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io/uring/Ring: Mark the io_uring as non-iowait% #2412

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Merged
MaxKellermann merged 1 commit into from
Jan 15, 2026
Merged

io/uring/Ring: Mark the io_uring as non-iowait% #2412

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8 changes: 8 additions & 0 deletions src/io/uring/Ring.cxx
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Original file line number Diff line number Diff line change
Expand Up @@ -12,13 +12,21 @@ Ring::Ring(unsigned entries, unsigned flags)
if (int error = io_uring_queue_init(entries, &ring, flags);
error < 0)
throw MakeErrno(-error, "io_uring_queue_init() failed");
#if !IO_URING_CHECK_VERSION(2, 10)
// Intentionally ignore the error code, as this is only supported on Linux 6.15+
(void) io_uring_set_iowait(&ring, false);
#endif
}

Ring::Ring(unsigned entries, struct io_uring_params &params)
{
if (int error = io_uring_queue_init_params(entries, &ring, &params);
error < 0)
throw MakeErrno(-error, "io_uring_queue_init_params() failed");
#if !IO_URING_CHECK_VERSION(2, 10)
// Intentionally ignore the error code, as this is only supported on Linux 6.15+
(void) io_uring_set_iowait(&ring, false);
#endif
}

void
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