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Re: [Qemu-devel] Re: [PATCH 2/3] Move aio implementation out of raw bloc
From: |
Gerd Hoffmann |
Subject: |
Re: [Qemu-devel] Re: [PATCH 2/3] Move aio implementation out of raw block driver |
Date: |
Tue, 23 Sep 2008 20:04:50 +0200 |
User-agent: |
Thunderbird 2.0.0.16 (X11/20080723) |
Anthony Liguori wrote:
> Gerd Hoffmann wrote:
>> How about providing a aio interface implementation which simply uses
>> read/write syscalls (thereby not being really async obviously)? Then
>> use that as fallback instead of aio emulation? And also drop CONFIG_AIO
>> then?
>
> Yeah, this is basically what block-raw-posix does today. I was thinking
> the same thing. I was also thinking that you could do an aio
> implementation for win32 and possibly reunify block-raw-posix and
> block-raw-linux.
Sure, that the next logical steps. Later we can also convert all
block-* drivers to the new aio interface and subsequently drop alot of
dead block layer code.
> But before going down this route, I want to see if linux-aio is really
> the right tool for the job.
IMHO this all makes sense even in case linux-aio turns out to not be
worth it.
cheers,
Gerd
- Re: [Qemu-devel] Re: [PATCH 1/3] Only call aio flush handler if set, (continued)
[Qemu-devel] [PATCH 2/3] Move aio implementation out of raw block driver, Ryan Harper, 2008/09/22
- [Qemu-devel] Re: [PATCH 2/3] Move aio implementation out of raw block driver, Ryan Harper, 2008/09/22
- [Qemu-devel] Re: [PATCH 2/3] Move aio implementation out of raw block driver, Anthony Liguori, 2008/09/22
- Re: [Qemu-devel] Re: [PATCH 2/3] Move aio implementation out of raw block driver, Ryan Harper, 2008/09/23
- Re: [Qemu-devel] Re: [PATCH 2/3] Move aio implementation out of raw block driver, Anthony Liguori, 2008/09/23
- Re: [Qemu-devel] Re: [PATCH 2/3] Move aio implementation out of raw block driver, Gerd Hoffmann, 2008/09/23
- Re: [Qemu-devel] Re: [PATCH 2/3] Move aio implementation out of raw block driver, Anthony Liguori, 2008/09/23
- Re: [Qemu-devel] Re: [PATCH 2/3] Move aio implementation out of raw block driver,
Gerd Hoffmann <=
- Re: [Qemu-devel] Re: [PATCH 2/3] Move aio implementation out of raw block driver, Anthony Liguori, 2008/09/23
[Qemu-devel] Re: [PATCH 2/3] Move aio implementation out of raw block driver, Marcelo Tosatti, 2008/09/24
[Qemu-devel] [PATCH 2/3] Move aio implementation out of raw block driver, Ryan Harper, 2008/09/22
[Qemu-devel] Re: [PATCH 0/3] Refactor AIO to allow multiple AIO implementations, Anthony Liguori, 2008/09/22
Re: [Qemu-devel] [PATCH 0/3] Refactor AIO to allow multiple AIO implementations, Jamie Lokier, 2008/09/23