1io_uring_prep_remove_buffers(3) liburing Manualio_uring_prep_remove_buffers(3)
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NAME

6       io_uring_prep_remove_buffers - prepare a remove buffers request
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SYNOPSIS

9       #include <liburing.h>
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11       void io_uring_prep_remove_buffers(struct io_uring_sqe *sqe,
12                                          int nr,
13                                          int bgid);
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DESCRIPTION

16       The io_uring_prep_remove_buffers(3) function prepares a request for re‐
17       moving previously supplied buffers. The submission queue entry  sqe  is
18       setup to remove nr number of buffers from the buffer group ID indicated
19       by bgid.
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RETURN VALUE

23       None
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ERRORS

26       These are the errors that are reported in the CQE res  field.  On  suc‐
27       cess,  res  will contain the number of successfully removed buffers. On
28       error, the following errors can occur.
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30       -ENOMEM
31              The kernel was unable to allocate memory for the request.
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33       -EINVAL
34              One of the fields set in the SQE was invalid.
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36       -ENOENT
37              No buffers exist at the specified bgid buffer group ID.
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SEE ALSO

40       io_uring_get_sqe(3), io_uring_submit(3),  io_uring_register(2),  io_ur‐
41       ing_prep_provide_buffers(3)
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45liburing-2.2                    March 13, 2022 io_uring_prep_remove_buffers(3)
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