LU-812 replace get_sb with mount in struct file_system_type

[fs/lustre-release.git] / lustre / autoconf / lustre-core.m4

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 101f741..2191032 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -2246,6 +2246,25 @@ LB_LINUX_TRY_COMPILE([
 ])
 ])
 
+#
+# 2.6.39 replace get_sb with mount in struct file_system_type
+#
+AC_DEFUN([LC_HAVE_FSTYPE_MOUNT],
+[AC_MSG_CHECKING([if file_system_type has mount field])
+LB_LINUX_TRY_COMPILE([
+       #include <linux/fs.h>
+],[
+       struct file_system_type fst;
+       void *i = (void *) fst.mount;
+],[
+       AC_DEFINE(HAVE_FSTYPE_MOUNT, 1,
+               [struct file_system_type has mount field])
+       AC_MSG_RESULT([yes])
+],[
+       AC_MSG_RESULT([no])
+])
+])
+
 
 #
 # LC_PROG_LINUX
@@ -2408,6 +2427,9 @@ AC_DEFUN([LC_PROG_LINUX],
          LC_WALK_SPACE_HAS_DATA_SEM
          LC_SELINUX_IS_ENABLED
 
+        # 2.6.39
+        LC_HAVE_FSTYPE_MOUNT
+
          #
          if test x$enable_server = xyes ; then
              AC_DEFINE(HAVE_SERVER_SUPPORT, 1, [support server])