f2fs: add flags for inline xattrs

This patch adds basic inode flags for inline xattrs, F2FS_INLINE_XATTR,
and add a mount option, inline_xattr, which is enabled when xattr is set.

If the mount option is enabled, all the files are marked with the inline_xattrs
flag.

Signed-off-by: Jaegeuk Kim <jaegeuk.kim@samsung.com>

1 files changed, 3 insertions, 1 deletions

diff --git a/include/linux/f2fs_fs.h b/include/linux/f2fs_fs.h
index 383d5e39b280..10ab11f8f99d 100644
--- a/include/linux/f2fs_fs.h
+++ b/include/linux/f2fs_fs.h
@@ -144,10 +144,12 @@ struct f2fs_extent {
 #define ADDRS_PER_BLOCK         1018    /* Address Pointers in a Direct Block */
 #define NIDS_PER_BLOCK          1018    /* Node IDs in an Indirect Block */
 
+#define F2FS_INLINE_XATTR       0x01    /* file inline xattr flag */
+
 struct f2fs_inode {
         __le16 i_mode;                  /* file mode */
         __u8 i_advise;                  /* file hints */
-        __u8 i_reserved;                /* reserved */
+        __u8 i_inline;                  /* file inline flags */
         __le32 i_uid;                   /* user ID */
         __le32 i_gid;                   /* group ID */
         __le32 i_links;                 /* links count */