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* tools/io_uring: sync with liburingJens Axboe2019-05-235-61/+118
| | | | | | | | | | | | | Various fixes and changes have been applied to liburing since we copied some select bits to the kernel testing/examples part, sync up with liburing to get those changes. Most notable is the change that split the CQE reading into the peek and seen event, instead of being just a single function. Also fixes an unsigned wrap issue in io_uring_submit(), leak of 'fd' in setup if we fail, and various other little issues. Signed-off-by: Jens Axboe <axboe@kernel.dk>
* tools/io_uring: fix Makefile for pthread library linkJens Axboe2019-05-231-1/+1
| | | | | | | | | | | | | | | Currently fails with: io_uring-bench.o: In function `main': /home/axboe/git/linux-block/tools/io_uring/io_uring-bench.c:560: undefined reference to `pthread_create' /home/axboe/git/linux-block/tools/io_uring/io_uring-bench.c:588: undefined reference to `pthread_join' collect2: error: ld returned 1 exit status Makefile:11: recipe for target 'io_uring-bench' failed make: *** [io_uring-bench] Error 1 Move -lpthread to the end. Signed-off-by: Jens Axboe <axboe@kernel.dk>
* tools/io_uring: remove IOCQE_FLAG_CACHEHITJens Axboe2019-04-081-28/+4
| | | | | | | This ended up not being included in the mainline version of io_uring, so drop it from the test app as well. Signed-off-by: Jens Axboe <axboe@kernel.dk>
* io_uring: add a few test toolsJens Axboe2019-03-069-0/+1380
This adds two test programs in tools/io_uring/ that demonstrate both the raw io_uring API (and all features) through a small benchmark app, io_uring-bench, and the liburing exposed API in a simplified cp(1) implementation through io_uring-cp. Signed-off-by: Jens Axboe <axboe@kernel.dk>