Merge tag 'ext4_for_linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tytso...

[linux-2.6-microblaze.git] / fs / ext4 / inode.c

diff --git a/fs/ext4/inode.c b/fs/ext4/inode.c
index b41432e..b2e9576 100644 (file)
--- a/fs/ext4/inode.c
+++ b/fs/ext4/inode.c
@@ -2606,6 +2606,10 @@ static int ext4_writepages(struct address_space *mapping,
 
        trace_ext4_writepages(inode, wbc);
 
+       if (dax_mapping(mapping))
+               return dax_writeback_mapping_range(mapping, inode->i_sb->s_bdev,
+                                                  wbc);
+
        /*
         * No pages to write? This is mainly a kludge to avoid starting
         * a transaction for special inodes like journal inode on last iput()
@@ -4210,7 +4214,7 @@ void ext4_set_inode_flags(struct inode *inode)
                new_fl |= S_NOATIME;
        if (flags & EXT4_DIRSYNC_FL)
                new_fl |= S_DIRSYNC;
-       if (test_opt(inode->i_sb, DAX))
+       if (test_opt(inode->i_sb, DAX) && S_ISREG(inode->i_mode))
                new_fl |= S_DAX;
        inode_set_flags(inode, new_fl,
                        S_SYNC|S_APPEND|S_IMMUTABLE|S_NOATIME|S_DIRSYNC|S_DAX);