Re: [Qemu-devel] [PATCH 0/4] Geometry and blocksize support for backing devices

[Christian Borntraeger]

On 29/07/14 14:27, Ekaterina Tumanova wrote:
> This patch set is based on a patch suggested by Einar Lueck
> on Feb 08, 2013.
> 
> This patch set introduces:
> 1. s390x specific geometry detection:
> Add s390 specific version of hd_geometry_guess function,
> which uses HDIO_GETGEO ioctl.
> 
> 2. A set of blocksize patches for autodetection of logical and
> physical blocksizes. Change history:
> 2.1
> Original blocksize patch only configured autolookup for
> virtio-blk devices. There was a request from Stefan Hajnoczi
> to make this architecture-independent. Now autolookup is
> configured by default for all block devices.
> 2.2
> Add driver method to probe blocksizes for "raw" and
> "host_device" drivers.
> (also requested by the reviewers of the original patch)
> 
> Ekaterina Tumanova (4):
>   hd-geometry.c: Integrate HDIO_GETGEO in guessing for target-s390x
>   blocksize: support auto-sensing of blocksizes
>   blocksize: Add driver method to get the blocksizes
>   blocksize: add blkconf_blocksize call to all block devices
> 
>  block.c                   | 12 +++++++++
>  block/raw-posix.c         | 69 
> ++++++++++++++++++++++++++++++++++-------------
>  block/raw_bsd.c           | 14 ++++++++++
>  hw/block/Makefile.objs    |  6 ++++-
>  hw/block/block.c          | 25 +++++++++++++++++
>  hw/block/hd-geometry.c    | 56 ++++++++++++++++++++++++++++++++++++++
>  hw/block/nvme.c           |  1 +
>  hw/block/virtio-blk.c     |  1 +
>  hw/core/qdev-properties.c |  4 ++-
>  hw/ide/qdev.c             |  1 +
>  hw/scsi/scsi-disk.c       |  1 +
>  hw/usb/dev-storage.c      |  1 +
>  include/block/block.h     |  1 +
>  include/block/block_int.h |  5 ++++
>  include/hw/block/block.h  |  6 +++--
>  15 files changed, 180 insertions(+), 23 deletions(-)
> 

CCing Kevin and Stefan.