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Diffstat (limited to 'fs/btrfs/volumes.h')
| -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]; |