diff options
author | Naohiro Aota <naohiro.aota@wdc.com> | 2021-08-19 15:19:19 +0300 |
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committer | David Sterba <dsterba@suse.com> | 2021-10-26 20:07:59 +0300 |
commit | 2e654e4bb9aca11abf36ae37202daecf396e0119 (patch) | |
tree | 4972cc0171315d602589d78af3df727f9c95cead /fs/btrfs/extent-tree.c | |
parent | 68a384b5ab4d3925c35f94ab5723c39bf605466c (diff) | |
download | linux-2e654e4bb9aca11abf36ae37202daecf396e0119.tar.xz |
btrfs: zoned: activate block group on allocation
Activate a block group when trying to allocate an extent from it. We check
read-only case and no space left case before trying to activate a block
group not to consume the number of active zones uselessly.
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/extent-tree.c')
-rw-r--r-- | fs/btrfs/extent-tree.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/fs/btrfs/extent-tree.c b/fs/btrfs/extent-tree.c index 165acee66b07..e0932624c53c 100644 --- a/fs/btrfs/extent-tree.c +++ b/fs/btrfs/extent-tree.c @@ -3773,6 +3773,18 @@ static int do_allocation_zoned(struct btrfs_block_group *block_group, if (skip) return 1; + /* Check RO and no space case before trying to activate it */ + spin_lock(&block_group->lock); + if (block_group->ro || + block_group->alloc_offset == block_group->zone_capacity) { + spin_unlock(&block_group->lock); + return 1; + } + spin_unlock(&block_group->lock); + + if (!btrfs_zone_activate(block_group)) + return 1; + spin_lock(&space_info->lock); spin_lock(&block_group->lock); spin_lock(&fs_info->treelog_bg_lock); |