From: Chengguang Xu <cgxu519@icloud.com>
Date: Thu, 15 Feb 2018 15:39:05 +0800
Subject: ceph: use seq_show_option for string type options
Git-commit: 4d8969af28a5c1bccd9f42cf98ab5cff3c0fe140
Patch-mainline: v4.17-rc1
References: bsc#1089115

Using seq_show_option to replace seq_printf for string type options.

Signed-off-by: Chengguang Xu <cgxu519@icloud.com>
Reviewed-by: Ilya Dryomov <idryomov@gmail.com>
Signed-off-by: Ilya Dryomov <idryomov@gmail.com>
Acked-by: Luis Henriques <lhenriques@suse.com>
---
 fs/ceph/super.c |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

--- a/fs/ceph/super.c
+++ b/fs/ceph/super.c
@@ -517,10 +517,7 @@ static int ceph_show_options(struct seq_
 	if ((fsopt->flags & CEPH_MOUNT_OPT_DCACHE) == 0)
 		seq_puts(m, ",nodcache");
 	if (fsopt->flags & CEPH_MOUNT_OPT_FSCACHE) {
-		if (fsopt->fscache_uniq)
-			seq_printf(m, ",fsc=%s", fsopt->fscache_uniq);
-		else
-			seq_puts(m, ",fsc");
+		seq_show_option(m, "fsc", fsopt->fscache_uniq);
 	}
 	if (fsopt->flags & CEPH_MOUNT_OPT_NOPOOLPERM)
 		seq_puts(m, ",nopoolperm");
@@ -533,7 +530,7 @@ static int ceph_show_options(struct seq_
 #endif
 
 	if (fsopt->mds_namespace)
-		seq_printf(m, ",mds_namespace=%s", fsopt->mds_namespace);
+		seq_show_option(m, "mds_namespace", fsopt->mds_namespace);
 	if (fsopt->wsize)
 		seq_printf(m, ",wsize=%d", fsopt->wsize);
 	if (fsopt->rsize != CEPH_MAX_READ_SIZE)