From: Fam Zheng <famz@redhat.com>
To: 858585 jemmy <jemmy858585@gmail.com>
Cc: qemu block <qemu-block@nongnu.org>,
Juan Quintela <quintela@redhat.com>,
qemu-devel <qemu-devel@nongnu.org>,
Dave Gilbert <dgilbert@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
Lidong Chen <lidongchen@tencent.com>
Subject: Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster
Date: Mon, 24 Apr 2017 20:36:59 +0800 [thread overview]
Message-ID: <20170424123659.GI14416@lemon.lan> (raw)
In-Reply-To: <CAOGPPbfQBy0szAxDeynehtPkXUUjdpgQpfb155XtUdF07UCGxQ@mail.gmail.com>
On Mon, 04/24 20:26, 858585 jemmy wrote:
> > 2) qcow2 with cluster_size = 512 is probably too uncommon to be optimized for.
> if culster_size is very small, should disable metadata check default?
>
No, I don't think it's worth the inconsistent behavior. People who want
performance shouldn't use 512 bytes anyway.
Fam
next prev parent reply other threads:[~2017-04-24 12:37 UTC|newest]
Thread overview: 18+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-04-13 2:34 [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster jemmy858585
2017-04-13 14:16 ` Stefan Hajnoczi
2017-04-14 0:57 ` 858585 jemmy
2017-04-14 6:00 ` Fam Zheng
2017-04-14 6:30 ` 858585 jemmy
2017-04-17 3:49 ` Fam Zheng
2017-04-17 4:00 ` 858585 jemmy
2017-04-24 7:40 ` 858585 jemmy
2017-04-24 11:54 ` 858585 jemmy
2017-04-24 12:09 ` Fam Zheng
2017-04-24 12:15 ` 858585 jemmy
2017-04-24 12:19 ` Fam Zheng
2017-04-24 12:26 ` 858585 jemmy
2017-04-24 12:36 ` Fam Zheng [this message]
2017-04-24 12:44 ` 858585 jemmy
2017-04-14 6:38 ` [Qemu-devel] [Qemu-block] " Stefan Hajnoczi
2017-04-14 6:48 ` 858585 jemmy
2017-04-17 3:47 ` Fam Zheng
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