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btrfs: zoned: move non-changing condition check out of the loop

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btrfs_zone_activate() checks if block_group->alloc_offset ==
block_group->zone_capacity every time it iterates the loop. But, it is
not depending on the index. Move out the check and do it only once.

Fixes: f9a912a3c4 ("btrfs: zoned: make zone activation multi stripe capable")
Reviewed-by: Johannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
This commit is contained in:
Naohiro Aota 2022-05-03 14:10:04 -07:00 committed by David Sterba
parent 9f73f1aef9
commit 549577127a
1 changed files with 6 additions and 6 deletions
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12
fs/btrfs/zoned.c
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@ -1835,6 +1835,12 @@ bool btrfs_zone_activate(struct btrfs_block_group *block_group)
goto out_unlock;
}
/* No space left */
if (block_group->alloc_offset == block_group->zone_capacity) {
ret = false;
goto out_unlock;
}
for (i = 0; i < map->num_stripes; i++) {
device = map->stripes[i].dev;
physical = map->stripes[i].physical;
@ -1842,12 +1848,6 @@ bool btrfs_zone_activate(struct btrfs_block_group *block_group)
if (device->zone_info->max_active_zones == 0)
continue;
/* No space left */
if (block_group->alloc_offset == block_group->zone_capacity) {
ret = false;
goto out_unlock;
}
if (!btrfs_dev_set_active_zone(device, physical)) {
/* Cannot activate the zone */
ret = false;