cpp/liburing
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Add sqe prep helpers

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Signed-off-by: Jens Axboe <axboe@kernel.dk>
This commit is contained in:
Jens Axboe
2019-01-17 18:12:22 -07:00
parent 980cc0f025
commit 5789a6351a
5 changed files with 67 additions and 49 deletions
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21
test/io_uring-cp.c
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@@ -68,16 +68,9 @@ static int queue_read(int fd, off_t size, off_t offset)
data->offset = offset;
data->iov = &iovecs[sqe_index(sqe)];
sqe->opcode = IORING_OP_READV;
sqe->flags = 0;
sqe->ioprio = 0;
sqe->fd = fd;
sqe->off = offset;
sqe->addr = (unsigned long) data->iov;
sqe->buf_index = 0;
sqe->user_data = (unsigned long) data;
io_uring_prep_readv(sqe, fd, data->iov, 1, offset);
io_uring_sqe_set_data(sqe, data);
iovecs[sqe_index(sqe)].iov_len = size;
sqe->len = 1;
return 0;
}
@@ -118,16 +111,8 @@ static void queue_write(int fd, struct io_uring_cqe *cqe)
struct io_uring_sqe *sqe;
sqe = io_uring_get_sqe(&out_ring);
sqe->opcode = IORING_OP_WRITEV;
sqe->flags = 0;
sqe->ioprio = 0;
sqe->fd = fd;
sqe->off = data->offset;
sqe->addr = (unsigned long) data->iov;
sqe->buf_index = 0;
sqe->user_data = 0;
io_uring_prep_writev(sqe, fd, data->iov, 1, data->offset);
data->iov->iov_len = cqe->res;
sqe->len = 1;
free(data);
}