On Mon, Mar 14, 2011 at 5:16 PM, Christoph Hellwig <h...@lst.de> wrote: > On Mon, Mar 14, 2011 at 05:07:57PM +0000, Stefan Hajnoczi wrote: >> Hi Christoph, >> I have written up thoughts on write cache enable, including a >> workaround to change O_SYNC on a file without kernel changes: >> >> http://wiki.qemu.org/Features/WriteCacheEnable >> >> Guest ability to control write cache enable is useful and I'd like to >> see it in QEMU soon. Any thoughts about what I've posted? Care to >> submit your patches? > > I have patches using Prerna's close and reopen method almost ready for > posting. > Still fighting a bit with the new virtio code to wire it up. > > Unlike your variant I actually added a generic change config request type, > which allows to re-use it for other runtime controllable features later.
Sounds like a good idea. Feel free to post the patches RFC and I or someone else can debug and polish them if you don't have time. Stefan
