SLES10 doesn't define the SYNC_FILE_* flags. This patch adds a check.

Signed-off-by: Jeff Mahoney <jeffm@suse.com>
---
 Config.make.in                           |    1 +
 configure.in                             |    6 ++++++
 fs/ocfs2/Makefile                        |    4 ++++
 kapi-compat/include/sync_mapping_range.h |    6 ++++++
 4 files changed, 17 insertions(+)

--- a/Config.make.in	2008-02-02 10:36:24.000000000 -0500
+++ b/Config.make.in	2008-02-02 10:36:25.000000000 -0500
@@ -82,6 +82,7 @@ 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@
+NO_SYNC_FILE_FLAGS = @NO_SYNC_FILE_FLAGS@
 
 OCFS_DEBUG = @OCFS_DEBUG@
 
--- a/configure.in	2008-02-02 10:36:24.000000000 -0500
+++ b/configure.in	2008-02-02 10:36:25.000000000 -0500
@@ -349,6 +349,12 @@ OCFS2_CHECK_KERNEL([range prefix in stru
 AC_SUBST(WRITEBACK_CONTROL_NO_RANGE_PREFIX)
 KAPI_COMPAT_HEADERS="$KAPI_COMPAT_HEADERS writeback_control.h"
 
+NO_SYNC_FILE_FLAGS=
+OCFS2_CHECK_KERNEL([SYNC_FILE_RANGE flags], fs.h,
+, NO_SYNC_FILE_FLAGS=yes, [^#define SYNC_FILE_RANGE_WRITE])
+KAPI_COMPAT_HEADERS="$KAPI_COMPAT_HEADERS sync_mapping_range.h"
+AC_SUBST(NO_SYNC_FILE_FLAGS)
+
 # 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 10:36:24.000000000 -0500
+++ b/fs/ocfs2/Makefile	2008-02-02 10:36:25.000000000 -0500
@@ -120,6 +120,10 @@ ifdef WRITEBACK_CONTROL_NO_RANGE_PREFIX
 EXTRA_CFLAGS += -DWRITEBACK_CONTROL_NO_RANGE_PREFIX
 endif
 
+ifdef NO_SYNC_FILE_FLAGS
+EXTRA_CFLAGS += -DNO_SYNC_FILE_FLAGS
+endif
+
 #
 # Since SUBDIRS means something to kbuild, define them safely.  Do not
 # include trailing slashes.
--- a/kapi-compat/include/sync_mapping_range.h	2008-02-02 10:23:14.000000000 -0500
+++ b/kapi-compat/include/sync_mapping_range.h	2008-02-02 10:36:25.000000000 -0500
@@ -15,4 +15,10 @@ int do_sync_mapping_range(struct address
 			  loff_t endbyte, unsigned int flags);
 #endif
 
+#ifdef NO_SYNC_FILE_FLAGS
+#define SYNC_FILE_RANGE_WAIT_BEFORE     1
+#define SYNC_FILE_RANGE_WRITE           2
+#define SYNC_FILE_RANGE_WAIT_AFTER      4
+#endif
+
 #endif