jffs2: Convert printks to pr_<level>

Use the more current logging style.

Coalesce formats, align arguments.
Convert uses of embedded function names to %s, __func__.

A couple of long line checkpatch errors I don't care about exist.

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: David Woodhouse <David.Woodhouse@intel.com>
diff --git a/fs/jffs2/symlink.c b/fs/jffs2/symlink.c
index 5188f4d..56eeed5 100644
--- a/fs/jffs2/symlink.c
+++ b/fs/jffs2/symlink.c
@@ -47,7 +47,7 @@
 	 */
 
 	if (!p) {
-		printk(KERN_ERR "jffs2_follow_link(): can't find symlink target\n");
+		pr_err("%s(): can't find symlink target\n", __func__);
 		p = ERR_PTR(-EIO);
 	}
 	jffs2_dbg(1, "%s(): target path is '%s'\n",