Messages in this thread | | | Date | Tue, 8 Nov 2016 17:52:21 -0500 | From | Tejun Heo <> | Subject | Re: [PATCH v2] fs/nfsd/nfs4callback: Remove deprecated create_singlethread_workqueue |
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Hello, Bruce.
On Tue, Nov 08, 2016 at 04:39:11PM -0500, J. Bruce Fields wrote: > Apologies, just cleaning out old mail and finding some I should have > responded to long ago: > > On Wed, Aug 31, 2016 at 02:23:48AM +0530, Bhaktipriya Shridhar wrote: > > The workqueue "callback_wq" queues a single work item &cb->cb_work per > > nfsd4_callback instance and thus, it doesn't require execution ordering. > > What's "execution ordering"? > > We definitely do depend on the fact that at most one of these is running > at a time.
If there can be multiple cb's and thus cb->cb_work's per callback_wq, it'd need explicit ordering. Is that the case?
Thanks.
-- tejun
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