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Groups > linux.kernel > #1262497
| From | Jeff Moyer <jmoyer@redhat.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: [RFC 00/11] DAX fsynx/msync support |
| Date | 2015-11-04 19:40 +0100 |
| Message-ID | <qrb8u-449-3@gated-at.bofh.it> (permalink) |
| References | (2 earlier) <qpmKK-Q6-3@gated-at.bofh.it> <qqao9-6f8-1@gated-at.bofh.it> <qqohr-6oB-21@gated-at.bofh.it> <qqtK9-1nc-1@gated-at.bofh.it> <qquwy-1Uo-7@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Jeff Moyer <jmoyer@redhat.com> writes: >> Hence once the filesystem has waited on the REQ_WRITE|REQ_FLUSH IO >> to complete, we know that all the earlier REQ_WRITE IOs are on >> stable storage, too. Hence there's no need for the elevator to drain >> the queue to guarantee completion ordering - the dispatch ordering >> and flush/fua write semantics guarantee that when the flush/fua >> completes, all the IOs dispatch prior to that flush/fua write are >> also on stable storage... > > Des xfs rely on this model for correctness? If so, I'd say we've got a > problem. Dave? -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: [RFC 00/11] DAX fsynx/msync support Dave Chinner <david@fromorbit.com> - 2015-11-02 00:40 +0100
Re: [RFC 00/11] DAX fsynx/msync support Jeff Moyer <jmoyer@redhat.com> - 2015-11-02 15:30 +0100
Re: [RFC 00/11] DAX fsynx/msync support Dave Chinner <david@fromorbit.com> - 2015-11-02 21:20 +0100
Re: [RFC 00/11] DAX fsynx/msync support Jeff Moyer <jmoyer@redhat.com> - 2015-11-02 22:10 +0100
Re: [RFC 00/11] DAX fsynx/msync support Jeff Moyer <jmoyer@redhat.com> - 2015-11-04 19:40 +0100
Re: [RFC 00/11] DAX fsynx/msync support Dave Chinner <david@fromorbit.com> - 2015-11-05 09:40 +0100
Re: [RFC 00/11] DAX fsynx/msync support Jeff Moyer <jmoyer@redhat.com> - 2015-11-05 20:50 +0100
Re: [RFC 00/11] DAX fsynx/msync support Jens Axboe <axboe@kernel.dk> - 2015-11-05 22:00 +0100
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