Messages in this thread | | | Date | Fri, 12 Nov 2010 08:45:56 +0100 | From | Jens Axboe <> | Subject | Re: [GIT PULL] xen blkfront barrier updates |
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On 2010-11-12 00:20, Jeremy Fitzhardinge wrote: > Hi Jens, > > Here's the xen-blkfront barrier changes we discussed in Boston (its > identical to the last posted version). > > The only comment was Christoph pointing out EOPNOTSUPP is not used in > the block interface, but blkfront is just using it as a local > placeholder and it never gets returned up to the block layer. > > I still haven't sorted out what's going on with the backends; we > definitely need either a FLUSH operation or make empty WRITE_BARRIER > work to flush disk caches.
Thanks Jeremy, I'll pull this in.
-- Jens Axboe
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