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Re: [Qemu-block] [PATCH v2 02/17] block: Document supported flags during
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From: |
Fam Zheng |
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Subject: |
Re: [Qemu-block] [PATCH v2 02/17] block: Document supported flags during bdrv_aligned_preadv() |
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Date: |
Thu, 16 Jun 2016 13:08:46 +0800 |
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User-agent: |
Mutt/1.6.1 (2016-04-27) |
On Tue, 06/14 15:30, Eric Blake wrote:
> We don't pass any flags on to drivers to handle. Tighten an
> assert to explain why we pass 0 to bdrv_driver_preadv(), and add
> some comments on things to be aware of if we want to turn on
> per-BDS BDRV_REQ_FUA support during reads in the future. Also,
> document that we may want to consider using unmap during
> copy-on-read operations where the read is all zeroes.
>
> Signed-off-by: Eric Blake <address@hidden>
Reviewed-by: Fam Zheng <address@hidden>