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Re: [Qemu-devel] [PATCH 3/5] push down vector linearization to posix-aio
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From: |
Christoph Hellwig |
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Subject: |
Re: [Qemu-devel] [PATCH 3/5] push down vector linearization to posix-aio-compat.c |
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Date: |
Sun, 29 Mar 2009 23:21:52 +0200 |
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User-agent: |
Mutt/1.3.28i |
On Sun, Mar 29, 2009 at 04:01:26PM -0500, Anthony Liguori wrote:
> This bug is not limited to win32 though. It has to do with having a
> backend disk format that does not provide a proper aio implement (which
> suggests your new brv_aio_{readv,writev}_em at fault). You can
> reproduce on a normal Linux build by converting an existing image to a
> format like vmdk and then testing with that. It's not 100% reliable but
> 9 times out of 10 I don't get past the grub loader with this patch applied.
This bug? I did test cow, vmdk and vpc and can't reproduce it. By
inspection I can find a use after free in bdrv_aio_bh_cb, though.
Will repost the whole series, the win32 aio removal and some
recent scsi-disk commits caused a whole lot of rejects..
[Qemu-devel] [PATCH 4/5] native preadv/pwritev support, Christoph Hellwig, 2009/03/29
[Qemu-devel] [PATCH 5/5] experimental native preadv/pwritev support for Linux, Christoph Hellwig, 2009/03/29