more

1 files changed, 38 insertions, 0 deletions

diff --git a/pkg/btrfs/btrfsitem/item_blockgroup.go b/pkg/btrfs/btrfsitem/item_blockgroup.go
new file mode 100644
index 0000000..162adb1
--- /dev/null
+++ b/pkg/btrfs/btrfsitem/item_blockgroup.go
@@ -0,0 +1,38 @@
+package btrfsitem
+
+import (
+	"lukeshu.com/btrfs-tools/pkg/util"
+)
+
+type BlockGroupFlags uint64
+
+const (
+	BLOCK_GROUP_DATA = BlockGroupFlags(1 << iota)
+	BLOCK_GROUP_SYSTEM
+	BLOCK_GROUP_METADATA
+	BLOCK_GROUP_RAID0
+	BLOCK_GROUP_RAID1
+	BLOCK_GROUP_DUP
+	BLOCK_GROUP_RAID10
+	BLOCK_GROUP_RAID5
+	BLOCK_GROUP_RAID6
+	BLOCK_GROUP_RAID1C3
+	BLOCK_GROUP_RAID1C4
+)
+
+var blockGroupFlagNames = []string{
+	"DATA",
+	"SYSTEM",
+	"METADATA",
+	"RAID0",
+	"RAID1",
+	"DUP",
+	"RAID10",
+	"RAID5",
+	"RAID6",
+	"RAID1C3",
+	"RAID1C4",
+}
+
+func (f BlockGroupFlags) Has(req BlockGroupFlags) bool { return f&req == req }
+func (f BlockGroupFlags) String() string               { return util.BitfieldString(f, blockGroupFlagNames) }