tools/io_uring: sync with liburing
commit 004d564f908790efe815a6510a542ac1227ef2a2 upstream. 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: NJens Axboe <axboe@kernel.dk> Signed-off-by: NJoseph Qi <joseph.qi@linux.alibaba.com> Reviewed-by: NXiaoguang Wang <xiaoguang.wang@linux.alibaba.com>
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