Date: Sun, 5 Aug 2001 12:29:45 -0400 (EDT) From: Robert Watson <rwatson@freebsd.org> To: Michael Reifenberger <root@nihil.plaut.de> Cc: FreeBSD-Current <current@freebsd.org> Subject: Re: Linux ls fails on DEVFS /dev Message-ID: <Pine.NEB.3.96L.1010805122845.24868B-100000@fledge.watson.org> In-Reply-To: <20010805104350.A1188-100000@nihil>
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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
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