Created attachment 517312 [details]
Patch ported from upstream
Backport upstream patch 762a80d9fc9f690a3a35983f3b4619a220650808
This patch flushes hardware disk cache when merging a snapshot. Without the patch, writes may be reordered and data corruption is possible in case of power failure.
This request was evaluated by Red Hat Product Management for inclusion
in a Red Hat Enterprise Linux maintenance release. Product Management has
requested further review of this request by Red Hat Engineering, for potential
inclusion in a Red Hat Enterprise Linux Update release for currently deployed
products. This request is not yet committed for inclusion in an Update release.
*** This bug has been marked as a duplicate of bug 723005 ***