From: Johannes Sixt <j.sixt@viscovery.net>
To: Junio C Hamano <gitster@pobox.com>
Cc: "SZEDER Gábor" <szeder@ira.uka.de>, git@vger.kernel.org
Subject: Re: [RFC PATCH] rerere: fix overeager gc
Date: Wed, 30 Jun 2010 08:12:30 +0200 [thread overview]
Message-ID: <4C2AE04E.9090901@viscovery.net> (raw)
In-Reply-To: <7vy6dx90uk.fsf@alter.siamese.dyndns.org>
Am 6/29/2010 19:59, schrieb Junio C Hamano:
> One possibility is to look at the timestamp of the directory itself
> instead. Then we can safely gc otherwise-unused "thisimage" file when
> rerere is not in use. I wonder if directory m_time timestamps are usable
> for this purpose on non-POSIX platforms?
I don't think that will work at all: We only use fopen() to write
thisimage, which only truncates the file, but doesn't modify mtime of the
directory. Nor do we create any other (temporary) directory entries that
would modify the mtime.
Would it be possible to update the timestamp of preimage every time it is
used (e.g., in rerere.c:merge()), and check for that?
-- Hannes
next prev parent reply other threads:[~2010-06-30 6:12 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-06-29 11:38 [RFC PATCH] rerere: fix overeager gc SZEDER Gábor
2010-06-29 17:59 ` Junio C Hamano
2010-06-30 6:12 ` Johannes Sixt [this message]
2010-06-30 8:01 ` SZEDER Gábor
2010-06-30 15:22 ` Junio C Hamano
2010-06-30 15:40 ` Johannes Sixt
2010-07-01 9:36 ` [PATCH v2] " SZEDER Gábor
2010-07-01 10:10 ` Johannes Sixt
2010-07-01 11:07 ` [PATCH 1/2] mingw: utime() handles NULL times parameter SZEDER Gábor
2010-07-01 12:16 ` [PATCH 1/2 fixed] mingw_utime(): handle " Johannes Sixt
2010-07-01 11:07 ` [PATCH 2/2] rerere: fix overeager gc SZEDER Gábor
2010-07-01 16:27 ` [RFC PATCH] " Junio C Hamano
2010-07-02 5:49 ` Johannes Sixt
2010-07-02 17:25 ` Junio C Hamano
2010-07-05 6:02 ` Johannes Sixt
2010-07-08 14:35 ` [PATCH v4] " SZEDER Gábor
2010-07-09 0:06 ` [RFC PATCH] " Junio C Hamano
2010-07-12 23:42 ` [PATCH 1/2] mingw_utime(): handle NULL times parameter SZEDER Gábor
2010-07-12 23:42 ` [PATCH 2/2] rerere: fix overeager gc SZEDER Gábor
2010-07-13 0:40 ` Junio C Hamano
2010-07-14 12:19 ` SZEDER Gábor
2010-07-14 16:23 ` Junio C Hamano
2010-07-14 18:33 ` SZEDER Gábor
2010-07-08 6:27 ` [RFC PATCH] " Johannes Sixt
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