From 8299a1f41eb4761cd25ea821830295a6f32be581 Mon Sep 17 00:00:00 2001 From: Brian Behlendorf Date: Tue, 18 Jan 2011 11:42:25 -0800 Subject: [PATCH] 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. --- configure | 3 +- configure.ac | 1 + include/Makefile.am | 2 +- include/Makefile.in | 2 +- include/linux/Makefile.am | 18 ++ include/linux/Makefile.in | 568 ++++++++++++++++++++++++++++++++++ include/linux/dcache_compat.h | 33 ++ include/sys/zfs_context.h | 1 + 8 files changed, 625 insertions(+), 3 deletions(-) create mode 100644 include/linux/Makefile.am create mode 100644 include/linux/Makefile.in create mode 100644 include/linux/dcache_compat.h diff --git a/configure b/configure index d962704724..e76d64ddfd 100755 --- a/configure +++ b/configure @@ -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" ;; diff --git a/configure.ac b/configure.ac index 593271061d..efebf71e93 100644 --- a/configure.ac +++ b/configure.ac @@ -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 diff --git a/include/Makefile.am b/include/Makefile.am index 0926c6a69a..1d7493bb5c 100644 --- a/include/Makefile.am +++ b/include/Makefile.am @@ -1,4 +1,4 @@ -SUBDIRS = sys +SUBDIRS = linux sys COMMON_H = \ $(top_srcdir)/include/zfs_comutil.h \ diff --git a/include/Makefile.in b/include/Makefile.in index 851bd8a12d..f87cd7929c 100644 --- a/include/Makefile.in +++ b/include/Makefile.in @@ -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 \ diff --git a/include/linux/Makefile.am b/include/linux/Makefile.am new file mode 100644 index 0000000000..4ccd7b1245 --- /dev/null +++ b/include/linux/Makefile.am @@ -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 diff --git a/include/linux/Makefile.in b/include/linux/Makefile.in new file mode 100644 index 0000000000..51d0a6d5bd --- /dev/null +++ b/include/linux/Makefile.in @@ -0,0 +1,568 @@ +# Makefile.in generated by automake 1.11.1 from Makefile.am. +# @configure_input@ + +# Copyright (C) 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, +# 2003, 2004, 2005, 2006, 2007, 2008, 2009 Free Software Foundation, +# Inc. +# This Makefile.in is free software; the Free Software Foundation +# gives unlimited permission to copy and/or distribute it, +# with or without modifications, 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\ + clean-libtool ctags distclean distclean-generic \ + distclean-libtool distclean-tags distdir dvi dvi-am html \ + html-am info info-am install install-am install-data \ + install-data-am install-dvi install-dvi-am install-exec \ + install-exec-am install-html install-html-am install-info \ + install-info-am install-kernelHEADERS install-libzfsHEADERS \ + install-man install-pdf install-pdf-am install-ps \ + install-ps-am install-strip installcheck installcheck-am \ + installdirs maintainer-clean maintainer-clean-generic \ + mostlyclean mostlyclean-generic mostlyclean-libtool pdf pdf-am \ + ps ps-am tags uninstall uninstall-am uninstall-kernelHEADERS \ + uninstall-libzfsHEADERS + + +# 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: diff --git a/include/linux/dcache_compat.h b/include/linux/dcache_compat.h new file mode 100644 index 0000000000..a624d4dd99 --- /dev/null +++ b/include/linux/dcache_compat.h @@ -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 + +#define dname(dentry) ((char *)((dentry)->d_name.name)) + +#endif /* _ZFS_DCACHE_H */ diff --git a/include/sys/zfs_context.h b/include/sys/zfs_context.h index 0ebacbc64b..a0165bb2f0 100644 --- a/include/sys/zfs_context.h +++ b/include/sys/zfs_context.h @@ -57,6 +57,7 @@ #include #include #include +#include #else /* _KERNEL */