Re: [dm-devel] Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.

[Alasdair G Kergon]

On Thu, May 31, 2007 at 10:46:04AM +1000, Neil Brown wrote:
> If a filesystem cares, it could 'ask' as suggested above.
> What would be a good interface for asking?

XFS already tests:
  bd_disk->queue->ordered == QUEUE_ORDERED_NONE

Alasdair
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