mirror_zfs/include/os/linux/kernel/linux/compiler_compat.h
Rob Norris 9530eb64e0 SPDX: license tags: CDDL-1.0
Sponsored-by: https://despairlabs.com/sponsor/
Signed-off-by: Rob Norris <robn@despairlabs.com>
Reviewed-by: Tony Hutter <hutter2@llnl.gov>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
2025-04-16 09:59:44 -07:00

45 lines
1.3 KiB
C

// SPDX-License-Identifier: CDDL-1.0
/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or https://opensource.org/licenses/CDDL-1.0.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright (C) 2018 Lawrence Livermore National Security, LLC.
*/
#ifndef _ZFS_COMPILER_COMPAT_H
#define _ZFS_COMPILER_COMPAT_H
#include <linux/compiler.h>
#if !defined(zfs_fallthrough)
#if defined(HAVE_IMPLICIT_FALLTHROUGH)
#define zfs_fallthrough __attribute__((__fallthrough__))
#else
#define zfs_fallthrough ((void)0)
#endif
#endif
#if !defined(READ_ONCE)
#define READ_ONCE(x) ACCESS_ONCE(x)
#endif
#endif /* _ZFS_COMPILER_COMPAT_H */