On Sat, 2010-01-02 at 15:54 -0600, James Bottomley wrote: > Well, that's the result of the email thread. XFS is poking deeply into > architectural issues by trying to do I/O on a vmap area. I thought the > consensus was that if xfs wants to do that then it takes complete > responsibility for coherence rather than trying to hide it in a block > API. Well, maybe ... Mostly my comment was about the "other" (standard) DMA APIs, ie, the work you do for XFS just reminded me of that issue I've been thinking about :-) Cheers, Ben. -- To unsubscribe from this list: send the line "unsubscribe linux-arch" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html