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In case malloc fails, the fix returns NULL to avoid NULL pointer
dereference.
Signed-off-by: zhangliguang <zhangliguang@linux.alibaba.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Put the data at the end so we don't have to offset the actual buffer.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Add short read requeue and abort on error.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Still need to handle broken chains, must resubmit those.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Just a basic test case that does various forms of linked nops, and
a sample bare bones copy program using linked reads and writes.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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We have io_uring_get_sqe() on the submission side, yet the completion
side is named _completion. Rename as follows:
io_uring_get_completion() io_uring_peek_cqe()
iO_uring_wait_completion() io_uring_wait_cqe()
This better tells the user what the _get variant does by calling it
_peek instead, and we move to using _cqe() as the postfix instead
of _completion.
Signed-off-by: Jens Axboe <axboe@kernel.dk>
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Also adds a runtests makefile target.
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