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authorLuke Shumaker <lukeshu@lukeshu.com>2022-12-20 21:17:21 -0700
committerLuke Shumaker <lukeshu@lukeshu.com>2022-12-20 21:20:23 -0700
commitf7701686ccdb294e3a67f24a3b333342925e89bc (patch)
tree36e31af9b5d631e34667346049e6e094acf05aab /lib/btrfs/btrfsitem
parentabd7485b9fb78db233839effcd06e69d44da3859 (diff)
rebuildnodes: rebuild_graph.go: Have Root items want their UUIDs
Diffstat (limited to 'lib/btrfs/btrfsitem')
-rw-r--r--lib/btrfs/btrfsitem/item_uuid.go10
1 files changed, 9 insertions, 1 deletions
diff --git a/lib/btrfs/btrfsitem/item_uuid.go b/lib/btrfs/btrfsitem/item_uuid.go
index 451ccae..e1a6cf9 100644
--- a/lib/btrfs/btrfsitem/item_uuid.go
+++ b/lib/btrfs/btrfsitem/item_uuid.go
@@ -24,6 +24,14 @@ type UUIDMap struct { // UUID_SUBVOL=251 UUID_RECEIVED_SUBVOL=252
func KeyToUUID(key btrfsprim.Key) btrfsprim.UUID {
var uuid btrfsprim.UUID
binary.LittleEndian.PutUint64(uuid[:8], uint64(key.ObjectID))
- binary.LittleEndian.PutUint64(uuid[8:], uint64(key.Offset))
+ binary.LittleEndian.PutUint64(uuid[8:], key.Offset)
return uuid
}
+
+func UUIDToKey(uuid btrfsprim.UUID) btrfsprim.Key {
+ return btrfsprim.Key{
+ ObjectID: btrfsprim.ObjID(binary.LittleEndian.Uint64(uuid[:8])),
+ ItemType: UUID_SUBVOL_KEY,
+ Offset: binary.LittleEndian.Uint64(uuid[8:]),
+ }
+}