LU-3974 llite: use new struct dir_context

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

diff --git a/lustre/autoconf/lustre-core.m4 b/lustre/autoconf/lustre-core.m4
index 1d964cb..a3037e3 100644 (file)
--- a/lustre/autoconf/lustre-core.m4
+++ b/lustre/autoconf/lustre-core.m4
@@ -1308,6 +1308,25 @@ LB_LINUX_TRY_COMPILE([
 ])
 
 #
+# 3.11 readdir now takes the new struct dir_context
+#
+AC_DEFUN([LC_HAVE_DIR_CONTEXT],
+[AC_MSG_CHECKING([if dir_context exist])
+LB_LINUX_TRY_COMPILE([
+       #include <linux/fs.h>
+],[
+       struct dir_context ctx;
+
+       ctx.pos = 0;
+],[
+       AC_DEFINE(HAVE_DIR_CONTEXT, 1, [dir_context exist])
+       AC_MSG_RESULT([yes])
+],[
+       AC_MSG_RESULT([no])
+])
+])
+
+#
 # 3.11 dentry_operations.d_compare() taken 5 arguments.
 #
 AC_DEFUN([LC_D_COMPARE_5ARGS],
@@ -1480,6 +1499,7 @@ AC_DEFUN([LC_PROG_LINUX],
         LC_BLKDEV_RELEASE_RETURN_INT
 
         # 3.11
+        LC_HAVE_DIR_CONTEXT
         LC_D_COMPARE_5ARGS
         LC_HAVE_DCOUNT