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46c71074ca
This change updates the documentation to refer to the project as OpenZFS instead ZFS on Linux. Web links have been updated to refer to https://github.com/openzfs/zfs. The extraneous zfsonlinux.org web links in the ZED and SPL sources have been dropped. Reviewed-by: George Melikov <mail@gmelikov.ru> Reviewed-by: Richard Laager <rlaager@wiktel.com> Reviewed-by: Ryan Moeller <ryan@iXsystems.com> Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov> Closes #11007
254 lines
5.0 KiB
C
254 lines
5.0 KiB
C
/*
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* Copyright (C) 2007-2010 Lawrence Livermore National Security, LLC.
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* Copyright (C) 2007 The Regents of the University of California.
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* Produced at Lawrence Livermore National Laboratory (cf, DISCLAIMER).
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* Written by Brian Behlendorf <behlendorf1@llnl.gov>.
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* UCRL-CODE-235197
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*
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* This file is part of the SPL, Solaris Porting Layer.
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*
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* The SPL is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* option) any later version.
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*
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* The SPL is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with the SPL. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _SPL_ISA_DEFS_H
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#define _SPL_ISA_DEFS_H
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/* x86_64 arch specific defines */
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#if defined(__x86_64) || defined(__x86_64__)
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#if !defined(__x86_64)
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#define __x86_64
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#endif
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#if !defined(__amd64)
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#define __amd64
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#endif
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#if !defined(__x86)
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#define __x86
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#endif
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#if defined(_ILP32)
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/* x32-specific defines; careful to *not* define _LP64 here */
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#else
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#if !defined(_LP64)
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#define _LP64
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#endif
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#endif
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#define _ALIGNMENT_REQUIRED 1
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/* i386 arch specific defines */
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#elif defined(__i386) || defined(__i386__)
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#if !defined(__i386)
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#define __i386
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#endif
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#if !defined(__x86)
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#define __x86
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#endif
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#if !defined(_ILP32)
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#define _ILP32
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#endif
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#define _ALIGNMENT_REQUIRED 0
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/* powerpc (ppc64) arch specific defines */
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#elif defined(__powerpc) || defined(__powerpc__) || defined(__powerpc64__)
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#if !defined(__powerpc)
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#define __powerpc
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#endif
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#if !defined(__powerpc__)
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#define __powerpc__
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#endif
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#if defined(__powerpc64__)
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#if !defined(_LP64)
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#define _LP64
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#endif
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#else
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#if !defined(_ILP32)
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#define _ILP32
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#endif
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#endif
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/*
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* Illumos doesn't define _ALIGNMENT_REQUIRED for PPC, so default to 1
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* out of paranoia.
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*/
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#define _ALIGNMENT_REQUIRED 1
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/* arm arch specific defines */
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#elif defined(__arm) || defined(__arm__) || defined(__aarch64__)
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#if !defined(__arm)
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#define __arm
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#endif
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#if !defined(__arm__)
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#define __arm__
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#endif
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#if defined(__aarch64__)
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#if !defined(_LP64)
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#define _LP64
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#endif
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#else
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#if !defined(_ILP32)
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#define _ILP32
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#endif
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#endif
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#if defined(__ARMEL__) || defined(__AARCH64EL__)
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#define _ZFS_LITTLE_ENDIAN
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#else
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#define _ZFS_BIG_ENDIAN
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#endif
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/*
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* Illumos doesn't define _ALIGNMENT_REQUIRED for ARM, so default to 1
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* out of paranoia.
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*/
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#define _ALIGNMENT_REQUIRED 1
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/* sparc arch specific defines */
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#elif defined(__sparc) || defined(__sparc__)
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#if !defined(__sparc)
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#define __sparc
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#endif
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#if !defined(__sparc__)
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#define __sparc__
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#endif
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#if defined(__arch64__)
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#if !defined(_LP64)
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#define _LP64
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#endif
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#else
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#if !defined(_ILP32)
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#define _ILP32
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#endif
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#endif
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#define _ZFS_BIG_ENDIAN
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#define _SUNOS_VTOC_16
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#define _ALIGNMENT_REQUIRED 1
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/* s390 arch specific defines */
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#elif defined(__s390__)
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#if defined(__s390x__)
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#if !defined(_LP64)
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#define _LP64
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#endif
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#else
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#if !defined(_ILP32)
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#define _ILP32
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#endif
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#endif
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#define _ZFS_BIG_ENDIAN
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/*
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* Illumos doesn't define _ALIGNMENT_REQUIRED for s390, so default to 1
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* out of paranoia.
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*/
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#define _ALIGNMENT_REQUIRED 1
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/* MIPS arch specific defines */
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#elif defined(__mips__)
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#if defined(__MIPSEB__)
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#define _ZFS_BIG_ENDIAN
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#elif defined(__MIPSEL__)
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#define _ZFS_LITTLE_ENDIAN
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#else
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#error MIPS no endian specified
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#endif
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#ifndef _LP64
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#define _ILP32
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#endif
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#define _SUNOS_VTOC_16
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/*
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* Illumos doesn't define _ALIGNMENT_REQUIRED for MIPS, so default to 1
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* out of paranoia.
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*/
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#define _ALIGNMENT_REQUIRED 1
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/*
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* RISC-V arch specific defines
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* only RV64G (including atomic) LP64 is supported yet
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*/
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#elif defined(__riscv) && defined(_LP64) && _LP64 && \
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defined(__riscv_atomic) && __riscv_atomic
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#ifndef __riscv__
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#define __riscv__
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#endif
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#ifndef __rv64g__
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#define __rv64g__
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#endif
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#define _ZFS_LITTLE_ENDIAN
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#define _SUNOS_VTOC_16
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#define _ALIGNMENT_REQUIRED 1
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#else
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/*
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* Currently supported:
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* x86_64, x32, i386, arm, powerpc, s390, sparc, mips, and RV64G
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*/
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#error "Unsupported ISA type"
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#endif
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#if defined(_ILP32) && defined(_LP64)
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#error "Both _ILP32 and _LP64 are defined"
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#endif
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#if !defined(_ILP32) && !defined(_LP64)
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#error "Neither _ILP32 or _LP64 are defined"
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#endif
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#include <sys/byteorder.h>
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/*
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* CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS will be defined by the Linux
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* kernel for architectures which support efficient unaligned access.
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*/
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#if defined(CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS)
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#define HAVE_EFFICIENT_UNALIGNED_ACCESS
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#endif
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#if defined(_ZFS_LITTLE_ENDIAN) && defined(_ZFS_BIG_ENDIAN)
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#error "Both _ZFS_LITTLE_ENDIAN and _ZFS_BIG_ENDIAN are defined"
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#endif
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#if !defined(_ZFS_LITTLE_ENDIAN) && !defined(_ZFS_BIG_ENDIAN)
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#error "Neither _ZFS_LITTLE_ENDIAN or _ZFS_BIG_ENDIAN are defined"
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#endif
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#endif /* _SPL_ISA_DEFS_H */
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