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path: root/lib/btrfs/btrfsitem/item_qgroupinfo.go
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Diffstat (limited to 'lib/btrfs/btrfsitem/item_qgroupinfo.go')
-rw-r--r--lib/btrfs/btrfsitem/item_qgroupinfo.go9
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/btrfs/btrfsitem/item_qgroupinfo.go b/lib/btrfs/btrfsitem/item_qgroupinfo.go
index 6699030..2bf38f6 100644
--- a/lib/btrfs/btrfsitem/item_qgroupinfo.go
+++ b/lib/btrfs/btrfsitem/item_qgroupinfo.go
@@ -9,8 +9,13 @@ import (
"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfsprim"
)
-// key.objectid = 0
-// key.offset = ID of the qgroup
+// QGroupInfo tracks the amount of space used by a given qgroup in the
+// containing subvolume.
+//
+// Key:
+//
+// key.objectid = 0
+// key.offset = ID of the qgroup
type QGroupInfo struct { // trivial QGROUP_INFO=242
Generation btrfsprim.Generation `bin:"off=0, siz=8"`
ReferencedBytes uint64 `bin:"off=8, siz=8"`