1 files changed, 1 insertions, 1 deletions

diff --git a/include/linux/fs.h b/include/linux/fs.h
index 49d8eb7a71be..53d2edb709b3 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -499,7 +499,7 @@ struct backing_dev_info;
 struct address_space {
         struct inode            *host;          /* owner: inode, block_device */
         struct radix_tree_root  page_tree;      /* radix tree of all pages */
-        rwlock_t                tree_lock;      /* and rwlock protecting it */
+        spinlock_t              tree_lock;      /* and lock protecting it */
         unsigned int            i_mmap_writable;/* count VM_SHARED mappings */
         struct prio_tree_root   i_mmap;         /* tree of private and shared mappings */
         struct list_head        i_mmap_nonlinear;/*list VM_NONLINEAR mappings */