Date: Wed, 20 Feb 2008 13:40:02 GMT From: Robert Watson <rwatson@FreeBSD.org> To: freebsd-fs@FreeBSD.org Subject: Re: kern/120869: [procfs] 'stat' shows that all files have 0-length when they are actually not empty Message-ID: <200802201340.m1KDe298021987@freefall.freebsd.org>
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The following reply was made to PR kern/120869; it has been noted by GNATS. From: Robert Watson <rwatson@FreeBSD.org> To: remko@FreeBSD.org Cc: yuri@tsoft.com, freebsd-fs@FreeBSD.org, bug-followup@FreeBSD.org Subject: Re: kern/120869: [procfs] 'stat' shows that all files have 0-length when they are actually not empty Date: Wed, 20 Feb 2008 13:32:30 +0000 (GMT) On Wed, 20 Feb 2008, remko@FreeBSD.org wrote: > After a bit of discussion, this is not something which we are going to fix. > It is not worth the hassle. If you think this should be different, we do > welcome patches. Thanks fo rusing FreeBSD! Just as two data points here: Solaris attempts to provide coherent file sizes in /proc (at least to the extent that tried a few for objects where it is remotely possible), and the Linux 2.6.12 kernel I have on a box locally basically doesn't. My view is that it's a synthetic file system with data that varies dynamically at runtime, and that while it wouldn't hurt to produce file size information that's correct, it's quite a bit of work to do so and that I wouldn't prioritize it above other, more critical things that need to happen. We should certainly evaluate any patches that come in for possible inclusion, assuming they don't muck up the internals of procfs too much; it's not clear to me if they necessarily do so or not. Robert N M Watson Computer Laboratory University of Cambridge
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