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-rw-r--r--io_uring/io_uring.c15
1 files changed, 12 insertions, 3 deletions
diff --git a/io_uring/io_uring.c b/io_uring/io_uring.c
index a85d8879c070..38bc0073a7d4 100644
--- a/io_uring/io_uring.c
+++ b/io_uring/io_uring.c
@@ -2346,7 +2346,7 @@ static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx,
struct io_wait_queue *iowq,
ktime_t *timeout)
{
- int ret;
+ int token, ret;
unsigned long check_cq;
/* make sure we run task_work before checking for signals */
@@ -2362,9 +2362,18 @@ static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx,
if (check_cq & BIT(IO_CHECK_CQ_DROPPED_BIT))
return -EBADR;
}
+
+ /*
+ * Use io_schedule_prepare/finish, so cpufreq can take into account
+ * that the task is waiting for IO - turns out to be important for low
+ * QD IO.
+ */
+ token = io_schedule_prepare();
+ ret = 1;
if (!schedule_hrtimeout(timeout, HRTIMER_MODE_ABS))
- return -ETIME;
- return 1;
+ ret = -ETIME;
+ io_schedule_finish(token);
+ return ret;
}
/*