Linux 3.6 compat, sget()

[zfs.git] / config / kernel-sget-args.m4

diff --git a/config/kernel-sget-args.m4 b/config/kernel-sget-args.m4
new file mode 100644 (file)
index 0000000..9d17459
--- /dev/null
+++ b/config/kernel-sget-args.m4
@@ -0,0 +1,23 @@
+dnl #
+dnl # 3.6 API change,
+dnl # 'sget' now takes the mount flags as an argument.
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_5ARG_SGET],
+       [AC_MSG_CHECKING([whether sget() wants 5 args])
+       ZFS_LINUX_TRY_COMPILE([
+               #include <linux/fs.h>
+       ],[
+               struct file_system_type *type = NULL;
+               int (*test)(struct super_block *,void *) = NULL;
+               int (*set)(struct super_block *,void *) = NULL;
+               int flags = 0;
+               void *data = NULL;
+               (void) sget(type, test, set, flags, data);
+       ],[
+               AC_MSG_RESULT(yes)
+               AC_DEFINE(HAVE_5ARG_SGET, 1, [sget() wants 5 args])
+       ],[
+               AC_MSG_RESULT(no)
+       ])
+])
+