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The Linux Storage and Filesystem Summit, day 1The Linux Storage and Filesystem Summit, day 1Posted Aug 9, 2010 20:11 UTC (Mon) by masoncl (subscriber, #47138)In reply to: The Linux Storage and Filesystem Summit, day 1 by neilbrown Parent article: The 2010 Linux Storage and Filesystem Summit, day 1
>> barriers, as such, will be no more.
> Hurray!!!!! I've never liked barriers, as such.
Grin, there seems to be a large party dancing around the grave of the ordered barriers code.
But to clarify for the comments below, we do still want to issue cache flushes, the filesystems just promise to use wait_on_buffer/page for everything we care about first.
Most of the time these waits are already there...reiserfs is the biggest exception but that is very easily fixed since it is inside a big if (ordered_barriers) statement.
-chris
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