/*
   * QNX6 file system, Linux implementation.
   *
   * Version : 1.0.0
   *
   * History :
   *
   * 01-02-2012 by Kai Bankett (chaosman@ontika.net) : first release.
   * 16-02-2012 pagemap extension by Al Viro
   *
   */
  
  #include "qnx6.h"
  
  struct dentry *qnx6_lookup(struct inode *dir, struct dentry *dentry,
  				unsigned int flags)
  {
  	unsigned ino;
  	struct page *page;
  	struct inode *foundinode = NULL;
  	const char *name = dentry->d_name.name;
  	int len = dentry->d_name.len;
  
  	if (len > QNX6_LONG_NAME_MAX)
  		return ERR_PTR(-ENAMETOOLONG);
  
  	ino = qnx6_find_entry(len, dir, name, &page);
  	if (ino) {
  		foundinode = qnx6_iget(dir->i_sb, ino);
  		qnx6_put_page(page);
  		if (IS_ERR(foundinode)) {
  			QNX6DEBUG((KERN_ERR "qnx6: lookup->iget -> "
  				" error %ld
  ", PTR_ERR(foundinode)));
  			return ERR_CAST(foundinode);
  		}
  	} else {
  		QNX6DEBUG((KERN_INFO "qnx6_lookup: not found %s
  ", name));
  		return NULL;
  	}
  	d_add(dentry, foundinode);
  	return NULL;
  }