Linux: 2.6.38: dentry->d_count is not an atomic

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

diff --git a/src/cf/linux-test4.m4 b/src/cf/linux-test4.m4
index 6f0fd11..670bd5d 100644 (file)
--- a/src/cf/linux-test4.m4
+++ b/src/cf/linux-test4.m4
@@ -582,3 +582,15 @@ AC_DEFUN([LINUX_HAVE_DCACHE_LOCK], [
                        [])
 ])
 
+
+AC_DEFUN([LINUX_D_COUNT_IS_INT], [
+  AC_CHECK_LINUX_BUILD([if dentry->d_count is an int],
+                       [ac_cv_linux_d_count_int],
+                       [#include <linux/dcache.h> ],
+                       [struct dentry _d;
+                       dget(&_d);
+                       _d.d_count = 1;],
+                       [D_COUNT_INT],
+                       [define if dentry->d_count is an int],
+                       [-Werror])
+])