config/kernel-lseek-execute.m4

   1 dnl #
   2 dnl # 3.11 API change
   3 dnl # lseek_execute helper exported
   4 dnl #
   5 AC_DEFUN([ZFS_AC_KERNEL_SRC_LSEEK_EXECUTE], [
   6         ZFS_LINUX_TEST_SRC([lseek_execute], [
   7                 #include <linux/fs.h>
   8         ], [
   9                 struct file *fp __attribute__ ((unused)) = NULL;
  10                 struct inode *ip __attribute__ ((unused)) = NULL;
  11                 loff_t offset __attribute__ ((unused)) = 0;
  12                 loff_t maxsize __attribute__ ((unused)) = 0;
  13
  14                 lseek_execute(fp, ip, offset, maxsize);
  15         ])
  16 ])
  17
  18 AC_DEFUN([ZFS_AC_KERNEL_LSEEK_EXECUTE], [
  19         AC_MSG_CHECKING([whether lseek_execute() is available])
  20         ZFS_LINUX_TEST_RESULT_SYMBOL([lseek_execute],
  21             [lseek_exclusive], [fs/read_write.c], [
  22                 AC_MSG_RESULT(yes)
  23                 AC_DEFINE(HAVE_LSEEK_EXECUTE, 1, [lseek_execute() is available])
  24         ], [
  25                 AC_MSG_RESULT(no)
  26         ])
  27 ])