From: Jason Dillaman <dillaman@redhat.com>
Date: Mon, 27 Apr 2015 05:03:52 +0000 (-0400)
Subject: librbd: flatten should return -EROFS if image is read-only
X-Git-Tag: v9.0.1~68^2
X-Git-Url: http://git-server-git.apps.pok.os.sepia.ceph.com/?a=commitdiff_plain;h=refs%2Fpull%2F4470%2Fhead;p=ceph.git

librbd: flatten should return -EROFS if image is read-only

Fixes: #11475
Signed-off-by: Jason Dillaman <dillaman@redhat.com>
---

diff --git a/src/librbd/internal.cc b/src/librbd/internal.cc
index 7aea482341aa..42e01245db7f 100644
--- a/src/librbd/internal.cc
+++ b/src/librbd/internal.cc
@@ -2630,6 +2630,10 @@ reprotect_and_return_err:
       return r;
     }
 
+    if (ictx->read_only) {
+      return -EROFS;
+    }
+
     {
       RWLock::RLocker parent_locker(ictx->parent_lock);
       if (ictx->parent_md.spec.pool_id == -1) {