LU-50 ldiskfs: pdirops patch for ldiskfs

[fs/lustre-release.git] / build / autoconf / lustre-build-ldiskfs.m4

diff --git a/build/autoconf/lustre-build-ldiskfs.m4 b/build/autoconf/lustre-build-ldiskfs.m4
index ccb85c9..6092418 100644 (file)
--- a/build/autoconf/lustre-build-ldiskfs.m4
+++ b/build/autoconf/lustre-build-ldiskfs.m4
@@ -236,8 +236,16 @@ AC_DEFUN([LB_LDISKFS_DEFINE_OPTIONS],
 [
 AC_DEFINE(HAVE_LDISKFS_OSD, 1, Enable ldiskfs osd)
 
+with_ldiskfs_pdo=no
 if test $LDISKFS_BACKFS = 'ext4'; then
        AC_DEFINE(HAVE_EXT4_LDISKFS, 1, [build ext4 based ldiskfs])
+       case $LINUXRELEASE in
+       2.6.32*)
+               if test x$RHEL_KERNEL = xyes; then
+                       with_ldiskfs_pdo=yes
+                       AC_DEFINE(HAVE_LDISKFS_PDO, 1, [have ldiskfs PDO patch])
+               fi
+       esac
 fi
 
 LB_LDISKFS_JBD2_JOURNAL_CALLBACK_SET