Re: [PATCH v5 0/5] block: widen and check consistency of size-related BlockConf properties

[Roman Kagan <rvkagan@yandex-team.ru>]

Please ignore the series, I forgot xen-block device.

Roman.

On Tue, May 26, 2020 at 11:17:35AM +0300, Roman Kagan wrote:
> BlockConf includes several properties counted in bytes.
> 
> Enhance their handling in a some aspects, specifically
> 
> - accept common size suffixes (k, m)
> - perform consistency checks on the values, to prevent their silent
>   truncation and rounding
> - lift the upper limit on physical_block_size and logical_block_size
> 
> Also fix the accessor for opt_io_size in virtio-blk to make it match the size
> of the field.
> 
> History:
> v4 -> v5:
> - re-split the patches [Philippe]
> - fix/reword error messages [Philippe, Kevin]
> - do early return on failed consistency check [Philippe]
> - use QEMU_IS_ALIGNED instead of open coding [Philippe]
> - make all BlockConf size props support suffixes
> - expand the log for virtio-blk opt_io_size [Michael]
> 
> v3 -> v4:
> - add patch to fix opt_io_size width in virtio-blk
> - add patch to perform consistency checks [Kevin]
> - check min_io_size against truncation [Kevin]
> 
> v2 -> v3:
> - mention qcow2 cluster size limit in the log and comment [Eric]
> 
> v1 -> v2:
> - cap the property at 2 MiB [Eric]
> - accept size suffixes
> 
> Roman Kagan (5):
>   virtio-blk: store opt_io_size with correct size
>   block: consolidate blocksize properties consistency checks
>   qdev-properties: blocksize: use same limits in code and description
>   block: make size-related BlockConf properties accept size suffixes
>   block: lift blocksize property limit to 2 MiB
> 
>  include/hw/block/block.h     |  18 +-
>  include/hw/qdev-properties.h |   2 +-
>  hw/block/block.c             |  64 ++++-
>  hw/block/fdc.c               |   5 +-
>  hw/block/nvme.c              |   5 +-
>  hw/block/virtio-blk.c        |   9 +-
>  hw/core/qdev-properties.c    | 109 +++----
>  hw/ide/qdev.c                |   5 +-
>  hw/scsi/scsi-disk.c          |  12 +-
>  hw/usb/dev-storage.c         |   5 +-
>  tests/qemu-iotests/172.out   | 532 +++++++++++++++++------------------
>  11 files changed, 423 insertions(+), 343 deletions(-)
> 
> -- 
> 2.26.2
> 
>