mirror_zfs/include/os/linux/kernel/linux/kmap_compat.h
Jason Lee 41902c8e6d
Use kmap_local_page instead of kmap_atomic (#16329)
Changed zfs_k(un)map_atomic to zfs_k(un)map_local

Signed-off-by: Jason Lee <jasonlee@lanl.gov>
Reviewed-by: Alexander Motin <mav@FreeBSD.org>
Reviewed-by: Brian Atkinson <batkinson@lanl.gov>
2024-07-16 17:27:29 -07:00

50 lines
1.5 KiB
C

/*
* 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) 2015 by Chunwei Chen. All rights reserved.
*/
#ifndef _ZFS_KMAP_H
#define _ZFS_KMAP_H
#include <linux/highmem.h>
#include <linux/uaccess.h>
#ifdef HAVE_KMAP_LOCAL_PAGE
/* 5.11 API change */
#define zfs_kmap_local(page) kmap_local_page(page)
#define zfs_kunmap_local(addr) kunmap_local(addr)
#else
/* 2.6.37 API change */
#define zfs_kmap_local(page) kmap_atomic(page)
#define zfs_kunmap_local(addr) kunmap_atomic(addr)
#endif
/* 5.0 API change - no more 'type' argument for access_ok() */
#ifdef HAVE_ACCESS_OK_TYPE
#define zfs_access_ok(type, addr, size) access_ok(type, addr, size)
#else
#define zfs_access_ok(type, addr, size) access_ok(addr, size)
#endif
#endif /* _ZFS_KMAP_H */