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From: | Paolo Bonzini |
Subject: | Re: [Qemu-block] [Qemu-devel] [PATCH V2] block/io: optimize bdrv_co_pwritev for small requests |
Date: | Thu, 26 May 2016 11:20:30 +0200 |
User-agent: | Mozilla/5.0 (X11; Linux x86_64; rv:45.0) Gecko/20100101 Thunderbird/45.0 |
On 26/05/2016 10:30, Fam Zheng wrote: >> > >> > This doesn't look too wrong... Should the right sequence of events be >> > head/after_head or head/after_tail? It's probably simplest to just emit >> > all four events. > I've no idea. (That's why I leaned towards fixing the test case). Well, fixing the testcase means knowing what events should be emitted. QEMU with Peter's patch emits head/after_head. If the right one is head/after_tail, _both QEMU and the testcase_ need to be adjusted. Your patch keeps the backwards-compatible route. Thanks, Paolo
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