io_uring_prep_remove_buffers(3) — Linux manual page


io_uring_prep_remove_buffers(3)buring Manualuring_prep_remove_buffers(3)

NAME         top

       io_uring_prep_remove_buffers - prepare a remove buffers request

SYNOPSIS         top

       #include <liburing.h>

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

DESCRIPTION         top

       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         top


ERRORS         top

       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.

              The kernel was unable to allocate memory for the request.

              One of the fields set in the SQE was invalid.

              No buffers exist at the specified bgid buffer group ID.

SEE ALSO         top

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

COLOPHON         top

       This page is part of the liburing (A library for io_uring)
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       ⟨⟩ on 2023-06-23.  (At that
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liburing-2.2                 March 13, 202i2o_uring_prep_remove_buffers(3)

Pages that refer to this page: io_uring_prep_provide_buffers(3)io_uring_prep_remove_buffers(3)