[Qemu-devel] Re: Write cache enable from guest at runtime

2011-03-15 Thread Stefan Hajnoczi
On Tue, Mar 15, 2011 at 10:50 AM, Christoph Hellwig wrote: > On Mon, Mar 14, 2011 at 07:15:14PM +, Stefan Hajnoczi wrote: >> 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. > > By looking at your document an

[Qemu-devel] Re: Write cache enable from guest at runtime

2011-03-15 Thread Christoph Hellwig
On Mon, Mar 14, 2011 at 07:15:14PM +, Stefan Hajnoczi wrote: > 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. By looking at your document and doing what you recommend against I think I got a much simpler sol

[Qemu-devel] Re: Write cache enable from guest at runtime

2011-03-14 Thread Stefan Hajnoczi
On Mon, Mar 14, 2011 at 5:16 PM, Christoph Hellwig wrote: > On Mon, Mar 14, 2011 at 05:07:57PM +, 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

[Qemu-devel] Re: Write cache enable from guest at runtime

2011-03-14 Thread Christoph Hellwig
On Mon, Mar 14, 2011 at 05:07:57PM +, 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 ca