49 lines
1.5 KiB
C
49 lines
1.5 KiB
C
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/*
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* CDDL HEADER START
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*
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* The contents of this file are subject to the terms of the
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* Common Development and Distribution License (the "License").
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* You may not use this file except in compliance with the License.
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*
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* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
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* or http://www.opensolaris.org/os/licensing.
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* See the License for the specific language governing permissions
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* and limitations under the License.
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*
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* When distributing Covered Code, include this CDDL HEADER in each
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* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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* If applicable, add the following below this CDDL HEADER, with the
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* fields enclosed by brackets "[]" replaced with your own identifying
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* information: Portions Copyright [yyyy] [name of copyright owner]
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*
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* CDDL HEADER END
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*/
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/*
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* Copyright (c) 2015 by Chunwei Chen. All rights reserved.
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*/
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#ifndef _ZFS_KMAP_H
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#define _ZFS_KMAP_H
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#include <linux/highmem.h>
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#include <linux/uaccess.h>
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#ifdef HAVE_1ARG_KMAP_ATOMIC
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/* 2.6.37 API change */
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#define zfs_kmap_atomic(page, km_type) kmap_atomic(page)
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#define zfs_kunmap_atomic(addr, km_type) kunmap_atomic(addr)
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#else
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#define zfs_kmap_atomic(page, km_type) kmap_atomic(page, km_type)
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#define zfs_kunmap_atomic(addr, km_type) kunmap_atomic(addr, km_type)
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#endif
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/* 5.0 API change - no more 'type' argument for access_ok() */
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#ifdef HAVE_ACCESS_OK_TYPE
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#define zfs_access_ok(type, addr, size) access_ok(type, addr, size)
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#else
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#define zfs_access_ok(type, addr, size) access_ok(addr, size)
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#endif
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#endif /* _ZFS_KMAP_H */
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