btrfs: comment about fsid and metadata_uuid relationship
authorAnand Jain <anand.jain@oracle.com>
Wed, 6 Sep 2023 16:16:41 +0000 (00:16 +0800)
committerDavid Sterba <dsterba@suse.com>
Thu, 12 Oct 2023 14:44:04 +0000 (16:44 +0200)
commitcb6eb4757e1ea7867bcfe4b8a8b6199cc803b8c2
treeb2b58187b5183d6e58e3751bbf44987418cddce1
parent1246873114cf6e4cfbd9530ba70911f6c802510d
btrfs: comment about fsid and metadata_uuid relationship

Add a comment explaining the relationship between fsid and metadata_uuid
in the on-disk superblock and the in-memory struct btrfs_fs_devices.

Signed-off-by: Anand Jain <anand.jain@oracle.com>
Reviewed-by: David Sterba <dsterba@suse.com>
Signed-off-by: David Sterba <dsterba@suse.com>
fs/btrfs/volumes.h