Linux 2.6.32 compat, proc_handler() API change

[mirror_spl.git] / config / spl-build.m4

diff --git a/config/spl-build.m4 b/config/spl-build.m4
index 9fa7bc8118dd1f16b55ee1ed7ba9eb00b12f882a..e2e2112e73fbb19c6c4f7441c4012c04d2049435 100644 (file)
--- a/config/spl-build.m4
+++ b/config/spl-build.m4
@@ -72,6 +72,7 @@ AC_DEFUN([SPL_AC_CONFIG_KERNEL], [
        SPL_AC_CRED_STRUCT
        SPL_AC_GROUPS_SEARCH
        SPL_AC_PUT_TASK_STRUCT
+       SPL_AC_5ARGS_PROC_HANDLER
 ])
 
 AC_DEFUN([SPL_AC_MODULE_SYMVERS], [
@@ -1371,3 +1372,22 @@ AC_DEFUN([SPL_AC_PUT_TASK_STRUCT], [
                [__put_task_struct() is available])],
                [])
 ])
+
+dnl #
+dnl # 2.6.32 API change,
+dnl # Unused 'struct file *' removed from prototype.
+dnl #
+AC_DEFUN([SPL_AC_5ARGS_PROC_HANDLER], [
+       AC_MSG_CHECKING([whether proc_handler() wants 5 args])
+       SPL_LINUX_TRY_COMPILE([
+               #include <linux/sysctl.h>
+       ],[
+               proc_dostring(NULL, 0, NULL, NULL, NULL);
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_5ARGS_PROC_HANDLER, 1,
+                         [proc_handler() wants 5 args])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+])