1 files changed, 1 insertions, 1 deletions

diff --git a/fs/inode.c b/fs/inode.c
index 2ed95f7caa4f..ad60555b4768 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -346,7 +346,7 @@ void address_space_init_once(struct address_space *mapping)
         memset(mapping, 0, sizeof(*mapping));
         INIT_RADIX_TREE(&mapping->page_tree, GFP_ATOMIC);
         spin_lock_init(&mapping->tree_lock);
-        mutex_init(&mapping->i_mmap_mutex);
+        init_rwsem(&mapping->i_mmap_rwsem);
         INIT_LIST_HEAD(&mapping->private_list);
         spin_lock_init(&mapping->private_lock);
         mapping->i_mmap = RB_ROOT;