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rbd-mirror: snap protect of non-layered image results in split-brain

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Fixes: http://tracker.ceph.com/issues/16962
Signed-off-by: Mykola Golub <mgolub@mirantis.com>
This commit is contained in:
Mykola Golub 2016-11-02 12:43:45 +02:00
parent 3d83dc8454
commit 8e1cc88e06
1 changed files with 5 additions and 0 deletions
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5
src/librbd/Operations.cc
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@ -1020,6 +1020,11 @@ int Operations<I>::snap_protect(const char *snap_name) {
return -EROFS;
}
if (!m_image_ctx.test_features(RBD_FEATURE_LAYERING)) {
lderr(cct) << "image must support layering" << dendl;
return -ENOSYS;
}
int r = m_image_ctx.state->refresh_if_required();
if (r < 0) {
return r;