Messages in this thread | | | Subject | Re: [PATCH] block: revert pushing the final release of request_queue to a workqueue. | From | "yukuai (C)" <> | Date | Fri, 7 Feb 2020 15:10:01 +0800 |
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On 2020/2/7 14:02, yukuai (C) wrote: > And I do agree that commit 7b36a7189fc3 is the right > one.
My apologize that this is a mistake. Commit db6d99523560 is the one that makes it safe to revert commit dc9edc44de6c. Because Commit db6d99523560 remove blk_exit_rl() from blkg_free().
blkg_release call_rcu --> can't sleep inside this __blkg_release blkg_free blk_exit_rl blk_put_queue
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