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| author |  Naohiro Aota <naohiro.aota@wdc.com>
| 2021-02-04 19:21:56 +0900 |
|---|---|---|
| committer |  David Sterba <dsterba@suse.com>
| 2021-02-09 02:46:04 +0100 |
| commit | dcba6e48b518e5e48522e9ea2b73b60827c93146 (patch) | |
| tree | c792078c2e5abb52dc23f73fd302f57d033ea106 /fs/btrfs/block-group.c | |
| parent | btrfs: zoned: advance allocation pointer after tree log node (diff) | |
| download | linux-dcba6e48b518e5e48522e9ea2b73b60827c93146.tar.gz linux-dcba6e48b518e5e48522e9ea2b73b60827c93146.tar.bz2 linux-dcba6e48b518e5e48522e9ea2b73b60827c93146.zip | |
btrfs: zoned: reset zones of unused block groups
We must reset the zones of a deleted unused block group to rewind the
zones' write pointers to the zones' start.
To do this, we can use the DISCARD_SYNC code to do the reset when the
filesystem is running on zoned devices.
Reviewed-by: Josef Bacik <josef@toxicpanda.com>
Reviewed-by: Anand Jain <anand.jain@oracle.com>
Signed-off-by: Naohiro Aota <naohiro.aota@wdc.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs/block-group.c')
| -rw-r--r-- | fs/btrfs/block-group.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/fs/btrfs/block-group.c b/fs/btrfs/block-group.c index 63093cfb807e..70a0c0f8f99f 100644 --- a/fs/btrfs/block-group.c +++ b/fs/btrfs/block-group.c @@ -1408,8 +1408,12 @@ void btrfs_delete_unused_bgs(struct btrfs_fs_info *fs_info) if (!async_trim_enabled && btrfs_test_opt(fs_info, DISCARD_ASYNC)) goto flip_async; - /* DISCARD can flip during remount */ - trimming = btrfs_test_opt(fs_info, DISCARD_SYNC); + /* + * DISCARD can flip during remount. On zoned filesystems, we + * need to reset sequential-required zones. + */ + trimming = btrfs_test_opt(fs_info, DISCARD_SYNC) || + btrfs_is_zoned(fs_info); /* Implicit trim during transaction commit. */ if (trimming) |