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-rw-r--r--config/kernel-kuidgid.m421
1 files changed, 21 insertions, 0 deletions
diff --git a/config/kernel-kuidgid.m4 b/config/kernel-kuidgid.m4
new file mode 100644
index 000000000000..b7e441408cb9
--- /dev/null
+++ b/config/kernel-kuidgid.m4
@@ -0,0 +1,21 @@
+dnl #
+dnl # 3.8 API change,
+dnl # User namespaces, use kuid_t in place of uid_t where available.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_SRC_KUIDGID_T], [
+ ZFS_LINUX_TEST_SRC([kuidgid_t], [
+ #include <linux/uidgid.h>
+ ], [
+ kuid_t userid __attribute__ ((unused)) = KUIDT_INIT(0);
+ kgid_t groupid __attribute__ ((unused)) = KGIDT_INIT(0);
+ ])
+])
+
+AC_DEFUN([ZFS_AC_KERNEL_KUIDGID_T], [
+ AC_MSG_CHECKING([whether kuid_t/kgid_t is available])
+ ZFS_LINUX_TEST_RESULT([kuidgid_t], [
+ AC_MSG_RESULT(yes)
+ ],[
+ ZFS_LINUX_TEST_ERROR([kuid_t/kgid_t])
+ ])
+])