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@@ -0,0 +1,49 @@
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+From 5e8865c0e08861558c1253c521dc9098d0c773ee Mon Sep 17 00:00:00 2001
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+From: Jens Axboe <axboe@kernel.dk>
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+Date: Mon, 16 Mar 2020 08:30:36 -0600
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+Subject: [PATCH] t/io_uring: don't use *rand48_r() variants
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+
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+Not available on all platforms.
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+
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+Signed-off-by: Jens Axboe <axboe@kernel.dk>
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+
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+[Patch from upstream
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+https://github.com/axboe/fio/commit/5e8865c0e08861558c1253c521dc9098d0c773ee]
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+Signed-off-by: Heiko Thiery <heiko.thiery@gmail.com>
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+---
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+ t/io_uring.c | 5 ++---
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+ 1 file changed, 2 insertions(+), 3 deletions(-)
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+
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+diff --git a/t/io_uring.c b/t/io_uring.c
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+index e84a2b6b..d48db1e9 100644
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+--- a/t/io_uring.c
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++++ b/t/io_uring.c
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+@@ -63,7 +63,6 @@ struct file {
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+ struct submitter {
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+ pthread_t thread;
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+ int ring_fd;
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+- struct drand48_data rand;
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+ struct io_sq_ring sq_ring;
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+ struct io_uring_sqe *sqes;
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+ struct io_cq_ring cq_ring;
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+@@ -170,7 +169,7 @@ static void init_io(struct submitter *s, unsigned index)
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+ }
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+ f->pending_ios++;
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+
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+- lrand48_r(&s->rand, &r);
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++ r = lrand48();
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+ offset = (r % (f->max_blocks - 1)) * BS;
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+
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+ if (register_files) {
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+@@ -286,7 +285,7 @@ static void *submitter_fn(void *data)
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+
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+ printf("submitter=%d\n", gettid());
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+
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+- srand48_r(pthread_self(), &s->rand);
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++ srand48(pthread_self());
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+
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+ prepped = 0;
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+ do {
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+--
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+2.20.1
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+
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Heiko Thiery