linux-kernel - [PATCH 1/3] lockd: simplify two-level sysctl registration for nlm

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Date:   Fri, 10 Mar 2023 14:58:40 -0800
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     chuck.lever@...cle.com, jlayton@...nel.org,
        trond.myklebust@...merspace.com, anna@...nel.org,
        linux-nfs@...r.kernel.org
Cc:     ebiederm@...ssion.com, keescook@...omium.org, yzaikin@...gle.com,
        j.granados@...sung.com, patches@...ts.linux.dev,
        linux-fsdevel@...r.kernel.org, linux-kernel@...r.kernel.org,
        Luis Chamberlain <mcgrof@...nel.org>
Subject: [PATCH 1/3] lockd: simplify two-level sysctl registration for nlm_sysctls

There is no need to declare two tables to just create directories,
this can be easily be done with a prefix path with register_sysctl().

Simplify this registration.

Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
---
 fs/lockd/svc.c | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/fs/lockd/svc.c b/fs/lockd/svc.c
index 914ea1c3537d..5bca33758bc8 100644
--- a/fs/lockd/svc.c
+++ b/fs/lockd/svc.c
@@ -510,24 +510,6 @@ static struct ctl_table nlm_sysctls[] = {
 	{ }
 };
 
-static struct ctl_table nlm_sysctl_dir[] = {
-	{
-		.procname	= "nfs",
-		.mode		= 0555,
-		.child		= nlm_sysctls,
-	},
-	{ }
-};
-
-static struct ctl_table nlm_sysctl_root[] = {
-	{
-		.procname	= "fs",
-		.mode		= 0555,
-		.child		= nlm_sysctl_dir,
-	},
-	{ }
-};
-
 #endif	/* CONFIG_SYSCTL */
 
 /*
@@ -644,7 +626,7 @@ static int __init init_nlm(void)
 
 #ifdef CONFIG_SYSCTL
 	err = -ENOMEM;
-	nlm_sysctl_table = register_sysctl_table(nlm_sysctl_root);
+	nlm_sysctl_table = register_sysctl("fs/nfs", nlm_sysctls);
 	if (nlm_sysctl_table == NULL)
 		goto err_sysctl;
 #endif
-- 
2.39.1