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>
mariux64 · Mar 4, 2011 · 455cec0 · 455cec0
1 parent e00de34
commit 455cec0
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/fs/ceph/dir.c b/fs/ceph/dir.c
@@ -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);