[PATCH] fuse: don't update file times

Don't change mtime/ctime/atime to local time on read/write.  Rather invalidate
file attributes, so next stat() will force a GETATTR call.  Bug reported by
Ben Grimm.

Signed-off-by: Miklos Szeredi <miklos@szeredi.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index cf5d1fa..9b43fd4 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -552,6 +552,7 @@
 				    filldir);
 
 	__free_page(page);
+	fuse_invalidate_attr(inode); /* atime changed */
 	return err;
 }
 
@@ -585,6 +586,7 @@
 		link[req->out.args[0].size] = '\0';
  out:
 	fuse_put_request(fc, req);
+	fuse_invalidate_attr(inode); /* atime changed */
 	return link;
 }