On Mon, Nov 14, 2016 at 10:28:37AM -0700, Jens Axboe wrote: > This is on top of for-4.10/dio, which has Christophs simplified sync > O_DIRECT support and the IO poll bits. > > The restriction on 4 inline vecs is removed on the sync support, we > just allocate the bio_vec array if we have to. I realize this negates > parts of the win of the patch for sync, but it's still a lot leaner > than the old code. And it means we use the same path for any type > of sync O_DIRECT, instead of potentially bouncing between the two. > > Second patch is adding async support for the code base. Lightly > tested. Performance results, from fio: І'd much rather add a separate path pased on the same scheme. And because I prefer that so much I actually did it a while ago, although it will need some minor updates for the current tree: http://git.infradead.org/users/hch/block.git/shortlog/refs/heads/new-dio I'll see if I can get it quickly updated.. -- To unsubscribe from this list: send the line "unsubscribe linux-block" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html