From owner-cvs-src@FreeBSD.ORG Thu Jan 15 14:54:20 2004 Return-Path: Delivered-To: cvs-src@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id B96F816A4CE; Thu, 15 Jan 2004 14:54:20 -0800 (PST) Received: from mail.chesapeake.net (chesapeake.net [208.142.252.6]) by mx1.FreeBSD.org (Postfix) with ESMTP id 0CF9343D46; Thu, 15 Jan 2004 14:54:19 -0800 (PST) (envelope-from jroberson@chesapeake.net) Received: from localhost (jroberson@localhost) by mail.chesapeake.net (8.11.6/8.11.6) with ESMTP id i0FMsIH68194; Thu, 15 Jan 2004 17:54:18 -0500 (EST) (envelope-from jroberson@chesapeake.net) Date: Thu, 15 Jan 2004 17:54:18 -0500 (EST) From: Jeff Roberson To: Don Lewis In-Reply-To: <200401150519.i0F5JO7E041440@gw.catspoiler.org> Message-ID: <20040115175353.O36463-100000@mail.chesapeake.net> MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII cc: cvs-src@FreeBSD.org cc: src-committers@FreeBSD.org cc: cvs-all@FreeBSD.org Subject: Re: cvs commit: src/sys/compat/linux linux_util.c X-BeenThere: cvs-src@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: CVS commit messages for the src tree List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Jan 2004 22:54:20 -0000 On Wed, 14 Jan 2004, Don Lewis wrote: > On 14 Jan, Jeff Roberson wrote: > > On Wed, 14 Jan 2004, Don Lewis wrote: > > > >> truckman 2004/01/14 14:38:03 PST > >> > >> FreeBSD src repository > >> > >> Modified files: > >> sys/compat/linux linux_util.c > >> Log: > >> VOP_GETATTR() wants the vnode passed to it to be locked. Instead > >> of adding the code to lock and unlock the vnodes and taking care > >> to avoid deadlock, simplify linux_emul_convpath() by comparing the > >> vnode pointers directly instead of comparing their va_fsid and > >> va_fileid attributes. This allows the removal of the calls to > >> VOP_GETATTR(). > > > > I'm not sure that the vnode pointer compare works in the case of device > > aliasing. Any comments? > > I believe you are correct, though one would hope that /compat/linux > wasn't a device. The va_fsid and va_fileid test would not work either. > For devices you want to look at va_rdev. > Ah, ok, sorry. I didn't bother to see what the path you were comparing was. Thanks, Jeff