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From: "René Scharfe" <l.s.r@web.de>
To: Jeff King <peff@peff.net>
Cc: git@vger.kernel.org, "Junio C Hamano" <gitster@pobox.com>,
	"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>
Subject: Re: [PATCH 1/3] object-store: factor out odb_loose_cache()
Date: Mon, 7 Jan 2019 14:26:34 +0100
Message-ID: <4b9198d2-4994-6d26-74ee-e737ecc34af3@web.de> (raw)
In-Reply-To: <20190107082702.GB21362@sigill.intra.peff.net>

Am 07.01.2019 um 09:27 schrieb Jeff King:
> On Sun, Jan 06, 2019 at 05:45:30PM +0100, René Scharfe wrote:
>> diff --git a/object-store.h b/object-store.h
>> index 60758efad8..7236c571c0 100644
>> --- a/object-store.h
>> +++ b/object-store.h
>> @@ -54,6 +54,13 @@ void add_to_alternates_memory(const char *dir);
>>   */
>>  void odb_load_loose_cache(struct object_directory *odb, int subdir_nr);
>>  
>> +/*
>> + * Populate and return the loose object cache array corresponding to the
>> + * given object ID.
>> + */
>> +struct oid_array *odb_loose_cache(struct object_directory *odb,
>> +				  const struct object_id *oid);
>> +
> 
> I think the ugly-interfaced odb_load_loose_cache() can become "static"
> now, as the only outside caller (from sha1-name.c) has gone away.
> 
>> +struct oid_array *odb_loose_cache(struct object_directory *odb,
>> +				  const struct object_id *oid)
>> +{
>> +	int subdir_nr = oid->hash[0];
>> +	odb_load_loose_cache(odb, subdir_nr);
>> +	return &odb->loose_objects_cache;
>> +}
>> +
>>  void odb_load_loose_cache(struct object_directory *odb, int subdir_nr)
> 
> You'd need to re-order these definitions, of course (or alternatively,
> just fold the load function inline into odb_loose_cache()).

Yes, the functions are arranged so that odb_load_loose_cache() can be
inlined easily.  I meant to include a patch for that but then quibbled
about keeping the BUG check (which is probably optimized out) or not,
and dropped it for now to get the performance fix in more quickly..

René

  reply index

Thread overview: 44+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-12-28 18:04 What's cooking in git.git (Dec 2018, #02; Fri, 28) Junio C Hamano
2018-12-28 18:23 ` Elijah Newren
2019-01-03 13:27   ` Johannes Schindelin
2019-01-07 17:13     ` Elijah Newren
2018-12-28 19:21 ` ag/sequencer-reduce-rewriting-todo, was " Alban Gruin
2018-12-28 20:28   ` Junio C Hamano
2018-12-29 12:08 ` Denton Liu
2019-01-03 13:23 ` ps/stash-in-c, was " Johannes Schindelin
2019-01-06 16:39 ` jk/loose-object-cache René Scharfe
2019-01-06 16:45   ` [PATCH 1/3] object-store: factor out odb_loose_cache() René Scharfe
2019-01-07  8:27     ` Jeff King
2019-01-07 13:26       ` René Scharfe [this message]
2019-01-07 17:29         ` René Scharfe
2019-01-07 11:27     ` Philip Oakley
2019-01-07 12:30       ` Jeff King
2019-01-07 13:11         ` René Scharfe
2019-01-06 16:45   ` [PATCH 2/3] object-store: factor out odb_clear_loose_cache() René Scharfe
2019-01-06 16:45   ` [PATCH 3/3] object-store: use one oid_array per subdirectory for loose cache René Scharfe
2019-01-06 20:38     ` Ævar Arnfjörð Bjarmason
2019-01-06 22:58       ` René Scharfe
2019-01-07  8:31   ` [PATCH 0/11] jk/loose-object-cache sha1/object_id fixups Jeff King
2019-01-07  8:33     ` [PATCH 01/11] sha1-file: fix outdated sha1 comment references Jeff King
2019-01-07  8:34     ` [PATCH 02/11] update comment references to sha1_object_info() Jeff King
2019-01-07  8:34     ` [PATCH 03/11] http: use struct object_id instead of bare sha1 Jeff King
2019-01-07  8:35     ` [PATCH 04/11] sha1-file: modernize loose object file functions Jeff King
2019-01-07  8:37     ` [PATCH 05/11] sha1-file: modernize loose header/stream functions Jeff King
2019-01-07  8:37     ` [PATCH 06/11] sha1-file: convert pass-through functions to object_id Jeff King
2019-01-07  8:37     ` [PATCH 07/11] convert has_sha1_file() callers to has_object_file() Jeff King
2019-01-07  8:39     ` [PATCH 08/11] sha1-file: drop has_sha1_file() Jeff King
2019-01-07  8:39     ` [PATCH 09/11] sha1-file: prefer "loose object file" to "sha1 file" in messages Jeff King
2019-01-07  8:39     ` [PATCH 10/11] sha1-file: avoid "sha1 file" for generic use " Jeff King
2019-01-07  8:40     ` [PATCH 11/11] prefer "hash mismatch" to "sha1 mismatch" Jeff King
2019-01-08 16:40     ` [PATCH 0/11] jk/loose-object-cache sha1/object_id fixups René Scharfe
2019-01-08 17:39       ` Junio C Hamano
2019-01-08 18:05         ` Jeff King
2019-01-08 18:07           ` Junio C Hamano
2019-01-08 18:27             ` Derrick Stolee
2019-01-08 18:52             ` Junio C Hamano
2019-01-08 21:16               ` Jeff King
2019-01-09 21:37                 ` Stefan Beller
2019-01-09 22:42                   ` Stefan Beller
2019-01-10  6:17                     ` Jeff King
2019-01-07 17:29   ` [PATCH 4/3] object-store: retire odb_load_loose_cache() René Scharfe
2019-01-07 19:32     ` Junio C Hamano
2019-01-07 19:29   ` jk/loose-object-cache Junio C Hamano

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