Looks like LVM finally got support for barriers in 2.6.29 (a year after first submitted) although only for linear targets.
I/O barriers and LVM
Posted Apr 1, 2009 13:40 UTC (Wed) by quotemstr (subscriber, #45331)
Posted Apr 1, 2009 19:03 UTC (Wed) by sbergman27 (guest, #10767)
Are you saying that distro kernels already do this? If so, I'm not suggesting that you are wrong. Just interested in more info.
Posted Apr 1, 2009 19:08 UTC (Wed) by quotemstr (subscriber, #45331)
Posted Apr 1, 2009 13:44 UTC (Wed) by masoncl (subscriber, #47138)
(Credit to Eric Sandeen for tracking it down).
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