motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-05 16:53:55 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

block: consolidate blocksize properties consistency checks

Browse source 
Several block device properties related to blocksize configuration must
be in certain relationship WRT each other: physical block must be no
smaller than logical block; min_io_size, opt_io_size, and
discard_granularity must be a multiple of a logical block.

To ensure these requirements are met, add corresponding consistency
checks to blkconf_blocksizes, adjusting its signature to communicate
possible error to the caller.  Also remove the now redundant consistency
checks from the specific devices.

Signed-off-by: Roman Kagan <rvkagan@yandex-team.ru>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Paul Durrant <paul@xen.org>
Message-Id: <20200528225516.1676602-3-rvkagan@yandex-team.ru>
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
This commit is contained in:
Roman Kagan 2020-05-29 01:55:10 +03:00 • committed by Kevin Wolf
parent 6abee26085
commit c56ee92fcb
11 changed files with 57 additions and 26 deletions
Download patch file Download diff file Expand all files Collapse all files

7
hw/block/virtio-blk.c
View file

@ -1174,12 +1174,7 @@ static void virtio_blk_device_realize(DeviceState *dev, Error **errp)
return;
}
blkconf_blocksizes(&conf->conf);
if (conf->conf.logical_block_size >
conf->conf.physical_block_size) {
error_setg(errp,
"logical_block_size > physical_block_size not supported");
if (!blkconf_blocksizes(&conf->conf, errp)) {
return;
}