LU-3079 kernel: f_vfsmnt replaced by f_path.mnt

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

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index ec50de0..0aa7236 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -1528,6 +1528,28 @@ LB_LINUX_TRY_COMPILE([
 ])
 
 #
+# 3.9 killed f_vfsmnt by
+# 182be684784334598eee1d90274e7f7aa0063616
+# replacement is f_path.mnt
+#
+AC_DEFUN([LC_HAVE_F_PATH_MNT],
+[AC_MSG_CHECKING([if struct file has f_path.mnt])
+LB_LINUX_TRY_COMPILE([
+       #include <linux/fs.h>
+],[
+       struct file *fp = NULL;
+       struct path  path;
+
+       path.mnt = fp->f_path.mnt;
+],[
+       AC_DEFINE(HAVE_F_PATH_MNT,1,[yes])
+       AC_MSG_RESULT([yes])
+],[
+       AC_MSG_RESULT([no])
+])
+])
+
+#
 # LC_PROG_LINUX
 #
 # Lustre linux kernel checks
@@ -1657,6 +1679,7 @@ AC_DEFUN([LC_PROG_LINUX],
 
         # 3.9
         LC_HAVE_HLIST_FOR_EACH_3ARG
+        LC_HAVE_F_PATH_MNT
 
         #
         if test x$enable_server = xyes ; then