In order to allow modules to use it without having to export vfsmount_lock.
Signed-off-by: Trond Myklebust <Trond.Myklebust@xxxxxxxxxx>
---
fs/namespace.c | 10 +++++++++-
include/linux/mnt_namespace.h | 9 +--------
2 files changed, 10 insertions(+), 9 deletions(-)
diff --git a/fs/namespace.c b/fs/namespace.c
index 2dd333b..1d4f2d8 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -2246,7 +2246,7 @@ void __init mnt_init(void)
init_mount_tree();
}
-void __put_mnt_ns(struct mnt_namespace *ns)
+static void __put_mnt_ns(struct mnt_namespace *ns)
{
struct vfsmount *root = ns->root;
LIST_HEAD(umount_list);
@@ -2260,3 +2260,11 @@ void __put_mnt_ns(struct mnt_namespace *ns)
release_mounts(&umount_list);
kfree(ns);
}
+
+void put_mnt_ns(struct mnt_namespace *ns)
+{
+ if (atomic_dec_and_lock(&ns->count, &vfsmount_lock))
+ /* releases vfsmount_lock */
+ __put_mnt_ns(ns);
+}
+
diff --git a/include/linux/mnt_namespace.h b/include/linux/mnt_namespace.h
index 3a05929..299d11a 100644
--- a/include/linux/mnt_namespace.h
+++ b/include/linux/mnt_namespace.h
@@ -26,14 +26,7 @@ struct fs_struct;
extern struct mnt_namespace *copy_mnt_ns(unsigned long, struct mnt_namespace *,
struct fs_struct *);
-extern void __put_mnt_ns(struct mnt_namespace *ns);
-
-static inline void put_mnt_ns(struct mnt_namespace *ns)
-{
- if (atomic_dec_and_lock(&ns->count, &vfsmount_lock))
- /* releases vfsmount_lock */
- __put_mnt_ns(ns);
-}
+extern void put_mnt_ns(struct mnt_namespace *ns);
static inline void exit_mnt_ns(struct task_struct *p)
{
--
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