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.\" Copyright (C) 2022 Dylan Yudaken <dylany@fb.com>
.\"
.\" SPDX-License-Identifier: LGPL-2.0-or-later
.\"
.TH io_uring_buf_ring_mask 3 "June 13, 2022" "liburing-2.2" "liburing Manual"
.SH NAME
io_uring_buf_ring_mask \- Calculate buffer ring mask size
.SH SYNOPSIS
.nf
.B #include <liburing.h>
.PP
.BI "int io_uring_buf_ring_mask(__u32 " ring_entries ");"
.fi
.SH DESCRIPTION
.PP
.BR io_uring_buf_ring_mask (3)
calculates the appropriate size mask for a buffer ring.
.IR ring_entries
is the ring entries as specified in
.BR io_uring_register_buf_ring (3) .
.SH RETURN VALUE
Size mask for the buffer ring.
.SH SEE ALSO
.BR io_uring_register_buf_ring (3),
.BR io_uring_buf_ring_add (3)
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