NAME

       io_uring_prep_remove_buffers - prepare a remove buffers request

SYNOPSIS

       #include <liburing.h>

       void io_uring_prep_remove_buffers(struct io_uring_sqe *sqe,
                                          int nr,
                                          int bgid);

DESCRIPTION

       The  io_uring_prep_remove_buffers(3)  function  prepares a request for removing previously
       supplied buffers. The submission queue entry sqe is setup to remove nr number  of  buffers
       from the buffer group ID indicated by bgid.

RETURN VALUE

       None

ERRORS

       These  are the errors that are reported in the CQE res field. On success, res will contain
       the number of successfully removed buffers. On error, the following errors can occur.

       -ENOMEM
              The kernel was unable to allocate memory for the request.

       -EINVAL
              One of the fields set in the SQE was invalid.

       -ENOENT
              No buffers exist at the specified bgid buffer group ID.

SEE ALSO

       io_uring_get_sqe(3),               io_uring_submit(3),               io_uring_register(2),
       io_uring_prep_provide_buffers(3)