fs/cachefiles: replace kerror by pr_err

Also add pr_fmt in internal.h

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/cachefiles/main.c b/fs/cachefiles/main.c
index d45c59c..180edfb 100644
--- a/fs/cachefiles/main.c
+++ b/fs/cachefiles/main.c
@@ -68,7 +68,7 @@
 				  SLAB_HWCACHE_ALIGN,
 				  cachefiles_object_init_once);
 	if (!cachefiles_object_jar) {
-		pr_notice("CacheFiles: Failed to allocate an object jar\n");
+		pr_notice("Failed to allocate an object jar\n");
 		goto error_object_jar;
 	}
 
@@ -76,7 +76,7 @@
 	if (ret < 0)
 		goto error_proc;
 
-	pr_info("CacheFiles: Loaded\n");
+	pr_info("Loaded\n");
 	return 0;
 
 error_proc:
@@ -84,7 +84,7 @@
 error_object_jar:
 	misc_deregister(&cachefiles_dev);
 error_dev:
-	kerror("failed to register: %d", ret);
+	pr_err("failed to register: %d", ret);
 	return ret;
 }
 
@@ -95,7 +95,7 @@
  */
 static void __exit cachefiles_exit(void)
 {
-	pr_info("CacheFiles: Unloading\n");
+	pr_info("Unloading\n");
 
 	cachefiles_proc_cleanup();
 	kmem_cache_destroy(cachefiles_object_jar);