Re: Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems, and dm/md.
From: David Chinner <hidden>
Date: 2007-05-31 01:11:27
Also in:
dm-devel, linux-fsdevel, lkml
From: David Chinner <hidden>
Date: 2007-05-31 01:11:27
Also in:
dm-devel, linux-fsdevel, lkml
On Thu, May 31, 2007 at 02:07:39AM +0100, Alasdair G Kergon wrote:
On Thu, May 31, 2007 at 10:46:04AM +1000, Neil Brown wrote:quoted
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
The side effects of removing that check is what started this whole discussion. Cheers, Dave. -- Dave Chinner Principal Engineer SGI Australian Software Group