tools/io_uring: fix compile breakage
[ Upstream commit 72f04da48a
]
It would seem none of the kernel continuous integration does this:
$ cd tools/io_uring
$ make
Otherwise it may have noticed:
cc -Wall -Wextra -g -D_GNU_SOURCE -c -o io_uring-bench.o
io_uring-bench.c
io_uring-bench.c:133:12: error: static declaration of ‘gettid’
follows non-static declaration
133 | static int gettid(void)
| ^~~~~~
In file included from /usr/include/unistd.h:1170,
from io_uring-bench.c:27:
/usr/include/x86_64-linux-gnu/bits/unistd_ext.h:34:16: note:
previous declaration of ‘gettid’ was here
34 | extern __pid_t gettid (void) __THROW;
| ^~~~~~
make: *** [<builtin>: io_uring-bench.o] Error 1
The problem on Ubuntu 20.04 (with lk 5.9.0-rc5) is that unistd.h
already defines gettid(). So prefix the local definition with
"lk_".
Signed-off-by: Douglas Gilbert <dgilbert@interlog.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
5.4-rM2-2.2.x-imx-squashed
parent
4e4646c85e
commit
8cc5eb809a
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@ -130,7 +130,7 @@ static int io_uring_register_files(struct submitter *s)
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s->nr_files);
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}
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static int gettid(void)
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static int lk_gettid(void)
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{
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return syscall(__NR_gettid);
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}
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@ -281,7 +281,7 @@ static void *submitter_fn(void *data)
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struct io_sq_ring *ring = &s->sq_ring;
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int ret, prepped;
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printf("submitter=%d\n", gettid());
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printf("submitter=%d\n", lk_gettid());
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srand48_r(pthread_self(), &s->rand);
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