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Re: [Qemu-devel] [PATCH 0/3] block: Handle multiple write requests at on
Re: [Qemu-devel] [PATCH 0/3] block: Handle multiple write requests at once
Wed, 2 Sep 2009 19:26:06 +0200
On Wed, Sep 02, 2009 at 05:50:47PM +0200, Kevin Wolf wrote:
> It's a RHEL 5.3 installation, and the kernel doesn't seem to even
> provide this file. However, I think I read that this is an issue of
> relatively new kernels, so probably not?
> What could matter, though, is that the installer uses LVM for the
> standard layout which I'm using. Does this make a difference in that
It should not matter. Then again it should not issue these I/O patterns
at all, but it does. Something is clearly wrong in those I/O patterns,
but given that the exist out there in the field it seems like we'll have
to deal with it. I'll look over the patch a bit more carefully to see
if there is any obviously better way to handle it.
- [Qemu-devel] [PATCH 3/3] qcow2: Add bdrv_aio_multiwrite implementation, (continued)