From: Peter Lieven <pl@kamp.de>
To: "Paolo Bonzini" <pbonzini@redhat.com>,
"Benoît Canet" <benoit.canet@irqsave.net>
Cc: kwolf@redhat.com, ronniesahlberg@gmail.com,
qemu-devel@nongnu.org, stefanha@redhat.com, mreitz@redhat.com
Subject: Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests
Date: Mon, 08 Sep 2014 16:35:41 +0200 [thread overview]
Message-ID: <540DBEBD.9040701@kamp.de> (raw)
In-Reply-To: <540DB5EB.2070705@redhat.com>
On 08.09.2014 15:58, Paolo Bonzini wrote:
> Il 08/09/2014 15:56, Peter Lieven ha scritto:
>>>> Look like you are changing the coroutine version.
>>>>
>>>> Some hardware like virtio-blk uses the AIO version of read and writes.
>>>> What would happen if all the block drivers down the chain are AIO
>>>> enabled ?
>>> The AIO version still goes through bdrv_co_do_readv/writev.
>>>
>>> However, error_report is not something you can use for guest-accessible
>>> error messages, unless you want your logs to fill up with error
>>> messages. :)
>> So you would not throw an error msg here?
> No, though a trace could be useful.
Is there a howto somewhere how to implement that?
Then I would send a v2 if there are no other complaints.
Whats your opinion changed the max_xfer_len to 0xffff regardsless
of use_16_for_rw in iSCSI?
Peter
next prev parent reply other threads:[~2014-09-08 14:36 UTC|newest]
Thread overview: 44+ messages / expand[flat|nested] mbox.gz Atom feed top
2014-09-05 16:51 [Qemu-devel] [PATCH 0/4] introduce max_transfer_length Peter Lieven
2014-09-05 16:51 ` [Qemu-devel] [PATCH 1/4] BlockLimits: " Peter Lieven
2014-09-05 16:51 ` [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests Peter Lieven
2014-09-08 13:44 ` Benoît Canet
2014-09-08 13:49 ` Paolo Bonzini
2014-09-08 13:56 ` Peter Lieven
2014-09-08 13:58 ` Paolo Bonzini
2014-09-08 14:35 ` Peter Lieven [this message]
2014-09-08 14:42 ` Paolo Bonzini
2014-09-08 14:54 ` Peter Lieven
2014-09-23 8:47 ` Kevin Wolf
2014-09-23 8:55 ` Peter Lieven
2014-09-23 9:09 ` Kevin Wolf
2014-09-08 15:13 ` ronnie sahlberg
2014-09-08 15:15 ` Paolo Bonzini
2014-09-08 15:18 ` Peter Lieven
2014-09-08 15:27 ` Paolo Bonzini
2014-09-08 16:18 ` Peter Lieven
2014-09-08 16:29 ` Paolo Bonzini
2014-09-12 11:43 ` Peter Lieven
2014-09-18 14:12 ` Paolo Bonzini
2014-09-18 14:16 ` Peter Lieven
2014-09-18 14:17 ` Paolo Bonzini
2014-09-18 22:57 ` Peter Lieven
2014-09-08 15:16 ` Peter Lieven
2014-09-05 16:51 ` [Qemu-devel] [PATCH 3/4] block/iscsi: set max_transfer_length Peter Lieven
2014-09-05 16:51 ` [Qemu-devel] [PATCH 4/4] block: avoid creating oversized writes in multiwrite_merge Peter Lieven
2014-09-18 14:13 ` Paolo Bonzini
2014-09-18 22:56 ` Peter Lieven
2014-09-19 13:33 ` Paolo Bonzini
2014-09-22 9:43 ` Peter Lieven
2014-09-22 19:06 ` Paolo Bonzini
2014-09-23 6:15 ` Peter Lieven
2014-09-23 8:59 ` Kevin Wolf
2014-09-23 9:04 ` Peter Lieven
2014-09-23 9:32 ` Peter Lieven
2014-09-23 9:47 ` Kevin Wolf
2014-09-23 9:52 ` Peter Lieven
2014-09-23 10:05 ` Kevin Wolf
2014-09-30 7:26 ` Peter Lieven
2014-09-30 8:03 ` Kevin Wolf
2014-09-05 17:05 ` [Qemu-devel] [PATCH 0/4] introduce max_transfer_length ronnie sahlberg
2014-09-05 19:52 ` Peter Lieven
2014-09-05 21:22 ` ronnie sahlberg
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