zfs/config/kernel-lookup-nameidata.m4

   1 dnl #
   2 dnl # 3.6 API change
   3 dnl #
   4 AC_DEFUN([ZFS_AC_KERNEL_LOOKUP_NAMEIDATA], [
   5         AC_MSG_CHECKING([whether iops->lookup() passes nameidata])
   6         ZFS_LINUX_TRY_COMPILE([
   7                 #include <linux/fs.h>
   8
   9                 struct dentry *inode_lookup(struct inode *inode,
  10                     struct dentry *dentry, struct nameidata *nidata)
  11                     { return NULL; }
  12
  13                 static const struct inode_operations iops
  14                     __attribute__ ((unused)) = {
  15                         .lookup = inode_lookup,
  16                 };
  17         ],[
  18         ],[
  19                 AC_MSG_RESULT(yes)
  20                 AC_DEFINE(HAVE_LOOKUP_NAMEIDATA, 1,
  21                           [iops->lookup() passes nameidata])
  22         ],[
  23                 AC_MSG_RESULT(no)
  24         ])
  25 ])