Re: [PATCH] blk-mq: Drop explicit timeout sync in hotplug

2016-11-28 Thread Ming Lei
On Tue, Nov 29, 2016 at 1:01 AM, Gabriel Krisman Bertazi wrote: > Sorry for the dup. Missed linux-block address. > >>8 > > After commit 287922eb0b18 ("block: defer timeouts to a workqueue"), > deleting the timeout work after freezing the queue shouldn't be >

[PATCH] blk-mq: Drop explicit timeout sync in hotplug

2016-11-28 Thread Gabriel Krisman Bertazi
Sorry for the dup. Missed linux-block address. >8 After commit 287922eb0b18 ("block: defer timeouts to a workqueue"), deleting the timeout work after freezing the queue shouldn't be necessary, since the synchronization is already enforced by the acquisition of a q_usage_counter reference in