From: Jens Axboe axboe@kernel.dk
mainline inclusion from mainline-5.5-rc3 commit 525b305d61ede489ce2118b000a5dabd6d869dac category: feature bugzilla: https://bugzilla.openeuler.org/show_bug.cgi?id=27 CVE: NA ---------------------------
This reverts commit 8cdda87a4414, we now have several use csaes for this helper. Reinstate it.
Signed-off-by: Jens Axboe axboe@kernel.dk Signed-off-by: yangerkun yangerkun@huawei.com Reviewed-by: zhangyi (F) yi.zhang@huawei.com Signed-off-by: Cheng Jian cj.chengjian@huawei.com --- fs/io-wq.h | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/fs/io-wq.h b/fs/io-wq.h index fb993b2bd0ef..3f5e356de980 100644 --- a/fs/io-wq.h +++ b/fs/io-wq.h @@ -120,6 +120,10 @@ static inline void io_wq_worker_sleeping(struct task_struct *tsk) static inline void io_wq_worker_running(struct task_struct *tsk) { } -#endif /* CONFIG_IO_WQ */ +#endif
-#endif /* INTERNAL_IO_WQ_H */ +static inline bool io_wq_current_is_worker(void) +{ + return in_task() && (current->flags & PF_IO_WORKER); +} +#endif