io_uring_sqe_set_data - set user data for submission queue event
#include <liburing.h>
void io_uring_sqe_set_data(struct io_uring_sqe *sqe,
void *user_data);
void io_uring_sqe_set_data64(struct io_uring_sqe *sqe,
__u64 data);
The function stores a
user_data pointer
with the submission queue entry
sqe.
The
io_uring_sqe_set_data64(3) function stores a 64-bit
data value
with the submission queue entry
sqe.
After the caller has requested a submission queue entry (SQE) with
io_uring_get_sqe(3), they can associate a data pointer or value
with the SQE. Once the completion arrives, the function
io_uring_cqe_get_data(3) or
io_uring_cqe_get_data64(3) can be
called to retrieve the data pointer or value associated with the submitted
request.
None
io_uring_get_sqe(3),
io_uring_cqe_get_data(3)