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Re: [Qemu-devel] Safely reopening image files by stashing fds


From: Christoph Hellwig
Subject: Re: [Qemu-devel] Safely reopening image files by stashing fds
Date: Fri, 5 Aug 2011 16:27:37 +0200
User-agent: Mutt/1.5.17 (2007-11-01)

On Fri, Aug 05, 2011 at 10:27:00AM +0100, Stefan Hajnoczi wrote:
> > Why not do the latter unconditionally?
> 
> Because you cannot change O_DIRECT on an open fd :(.  This is why
> we're going through this pain.

You can.  What you can't right now is O_SYNC, but we're going to change
that.




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