From 27401b6ea459921a6152ab1744da1618358465f4 Mon Sep 17 00:00:00 2001
From: Luke Shumaker <lukeshu@lukeshu.com>
Date: Sun, 10 Jul 2022 13:18:30 -0600
Subject: Rename the module, mv pkg lib

---
 lib/btrfs/btrfsvol/blockgroupflags.go | 51 +++++++++++++++++++++++++++++++++++
 1 file changed, 51 insertions(+)
 create mode 100644 lib/btrfs/btrfsvol/blockgroupflags.go

(limited to 'lib/btrfs/btrfsvol/blockgroupflags.go')

diff --git a/lib/btrfs/btrfsvol/blockgroupflags.go b/lib/btrfs/btrfsvol/blockgroupflags.go
new file mode 100644
index 0000000..1a194d7
--- /dev/null
+++ b/lib/btrfs/btrfsvol/blockgroupflags.go
@@ -0,0 +1,51 @@
+package btrfsvol
+
+import (
+	"git.lukeshu.com/btrfs-progs-ng/lib/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
+
+	BLOCK_GROUP_RAID_MASK = (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 {
+	ret := util.BitfieldString(f, blockGroupFlagNames, util.HexNone)
+	if f&BLOCK_GROUP_RAID_MASK == 0 {
+		if ret == "" {
+			ret = "single"
+		} else {
+			ret += "|single"
+		}
+	}
+	return ret
+}
-- 
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