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-rw-r--r--lib/btrfs/btrfsitem/item_extentcsum.go2
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/btrfs/btrfsitem/item_extentcsum.go b/lib/btrfs/btrfsitem/item_extentcsum.go
index a945295..b35d333 100644
--- a/lib/btrfs/btrfsitem/item_extentcsum.go
+++ b/lib/btrfs/btrfsitem/item_extentcsum.go
@@ -10,6 +10,8 @@ import (
"git.lukeshu.com/btrfs-progs-ng/lib/btrfs/btrfssum"
)
+const CSumBlockSize = 4 * 1024
+
// key.objectid = BTRFS_EXTENT_CSUM_OBJECTID
// key.offset = laddr of checksummed region
type ExtentCSum struct { // EXTENT_CSUM=128