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                 #include <linux/sched.h>
   9
  10                 struct dentry *inode_lookup(struct inode *inode,
  11                     struct dentry *dentry, struct nameidata *nidata)
  12                     { return NULL; }
  13
  14                 static const struct inode_operations iops
  15                     __attribute__ ((unused)) = {
  16                         .lookup = inode_lookup,
  17                 };
  18         ],[
  19         ],[
  20                 AC_MSG_RESULT(yes)
  21                 AC_DEFINE(HAVE_LOOKUP_NAMEIDATA, 1,
  22                           [iops->lookup() passes nameidata])
  23         ],[
  24                 AC_MSG_RESULT(no)
  25         ])
  26 ])