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-rw-r--r--autoconf/spl-build.m419
1 files changed, 19 insertions, 0 deletions
diff --git a/autoconf/spl-build.m4 b/autoconf/spl-build.m4
index 585e3482e..0ac7ae8a6 100644
--- a/autoconf/spl-build.m4
+++ b/autoconf/spl-build.m4
@@ -329,6 +329,25 @@ AC_DEFUN([SPL_AC_TYPE_UINTPTR_T],
])
dnl #
+dnl # 2.6.x API change,
+dnl # check if atomic64_t typedef is defined
+dnl #
+AC_DEFUN([SPL_AC_TYPE_ATOMIC64_T],
+ [AC_MSG_CHECKING([whether kernel defines atomic64_t])
+ SPL_LINUX_TRY_COMPILE([
+ #include <asm/atomic.h>
+ ],[
+ atomic64_t *ptr;
+ ],[
+ AC_MSG_RESULT([yes])
+ AC_DEFINE(HAVE_ATOMIC64_T, 1,
+ [kernel defines atomic64_t])
+ ],[
+ AC_MSG_RESULT([no])
+ ])
+])
+
+dnl #
dnl # 2.6.20 API change,
dnl # INIT_WORK use 2 args and not store data inside
dnl #