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Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/wr
From: |
Peter Lieven |
Subject: |
Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests |
Date: |
Fri, 19 Sep 2014 00:57:32 +0200 |
Am 18.09.2014 um 16:17 schrieb Paolo Bonzini <address@hidden>:
> Il 18/09/2014 16:16, Peter Lieven ha scritto:
>>>
>>>> As you can see from the multiwrite_merge trace the merging has never
>>>> been stopped because of
>>>> the max_transfer_length. The question is, why are the I/O requests
>>>> not coming in as specified?
>>> I think that's because of the filesystem. Try writing directly to a
>>> device.
>>
>> thats what I did...
>
> Ah, I saw of=test.
It was definitely /dev/vda. Any ideas? Maybe something in the virtio drivers?
Peter
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests, (continued)
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests, ronnie sahlberg, 2014/09/08
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests, Paolo Bonzini, 2014/09/08
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests, Peter Lieven, 2014/09/08
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests, Paolo Bonzini, 2014/09/08
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests, Peter Lieven, 2014/09/08
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests, Paolo Bonzini, 2014/09/08
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests, Peter Lieven, 2014/09/12
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests, Paolo Bonzini, 2014/09/18
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests, Peter Lieven, 2014/09/18
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests, Paolo Bonzini, 2014/09/18
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests,
Peter Lieven <=
- Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests, Peter Lieven, 2014/09/08
[Qemu-devel] [PATCH 3/4] block/iscsi: set max_transfer_length, Peter Lieven, 2014/09/05
[Qemu-devel] [PATCH 4/4] block: avoid creating oversized writes in multiwrite_merge, Peter Lieven, 2014/09/05
- Re: [Qemu-devel] [PATCH 4/4] block: avoid creating oversized writes in multiwrite_merge, Paolo Bonzini, 2014/09/18
- Re: [Qemu-devel] [PATCH 4/4] block: avoid creating oversized writes in multiwrite_merge, Peter Lieven, 2014/09/18
- Re: [Qemu-devel] [PATCH 4/4] block: avoid creating oversized writes in multiwrite_merge, Paolo Bonzini, 2014/09/19
- Re: [Qemu-devel] [PATCH 4/4] block: avoid creating oversized writes in multiwrite_merge, Peter Lieven, 2014/09/22
- Re: [Qemu-devel] [PATCH 4/4] block: avoid creating oversized writes in multiwrite_merge, Paolo Bonzini, 2014/09/22
- Re: [Qemu-devel] [PATCH 4/4] block: avoid creating oversized writes in multiwrite_merge, Peter Lieven, 2014/09/23
- Re: [Qemu-devel] [PATCH 4/4] block: avoid creating oversized writes in multiwrite_merge, Kevin Wolf, 2014/09/23