tree dd55bd6363e04a32ca4e39661cd097cdb4fa7eff
parent 24bc3ea5df2e1d89e9d50ecca57c210b87ad61d2
author Keith Busch <keith.busch@intel.com> 1450824524 -0700
committer Jens Axboe <axboe@fb.com> 1450829965 -0700

block: Split bios on chunk boundaries

For h/w that advertise their block storage's underlying chunk size, it's
a big performance win to not submit commands that cross them. This patch
uses that criteria if it is provided. If it is not provided, this patch
uses the max sectors as before.

Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Jens Axboe <axboe@fb.com>