ext4: enable ext4 inline support

Signed-off-by: Tao Ma <boyu.mt@taobao.com>
Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>

2 files changed, 6 insertions, 1 deletions

diff --git a/fs/ext4/ext4.h b/fs/ext4/ext4.h
index 6cfe546282dc..b90e2720b826 100644
--- a/fs/ext4/ext4.h
+++ b/fs/ext4/ext4.h
@@ -1529,7 +1529,8 @@ static inline void ext4_clear_state_flags(struct ext4_inode_info *ei)
                                          EXT4_FEATURE_INCOMPAT_EXTENTS| \
                                          EXT4_FEATURE_INCOMPAT_64BIT| \
                                          EXT4_FEATURE_INCOMPAT_FLEX_BG| \
-                                         EXT4_FEATURE_INCOMPAT_MMP)
+                                         EXT4_FEATURE_INCOMPAT_MMP |    \
+                                         EXT4_FEATURE_INCOMPAT_INLINE_DATA)
 #define EXT4_FEATURE_RO_COMPAT_SUPP     (EXT4_FEATURE_RO_COMPAT_SPARSE_SUPER| \
                                          EXT4_FEATURE_RO_COMPAT_LARGE_FILE| \
                                          EXT4_FEATURE_RO_COMPAT_GDT_CSUM| \
diff --git a/fs/ext4/ialloc.c b/fs/ext4/ialloc.c
index c7efa88d7149..3f32c8012447 100644
--- a/fs/ext4/ialloc.c
+++ b/fs/ext4/ialloc.c
@@ -902,6 +902,10 @@ got:
 
         ei->i_extra_isize = EXT4_SB(sb)->s_want_extra_isize;
 
+        ei->i_inline_off = 0;
+        if (EXT4_HAS_INCOMPAT_FEATURE(sb, EXT4_FEATURE_INCOMPAT_INLINE_DATA))
+                ext4_set_inode_state(inode, EXT4_STATE_MAY_INLINE_DATA);
+
         ret = inode;
         dquot_initialize(inode);
         err = dquot_alloc_inode(inode);