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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
Download Patch File Download Diff File Expand all files Collapse all files
module/zfs/vdev.c
+38 -76
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);