SLES10 still has start/end in struct writeback_control rather than
 range_start/range_end. This patch adds a workaround.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
---
 Config.make.in                          |    1 +
 Makefile                                |    1 +
 configure.in                            |    6 ++++++
 fs/ocfs2/Makefile                       |    4 ++++
 kapi-compat/include/writeback_control.h |    9 +++++++++
 5 files changed, 21 insertions(+)

--- a/Config.make.in	2008-02-02 10:36:14.000000000 -0500
+++ b/Config.make.in	2008-02-02 10:36:24.000000000 -0500
@@ -81,6 +81,7 @@ B_SIZE_IS_U32 = @B_SIZE_IS_U32@
 NO_EXPORTFS_HEADER = @NO_EXPORTFS_HEADER@
 NO_LOCKDEP = @NO_LOCKDEP@
 NO_MANDATORY_LOCK = @NO_MANDATORY_LOCK@
+WRITEBACK_CONTROL_NO_RANGE_PREFIX = @WRITEBACK_CONTROL_NO_RANGE_PREFIX@
 
 OCFS_DEBUG = @OCFS_DEBUG@
 
--- a/Makefile	2008-02-02 10:36:14.000000000 -0500
+++ b/Makefile	2008-02-02 10:36:24.000000000 -0500
@@ -28,6 +28,7 @@ KAPI_COMPAT_FILES = \
 	kapi-compat/include/relatime.h \
 	kapi-compat/include/should_remove_suid.h \
 	kapi-compat/include/generic_segment_checks.h \
+	kapi-compat/include/writeback_control.h \
 	kapi-compat/include/aiovec.h
 
 PATCH_FILES =
--- a/configure.in	2008-02-02 10:36:14.000000000 -0500
+++ b/configure.in	2008-02-02 10:36:24.000000000 -0500
@@ -343,6 +343,12 @@ OCFS2_CHECK_KERNEL([mandatory_lock() in 
 AC_SUBST(NO_MANDATORY_LOCK)
 KAPI_COMPAT_HEADERS="$KAPI_COMPAT_HEADERS mandatory_lock.h"
 
+WRITEBACK_CONTROL_NO_RANGE_PREFIX=
+OCFS2_CHECK_KERNEL([range prefix in struct writeback_control], writeback.h,
+  , WRITEBACK_CONTROL_NO_RANGE_PREFIX=yes, [	loff_t range_start;$])
+AC_SUBST(WRITEBACK_CONTROL_NO_RANGE_PREFIX)
+KAPI_COMPAT_HEADERS="$KAPI_COMPAT_HEADERS writeback_control.h"
+
 # using -include has two advantages:
 #  the source doesn't need to know to include compat headers
 #  the compat header file names don't go through the search path
--- a/fs/ocfs2/Makefile	2008-02-02 10:36:14.000000000 -0500
+++ b/fs/ocfs2/Makefile	2008-02-02 10:36:24.000000000 -0500
@@ -116,6 +116,10 @@ ifdef NO_MANDATORY_LOCK
 EXTRA_CFLAGS += -DNO_MANDATORY_LOCK
 endif
 
+ifdef WRITEBACK_CONTROL_NO_RANGE_PREFIX
+EXTRA_CFLAGS += -DWRITEBACK_CONTROL_NO_RANGE_PREFIX
+endif
+
 #
 # Since SUBDIRS means something to kbuild, define them safely.  Do not
 # include trailing slashes.
--- /dev/null	1970-01-01 00:00:00.000000000 +0000
+++ b/kapi-compat/include/writeback_control.h	2008-02-02 10:36:24.000000000 -0500
@@ -0,0 +1,9 @@
+#ifndef KAPI_WRITEBACK_CONTROL_NO_RANGE_PREFIX
+#define KAPI_WRITEBACK_CONTROL_NO_RANGE_PREFIX
+
+#ifdef WRITEBACK_CONTROL_NO_RANGE_PREFIX
+#define range_start start
+#define range_end end
+#endif
+
+#endif