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Re: [Qemu-block] [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite
From: |
858585 jemmy |
Subject: |
Re: [Qemu-block] [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster |
Date: |
Mon, 24 Apr 2017 20:44:57 +0800 |
On Mon, Apr 24, 2017 at 8:36 PM, Fam Zheng <address@hidden> wrote:
> 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.
ok,thanks.
>
> Fam
- Re: [Qemu-block] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, (continued)
- Re: [Qemu-block] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/14
- Re: [Qemu-block] [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, Fam Zheng, 2017/04/16
- Re: [Qemu-block] [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/17
- Re: [Qemu-block] [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/24
- Re: [Qemu-block] [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/24
- Re: [Qemu-block] [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, Fam Zheng, 2017/04/24
- Re: [Qemu-block] [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/24
- Re: [Qemu-block] [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, Fam Zheng, 2017/04/24
- Re: [Qemu-block] [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/24
- Re: [Qemu-block] [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, Fam Zheng, 2017/04/24
- Re: [Qemu-block] [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster,
858585 jemmy <=
Re: [Qemu-block] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, Stefan Hajnoczi, 2017/04/14