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| author | Anand Jain <anand.jain@oracle.com> | 2023-10-04 18:00:24 +0300 |
|---|---|---|
| committer | David Sterba <dsterba@suse.com> | 2023-10-12 17:44:18 +0300 |
| commit | 000331bb0350366219887d14ae8a921ae9e72269 (patch) | |
| tree | 70f5f9ba957bce7a744b79f9637c1e36147e2789 /fs/btrfs | |
| parent | 3cf63ddf29f94cfedae12a6ebebeaedbfc5d5de1 (diff) | |
| download | linux-000331bb0350366219887d14ae8a921ae9e72269.tar.xz | |
btrfs: update comment for temp-fsid, fsid, and metadata_uuid
Update the comment to explain the relationship between temp_fsid, fsid,
and metadata_uuid.
Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
Diffstat (limited to 'fs/btrfs')
| -rw-r--r-- | fs/btrfs/volumes.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/fs/btrfs/volumes.h b/fs/btrfs/volumes.h index fef46c0dbf19..5dd4ad775e5d 100644 --- a/fs/btrfs/volumes.h +++ b/fs/btrfs/volumes.h @@ -299,6 +299,10 @@ struct btrfs_fs_devices { * - When the BTRFS_FEATURE_INCOMPAT_METADATA_UUID flag is set: * fs_devices->fsid == sb->fsid * fs_devices->metadata_uuid == sb->metadata_uuid + * + * - When in-memory fs_devices->temp_fsid is true + * fs_devices->fsid = random + * fs_devices->metadata_uuid == sb->fsid */ u8 metadata_uuid[BTRFS_FSID_SIZE]; |