mirrors/linux-stable
1
0
Fork 0
mirror of https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git synced 2024-09-27 21:03:32 +00:00
Code Issues Releases Wiki Activity

btrfs: zoned: activate necessary block group

Browse source 
[ Upstream commit b6a98021e4 ]

There are two places where allocating a chunk is not enough. These two
places are trying to ensure the space by allocating a chunk. To meet the
condition for active_total_bytes, we also need to activate a block group
there.

CC: stable@vger.kernel.org # 5.16+
Fixes: afba2bc036 ("btrfs: zoned: implement active zone tracking")
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Naohiro Aota 2022-07-09 08:18:48 +09:00 committed by Greg Kroah-Hartman
parent a471473664
commit b89cef7fab
1 changed files with 16 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

16
fs/btrfs/block-group.c
View file

@ -2659,6 +2659,14 @@ int btrfs_inc_block_group_ro(struct btrfs_block_group *cache,
ret = btrfs_chunk_alloc(trans, alloc_flags, CHUNK_ALLOC_FORCE);
if (ret < 0)
goto out;
/*
* We have allocated a new chunk. We also need to activate that chunk to
* grant metadata tickets for zoned filesystem.
*/
ret = btrfs_zoned_activate_one_bg(fs_info, cache->space_info, true);
if (ret < 0)
goto out;
ret = inc_block_group_ro(cache, 0);
if (ret == -ETXTBSY)
goto unlock_out;
@ -3853,6 +3861,14 @@ static void reserve_chunk_space(struct btrfs_trans_handle *trans,
if (IS_ERR(bg)) {
ret = PTR_ERR(bg);
} else {
/*
* We have a new chunk. We also need to activate it for
* zoned filesystem.
*/
ret = btrfs_zoned_activate_one_bg(fs_info, info, true);
if (ret < 0)
return;
/*
* If we fail to add the chunk item here, we end up
* trying again at phase 2 of chunk allocation, at