Commit 62be7afc authored by Naohiro Aota's avatar Naohiro Aota Committed by David Sterba
Browse files

btrfs: zoned: requeue to unused block group list if zone finish failed 



btrfs_zone_finish() can fail for several reason. If it is -EAGAIN, we need
to try it again later. So, put the block group to the retry list properly.

Failing to do so will keep the removable block group intact until remount
and can causes unnecessary ENOSPC.

Fixes: 74e91b12 ("btrfs: zoned: zone finish unused block group")
CC: stable@vger.kernel.org # 6.1+
Reviewed-by: default avatarJohannes Thumshirn <johannes.thumshirn@wdc.com>
Signed-off-by: default avatarNaohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: default avatarDavid Sterba <dsterba@suse.com>
parent 30618014

fs/btrfs/block-group.c

+3 −1
Original line number Diff line number Diff line
@@ -1639,8 +1639,10 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) 
		ret = btrfs_zone_finish(block_group);

		if (ret < 0) {

			btrfs_dec_block_group_ro(block_group);

			if (ret == -EAGAIN)

			if (ret == -EAGAIN) {

				btrfs_link_bg_list(block_group, &retry_list);

				ret = 0;

			}

			goto next;

		}