libceph: Convert pr_warning to pr_warn

Use the more common pr_warn.

Other miscellanea:

o Coalesce formats
o Realign arguments

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Ilya Dryomov <ilya.dryomov@inktank.com>
diff --git a/net/ceph/ceph_common.c b/net/ceph/ceph_common.c
index 1675021..58fbfe1 100644
--- a/net/ceph/ceph_common.c
+++ b/net/ceph/ceph_common.c
@@ -293,17 +293,20 @@
 		key_err = PTR_ERR(ukey);
 		switch (key_err) {
 		case -ENOKEY:
-			pr_warning("ceph: Mount failed due to key not found: %s\n", name);
+			pr_warn("ceph: Mount failed due to key not found: %s\n",
+				name);
 			break;
 		case -EKEYEXPIRED:
-			pr_warning("ceph: Mount failed due to expired key: %s\n", name);
+			pr_warn("ceph: Mount failed due to expired key: %s\n",
+				name);
 			break;
 		case -EKEYREVOKED:
-			pr_warning("ceph: Mount failed due to revoked key: %s\n", name);
+			pr_warn("ceph: Mount failed due to revoked key: %s\n",
+				name);
 			break;
 		default:
-			pr_warning("ceph: Mount failed due to unknown key error"
-			       " %d: %s\n", key_err, name);
+			pr_warn("ceph: Mount failed due to unknown key error %d: %s\n",
+				key_err, name);
 		}
 		err = -EPERM;
 		goto out;
@@ -433,7 +436,7 @@
 
 			/* misc */
 		case Opt_osdtimeout:
-			pr_warning("ignoring deprecated osdtimeout option\n");
+			pr_warn("ignoring deprecated osdtimeout option\n");
 			break;
 		case Opt_osdkeepalivetimeout:
 			opt->osd_keepalive_timeout = intval;