On Fri, Apr 20, 2012 at 03:56:01PM +0200, Kevin Wolf wrote: > Refcount block allocation and refcount table growth rely on > s->free_cluster_index pointing to somewhere after the current > allocation. Change qcow2_allocate_cluster_at() to fulfill this > assumption. > > Without this change it could happen that a newly allocated refcount > block and the allocated data block point to the same area in the image > file, causing data corruption in the long run. > > This fixes a bug that became first visible after commit 250196f1. > > Signed-off-by: Kevin Wolf <kw...@redhat.com>
Kevin, This patch fixes explicit filesystem errors (qemu-img check also OK), but autotest is still failing, see attached screenshot. It is not reproducible without f081987ad20a8c8dc391deded55161ea8d38be5f
<<attachment: f8-64-failure.png>>
