From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.2 required=3.0 tests=AWL,BAYES_00,RCVD_IN_DNSWL_HI, T_RP_MATCHES_RCVD shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 405A120401 for ; Thu, 15 Jun 2017 14:49:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752651AbdFOOr7 (ORCPT ); Thu, 15 Jun 2017 10:47:59 -0400 Received: from alum-mailsec-scanner-3.mit.edu ([18.7.68.14]:63420 "EHLO alum-mailsec-scanner-3.mit.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752483AbdFOOr5 (ORCPT ); Thu, 15 Jun 2017 10:47:57 -0400 X-AuditID: 1207440e-20fff70000000c7e-19-59429e12d5cc Received: from outgoing-alum.mit.edu (OUTGOING-ALUM.MIT.EDU [18.7.68.33]) (using TLS with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by alum-mailsec-scanner-3.mit.edu (Symantec Messaging Gateway) with SMTP id 0C.56.03198.21E92495; Thu, 15 Jun 2017 10:47:46 -0400 (EDT) Received: from bagpipes.fritz.box (p57BCCC0A.dip0.t-ipconnect.de [87.188.204.10]) (authenticated bits=0) (User authenticated as mhagger@ALUM.MIT.EDU) by outgoing-alum.mit.edu (8.13.8/8.12.4) with ESMTP id v5FElbQu014537 (version=TLSv1/SSLv3 cipher=AES128-SHA bits=128 verify=NOT); Thu, 15 Jun 2017 10:47:44 -0400 From: Michael Haggerty To: Junio C Hamano Cc: =?UTF-8?q?Nguy=E1=BB=85n=20Th=C3=A1i=20Ng=E1=BB=8Dc=20Duy?= , Stefan Beller , Jeff King , =?UTF-8?q?=C3=86var=20Arnfj=C3=B6r=C3=B0=20Bjarmason?= , David Turner , Brandon Williams , git@vger.kernel.org, Michael Haggerty Subject: [PATCH 02/28] packed_ref_store: new struct Date: Thu, 15 Jun 2017 16:47:07 +0200 Message-Id: X-Mailer: git-send-email 2.11.0 In-Reply-To: References: X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFrrEIsWRmVeSWpSXmKPExsUixO6iqCs0zynSYNEdSYu1z+4wWTxff4Ld outKN5NFQ+8VZovbK+YzWyx5+JrZonvKW0aLHy09zBabN7ezOHB6/H3/gclj56y77B4LNpV6 dLUfYfN41ruH0ePiJWWPz5vkAtijuGxSUnMyy1KL9O0SuDI2nFjJXrBRumLdy1mMDYyvxboY OTkkBEwk7s9fw9jFyMUhJLCDSWL76vlMEM5JJolzk1pZQarYBHQlFvU0M4HYIgJqEhPbDrGA FDELTGKWeHttIVhCWMBYYkLjL3YQm0VAVWLK9TtgNq9AlMSGN+uYINbJS+xquwg2lFPAQmL2 l3XMXYwcQNvMJY4t15jAyLOAkWEVo1xiTmmubm5iZk5xarJucXJiXl5qka6xXm5miV5qSukm RkjQ8e1gbF8vc4hRgINRiYdXocEpUog1say4MvcQoyQHk5IoL78cUIgvKT+lMiOxOCO+qDQn tfgQowQHs5II79Q5QDnelMTKqtSifJiUNAeLkjiv2hJ1PyGB9MSS1OzU1ILUIpisDAeHkgSv 8VygRsGi1PTUirTMnBKENBMHJ8hwHqDhf8GGFxck5hZnpkPkTzEqSonzeoAkBEASGaV5cL2w pPCKURzoFWHeeSBVPMCEAtf9CmgwE9DgoAsOIINLEhFSUg2MCw80TNnFMWlCzmm37e49P0Rl Vp2JVXBReLfChyGE9VnJ/0luCVflu/9/LV6a8aE3Rb7eZ8nFTV7e3Z810qcH68Y67ni6VqGj +LfGygL76PRHgma/D8pWRLiv1L7jJBjkGBEY1s6kJ3gl+NqDhsjI+X16+wJ57SVv+euXrzoa /czO6prnuxtKLMUZiYZazEXFiQAy4qr15QIAAA== Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Start extracting the packed-refs-related data structures into a new class, `packed_ref_store`. It doesn't yet implement `ref_store`, but it will. Signed-off-by: Michael Haggerty --- refs/files-backend.c | 42 +++++++++++++++++++++++++++++++++--------- 1 file changed, 33 insertions(+), 9 deletions(-) diff --git a/refs/files-backend.c b/refs/files-backend.c index 87cecde231..2efb71cee9 100644 --- a/refs/files-backend.c +++ b/refs/files-backend.c @@ -47,6 +47,28 @@ struct packed_ref_cache { struct stat_validity validity; }; +/* + * A container for `packed-refs`-related data. It is not (yet) a + * `ref_store`. + */ +struct packed_ref_store { + unsigned int store_flags; + + /* + * A cache of the values read from the `packed-refs` file, if + * it might still be current; otherwise, NULL. + */ + struct packed_ref_cache *cache; +}; + +static struct packed_ref_store *packed_ref_store_create(unsigned int store_flags) +{ + struct packed_ref_store *refs = xcalloc(1, sizeof(*refs)); + + refs->store_flags = store_flags; + return refs; +} + /* * Future: need to be in "struct repository" * when doing a full libification. @@ -60,13 +82,14 @@ struct files_ref_store { char *packed_refs_path; struct ref_cache *loose; - struct packed_ref_cache *packed; /* * Lock used for the "packed-refs" file. Note that this (and * thus the enclosing `files_ref_store`) must not be freed. */ struct lock_file packed_refs_lock; + + struct packed_ref_store *packed_ref_store; }; /* @@ -95,12 +118,12 @@ static int release_packed_ref_cache(struct packed_ref_cache *packed_refs) static void clear_packed_ref_cache(struct files_ref_store *refs) { - if (refs->packed) { - struct packed_ref_cache *packed_refs = refs->packed; + if (refs->packed_ref_store->cache) { + struct packed_ref_cache *packed_refs = refs->packed_ref_store->cache; if (is_lock_file_locked(&refs->packed_refs_lock)) die("BUG: packed-ref cache cleared while locked"); - refs->packed = NULL; + refs->packed_ref_store->cache = NULL; release_packed_ref_cache(packed_refs); } } @@ -132,6 +155,7 @@ static struct ref_store *files_ref_store_create(const char *gitdir, refs->gitcommondir = strbuf_detach(&sb, NULL); strbuf_addf(&sb, "%s/packed-refs", refs->gitcommondir); refs->packed_refs_path = strbuf_detach(&sb, NULL); + refs->packed_ref_store = packed_ref_store_create(flags); return ref_store; } @@ -375,8 +399,8 @@ static void files_ref_path(struct files_ref_store *refs, */ static void validate_packed_ref_cache(struct files_ref_store *refs) { - if (refs->packed && - !stat_validity_check(&refs->packed->validity, + if (refs->packed_ref_store->cache && + !stat_validity_check(&refs->packed_ref_store->cache->validity, files_packed_refs_path(refs))) clear_packed_ref_cache(refs); } @@ -396,10 +420,10 @@ static struct packed_ref_cache *get_packed_ref_cache(struct files_ref_store *ref if (!is_lock_file_locked(&refs->packed_refs_lock)) validate_packed_ref_cache(refs); - if (!refs->packed) - refs->packed = read_packed_refs(packed_refs_file); + if (!refs->packed_ref_store->cache) + refs->packed_ref_store->cache = read_packed_refs(packed_refs_file); - return refs->packed; + return refs->packed_ref_store->cache; } static struct ref_dir *get_packed_ref_dir(struct packed_ref_cache *packed_ref_cache) -- 2.11.0