL; cio = cio_next) {
cio_next = zio_walk_children(pio);
mutex_enter(&pio->io_lock);
for (int w = 0; w < ZIO_WAIT_TYPES; w++)
for (w = 0; w < ZIO_WAIT_TYPES; w++)
pio->io_children[cio->io_child_type][w]++;
mutex_exit(&pio->io_lock);
zio_reexecute(cio);
@ -1488,8 +1491,9 @@ static void
zio_gang_node_free(zio_gang_node_t **gnpp)
{
zio_gang_node_t *gn = *gnpp;
int g;
for (int g = 0; g < SPA_GBH_NBLKPTRS; g++)
for (g = 0; g < SPA_GBH_NBLKPTRS; g++)
ASSERT(gn->gn_child[g] == NULL);
zio_buf_free(gn->gn_gbh, SPA_GANGBLOCKSIZE);
@ -1501,11 +1505,12 @@ static void
zio_gang_tree_free(zio_gang_node_t **gnpp)
{
zio_gang_node_t *gn = *gnpp;
int g;
if (gn == NULL)
return;
for (int g = 0; g < SPA_GBH_NBLKPTRS; g++)
for (g = 0; g < SPA_GBH_NBLKPTRS; g++)
zio_gang_tree_free(&gn->gn_child[g]);
zio_gang_node_free(gnpp);
@ -1530,6 +1535,7 @@ 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);
@ -1544,7 +1550,7 @@ zio_gang_tree_assemble_done(zio_t *zio)
ASSERT(zio->io_size == SPA_GANGBLOCKSIZE);
ASSERT(gn->gn_gbh->zg_tail.zec_magic == ZEC_MAGIC);
for (int g = 0; g < SPA_GBH_NBLKPTRS; g++) {
for (g = 0; g < SPA_GBH_NBLKPTRS; g++) {
blkptr_t *gbp = &gn->gn_gbh->zg_blkptr[g];
if (!BP_IS_GANG(gbp))
continue;
@ -1557,6 +1563,7 @@ zio_gang_tree_issue(zio_t *pio, zio_gang_node_t *gn, blkptr_t *bp, void *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));
@ -1571,7 +1578,7 @@ zio_gang_tree_issue(zio_t *pio, zio_gang_node_t *gn, blkptr_t *bp, void *data)
if (gn != NULL) {
ASSERT(gn->gn_gbh->zg_tail.zec_magic == ZEC_MAGIC);
for (int g = 0; g < SPA_GBH_NBLKPTRS; g++) {
for (g = 0; g < SPA_GBH_NBLKPTRS; g++) {
blkptr_t *gbp = &gn->gn_gbh->zg_blkptr[g];
if (BP_IS_HOLE(gbp))
continue;
@ -1631,6 +1638,7 @@ 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;
if (BP_IS_HOLE(zio->io_bp))
return;
@ -1644,7 +1652,7 @@ 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 (int d = 0; d < BP_GET_NDVAS(zio->io_bp); d++) {
for (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]);
@ -1668,7 +1676,7 @@ zio_write_gang_block(zio_t *pio)
int copies = gio->io_prop.zp_copies;
int gbh_copies = MIN(copies + 1, spa_max_replication(spa));
zio_prop_t zp;
int error;
int g, error;
error = metaslab_alloc(spa, spa_normal_class(spa), SPA_GANGBLOCKSIZE,
bp, gbh_copies, txg, pio == gio ? NULL : gio->io_bp,
@ -1698,7 +1706,7 @@ zio_write_gang_block(zio_t *pio)
/*
* Create and nowait the gang children.
*/
for (int g = 0; resid != 0; resid -= lsize, g++) {
for (g = 0; resid != 0; resid -= lsize, g++) {
lsize = P2ROUNDUP(resid / (SPA_GBH_NBLKPTRS - g),
SPA_MINBLOCKSIZE);
ASSERT(lsize >= SPA_MINBLOCKSIZE && lsize <= resid);
@ -1756,6 +1764,7 @@ 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);
@ -1774,7 +1783,7 @@ zio_ddt_read_start(zio_t *zio)
if (ddp_self == NULL)
return (ZIO_PIPELINE_CONTINUE);
for (int p = 0; p < DDT_PHYS_TYPES; p++, ddp++) {
for (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,
@ -1836,6 +1845,7 @@ static boolean_t
zio_ddt_collision(zio_t *zio, ddt_t *ddt, ddt_entry_t *dde)
{
spa_t *spa = zio->io_spa;
int p;
/*
* Note: we compare the original data, not the transformed data,
@ -1843,7 +1853,7 @@ zio_ddt_collision(zio_t *zio, ddt_t *ddt, ddt_entry_t *dde)
* pushed the I/O transforms. That's an important optimization
* because otherwise we'd compress/encrypt all dmu_sync() data twice.
*/
for (int p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) {
for (p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) {
zio_t *lio = dde->dde_lead_zio[p];
if (lio != NULL) {
@ -1853,7 +1863,7 @@ zio_ddt_collision(zio_t *zio, ddt_t *ddt, ddt_entry_t *dde)
}
}
for (int p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) {
for (p = DDT_PHYS_SINGLE; p <= DDT_PHYS_TRIPLE; p++) {
ddt_phys_t *ddp = &dde->dde_phys[p];
if (ddp->ddp_phys_birth != 0) {
@ -2161,6 +2171,8 @@ 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);
@ -2168,7 +2180,7 @@ 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 (int g = 0; g < SPA_GBH_NBLKPTRS; g++) {
for (g = 0; g < SPA_GBH_NBLKPTRS; g++) {
zio_dva_unallocate(zio, gn->gn_child[g],
&gn->gn_gbh->zg_blkptr[g]);
}
@ -2655,6 +2667,7 @@ zio_done(zio_t *zio)
vdev_t *vd = zio->io_vd;
uint64_t psize = zio->io_size;
zio_t *pio, *pio_next;
int c, w;
/*
* If our children haven't all completed,
@ -2666,8 +2679,8 @@ zio_done(zio_t *zio)
zio_wait_for_children(zio, ZIO_CHILD_LOGICAL, ZIO_WAIT_DONE))
return (ZIO_PIPELINE_STOP);
for (int c = 0; c < ZIO_CHILD_TYPES; c++)
for (int w = 0; w < ZIO_WAIT_TYPES; w++)
for (c = 0; c < ZIO_CHILD_TYPES; c++)
for (w = 0; w < ZIO_WAIT_TYPES; w++)
ASSERT(zio->io_children[c][w] == 0);
if (bp != NULL) {

4
module/zfs/zrlock.c
View File

@ -163,9 +163,11 @@ zrl_exit(zrlock_t *zrl)
int
zrl_refcount(zrlock_t *zrl)
{
int n;
ASSERT(zrl->zr_refcount > ZRL_DESTROYED);
int n = (int)zrl->zr_refcount;
n = (int)zrl->zr_refcount;
return (n <= 0 ? 0 : n);
}