fuse: fix attribute caching after create

Invalidate attributes on create, since st_ctime is updated.  Reported by
Szabolcs Szakacsits.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
diff --git a/fs/fuse/dir.c b/fs/fuse/dir.c
index 80d2f52..f56f91b 100644
--- a/fs/fuse/dir.c
+++ b/fs/fuse/dir.c
@@ -416,6 +416,7 @@
 	fuse_put_request(fc, forget_req);
 	d_instantiate(entry, inode);
 	fuse_change_entry_timeout(entry, &outentry);
+	fuse_invalidate_attr(dir);
 	file = lookup_instantiate_filp(nd, entry, generic_file_open);
 	if (IS_ERR(file)) {
 		ff->fh = outopen.fh;