Messages in this thread | | | Date | Tue, 12 Mar 2013 16:06:33 +0100 | From | Jens Axboe <> | Subject | Re: [PATCHSET] writeback: convert writeback to unbound workqueue |
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On Thu, Mar 07 2013, Tejun Heo wrote: > Hello, > > There's no reason for writeback to implement its own worker pool when > using workqueue is much simpler and more efficient. This patchset > replaces writeback's custom worker pool with unbound workqueue and > also exports it to userland using WQ_SYSFS so that it can be tuned > from userland as requested a couple releases ago. > > This patchset contains the following four patches. > > 0001-implement-current_is_workqueue_rescuer.patch > 0002-writeback-remove-unused-bdi_pending_list.patch > 0003-writeback-replace-custom-worker-pool-implementation-.patch > 0004-writeback-expose-the-bdi_wq-workqueue.patch > > 0001-0002 are prep patches. 0003 does the conversion. 0004 makes > bdi_wq visible to userland. > > This patchset is on top of v3.9-rc1 + "workqueue: implement workqueue > with custom worker attributes" patchset[1] and available in the > following git branch. > > git://git.kernel.org/pub/scm/linux/kernel/git/tj/wq.git review-writeback-conversion
I like it, diffstat looks nice too :-)
Have you done any performance testing, or just functional verification?
-- Jens Axboe
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