diff options
Diffstat (limited to 'lib/btrfs/btrfsitem/item_uuid.go')
| -rw-r--r-- | lib/btrfs/btrfsitem/item_uuid.go | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/lib/btrfs/btrfsitem/item_uuid.go b/lib/btrfs/btrfsitem/item_uuid.go index fca409d..a5ace33 100644 --- a/lib/btrfs/btrfsitem/item_uuid.go +++ b/lib/btrfs/btrfsitem/item_uuid.go @@ -11,11 +11,16 @@ import ( "git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsprim" ) -// The Key for this item is a UUID, and the item is a subvolume IDs +// A UUIDMap item goes in the UUID_TREE and maps from a UUID to a +// btrfsprim.ObjID. +// +// The Key for this item is a UUID, and the item is a subvolume ID // that UUID maps to. // -// key.objectid = first half of UUID -// key.offset = second half of UUID +// Key: +// +// key.objectid = first half of UUID +// key.offset = second half of UUID type UUIDMap struct { // trivial UUID_SUBVOL=251 UUID_RECEIVED_SUBVOL=252 ObjID btrfsprim.ObjID `bin:"off=0, siz=8"` binstruct.End `bin:"off=8"` |