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(parent: 57c5c65) | patch
block: Split bios on chunk boundaries
authorKeith Busch <keith.busch@intel.com>
Tue, 22 Dec 2015 22:48:44 +0000 (15:48 -0700)
committerJens Axboe <axboe@fb.com>
Wed, 23 Dec 2015 00:19:25 +0000 (17:19 -0700)
commite4f0fe1f3ccd993fa84e74d836fad5efc9c2e489
treedd55bd6363e04a32ca4e39661cd097cdb4fa7efftree | snapshot
parent57c5c659d16e1e23e2a2ce86b4679e98e390bc53commit | diff
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>
block/blk-merge.c diff | blob | history
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