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Subject[v2 058/115] sysctl: no-child: manually register fs/inotify
Date
Signed-off-by: Lucian Adrian Grijincu <lucian.grijincu@gmail.com>
---
fs/notify/inotify/inotify_user.c | 22 +++++++++++++++++++---
include/linux/inotify.h | 2 --
kernel/sysctl.c | 7 -------
3 files changed, 19 insertions(+), 12 deletions(-)
diff --git a/fs/notify/inotify/inotify_user.c b/fs/notify/inotify/inotify_user.c
index 8445fbc..ba618c2 100644
--- a/fs/notify/inotify/inotify_user.c
+++ b/fs/notify/inotify/inotify_user.c
@@ -51,13 +51,13 @@ static int inotify_max_user_watches __read_mostly;
static struct kmem_cache *inotify_inode_mark_cachep __read_mostly;
struct kmem_cache *event_priv_cachep __read_mostly;

-#ifdef CONFIG_SYSCTL
+#if defined(CONFIG_SYSCTL) && defined(CONFIG_MMU)

#include <linux/sysctl.h>

static int zero;

-ctl_table inotify_table[] = {
+static struct ctl_table inotify_table[] = {
{
.procname = "max_user_instances",
.data = &inotify_max_user_instances,
@@ -84,7 +84,22 @@ ctl_table inotify_table[] = {
},
{ }
};
-#endif /* CONFIG_SYSCTL */
+static const __initdata struct ctl_path inotify_path[] = {
+ { .procname = "fs" },
+ { .procname = "inotify" },
+ { }
+};
+static struct ctl_table_header *inotify_header;
+static int __init register_inotify_sysctls(void)
+{
+ inotify_header = register_sysctl_paths(inotify_path, inotify_table);
+ if (inotify_header == NULL)
+ return -ENOMEM;
+ return 0;
+}
+#else /* CONFIG_SYSCTL && CONFIG_MMU */
+static int __init register_inotify_sysctls(void) { return 0; }
+#endif /* CONFIG_SYSCTL && CONFIG_MMU */

static inline __u32 inotify_arg_to_mask(u32 arg)
{
@@ -862,6 +877,7 @@ static int __init inotify_user_setup(void)
inotify_max_user_instances = 128;
inotify_max_user_watches = 8192;

+ register_inotify_sysctls();
return 0;
}
module_init(inotify_user_setup);
diff --git a/include/linux/inotify.h b/include/linux/inotify.h
index d33041e..89b3bfe 100644
--- a/include/linux/inotify.h
+++ b/include/linux/inotify.h
@@ -71,8 +71,6 @@ struct inotify_event {
#define IN_NONBLOCK O_NONBLOCK

#ifdef __KERNEL__
-#include <linux/sysctl.h>
-extern struct ctl_table inotify_table[]; /* for sysctl */

#define ALL_INOTIFY_BITS (IN_ACCESS | IN_MODIFY | IN_ATTRIB | IN_CLOSE_WRITE | \
IN_CLOSE_NOWRITE | IN_OPEN | IN_MOVED_FROM | \
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 33d5e2e..9520e2b 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -1439,13 +1439,6 @@ static struct ctl_table fs_table[] = {
.proc_handler = proc_doulongvec_minmax,
},
#endif /* CONFIG_AIO */
-#ifdef CONFIG_INOTIFY_USER
- {
- .procname = "inotify",
- .mode = 0555,
- .child = inotify_table,
- },
-#endif
#ifdef CONFIG_EPOLL
{
.procname = "epoll",
--
1.7.5.134.g1c08b


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