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-rw-r--r--include/linux/f2fs_fs.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 87f14e90e984..e993b0bc9abf 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -224,6 +224,8 @@ enum {
OFFSET_BIT_SHIFT
};
+#define OFFSET_BIT_MASK (0x07) /* (0x01 << OFFSET_BIT_SHIFT) - 1 */
+
struct node_footer {
__le32 nid; /* node id */
__le32 ino; /* inode nunmber */