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Add Linux Compat Infrastructure 

Lay the initial ground work for a include/linux/ compatibility
directory.  This was less critical in the past because the bulk
of the ZFS code consumes the Solaris API via the SPL.  This API
was stable and the bulk Linux API differences were handled in
the SPL.

However, with the addition of a full Posix layer written directly
against the Linux APIs we are going to need more compatibility
code.  It makes sense that all this code should be cleanly located
in one place.  Subsequent patches should move the existing zvol
and vdev_disk compatibility code in to this directory.
This commit is contained in:
Brian Behlendorf 2011-01-18 11:42:25 -08:00
parent ab892c5f0a
commit 8299a1f41e
8 changed files with 625 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
configure vendored
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@ -18945,7 +18945,7 @@ fi
$as_echo "$enable_debug" >&6; }
ac_config_files="$ac_config_files Makefile etc/Makefile man/Makefile man/man8/Makefile lib/Makefile lib/libspl/Makefile lib/libspl/asm-generic/Makefile lib/libspl/asm-i386/Makefile lib/libspl/asm-x86_64/Makefile lib/libspl/include/Makefile lib/libspl/include/ia32/Makefile lib/libspl/include/ia32/sys/Makefile lib/libspl/include/rpc/Makefile lib/libspl/include/sys/Makefile lib/libspl/include/sys/sysevent/Makefile lib/libspl/include/sys/dktp/Makefile lib/libspl/include/util/Makefile lib/libavl/Makefile lib/libefi/Makefile lib/libnvpair/Makefile lib/libunicode/Makefile lib/libuutil/Makefile lib/libzpool/Makefile lib/libzfs/Makefile cmd/Makefile cmd/zdb/Makefile cmd/zfs/Makefile cmd/zinject/Makefile cmd/zpool/Makefile cmd/zpool_id/Makefile cmd/zpool_layout/Makefile cmd/ztest/Makefile cmd/zpios/Makefile module/Makefile module/avl/Makefile module/nvpair/Makefile module/unicode/Makefile module/zcommon/Makefile module/zfs/Makefile module/zpios/Makefile include/Makefile include/sys/Makefile include/sys/fs/Makefile include/sys/fm/Makefile include/sys/fm/fs/Makefile scripts/Makefile scripts/zpios-profile/Makefile scripts/zpios-test/Makefile scripts/zpool-config/Makefile scripts/zpool-layout/Makefile scripts/common.sh zfs.spec zfs-modules.spec zfs-script-config.sh"
ac_config_files="$ac_config_files Makefile etc/Makefile man/Makefile man/man8/Makefile lib/Makefile lib/libspl/Makefile lib/libspl/asm-generic/Makefile lib/libspl/asm-i386/Makefile lib/libspl/asm-x86_64/Makefile lib/libspl/include/Makefile lib/libspl/include/ia32/Makefile lib/libspl/include/ia32/sys/Makefile lib/libspl/include/rpc/Makefile lib/libspl/include/sys/Makefile lib/libspl/include/sys/sysevent/Makefile lib/libspl/include/sys/dktp/Makefile lib/libspl/include/util/Makefile lib/libavl/Makefile lib/libefi/Makefile lib/libnvpair/Makefile lib/libunicode/Makefile lib/libuutil/Makefile lib/libzpool/Makefile lib/libzfs/Makefile cmd/Makefile cmd/zdb/Makefile cmd/zfs/Makefile cmd/zinject/Makefile cmd/zpool/Makefile cmd/zpool_id/Makefile cmd/zpool_layout/Makefile cmd/ztest/Makefile cmd/zpios/Makefile module/Makefile module/avl/Makefile module/nvpair/Makefile module/unicode/Makefile module/zcommon/Makefile module/zfs/Makefile module/zpios/Makefile include/Makefile include/linux/Makefile include/sys/Makefile include/sys/fs/Makefile include/sys/fm/Makefile include/sys/fm/fs/Makefile scripts/Makefile scripts/zpios-profile/Makefile scripts/zpios-test/Makefile scripts/zpool-config/Makefile scripts/zpool-layout/Makefile scripts/common.sh zfs.spec zfs-modules.spec zfs-script-config.sh"
cat >confcache <<\_ACEOF
@ -19902,6 +19902,7 @@ do
"module/zfs/Makefile") CONFIG_FILES="$CONFIG_FILES module/zfs/Makefile" ;;
"module/zpios/Makefile") CONFIG_FILES="$CONFIG_FILES module/zpios/Makefile" ;;
"include/Makefile") CONFIG_FILES="$CONFIG_FILES include/Makefile" ;;
"include/linux/Makefile") CONFIG_FILES="$CONFIG_FILES include/linux/Makefile" ;;
"include/sys/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/Makefile" ;;
"include/sys/fs/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/fs/Makefile" ;;
"include/sys/fm/Makefile") CONFIG_FILES="$CONFIG_FILES include/sys/fm/Makefile" ;;

1
configure.ac
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@ -95,6 +95,7 @@ AC_CONFIG_FILES([
module/zfs/Makefile
module/zpios/Makefile
include/Makefile
include/linux/Makefile
include/sys/Makefile
include/sys/fs/Makefile
include/sys/fm/Makefile

2
include/Makefile.am
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@ -1,4 +1,4 @@
SUBDIRS = sys
SUBDIRS = linux sys
COMMON_H = \
$(top_srcdir)/include/zfs_comutil.h \

2
include/Makefile.in
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@ -332,7 +332,7 @@ target_vendor = @target_vendor@
top_build_prefix = @top_build_prefix@
top_builddir = @top_builddir@
top_srcdir = @top_srcdir@
SUBDIRS = sys
SUBDIRS = linux sys
COMMON_H = \
$(top_srcdir)/include/zfs_comutil.h \
$(top_srcdir)/include/zfs_deleg.h \

18
include/linux/Makefile.am Normal file
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@ -0,0 +1,18 @@
COMMON_H =
KERNEL_H = \
$(top_srcdir)/include/linux/dcache_compat.h
USER_H =
EXTRA_DIST = $(COMMON_H) $(KERNEL_H) $(USER_H)
if CONFIG_USER
libzfsdir = $(includedir)/libzfs/linux
libzfs_HEADERS = $(COMMON_H) $(USER_H)
endif
if CONFIG_KERNEL
kerneldir = /usr/src/zfs-$(ZFS_META_VERSION)/$(LINUX_VERSION)/linux
kernel_HEADERS = $(COMMON_H) $(KERNEL_H)
endif

568
include/linux/Makefile.in Normal file
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@ -0,0 +1,568 @@
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# Tell versions [3.59,3.63) of GNU make to not export all variables.
# Otherwise a system limit (for SysV at least) may be exceeded.
.NOEXPORT:

33
include/linux/dcache_compat.h Normal file
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@ -0,0 +1,33 @@
/*
* 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 http://www.opensolaris.org/os/licensing.
* 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) 2011 Lawrence Livermore National Security, LLC.
*/
#ifndef _ZFS_DCACHE_H
#define _ZFS_DCACHE_H
#include <linux/dcache.h>
#define dname(dentry) ((char *)((dentry)->d_name.name))
#endif /* _ZFS_DCACHE_H */

1
include/sys/zfs_context.h
View File

@ -57,6 +57,7 @@
#include <sys/zfs_debug.h>
#include <sys/fm/fs/zfs.h>
#include <sys/sunddi.h>
#include <linux/dcache_compat.h>
#else /* _KERNEL */