ext4: reserve new feature flag codepoints

Reserve the ext4 features flags EXT4_FEATURE_RO_COMPAT_METADATA_CSUM,
EXT4_FEATURE_INCOMPAT_INLINEDATA, and EXT4_FEATURE_INCOMPAT_LARGEDIR.

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 4bc0e82..13d1514 100644 (file)
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1407,6 +1407,7 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei)
 #define EXT4_FEATURE_RO_COMPAT_EXTRA_ISIZE     0x0040
 #define EXT4_FEATURE_RO_COMPAT_QUOTA           0x0100
 #define EXT4_FEATURE_RO_COMPAT_BIGALLOC                0x0200
+#define EXT4_FEATURE_RO_COMPAT_METADATA_CSUM   0x0400
 
 #define EXT4_FEATURE_INCOMPAT_COMPRESSION      0x0001
 #define EXT4_FEATURE_INCOMPAT_FILETYPE         0x0002
@@ -1419,6 +1420,8 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei)
 #define EXT4_FEATURE_INCOMPAT_FLEX_BG          0x0200
 #define EXT4_FEATURE_INCOMPAT_EA_INODE         0x0400 /* EA in inode */
 #define EXT4_FEATURE_INCOMPAT_DIRDATA          0x1000 /* data in dirent */
+#define EXT4_FEATURE_INCOMPAT_INLINEDATA       0x2000 /* data in inode */
+#define EXT4_FEATURE_INCOMPAT_LARGEDIR         0x4000 /* >2GB or 3-lvl htree */
 
 #define EXT2_FEATURE_COMPAT_SUPP       EXT4_FEATURE_COMPAT_EXT_ATTR
 #define EXT2_FEATURE_INCOMPAT_SUPP     (EXT4_FEATURE_INCOMPAT_FILETYPE| \