config/kernel-encode-fh-inode.m4

   1 dnl #
   2 dnl # 3.5.0 API change
   3 dnl # torvalds/linux@b0b0382bb4904965a9e9fca77ad87514dfda0d1c changed the
   4 dnl # ->encode_fh() callback to pass the child inode and its parents inode
   5 dnl # rather than a dentry and a boolean saying whether we want the parent.
   6 dnl #
   7 AC_DEFUN([ZFS_AC_KERNEL_ENCODE_FH_WITH_INODE], [
   8         AC_MSG_CHECKING([whether eops->encode_fh() wants inode])
   9         ZFS_LINUX_TRY_COMPILE([
  10                 #include <linux/exportfs.h>
  11                 int encode_fh(struct inode *inode, __u32 *fh, int *max_len,
  12                               struct inode *parent) { return 0; }
  13                 static struct export_operations eops __attribute__ ((unused))={
  14                         .encode_fh = encode_fh,
  15                 };
  16         ],[
  17         ],[
  18                 AC_MSG_RESULT(yes)
  19                 AC_DEFINE(HAVE_ENCODE_FH_WITH_INODE, 1,
  20                           [eops->encode_fh() wants child and parent inodes])
  21         ],[
  22                 AC_MSG_RESULT(no)
  23         ])
  24 ])