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From: Junio C Hamano <gitster@pobox.com>
To: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Paolo Bonzini <bonzini@gnu.org>,
	Miklos Vajna <vmiklos@frugalware.org>, Jeff King <peff@peff.net>,
	git@vger.kernel.org
Subject: Re: [RFH] two and half potential fixlets to the in-core index handling
Date: Sat, 23 Aug 2008 12:21:38 -0700	[thread overview]
Message-ID: <7vwsi7y1tp.fsf@gitster.siamese.dyndns.org> (raw)
In-Reply-To: <7v1w0fzgpc.fsf@gitster.siamese.dyndns.org> (Junio C. Hamano's message of "Sat, 23 Aug 2008 12:14:55 -0700")

Junio C Hamano <gitster@pobox.com> writes:

> Linus Torvalds <torvalds@linux-foundation.org> writes:
>
>> On Sat, 23 Aug 2008, Junio C Hamano wrote:
>>> 
>>> A hacky solution I have in the attached patch is to waste an xmalloc(1)
>>> and store it there when o->result is created, and also make
>>> read_from_index() pay attention to the cache_nr and the cache_changed
>>> bit. I think it is the safest and minimum fix.
>>
>> Hmm. Wouldn't it be nicer to just add another bit to istate? We have the 
>> space already, since we already have a bitfield there, with just one bit 
>> used?
>
> cache_changed can also become a single-bit field.
>
> The oldest "the_index" users work from it in the BSS initialized all
> zero.  We'd also need to mark it as initialized, wouldn't we?

Ah, sorry, even they start with read_cache() to read .git/index (which may
not exist yet, which is fine).

Sorry for a stupid thinko.

      reply	other threads:[~2008-08-23 19:22 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-08-22  6:36 [bug] git `next' does not do trivial merges Paolo Bonzini
2008-08-22 19:31 ` Jeff King
2008-08-23  6:08   ` Miklos Vajna
2008-08-23  8:14     ` [PATCH] Fix in-index merge Miklos Vajna
2008-08-23  8:17       ` [PATCH] builtin-merge: fail properly when we are in the middle of a conflicted merge Miklos Vajna
2008-08-23  9:01         ` Junio C Hamano
2008-08-23 10:57           ` Miklos Vajna
2008-08-23 19:55             ` Junio C Hamano
2008-08-23 19:56               ` [PATCH 1/2] merge: fix numerus bugs around "trivial merge" area Junio C Hamano
2008-08-24  1:58                 ` Junio C Hamano
2008-08-28 13:43                   ` [PATCH] builtin-merge: avoid run_command_v_opt() for recursive and subtree Miklos Vajna
2008-08-23 19:57               ` [PATCH 2/2] unpack_trees(): protect the handcrafted in-core index from read_cache() Junio C Hamano
2008-08-23  9:50         ` [PATCH] builtin-merge: fail properly when we are in the middle of a conflicted merge Junio C Hamano
2008-08-23  8:50       ` [PATCH] Fix in-index merge Junio C Hamano
2008-08-23 10:41         ` Miklos Vajna
2008-08-23  9:19       ` Paolo Bonzini
2008-08-23  9:55         ` Junio C Hamano
2008-08-23 10:00           ` Junio C Hamano
2008-08-23 10:41             ` [RFH] two and half potential fixlets to the in-core index handling Junio C Hamano
2008-08-23 18:13               ` Linus Torvalds
2008-08-23 19:14                 ` Junio C Hamano
2008-08-23 19:21                   ` Junio C Hamano [this message]

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