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Diffstat (limited to 'lib/btrfs/btrfsitem/item_freespacebitmap.go')
-rw-r--r--lib/btrfs/btrfsitem/item_freespacebitmap.go9
1 files changed, 7 insertions, 2 deletions
diff --git a/lib/btrfs/btrfsitem/item_freespacebitmap.go b/lib/btrfs/btrfsitem/item_freespacebitmap.go
index ebc00e4..d70a2b5 100644
--- a/lib/btrfs/btrfsitem/item_freespacebitmap.go
+++ b/lib/btrfs/btrfsitem/item_freespacebitmap.go
@@ -4,8 +4,13 @@
package btrfsitem
-// key.objectid = object ID of the FreeSpaceInfo (logical_addr)
-// key.offset = offset of the FreeSpaceInfo (size)
+// FreeSpaceBitmap is used in conjunction with FreeSpaceInfo for
+// highly-fragmented blockgroups.
+//
+// Key:
+//
+// key.objectid = object ID of the FreeSpaceInfo (logical_addr)
+// key.offset = offset of the FreeSpaceInfo (size)
type FreeSpaceBitmap struct { // complex FREE_SPACE_BITMAP=200
Bitmap []byte
}