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authorSerge E. Hallyn <serue@us.ibm.com>2009-04-06 19:01:11 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2009-04-07 08:31:09 -0700
commitbdc8e5f85f9abe2e7c78dcf39d81f9a97178788b (patch)
treea25a9d10f3686c4cb309d2477376ee585322ef43 /include/linux/ipc_namespace.h
parent7eafd7c74c3f2e67c27621b987b28397110d643f (diff)
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namespaces: mqueue namespace: adapt sysctl
Largely inspired from ipc/ipc_sysctl.c. This patch isolates the mqueue sysctl stuff in its own file. [akpm@linux-foundation.org: build fix] Signed-off-by: Cedric Le Goater <clg@fr.ibm.com> Signed-off-by: Nadia Derbey <Nadia.Derbey@bull.net> Signed-off-by: Serge E. Hallyn <serue@us.ibm.com> Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'include/linux/ipc_namespace.h')
-rw-r--r--include/linux/ipc_namespace.h14
1 files changed, 14 insertions, 0 deletions
diff --git a/include/linux/ipc_namespace.h b/include/linux/ipc_namespace.h
index 3392d50de35..3bf40e246a8 100644
--- a/include/linux/ipc_namespace.h
+++ b/include/linux/ipc_namespace.h
@@ -128,4 +128,18 @@ static inline void put_ipc_ns(struct ipc_namespace *ns)
{
}
#endif
+
+#ifdef CONFIG_POSIX_MQUEUE_SYSCTL
+
+struct ctl_table_header;
+extern struct ctl_table_header *mq_register_sysctl_table(void);
+
+#else /* CONFIG_POSIX_MQUEUE_SYSCTL */
+
+static inline struct ctl_table_header *mq_register_sysctl_table(void)
+{
+ return NULL;
+}
+
+#endif /* CONFIG_POSIX_MQUEUE_SYSCTL */
#endif