Merge v7.1.5linux-rolling-stable

Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

1 files changed, 3 insertions, 10 deletions

diff --git a/fs/kernfs/file.c b/fs/kernfs/file.c
index 1163aa769738..8e0e90c93372 100644
--- a/fs/kernfs/file.c
+++ b/fs/kernfs/file.c
@@ -40,22 +40,15 @@ struct kernfs_open_node {
 static DEFINE_SPINLOCK(kernfs_notify_lock);
 static struct kernfs_node *kernfs_notify_list = KERNFS_NOTIFY_EOL;
 
+/* Compatibility wrappers - use the common hashed node lock */
 static inline struct mutex *kernfs_open_file_mutex_ptr(struct kernfs_node *kn)
 {
-	int idx = hash_ptr(kn, NR_KERNFS_LOCK_BITS);
-
-	return &kernfs_locks->open_file_mutex[idx];
+	return kernfs_node_lock_ptr(kn);
 }
 
 static inline struct mutex *kernfs_open_file_mutex_lock(struct kernfs_node *kn)
 {
-	struct mutex *lock;
-
-	lock = kernfs_open_file_mutex_ptr(kn);
-
-	mutex_lock(lock);
-
-	return lock;
+	return kernfs_node_lock(kn);
 }
 
 /**