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Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for e
From: |
Fam Zheng |
Subject: |
Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster |
Date: |
Mon, 24 Apr 2017 20:19:33 +0800 |
User-agent: |
Mutt/1.8.0 (2017-02-23) |
On Mon, 04/24 20:09, Fam Zheng wrote:
> It's a separate problem.
To be specific:
1) there is an option "overlap-check" that one can use to
disable the costly metadata check;
2) qcow2 with cluster_size = 512 is probably too uncommon to be optimized for.
Both are irrelevant to why and how this patch can be improved, IMO.
Fam
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, (continued)
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, Stefan Hajnoczi, 2017/04/13
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, Fam Zheng, 2017/04/14
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/14
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, Fam Zheng, 2017/04/16
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/17
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/24
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/24
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, Fam Zheng, 2017/04/24
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/24
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster,
Fam Zheng <=
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/24
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, Fam Zheng, 2017/04/24
- Re: [Qemu-devel] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, 858585 jemmy, 2017/04/24
Re: [Qemu-devel] [Qemu-block] [PATCH v6] migration/block: use blk_pwrite_zeroes for each zero cluster, Stefan Hajnoczi, 2017/04/14