From: Max Reitz <mreitz@redhat.com>
To: Fam Zheng <famz@redhat.com>, qemu-devel@nongnu.org
Cc: Kevin Wolf <kwolf@redhat.com>,
pbonzini@redhat.com, Jeff Cody <jcody@redhat.com>,
qemu-block@nongnu.org
Subject: Re: [Qemu-devel] [PATCH v7 1/2] mirror: Rewrite mirror_iteration
Date: Thu, 24 Dec 2015 01:15:26 +0100 [thread overview]
Message-ID: <567B391E.9080101@redhat.com> (raw)
In-Reply-To: <1450843928-15380-2-git-send-email-famz@redhat.com>
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On 23.12.2015 05:12, Fam Zheng wrote:
> The "pnum < nb_sectors" condition in deciding whether to actually copy
> data is unnecessarily strict, and the qiov initialization is
> unnecessarily for bdrv_aio_write_zeroes and bdrv_aio_discard.
>
> Rewrite mirror_iteration to fix both flaws.
>
> Signed-off-by: Fam Zheng <famz@redhat.com>
> ---
> block/mirror.c | 308 +++++++++++++++++++++++++++++++++++----------------------
> 1 file changed, 188 insertions(+), 120 deletions(-)
Reviewed-by: Max Reitz <mreitz@redhat.com>
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next prev parent reply other threads:[~2015-12-24 0:15 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-12-23 4:12 [Qemu-devel] [PATCH v7 0/2] mirror: Improve zero write and discard Fam Zheng
2015-12-23 4:12 ` [Qemu-devel] [PATCH v7 1/2] mirror: Rewrite mirror_iteration Fam Zheng
2015-12-24 0:15 ` Max Reitz [this message]
2015-12-24 0:21 ` Max Reitz
2015-12-24 2:54 ` Fam Zheng
2015-12-23 4:12 ` [Qemu-devel] [PATCH v7 2/2] mirror: Add mirror_wait_for_io Fam Zheng
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