From: Paolo Bonzini <pbonzini@redhat.com>
To: ronnie sahlberg <ronniesahlberg@gmail.com>
Cc: "Benoît Canet" <benoit.canet@irqsave.net>,
"Kevin Wolf" <kwolf@redhat.com>, "Peter Lieven" <pl@kamp.de>,
qemu-devel <qemu-devel@nongnu.org>,
"Max Reitz" <mreitz@redhat.com>,
"Stefan Hajnoczi" <stefanha@redhat.com>
Subject: Re: [Qemu-devel] [PATCH 2/4] block: immediately cancel oversized read/write requests
Date: Mon, 08 Sep 2014 17:15:07 +0200 [thread overview]
Message-ID: <540DC7FB.1040804@redhat.com> (raw)
In-Reply-To: <CAN05THTw=kH8czp24TVBBQXXSN8v1fuTrCogapRAdK0g-KywhQ@mail.gmail.com>
Il 08/09/2014 17:13, ronnie sahlberg ha scritto:
>
> What I would like to see would also be to report these limitations to
> the guest itself to prevent it from generating too large I/Os.
That's difficult because you don't want a backend change (e.g. from
local storage to iSCSI) to change the vital product data in the guest.
That's why we have splitting code for discard, and why we would have to
add it for read/write too.
Paolo
next prev parent reply other threads:[~2014-09-08 15:15 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
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 [this message]
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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