On Thu, Aug 27, 2009 at 12:54:05PM -0400, Jeff Garzik wrote: > DM has some barrier code... but the above code was pasted from DM's > make_request function, so I am guessing that DM's barrier stuff is > incomplete and disabled at present. That code is from the new request-based multipath implementation in 2.6.31 which doesn't yet. But bio-based dm does support barriers now. (Just missing some patches to complete the dm-raid1 support that are still under review IIRC.) Alasdair -- To unsubscribe from this list: send the line "unsubscribe linux-ext4" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
