X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=fs%2Finode.c;h=26753ba7b6d656473f17158a1c04064fcb6bffdd;hb=805772708741c7bee00aa8a73177375eee50d7e0;hp=5938f3928944c75ee2f52fdd38119ecfdf41f65f;hpb=af5b7e84d022fdea373038d831bb4ca2c0e82108;p=firefly-linux-kernel-4.4.55.git

diff --git a/fs/inode.c b/fs/inode.c
index 5938f3928944..26753ba7b6d6 100644
--- a/fs/inode.c
+++ b/fs/inode.c
@@ -165,6 +165,7 @@ int inode_init_always(struct super_block *sb, struct inode *inode)
 	mapping->a_ops = &empty_aops;
 	mapping->host = inode;
 	mapping->flags = 0;
+	atomic_set(&mapping->i_mmap_writable, 0);
 	mapping_set_gfp_mask(mapping, GFP_HIGHUSER_MOVABLE);
 	mapping->private_data = NULL;
 	mapping->backing_dev_info = &default_backing_dev_info;