summaryrefslogtreecommitdiffstats
path: root/module/zfs/metaslab.c
diff options
context:
space:
mode:
Diffstat (limited to 'module/zfs/metaslab.c')
-rw-r--r--module/zfs/metaslab.c35
1 files changed, 20 insertions, 15 deletions
diff --git a/module/zfs/metaslab.c b/module/zfs/metaslab.c
index 17b4b12c4..1722a53fc 100644
--- a/module/zfs/metaslab.c
+++ b/module/zfs/metaslab.c
@@ -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;