diff options
Diffstat (limited to 'pkg/btrfs/types_node.go')
| -rw-r--r-- | pkg/btrfs/types_node.go | 11 |
1 files changed, 9 insertions, 2 deletions
diff --git a/pkg/btrfs/types_node.go b/pkg/btrfs/types_node.go index 8aafc49..92f7513 100644 --- a/pkg/btrfs/types_node.go +++ b/pkg/btrfs/types_node.go @@ -49,6 +49,13 @@ var nodeFlagNames = []string{ func (f NodeFlags) Has(req NodeFlags) bool { return f&req == req } func (f NodeFlags) String() string { return util.BitfieldString(f, nodeFlagNames, util.HexLower) } +type BackrefRev uint8 + +const ( + OldBackrefRev = BackrefRev(iota) + MixedBackrefRev = BackrefRev(iota) +) + // Node: main ////////////////////////////////////////////////////////////////////////////////////// type Node struct { @@ -72,7 +79,7 @@ type NodeHeader struct { MetadataUUID UUID `bin:"off=0x20, siz=0x10"` Addr btrfsvol.LogicalAddr `bin:"off=0x30, siz=0x8"` // Logical address of this node Flags NodeFlags `bin:"off=0x38, siz=0x7"` - BackrefRev uint8 `bin:"off=0x3f, siz=0x1"` + BackrefRev BackrefRev `bin:"off=0x3f, siz=0x1"` ChunkTreeUUID UUID `bin:"off=0x40, siz=0x10"` Generation Generation `bin:"off=0x50, siz=0x8"` Owner ObjID `bin:"off=0x58, siz=0x8"` // The ID of the tree that contains this node @@ -347,7 +354,7 @@ func ReadNode[Addr ~int64](fs util.File[Addr], sb Superblock, addr Addr, laddrCB // sanity checking if nodeRef.Data.Head.MetadataUUID != sb.EffectiveMetadataUUID() { - return nil, fmt.Errorf("btrfs.ReadNode: node@%v: %w", addr, ErrNotANode) + return nodeRef, fmt.Errorf("btrfs.ReadNode: node@%v: %w", addr, ErrNotANode) } stored := nodeRef.Data.Head.Checksum |