Re: [RFD] BIO_RW_BARRIER - what it means for devices, filesystems,and dm/md.
From: Phillip Susi
Date: Thu May 31 2007 - 14:31:22 EST
David Chinner wrote:
That sounds like a good idea - we can leave the existing
WRITE_BARRIER behaviour unchanged and introduce a new WRITE_ORDERED
behaviour that only guarantees ordering. The filesystem can then
choose which to use where appropriate....
So what if you want a synchronous write, but DON'T care about the order?
They need to be two completely different flags which you can choose
to combine, or use individually.
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