Date: Wed, 23 Jul 2008 03:31:41 +1000 (EST) From: Bruce Evans <brde@optusnet.com.au> To: Pedro Giffuni <pfgshield-freebsd@yahoo.com> Cc: freebsd-fs@FreeBSD.org Subject: Re: birthtime initialization Message-ID: <20080723032929.F18594@delplex.bde.org> In-Reply-To: <984489.39243.qm@web32706.mail.mud.yahoo.com> References: <984489.39243.qm@web32706.mail.mud.yahoo.com>
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On Tue, 22 Jul 2008, Pedro Giffuni wrote: > Tim has some patches I made to add support for birthtime in libarchive (only in extended pax format) as a LIBARCHIVE.creationtime attribute. > > Since birthtime is set by modifying mtime twice with utimes(2), the only criteria I used to determine if birthtime should be stored is if it was less than mtime. I hope something can be done to make that behavior consistent with UFS2 in all other filesystems. Can't it check for st_birthtime.tv_sec being != 0 or -1? The erroneous default of 0 might interact badly with file systems written by buggy versions of tar that set times to 0. Bruce
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