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From: Luis Chamberlain <mcgrof@kernel.org>
To: akpm@linux-foundation.org, viro@zeniv.linux.org.uk,
	keescook@chromium.org, yzaikin@google.com, nixiaoming@huawei.com,
	ebiederm@xmission.com, steve@sk2.org,
	mcgrof@bombadil.infradead.org, mcgrof@kernel.org,
	andriy.shevchenko@linux.intel.com, jlayton@kernel.org,
	bfields@fieldses.org
Cc: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: [PATCH 5/9] fs: move shared sysctls to fs/sysctls.c
Date: Mon, 29 Nov 2021 12:55:44 -0800	[thread overview]
Message-ID: <20211129205548.605569-6-mcgrof@kernel.org> (raw)
In-Reply-To: <20211129205548.605569-1-mcgrof@kernel.org>

To help with this maintenance let's start by moving sysctls to
places where they actually belong. The proc sysctl maintainers
do not want to know what sysctl knobs you wish to add for your own
piece of code, we just care about the core logic.

To help with this maintenance let's start by moving sysctls to
places where they actually belong. The proc sysctl maintainers
do not want to know what sysctl knobs you wish to add for your own
piece of code, we just care about the core logic.

So move sysctls which are shared between filesystems into a common
file outside of kernel/sysctl.c.

Signed-off-by: Luis Chamberlain <mcgrof@kernel.org>
---
 fs/Makefile     |  1 +
 fs/sysctls.c    | 38 ++++++++++++++++++++++++++++++++++++++
 kernel/sysctl.c | 18 ------------------
 3 files changed, 39 insertions(+), 18 deletions(-)
 create mode 100644 fs/sysctls.c

diff --git a/fs/Makefile b/fs/Makefile
index 84c5e4cdfee5..ea8770d124da 100644
--- a/fs/Makefile
+++ b/fs/Makefile
@@ -28,6 +28,7 @@ obj-y				+= notify/
 obj-$(CONFIG_EPOLL)		+= eventpoll.o
 obj-y				+= anon_inodes.o
 obj-$(CONFIG_SIGNALFD)		+= signalfd.o
+obj-$(CONFIG_SYSCTL)		+= sysctls.o
 obj-$(CONFIG_TIMERFD)		+= timerfd.o
 obj-$(CONFIG_EVENTFD)		+= eventfd.o
 obj-$(CONFIG_USERFAULTFD)	+= userfaultfd.o
diff --git a/fs/sysctls.c b/fs/sysctls.c
new file mode 100644
index 000000000000..54216cd1ecd7
--- /dev/null
+++ b/fs/sysctls.c
@@ -0,0 +1,38 @@
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * /proc/sys/fs shared sysctls
+ *
+ * These sysctls are shared between different filesystems.
+ */
+#include <linux/init.h>
+#include <linux/sysctl.h>
+
+static struct ctl_table fs_shared_sysctls[] = {
+	{
+		.procname	= "overflowuid",
+		.data		= &fs_overflowuid,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec_minmax,
+		.extra1		= SYSCTL_ZERO,
+		.extra2		= SYSCTL_MAXOLDUID,
+	},
+	{
+		.procname	= "overflowgid",
+		.data		= &fs_overflowgid,
+		.maxlen		= sizeof(int),
+		.mode		= 0644,
+		.proc_handler	= proc_dointvec_minmax,
+		.extra1		= SYSCTL_ZERO,
+		.extra2		= SYSCTL_MAXOLDUID,
+	},
+	{ }
+};
+
+static int __init init_fs_shared_sysctls(void)
+{
+	register_sysctl_init("fs", fs_shared_sysctls);
+	return 0;
+}
+
+early_initcall(init_fs_shared_sysctls);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 05d9dd85e17f..865173cefcef 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -2896,24 +2896,6 @@ static struct ctl_table vm_table[] = {
 };
 
 static struct ctl_table fs_table[] = {
-	{
-		.procname	= "overflowuid",
-		.data		= &fs_overflowuid,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec_minmax,
-		.extra1		= SYSCTL_ZERO,
-		.extra2		= SYSCTL_MAXOLDUID,
-	},
-	{
-		.procname	= "overflowgid",
-		.data		= &fs_overflowgid,
-		.maxlen		= sizeof(int),
-		.mode		= 0644,
-		.proc_handler	= proc_dointvec_minmax,
-		.extra1		= SYSCTL_ZERO,
-		.extra2		= SYSCTL_MAXOLDUID,
-	},
 #ifdef CONFIG_FILE_LOCKING
 	{
 		.procname	= "leases-enable",
-- 
2.33.0


  parent reply	other threads:[~2021-11-29 23:03 UTC|newest]

Thread overview: 14+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-11-29 20:55 [PATCH 0/9] sysctl: 4th set of kernel/sysctl cleanups Luis Chamberlain
2021-11-29 20:55 ` [PATCH 1/9] fs: move inode sysctls to its own file Luis Chamberlain
2021-11-29 20:55 ` [PATCH 2/9] fs: move fs stat sysctls to file_table.c Luis Chamberlain
2021-11-29 20:55 ` [PATCH 3/9] fs: move dcache sysctls to its own file Luis Chamberlain
2021-11-29 20:55 ` [PATCH 4/9] sysctl: move maxolduid as a sysctl specific const Luis Chamberlain
2021-12-17 16:15   ` Mickaël Salaün
2021-12-20 19:25     ` Luis Chamberlain
2021-12-30  0:46       ` Andrew Morton
2021-12-30 11:24         ` Mickaël Salaün
2021-11-29 20:55 ` Luis Chamberlain [this message]
2021-11-29 20:55 ` [PATCH 6/9] fs: move locking sysctls where they are used Luis Chamberlain
2021-11-29 20:55 ` [PATCH 7/9] fs: move namei sysctls to its own file Luis Chamberlain
2021-11-29 20:55 ` [PATCH 8/9] fs: move fs/exec.c sysctls into " Luis Chamberlain
2021-11-29 20:55 ` [PATCH 9/9] fs: move pipe sysctls to is " Luis Chamberlain

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