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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 17:40:36 +0200	[thread overview]
Message-ID: <4C2B6574.1060902@viscovery.net> (raw)
In-Reply-To: <7v7hlg8s0e.fsf@alter.siamese.dyndns.org>

Am 6/30/2010 17:22, schrieb Junio C Hamano:
> Johannes Sixt <j.sixt@viscovery•net> writes:
>> 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.
> 
> Ah, I see; I don't mind a patch that fixes the creation of thisimage to
> follow the "create into temporary and then commit by renaming" pattern.
> 
> Would that solve this issue?

I think so. On Windows, the directory's mtime is updated.

-- Hannes

  reply	other threads:[~2010-06-30 15:40 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
2010-06-30  8:01     ` SZEDER Gábor
2010-06-30 15:22     ` Junio C Hamano
2010-06-30 15:40       ` Johannes Sixt [this message]
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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