fs/fscache: convert printk to pr_foo()

All printk converted to pr_foo() except internal.h: printk(KERN_DEBUG

Coalesce formats.

Add pr_fmt

Signed-off-by: Fabian Frederick <fabf@skynet.be>
Cc: David Howells <dhowells@redhat.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/fscache/page.c b/fs/fscache/page.c
index 7f5c658..ed70714 100644
--- a/fs/fscache/page.c
+++ b/fs/fscache/page.c
@@ -1108,10 +1108,8 @@
 		static bool once_only;
 		if (!once_only) {
 			once_only = true;
-			printk(KERN_WARNING "FS-Cache:"
-			       " Cookie type %s marked page %lx"
-			       " multiple times\n",
-			       cookie->def->name, page->index);
+			pr_warn("Cookie type %s marked page %lx multiple times\n",
+				cookie->def->name, page->index);
 		}
 	}