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-rw-r--r--module/zfs/spa.c86
1 files changed, 57 insertions, 29 deletions
diff --git a/module/zfs/spa.c b/module/zfs/spa.c
index b6190e4cf..9ae16d316 100644
--- a/module/zfs/spa.c
+++ b/module/zfs/spa.c
@@ -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;
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-29 10:39:49 +0000