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Re: [Qemu-devel] [PATCH] Allow adjustment of http block device's readahe


From: Alexander Graf
Subject: Re: [Qemu-devel] [PATCH] Allow adjustment of http block device's readahead size.
Date: Tue, 30 Jun 2009 15:09:21 +0200


On 29.06.2009, at 15:45, Anthony Liguori wrote:

Nolan wrote:
Allow adjustment of http block device's readahead size, via the
environment variable "HTTP_READAHEAD_SIZE".

Signed-off-by: Nolan Leake <nolan <at> sigbus.net>


I'd rather a command line option than an environmental variable.

Wouldn't it make sense to pass arbitrary options via -drive to backends?

That way we could have -drive file=http://sample.com/test.iso,http-readahead=1024 .

Alex





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