io-wq: re-add io_wq_current_is_worker()

This reverts commit 8cdda87a44, we now have several use csaes for this
helper. Reinstate it.

Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe 2019-12-17 14:13:37 -07:00
parent 0b416c3e13
commit 525b305d61

View file

@ -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