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Re: [Qemu-devel] [PATCH v2 0/6] block: byte-based AIO read/write
From: |
Kevin Wolf |
Subject: |
Re: [Qemu-devel] [PATCH v2 0/6] block: byte-based AIO read/write |
Date: |
Wed, 25 Apr 2018 12:59:35 +0200 |
User-agent: |
Mutt/1.9.1 (2017-09-22) |
Am 24.04.2018 um 21:25 hat Eric Blake geschrieben:
> While we would prefer that block drivers use coroutines instead
> of aio callbacks, it is a fairly easy exercise to prove that
> all existing drivers with aio callbacks are merely scaling
> from bytes into sectors and back to bytes. So, even though I
> am not set up to completely run (or even compile-test) this
> full series, it seems pretty straightforward to change the
> signature to quit playing games with pointless scaling.
>
> Incorporate Kevin's review on v1, which amounted to pretty much
> rewriting the series to be saner (the block layer now defaults
> to alignment of 1, so drivers that still need 512 for keeping the
> patch conservative have to override that; and improve the code
> in io.c to put byte-based access before sector-based fallbacks).
Thanks, applied to the block-next branch.
Kevin
- [Qemu-devel] [PATCH v2 5/6] vxhs: Switch to byte-based callbacks, (continued)
- [Qemu-devel] [PATCH v2 5/6] vxhs: Switch to byte-based callbacks, Eric Blake, 2018/04/24
- [Qemu-devel] [PATCH v2 4/6] rbd: Switch to byte-based callbacks, Eric Blake, 2018/04/24
- [Qemu-devel] [PATCH v2 3/6] null: Switch to byte-based read/write, Eric Blake, 2018/04/24
- [Qemu-devel] [PATCH v2 1/6] block: Support byte-based aio callbacks, Eric Blake, 2018/04/24
- [Qemu-devel] [PATCH v2 2/6] file-win32: Switch to byte-based callbacks, Eric Blake, 2018/04/24
- [Qemu-devel] [PATCH v2 6/6] block: Drop last of the sector-based aio callbacks, Eric Blake, 2018/04/24
- Re: [Qemu-devel] [PATCH v2 0/6] block: byte-based AIO read/write,
Kevin Wolf <=