return dentry_open(nd.dentry, nd.mnt, flags); 
return __dentry_open(nd.dentry, nd.mnt, flags, f); 
struct file *filp_open(const char * filename, int flags, int mode){	int namei_flags, error;	struct nameidata nd;	namei_flags = flags;	if ((namei_flags+1) & O_ACCMODE)		namei_flags++;	if (namei_flags & O_TRUNC)		namei_flags |= 2;	error = open_namei(filename, namei_flags, mode, &nd);	if (!error)		return dentry_open(nd.dentry, nd.mnt, flags);	return ERR_PTR(error);}
4520	/local/tlutelli/issta_data/temp/c/2005_temp/2005/4520/a1a5b3d93ca45613ec1d920fdb131b69b6553882/open.c/clean/fs/open.c