In preparation for expanding how we handle waits, move the actual schedule and schedule_timeout() handling into a helper. Signed-off-by: Jens Axboe <axboe@xxxxxxxxx> --- io_uring/io_uring.c | 37 +++++++++++++++++++++---------------- 1 file changed, 21 insertions(+), 16 deletions(-) diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c index f90a4490908b..2bdb66902f58 100644 --- a/io_uring/io_uring.c +++ b/io_uring/io_uring.c @@ -2350,22 +2350,10 @@ static bool current_pending_io(void) return percpu_counter_read_positive(&tctx->inflight); } -/* when returns >0, the caller should retry */ -static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx, - struct io_wait_queue *iowq) +static int __io_cqring_wait_schedule(struct io_ring_ctx *ctx, + struct io_wait_queue *iowq) { - int ret; - - if (unlikely(READ_ONCE(ctx->check_cq))) - return 1; - if (unlikely(!llist_empty(&ctx->work_llist))) - return 1; - if (unlikely(test_thread_flag(TIF_NOTIFY_SIGNAL))) - return 1; - if (unlikely(task_sigpending(current))) - return -EINTR; - if (unlikely(io_should_wake(iowq))) - return 0; + int ret = 0; /* * Mark us as being in io_wait if we have pending requests, so cpufreq @@ -2374,7 +2362,6 @@ static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx, */ if (!iowq->no_iowait && current_pending_io()) current->in_iowait = 1; - ret = 0; if (iowq->timeout == KTIME_MAX) schedule(); else if (!schedule_hrtimeout_range_clock(&iowq->timeout, 0, @@ -2384,6 +2371,24 @@ static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx, return ret; } +/* If this returns > 0, the caller should retry */ +static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx, + struct io_wait_queue *iowq) +{ + if (unlikely(READ_ONCE(ctx->check_cq))) + return 1; + if (unlikely(!llist_empty(&ctx->work_llist))) + return 1; + if (unlikely(test_thread_flag(TIF_NOTIFY_SIGNAL))) + return 1; + if (unlikely(task_sigpending(current))) + return -EINTR; + if (unlikely(io_should_wake(iowq))) + return 0; + + return __io_cqring_wait_schedule(ctx, iowq); +} + struct ext_arg { size_t argsz; struct __kernel_timespec __user *ts; -- 2.43.0