From: Yan, Zheng <zyan@redhat.com>
Date: Mon, 16 Nov 2015 13:08:00 +0000 (+0800)
Subject: client: avoid creating orphan object in Client::check_pool_perm()
X-Git-Tag: v10.0.1~33^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F6603%2Fhead;p=ceph.git

client: avoid creating orphan object in Client::check_pool_perm()

Fixes: #13782
Signed-off-by: Yan, Zheng <zyan@redhat.com>
---

diff --git a/src/client/Client.cc b/src/client/Client.cc
index e9824aa53cc..aab30522e89 100644
--- a/src/client/Client.cc
+++ b/src/client/Client.cc
@@ -11344,6 +11344,13 @@ int Client::check_pool_perm(Inode *in, int need)
   }
 
   if (!have) {
+    if (in->snapid != CEPH_NOSNAP) {
+      // pool permission check needs to write to the first object. But for snapshot,
+      // head of the first object may have alread been deleted. To avoid creating
+      // orphan object, skip the check for now.
+      return 0;
+    }
+
     pool_perms[pool] = POOL_CHECKING;
 
     char oid_buf[32];