io_uring_prep_remove_buffers(3) — Linux manual page

io_uring_pr...ove_buffers(3) liburing Manualio_uring_pr...ove_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

       None

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.

       -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         top

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

COLOPHON         top

       This page is part of the liburing (A library for io_uring)
       project.  Information about the project can be found at 
       ⟨https://github.com/axboe/liburing⟩.  If you have a bug report for
       this manual page, send it to [email protected].  This page
       was obtained from the project's upstream Git repository
       ⟨https://github.com/axboe/liburing⟩ on 2024-06-14.  (At that
       time, the date of the most recent commit that was found in the
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       [email protected]

liburing-2.2                 March 13, 2022 io_uring_pr...ove_buffers(3)

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

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