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Diffstat (limited to 'lib/btrfs/btrfsitem/item_shareddataref.go')
-rw-r--r--lib/btrfs/btrfsitem/item_shareddataref.go6
1 files changed, 5 insertions, 1 deletions
diff --git a/lib/btrfs/btrfsitem/item_shareddataref.go b/lib/btrfs/btrfsitem/item_shareddataref.go
index 5ce4198..d7765af 100644
--- a/lib/btrfs/btrfsitem/item_shareddataref.go
+++ b/lib/btrfs/btrfsitem/item_shareddataref.go
@@ -8,7 +8,11 @@ import (
"git.lukeshu.com/btrfs-progs-ng/lib/binstruct"
)
+// key.objectid = laddr of the extent being referenced
+//
+// key.offset = laddr of the leaf node containing the FileExtent
+// (EXTENT_DATA_KEY) for this reference.
type SharedDataRef struct { // SHARED_DATA_REF=184
- Count int32 `bin:"off=0, siz=4"`
+ Count int32 `bin:"off=0, siz=4"` // reference count
binstruct.End `bin:"off=4"`
}