* Modified socknal to...

[fs/lustre-release.git] / lustre / portals / archdep.m4

diff --git a/lustre/portals/archdep.m4 b/lustre/portals/archdep.m4
index b67e012..4c9e5ae 100644 (file)
--- a/lustre/portals/archdep.m4
+++ b/lustre/portals/archdep.m4
@@ -369,3 +369,23 @@ if test $RH_2_4_20 = 1; then
 else
        AC_MSG_RESULT($LINUXRELEASE)
 fi 
+
+# ---------- Red Hat 2.4.21 backports some more 2.5 bits --------
+
+AC_MSG_CHECKING(if kernel defines PDE)
+HAVE_PDE="`grep -c 'proc_dir_entry..PDE' $LINUX/include/linux/proc_fs.h`"
+if test "$HAVE_PDE" != 0 ; then
+  CPPFLAGS="$CPPFLAGS -DHAVE_PDE"
+  AC_MSG_RESULT(yes)
+else
+  AC_MSG_RESULT(no)
+fi
+
+AC_MSG_CHECKING(if kernel passes struct file to direct_IO)
+HAVE_DIO_FILE="`grep -c 'direct_IO.*struct file' $LINUX/include/linux/fs.h`"
+if test "$HAVE_DIO_FILE" != 0 ; then
+  CPPFLAGS="$CPPFLAGS -DHAVE_DIO_FILE"
+  AC_MSG_RESULT(yes)
+else
+  AC_MSG_RESULT(no)
+fi