From: Sage Weil <sage@newdream.net>
Date: Tue, 24 Aug 2010 18:24:27 +0000 (-0700)
Subject: mds: no snaps in system dirs, but root is ok
X-Git-Tag: v0.22~229^2~2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=ec02fe38a7367bca311e9e1bd2c0eeefc8b5e335;p=ceph.git

mds: no snaps in system dirs, but root is ok
---

diff --git a/src/mds/Server.cc b/src/mds/Server.cc
index 3e52c790efc0..f2d1df9c6cc3 100644
--- a/src/mds/Server.cc
+++ b/src/mds/Server.cc
@@ -5651,6 +5651,11 @@ void Server::handle_client_mksnap(MDRequest *mdr)
     reply_request(mdr, -ENOTDIR);
     return;
   }
+  if (diri->is_system() && !diri->is_root()) {
+    // no snaps in system dirs (root is ok)
+    reply_request(mdr, -EPERM);
+    return;
+  }
 
   const string &snapname = req->get_filepath().last_dentry();
   dout(10) << "mksnap " << snapname << " on " << *diri << dendl;