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From: | Avi Kivity |
Subject: | Re: [Qemu-devel] [PATCH 0/3] write barrier support |
Date: | Tue, 05 May 2009 16:53:25 +0300 |
User-agent: | Thunderbird 2.0.0.21 (X11/20090320) |
Christoph Hellwig wrote:
Add support for write barriers that allow guests to control write ordering when write back cachin is enabled. For now only the simple stack of virtio on posix raw/host devices is supported.
I suggest emulating barriers for format drivers that don't support them by queuing the writes in the block layer and issuing a flush_all command.
-- error compiling committee.c: too many arguments to function
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