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-rw-r--r--fs/inode.c2
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;

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