On Tue, 2012-12-11 at 11:30 +0100, Kevin Wolf wrote:
> Am 11.12.2012 10:58, schrieb Heinz Graalfs:
> > Hi Kevin,
> >
> > I'm using the bdrv_pread() function during boot partition detection ...
> >
> > In detail:
> > bdrv_pread() is called to read 32 bytes from a 2048 bytes formatted
> > disk. Th
Am 11.12.2012 10:58, schrieb Heinz Graalfs:
> Hi Kevin,
>
> I'm using the bdrv_pread() function during boot partition detection ...
>
> In detail:
> bdrv_pread() is called to read 32 bytes from a 2048 bytes formatted
> disk. This results in setting up a read of 512 bytes (1 sector
> multiplied b
Hi Kevin,
I'm using the bdrv_pread() function during boot partition detection ...
In detail:
bdrv_pread() is called to read 32 bytes from a 2048 bytes formatted
disk. This results in setting up a read of 512 bytes (1 sector
multiplied by 512 current code in paio_submit()), which is wrong for a
O
Am 07.12.2012 21:26, schrieb Heinz Graalfs:
> Hello Kevin,
>
> I'm resending my answer as of Nov 23rd.
>
> Is this still on your queue?
No, it wasn't. I guess I was waiting for a new version of the patch.
>>> }
>>>
>>> void *qemu_blockalign(BlockDriverState *bs, size_t size)
>>> diff --git
Hello Kevin,
I'm resending my answer as of Nov 23rd.
Is this still on your queue?
Heinz
On Wed, 2012-11-21 at 10:15 +0100, Kevin Wolf wrote:
> Am 21.11.2012 09:58, schrieb Christian Borntraeger:
> > From: Heinz Graalfs
> >
> > While testing IPL code (booting) for s390x we faced some problems
On Wed, 2012-11-21 at 10:15 +0100, Kevin Wolf wrote:
> Am 21.11.2012 09:58, schrieb Christian Borntraeger:
> > From: Heinz Graalfs
> >
> > While testing IPL code (booting) for s390x we faced some problems
> > with cache=none on dasds (4k block size) on bdrv_preads with length
> > values != block
On 21/11/12 17:03, Paolo Bonzini wrote:
> Il 21/11/2012 10:15, Kevin Wolf ha scritto:
+if ((bs->open_flags & BDRV_O_NOCACHE)) {
+bs->file->buffer_alignment = align;
+}
>> Any reason to restrict this to BDRV_O_NOCACHE?
>>
>> There have been patches to change the BDRV_O
Il 21/11/2012 10:15, Kevin Wolf ha scritto:
>> > +if ((bs->open_flags & BDRV_O_NOCACHE)) {
>> > +bs->file->buffer_alignment = align;
>> > +}
> Any reason to restrict this to BDRV_O_NOCACHE?
>
> There have been patches to change the BDRV_O_NOCACHE flag from the
> monitor, in which c
On Wed, 2012-11-21 at 11:00 +0100, Christian Borntraeger wrote:
> On 21/11/12 10:15, Kevin Wolf wrote:
> > Am 21.11.2012 09:58, schrieb Christian Borntraeger:
> >> From: Heinz Graalfs
> >>
> >> While testing IPL code (booting) for s390x we faced some problems
> >> with cache=none on dasds (4k bloc
On 21/11/12 10:15, Kevin Wolf wrote:
> Am 21.11.2012 09:58, schrieb Christian Borntraeger:
>> From: Heinz Graalfs
>>
>> While testing IPL code (booting) for s390x we faced some problems
>> with cache=none on dasds (4k block size) on bdrv_preads with length
>> values != block size.
>>
>> This patch
Am 21.11.2012 09:58, schrieb Christian Borntraeger:
> From: Heinz Graalfs
>
> While testing IPL code (booting) for s390x we faced some problems
> with cache=none on dasds (4k block size) on bdrv_preads with length
> values != block size.
>
> This patch makes sure that bdrv_pread and friends work
From: Heinz Graalfs
While testing IPL code (booting) for s390x we faced some problems
with cache=none on dasds (4k block size) on bdrv_preads with length
values != block size.
This patch makes sure that bdrv_pread and friends work fine with
unaligned access even with cache=none
- propagate al
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