Messages in this thread | | | Date | Wed, 13 Jun 2012 21:18:01 +0200 | From | Jens Axboe <> | Subject | Re: [PATCH V2] umem: fix up unplugging |
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On Thu, Jun 07 2012, Tao Guo wrote: > Fix a regression introduced by 7eaceaccab5f40 ("block: remove per-queue > plugging"). In that patch, Jens removed the whole mm_unplug_device() > function, which used to be the trigger to make umem start to work. > > We need to implement unplugging to make umem start to work, or I/O will > never be triggered.
Applied this one, dropped the other two. Would still be nice to move this generic functionality into the block core and unify md/umem in this regard for 3.6, if you would like to do that.
-- Jens Axboe
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