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由 Pavel Begunkov 提交于
mainline inclusion from mainline-5.7-rc1 commit e9fd9396 category: feature bugzilla: https://bugzilla.openeuler.org/show_bug.cgi?id=27 CVE: NA --------------------------- First it changes io-wq interfaces. It replaces {get,put}_work() with free_work(), which guaranteed to be called exactly once. It also enforces free_work() callback to be non-NULL. io_uring follows the changes and instead of putting a submission reference in io_put_req_async_completion(), it will be done in io_free_work(). As removes io_get_work() with corresponding refcount_inc(), the ref balance is maintained. Signed-off-by: NPavel Begunkov <asml.silence@gmail.com> Signed-off-by: NJens Axboe <axboe@kernel.dk> Signed-off-by: Nyangerkun <yangerkun@huawei.com> Reviewed-by: Nzhangyi (F) <yi.zhang@huawei.com> Signed-off-by: NCheng Jian <cj.chengjian@huawei.com>
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