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io_uring: optimise non-timeout waiting
[linux-block.git]
/
io_uring
/
io_uring.c
diff --git
a/io_uring/io_uring.c
b/io_uring/io_uring.c
index 2ec011f0ba7d11c1c89ecb1860932895f0651322..6229a49c0c33a1051ad5459c7440d969c167cc84 100644
(file)
--- a/
io_uring/io_uring.c
+++ b/
io_uring/io_uring.c
@@
-2479,7
+2479,9
@@
static inline int io_cqring_wait_schedule(struct io_ring_ctx *ctx,
return -EINTR;
if (unlikely(io_should_wake(iowq)))
return 0;
- if (!schedule_hrtimeout(timeout, HRTIMER_MODE_ABS))
+ if (*timeout == KTIME_MAX)
+ schedule();
+ else if (!schedule_hrtimeout(timeout, HRTIMER_MODE_ABS))
return -ETIME;
return 0;
}