From: Naohiro Aota Date: Thu, 19 Aug 2021 12:19:19 +0000 (+0900) Subject: btrfs: zoned: activate block group on allocation X-Git-Tag: v6.6.17~8610^2~129 X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=2e654e4bb9aca11abf36ae37202daecf396e0119;p=platform%2Fkernel%2Flinux-rpi.git 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 Signed-off-by: David Sterba --- 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);