diff options
Diffstat (limited to 'pkg/btrfs/btrfsitem/item_inode.go')
| -rw-r--r-- | pkg/btrfs/btrfsitem/item_inode.go | 38 |
1 files changed, 37 insertions, 1 deletions
diff --git a/pkg/btrfs/btrfsitem/item_inode.go b/pkg/btrfs/btrfsitem/item_inode.go index 4d38380..175b900 100644 --- a/pkg/btrfs/btrfsitem/item_inode.go +++ b/pkg/btrfs/btrfsitem/item_inode.go @@ -3,6 +3,7 @@ package btrfsitem import ( "lukeshu.com/btrfs-tools/pkg/binstruct" "lukeshu.com/btrfs-tools/pkg/btrfs/internal" + "lukeshu.com/btrfs-tools/pkg/util" ) type Inode struct { // INODE_ITEM=1 @@ -16,7 +17,7 @@ type Inode struct { // INODE_ITEM=1 GID int32 `bin:"off=0x30, siz=0x4"` Mode int32 `bin:"off=0x34, siz=0x4"` RDev int64 `bin:"off=0x38, siz=0x8"` - Flags uint64 `bin:"off=0x40, siz=0x8"` + Flags InodeFlags `bin:"off=0x40, siz=0x8"` Sequence int64 `bin:"off=0x48, siz=0x8"` Reserved [4]int64 `bin:"off=0x50, siz=0x20"` ATime internal.Time `bin:"off=0x70, siz=0xc"` @@ -25,3 +26,38 @@ type Inode struct { // INODE_ITEM=1 OTime internal.Time `bin:"off=0x94, siz=0xc"` binstruct.End `bin:"off=0xa0"` } + +type InodeFlags uint64 + +const ( + BTRFS_INODE_NODATASUM = InodeFlags(1 << iota) + BTRFS_INODE_NODATACOW + BTRFS_INODE_READONLY + BTRFS_INODE_NOCOMPRESS + BTRFS_INODE_PREALLOC + BTRFS_INODE_SYNC + BTRFS_INODE_IMMUTABLE + BTRFS_INODE_APPEND + BTRFS_INODE_NODUMP + BTRFS_INODE_NOATIME + BTRFS_INODE_DIRSYNC + BTRFS_INODE_COMPRESS +) + +var inodeFlagNames = []string{ + "NODATASUM", + "NODATACOW", + "READONLY", + "NOCOMPRESS", + "PREALLOC", + "SYNC", + "IMMUTABLE", + "APPEND", + "NODUMP", + "NOATIME", + "DIRSYNC", + "COMPRESS", +} + +func (f InodeFlags) Has(req InodeFlags) bool { return f&req == req } +func (f InodeFlags) String() string { return util.BitfieldString(f, inodeFlagNames) } |