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17888ae30d
Starting from linux-2.6.37, {kmap,kunmap}_atomic takes 1 argument instead of 2.
We use zfs_{kmap,kunmap}_atomic as wrappers and always take 2 argument, but
ignore the 2nd for newer kernel.
Signed-off-by: Chunwei Chen <tuxoko@gmail.com>
Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
41 lines
1.3 KiB
C
41 lines
1.3 KiB
C
/*
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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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#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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#endif /* _ZFS_KMAP_H */
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