On 14.11.19 17:27, Christoph Hellwig wrote: > On Fri, Nov 01, 2019 at 04:25:10PM +0100, Max Reitz wrote: >> The XFS kernel driver has a bug that may cause data corruption for qcow2 >> images as of qemu commit c8bb23cbdbe32f. We can work around it by >> treating post-EOF fallocates as serializing up until infinity (INT64_MAX >> in practice). > > This has been fixed in the kernel a while ago. I don't think it makes > sense to work around it in qemu.
Has it? It was my understanding that this is fixed by https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=for-next&id=249bd9087a5264d2b8a974081870e2e27671b4dcwhich has been merged only very recently and is on track to be part of Linux 5.5, as far as I understand. Max
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