1 files changed, 1 insertions, 0 deletions

diff --git a/fs/ext4/super.c b/fs/ext4/super.c
index c9ab67da6e5a..493370e6590e 100644
--- a/fs/ext4/super.c
+++ b/fs/ext4/super.c
@@ -958,6 +958,7 @@ static void init_once(void *foo)
         INIT_LIST_HEAD(&ei->i_orphan);
         init_rwsem(&ei->xattr_sem);
         init_rwsem(&ei->i_data_sem);
+        init_rwsem(&ei->i_mmap_sem);
         inode_init_once(&ei->vfs_inode);
 }