ext4: change some printk() calls to use ext4_msg() instead

Signed-off-by: "Theodore Ts'o" <tytso@mit.edu>
diff --git a/fs/ext4/dir.c b/fs/ext4/dir.c
index a4a0234..ad56866 100644
--- a/fs/ext4/dir.c
+++ b/fs/ext4/dir.c
@@ -425,8 +425,9 @@
 	sb = inode->i_sb;
 
 	if (!fname) {
-		printk(KERN_ERR "EXT4-fs: call_filldir: called with "
-		       "null fname?!?\n");
+		ext4_msg(sb, KERN_ERR, "%s:%d: inode #%lu: comm %s: "
+			 "called with null fname?!?", __func__, __LINE__,
+			 inode->i_ino, current->comm);
 		return 0;
 	}
 	curr_pos = hash2pos(fname->hash, fname->minor_hash);