linux-kernel - [PATCH] NFS: Less function calls in show

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Message-ID: <d2f73c3e-a55f-5fb7-a8f8-0dc3ce8ff8a5@web.de>
Date:   Tue, 2 Jul 2019 16:38:06 +0200
From:   Markus Elfring <Markus.Elfring@....de>
To:     linux-nfs@...r.kernel.org,
        Anna Schumaker <anna.schumaker@...app.com>,
        Trond Myklebust <trond.myklebust@...merspace.com>
Cc:     LKML <linux-kernel@...r.kernel.org>,
        kernel-janitors@...r.kernel.org
Subject: [PATCH] NFS: Less function calls in show_pnfs()

From: Markus Elfring <elfring@...rs.sourceforge.net>
Date: Tue, 2 Jul 2019 16:30:53 +0200

Reduce function calls for data output into a sequence.

This issue was detected by using the Coccinelle software.

Signed-off-by: Markus Elfring <elfring@...rs.sourceforge.net>
---
 fs/nfs/super.c | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/fs/nfs/super.c b/fs/nfs/super.c
index f88ddac2dcdf..c301cd585b3b 100644
--- a/fs/nfs/super.c
+++ b/fs/nfs/super.c
@@ -749,11 +749,10 @@ static void show_sessions(struct seq_file *m, struct nfs_server *server) {}
 #ifdef CONFIG_NFS_V4_1
 static void show_pnfs(struct seq_file *m, struct nfs_server *server)
 {
-	seq_printf(m, ",pnfs=");
-	if (server->pnfs_curr_ld)
-		seq_printf(m, "%s", server->pnfs_curr_ld->name);
-	else
-		seq_printf(m, "not configured");
+	seq_printf(m, ",pnfs=%s",
+		   server->pnfs_curr_ld
+		   ? server->pnfs_curr_ld->name
+		   : "not configured");
 }

 static void show_implementation_id(struct seq_file *m, struct nfs_server *nfss)
--
2.22.0