linux-kernel - [PATCH 3/3] nfs: simplify two-level sysctl registration for nfs_cb

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Date:   Fri, 10 Mar 2023 14:58:42 -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 3/3] nfs: simplify two-level sysctl registration for nfs_cb_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/nfs/sysctl.c | 20 +-------------------
 1 file changed, 1 insertion(+), 19 deletions(-)

diff --git a/fs/nfs/sysctl.c b/fs/nfs/sysctl.c
index 7aea195ddb35..f39e2089bc4c 100644
--- a/fs/nfs/sysctl.c
+++ b/fs/nfs/sysctl.c
@@ -32,27 +32,9 @@ static struct ctl_table nfs_cb_sysctls[] = {
 	{ }
 };
 
-static struct ctl_table nfs_cb_sysctl_dir[] = {
-	{
-		.procname = "nfs",
-		.mode = 0555,
-		.child = nfs_cb_sysctls,
-	},
-	{ }
-};
-
-static struct ctl_table nfs_cb_sysctl_root[] = {
-	{
-		.procname = "fs",
-		.mode = 0555,
-		.child = nfs_cb_sysctl_dir,
-	},
-	{ }
-};
-
 int nfs_register_sysctl(void)
 {
-	nfs_callback_sysctl_table = register_sysctl_table(nfs_cb_sysctl_root);
+	nfs_callback_sysctl_table = register_sysctl("fs/nfs", nfs_cb_sysctls);
 	if (nfs_callback_sysctl_table == NULL)
 		return -ENOMEM;
 	return 0;
-- 
2.39.1