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From: | Anthony Liguori |
Subject: | Re: [Qemu-devel] [PATCH] block: prevent multiwrite_merge from creating too large iovecs |
Date: | Tue, 26 Jan 2010 07:08:20 -0600 |
User-agent: | Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.1.5) Gecko/20091209 Fedora/3.0-4.fc12 Lightning/1.0pre Thunderbird/3.0 |
On 01/26/2010 03:21 AM, Christoph Hellwig wrote:
On Wed, Jan 20, 2010 at 12:37:51PM +0100, Kevin Wolf wrote:To underline that it's a backend/platform dependent thing: Your patch breaks the mingw build for me.Actually that's because mingw is the usual piece of crap and doesn't actually have any of the vector support you can expect from a normal Unix system. I can either throw in an #ifdef IOV_MAX around the check or fake one up for mingw. Does any of the maintainers have a preference for either variant?
grep for CONFIG_IOVEC in qemu-common.h and add a #define IOV_MAX. mingw doesn't have iovec so we introduce a compat version. Regards, Anthony Liguori
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