ceph: no .snap inside of snapped namespace



Otherwise you can do things like

# mkdir .snap/foo
# cd .snap/foo/.snap
# ls
<badness>

Signed-off-by: Sage Weil <sage@newdream.net>

parent e00de341

fs/ceph/dir.c

+1 −0

Original line number	Diff line number	Diff line
		@@ -496,6 +496,7 @@ struct dentry ceph_finish_lookup(struct ceph_mds_request req,

		/* .snap dir? */
		if (err == -ENOENT &&
		ceph_snap(parent) == CEPH_NOSNAP &&
		strcmp(dentry->d_name.name,
		fsc->mount_options->snapdir_name) == 0) {
		struct inode *inode = ceph_get_snapdir(parent);