From: Paolo Bonzini <pbonzini@redhat.com>
To: Fam Zheng <famz@redhat.com>
Cc: Kevin Wolf <kwolf@redhat.com>,
Stefan Hajnoczi <stefanha@redhat.com>,
qemu-devel@nongnu.org, qemu-block@nongnu.org,
qemu-stable@nongnu.org
Subject: Re: [Qemu-devel] [PATCH 1/3] scsi-disk: Limit zero write request to SCSI_WRITE_SAME_MAX
Date: Fri, 24 Apr 2015 11:03:51 +0200 [thread overview]
Message-ID: <553A06F7.5030707@redhat.com> (raw)
In-Reply-To: <20150424090251.GA18658@ad.nay.redhat.com>
On 24/04/2015 11:02, Fam Zheng wrote:
>
>> > However, it shouldn't be a problem for
>> > the rest of the series.
> It is. The request has to be splitted to aligned part and unaligned part
> because the latter requires a buffer, as we don't like unbounded allocation.
Yes, I found that out after reading patch 2. :(
Paolo
next prev parent reply other threads:[~2015-04-24 9:04 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-04-24 8:33 [Qemu-devel] [PATCH 0/3] block: Fix unaligned bdrv_aio_write_zeroes Fam Zheng
2015-04-24 8:33 ` [Qemu-devel] [PATCH 1/3] scsi-disk: Limit zero write request to SCSI_WRITE_SAME_MAX Fam Zheng
2015-04-24 8:50 ` Paolo Bonzini
2015-04-24 9:02 ` Fam Zheng
2015-04-24 9:03 ` Paolo Bonzini [this message]
2015-04-24 8:33 ` [Qemu-devel] [PATCH 2/3] block: Fix NULL deference for unaligned write if qiov is NULL Fam Zheng
2015-04-24 9:01 ` Paolo Bonzini
2015-04-24 8:33 ` [Qemu-devel] [PATCH 3/3] Revert "block: Fix unaligned zero write" Fam Zheng
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