Linux: d_delete now takes a const argument

[openafs.git] / src / cf / linux-test4.m4

diff --git a/src/cf/linux-test4.m4 b/src/cf/linux-test4.m4
index 8d401be..b7c9070 100644 (file)
--- a/src/cf/linux-test4.m4
+++ b/src/cf/linux-test4.m4
@@ -610,3 +610,17 @@ AC_DEFUN([LINUX_D_COUNT_IS_INT], [
                        [define if dentry->d_count is an int],
                        [-Werror])
 ])
+
+
+AC_DEFUN([LINUX_DOP_D_DELETE_TAKES_CONST], [
+  AC_CHECK_LINUX_BUILD([whether dentry.d_op->d_delete takes a const argument],
+                       [ac_cv_linux_dop_d_delete_takes_const],
+                       [#include <linux/fs.h>
+                       #include <linux/dcache.h>],
+                       [struct dentry_operations _d_ops;
+                       int _d_del(const struct dentry *de) {return 0;};
+                       _d_ops.d_delete = _d_del;],
+                       [DOP_D_DELETE_TAKES_CONST],
+                       [define if dentry.d_op->d_delete takes a const argument],
+                       [-Werror])
+])