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-rw-r--r--fs/namespace.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/fs/namespace.c b/fs/namespace.c
index d5906c19e08..970fe79d786 100644
--- a/fs/namespace.c
+++ b/fs/namespace.c
@@ -737,6 +737,21 @@ static void m_stop(struct seq_file *m, void *v)
up_read(&namespace_sem);
}
+int mnt_had_events(struct proc_mounts *p)
+{
+ struct mnt_namespace *ns = p->ns;
+ int res = 0;
+
+ spin_lock(&vfsmount_lock);
+ if (p->event != ns->event) {
+ p->event = ns->event;
+ res = 1;
+ }
+ spin_unlock(&vfsmount_lock);
+
+ return res;
+}
+
struct proc_fs_info {
int flag;
const char *str;