f2fs: add flags and helpers to support inline data

[platform/adaptation/renesas_rcar/renesas_kernel.git] / include / linux / f2fs_fs.h

diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index bb942f6..aea5eed 100644 (file)
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -153,6 +153,14 @@ struct f2fs_extent {
 #define        NODE_DIND_BLOCK         (DEF_ADDRS_PER_INODE + 5)
 
 #define F2FS_INLINE_XATTR      0x01    /* file inline xattr flag */
+#define F2FS_INLINE_DATA       0x02    /* file inline data flag */
+
+
+#define MAX_INLINE_DATA                (sizeof(__le32) * (DEF_ADDRS_PER_INODE - \
+                                               F2FS_INLINE_XATTR_ADDRS - 1))
+
+#define INLINE_DATA_OFFSET     (PAGE_CACHE_SIZE - sizeof(struct node_footer) \
+                               - sizeof(__le32)*(DEF_ADDRS_PER_INODE + 5 - 1))
 
 struct f2fs_inode {
        __le16 i_mode;                  /* file mode */