linux-kernel - [PATCH 4/7] md: simplify sysctl registration

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Date:   Thu,  2 Mar 2023 12:46:09 -0800
From:   Luis Chamberlain <mcgrof@...nel.org>
To:     ebiederm@...ssion.com, keescook@...omium.org, yzaikin@...gle.com,
        jejb@...ux.ibm.com, martin.petersen@...cle.com, minyard@....org,
        kys@...rosoft.com, haiyangz@...rosoft.com, wei.liu@...nel.org,
        decui@...rosoft.com, song@...nel.org, robinmholt@...il.com,
        steve.wahl@....com, mike.travis@....com, arnd@...db.de,
        gregkh@...uxfoundation.org, jirislaby@...nel.org, jgross@...e.com,
        sstabellini@...nel.org, oleksandr_tyshchenko@...m.com,
        xen-devel@...ts.xenproject.org
Cc:     j.granados@...sung.com, zhangpeng362@...wei.com,
        tangmeng@...ontech.com, willy@...radead.org, nixiaoming@...wei.com,
        sujiaxun@...ontech.com, patches@...ts.linux.dev,
        linux-fsdevel@...r.kernel.org, apparmor@...ts.ubuntu.com,
        linux-raid@...r.kernel.org, linux-scsi@...r.kernel.org,
        linux-hyperv@...r.kernel.org,
        openipmi-developer@...ts.sourceforge.net,
        linux-kernel@...r.kernel.org, Luis Chamberlain <mcgrof@...nel.org>
Subject: [PATCH 4/7] md: simplify sysctl registration

register_sysctl_table() is a deprecated compatibility wrapper.
register_sysctl() can do the directory creation for you so just use
that.

Signed-off-by: Luis Chamberlain <mcgrof@...nel.org>
---
 drivers/md/md.c | 22 +---------------------
 1 file changed, 1 insertion(+), 21 deletions(-)

diff --git a/drivers/md/md.c b/drivers/md/md.c
index 927a43db5dfb..546b1b81eb28 100644
--- a/drivers/md/md.c
+++ b/drivers/md/md.c
@@ -322,26 +322,6 @@ static struct ctl_table raid_table[] = {
 	{ }
 };
 
-static struct ctl_table raid_dir_table[] = {
-	{
-		.procname	= "raid",
-		.maxlen		= 0,
-		.mode		= S_IRUGO|S_IXUGO,
-		.child		= raid_table,
-	},
-	{ }
-};
-
-static struct ctl_table raid_root_table[] = {
-	{
-		.procname	= "dev",
-		.maxlen		= 0,
-		.mode		= 0555,
-		.child		= raid_dir_table,
-	},
-	{  }
-};
-
 static int start_readonly;
 
 /*
@@ -9650,7 +9630,7 @@ static int __init md_init(void)
 	mdp_major = ret;
 
 	register_reboot_notifier(&md_notifier);
-	raid_table_header = register_sysctl_table(raid_root_table);
+	raid_table_header = register_sysctl("dev/raid", raid_table);
 
 	md_geninit();
 	return 0;
-- 
2.39.1