From owner-freebsd-current Sun Aug 5 9:30:15 2001 Delivered-To: freebsd-current@freebsd.org Received: from fledge.watson.org (fledge.watson.org [204.156.12.50]) by hub.freebsd.org (Postfix) with ESMTP id CB39637B401 for ; Sun, 5 Aug 2001 09:30:12 -0700 (PDT) (envelope-from robert@fledge.watson.org) Received: from fledge.watson.org (robert@fledge.pr.watson.org [192.0.2.3]) by fledge.watson.org (8.11.4/8.11.4) with SMTP id f75GTjf25447; Sun, 5 Aug 2001 12:29:56 -0400 (EDT) (envelope-from robert@fledge.watson.org) Date: Sun, 5 Aug 2001 12:29:45 -0400 (EDT) From: Robert Watson X-Sender: robert@fledge.watson.org To: Michael Reifenberger Cc: FreeBSD-Current Subject: Re: Linux ls fails on DEVFS /dev In-Reply-To: <20010805104350.A1188-100000@nihil> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk List-ID: List-Archive: (Web Archive) List-Help: (List Instructions) List-Subscribe: List-Unsubscribe: X-Loop: FreeBSD.ORG I reported this problem on the linprocfs and procfs modules a while back while playing with a complete Linux environment under jail(). So clearly we have a general problem among our synthetic file systems with regards to the linux emulator (and possibly other emulators?) Robert N M Watson FreeBSD Core Team, TrustedBSD Project robert@fledge.watson.org NAI Labs, Safeport Network Services On Sun, 5 Aug 2001, Michael Reifenberger wrote: > Hi, > linux ls fails on DEVFS /dev because linux_getdents fails because > linux_getdents uses VOP_READDIR( ..., &ncookies, &cookies ) instead of > VOP_READDIR( ..., NULL, NULL ) because it seems to need the offsets for > linux_dirent and sizeof(dirent) != sizeof(linux_dirent)... > > If I eliminate the usage of cookies, then a ls on at least > a cd9660 mounted dir fails with not finding all direntries. > > So the question is if all filesystems are expected to implement > the cookies != NULL case? > > BTW: > Wy doesn't a call to fstat on a directory set a st_blksize != 0? > Do directories have no preferred blocksize? > I ask because getdents(2) explicitly states one > should use stat(2) to get the minimum buffersize... > > Bye! > ---- > Michael Reifenberger > ^.*Plaut.*$, IT, R/3 Basis, GPS > > > To Unsubscribe: send mail to majordomo@FreeBSD.org > with "unsubscribe freebsd-current" in the body of the message > To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message