+dnl #
+dnl # 3.11 API change
+dnl # lseek_execute helper exported
+dnl #
+AC_DEFUN([ZFS_AC_KERNEL_LSEEK_EXECUTE],
+ [AC_MSG_CHECKING([whether lseek_execute() is available])
+ ZFS_LINUX_TRY_COMPILE_SYMBOL([
+ #include <linux/fs.h>
+ ], [
+ struct file *fp __attribute__ ((unused)) = NULL;
+ struct inode *ip __attribute__ ((unused)) = NULL;
+ loff_t offset __attribute__ ((unused)) = 0;
+ loff_t maxsize __attribute__ ((unused)) = 0;
+
+ lseek_execute(fp, ip, offset, maxsize);
+ ], [lseek_exclusive], [fs/read_write.c], [
+ AC_MSG_RESULT(yes)
+ AC_DEFINE(HAVE_LSEEK_EXECUTE, 1,
+ [lseek_execute() is available])
+ ], [
+ AC_MSG_RESULT(no)
+ ])
+])