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Re: [PATCH v6 5/5] block: lift blocksize property limit to 2 MiB
- To: Roman Kagan <rvkagan@xxxxxxxxxxxxxx>, qemu-devel@xxxxxxxxxx
- From: Eric Blake <eblake@xxxxxxxxxx>
- Date: Wed, 27 May 2020 09:52:42 -0500
- Cc: Kevin Wolf <kwolf@xxxxxxxxxx>, Fam Zheng <fam@xxxxxxxxxx>, Stefano Stabellini <sstabellini@xxxxxxxxxx>, Daniel P. Berrangé <berrange@xxxxxxxxxx>, Eduardo Habkost <ehabkost@xxxxxxxxxx>, qemu-block@xxxxxxxxxx, Paul Durrant <paul@xxxxxxx>, John Snow <jsnow@xxxxxxxxxx>, "Michael S. Tsirkin" <mst@xxxxxxxxxx>, Laurent Vivier <laurent@xxxxxxxxx>, Max Reitz <mreitz@xxxxxxxxxx>, Keith Busch <kbusch@xxxxxxxxxx>, Gerd Hoffmann <kraxel@xxxxxxxxxx>, Stefan Hajnoczi <stefanha@xxxxxxxxxx>, Paolo Bonzini <pbonzini@xxxxxxxxxx>, Anthony Perard <anthony.perard@xxxxxxxxxx>, xen-devel@xxxxxxxxxxxxxxxxxxxx, Philippe Mathieu-Daudé <philmd@xxxxxxxxxx>
- Delivery-date: Wed, 27 May 2020 14:53:13 +0000
- List-id: Xen developer discussion <xen-devel.lists.xenproject.org>
On 5/27/20 7:45 AM, Roman Kagan wrote:
Logical and physical block sizes in QEMU are limited to 32 KiB.
This appears unnecessary tight, and we've seen bigger block sizes handy
unnecessarily
at times.
Lift the limitation up to 2 MiB which appears to be good enough for
everybody, and matches the qcow2 cluster size limit.
Signed-off-by: Roman Kagan <rvkagan@xxxxxxxxxxxxxx>
---
Reviewed-by: Eric Blake <eblake@xxxxxxxxxx>
--
Eric Blake, Principal Software Engineer
Red Hat, Inc. +1-919-301-3226
Virtualization: qemu.org | libvirt.org
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