From: Michael Haggerty <mhagger@alum.mit.edu>
To: Junio C Hamano <gitster@pobox.com>
Cc: "Nguyễn Thái Ngọc Duy" <pclouds@gmail.com>,
"Stefan Beller" <sbeller@google.com>, "Jeff King" <peff@peff.net>,
"Ævar Arnfjörð Bjarmason" <avarab@gmail.com>,
"David Turner" <novalis@novalis.org>,
"Brandon Williams" <bmwill@google.com>,
git@vger.kernel.org, "Michael Haggerty" <mhagger@alum.mit.edu>
Subject: [PATCH v3 08/30] get_packed_ref_cache(): take a `packed_ref_store *` parameter
Date: Sat, 1 Jul 2017 20:30:46 +0200 [thread overview]
Message-ID: <34ec9fea5819575908a5e622b0ef79465f234112.1498933362.git.mhagger@alum.mit.edu> (raw)
In-Reply-To: <cover.1498933362.git.mhagger@alum.mit.edu>
It only cares about the packed-refs part of the reference store.
Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
---
refs/files-backend.c | 26 ++++++++++++--------------
1 file changed, 12 insertions(+), 14 deletions(-)
diff --git a/refs/files-backend.c b/refs/files-backend.c
index f061506bf0..b2ef7b3bb9 100644
--- a/refs/files-backend.c
+++ b/refs/files-backend.c
@@ -404,24 +404,22 @@ static void validate_packed_ref_cache(struct packed_ref_store *refs)
}
/*
- * Get the packed_ref_cache for the specified files_ref_store,
+ * Get the packed_ref_cache for the specified packed_ref_store,
* creating and populating it if it hasn't been read before or if the
* file has been changed (according to its `validity` field) since it
* was last read. On the other hand, if we hold the lock, then assume
* that the file hasn't been changed out from under us, so skip the
* extra `stat()` call in `stat_validity_check()`.
*/
-static struct packed_ref_cache *get_packed_ref_cache(struct files_ref_store *refs)
+static struct packed_ref_cache *get_packed_ref_cache(struct packed_ref_store *refs)
{
- const char *packed_refs_file = refs->packed_ref_store->path;
+ if (!is_lock_file_locked(&refs->lock))
+ validate_packed_ref_cache(refs);
- if (!is_lock_file_locked(&refs->packed_ref_store->lock))
- validate_packed_ref_cache(refs->packed_ref_store);
-
- if (!refs->packed_ref_store->cache)
- refs->packed_ref_store->cache = read_packed_refs(packed_refs_file);
+ if (!refs->cache)
+ refs->cache = read_packed_refs(refs->path);
- return refs->packed_ref_store->cache;
+ return refs->cache;
}
static struct ref_dir *get_packed_ref_dir(struct packed_ref_cache *packed_ref_cache)
@@ -431,7 +429,7 @@ static struct ref_dir *get_packed_ref_dir(struct packed_ref_cache *packed_ref_ca
static struct ref_dir *get_packed_refs(struct files_ref_store *refs)
{
- return get_packed_ref_dir(get_packed_ref_cache(refs));
+ return get_packed_ref_dir(get_packed_ref_cache(refs->packed_ref_store));
}
/*
@@ -1151,7 +1149,7 @@ static struct ref_iterator *files_ref_iterator_begin(
loose_iter = cache_ref_iterator_begin(get_loose_ref_cache(refs),
prefix, 1);
- iter->packed_ref_cache = get_packed_ref_cache(refs);
+ iter->packed_ref_cache = get_packed_ref_cache(refs->packed_ref_store);
acquire_packed_ref_cache(iter->packed_ref_cache);
packed_iter = cache_ref_iterator_begin(iter->packed_ref_cache->cache,
prefix, 0);
@@ -1365,7 +1363,7 @@ static int lock_packed_refs(struct files_ref_store *refs, int flags)
*/
validate_packed_ref_cache(refs->packed_ref_store);
- packed_ref_cache = get_packed_ref_cache(refs);
+ packed_ref_cache = get_packed_ref_cache(refs->packed_ref_store);
/* Increment the reference count to prevent it from being freed: */
acquire_packed_ref_cache(packed_ref_cache);
return 0;
@@ -1380,7 +1378,7 @@ static int lock_packed_refs(struct files_ref_store *refs, int flags)
static int commit_packed_refs(struct files_ref_store *refs)
{
struct packed_ref_cache *packed_ref_cache =
- get_packed_ref_cache(refs);
+ get_packed_ref_cache(refs->packed_ref_store);
int ok, error = 0;
int save_errno = 0;
FILE *out;
@@ -1426,7 +1424,7 @@ static int commit_packed_refs(struct files_ref_store *refs)
static void rollback_packed_refs(struct files_ref_store *refs)
{
struct packed_ref_cache *packed_ref_cache =
- get_packed_ref_cache(refs);
+ get_packed_ref_cache(refs->packed_ref_store);
files_assert_main_repository(refs, "rollback_packed_refs");
--
2.11.0
next prev parent reply other threads:[~2017-07-01 18:31 UTC|newest]
Thread overview: 52+ messages / expand[flat|nested] mbox.gz Atom feed top
2017-07-01 18:30 [PATCH v3 00/30] Create a reference backend for packed refs Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 01/30] t1408: add a test of stale packed refs covered by loose refs Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 02/30] add_packed_ref(): teach function to overwrite existing refs Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 03/30] packed_ref_store: new struct Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 04/30] packed_ref_store: move `packed_refs_path` here Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 05/30] packed_ref_store: move `packed_refs_lock` member here Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 06/30] clear_packed_ref_cache(): take a `packed_ref_store *` parameter Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 07/30] validate_packed_ref_cache(): " Michael Haggerty
2017-07-01 18:30 ` Michael Haggerty [this message]
2017-07-01 18:30 ` [PATCH v3 09/30] get_packed_refs(): " Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 10/30] add_packed_ref(): " Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 11/30] lock_packed_refs(): " Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 12/30] commit_packed_refs(): " Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 13/30] rollback_packed_refs(): " Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 14/30] get_packed_ref(): " Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 15/30] repack_without_refs(): " Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 16/30] packed_peel_ref(): new function, extracted from `files_peel_ref()` Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 17/30] packed_ref_store: support iteration Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 18/30] packed_read_raw_ref(): new function, replacing `resolve_packed_ref()` Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 19/30] packed-backend: new module for handling packed references Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 20/30] packed_ref_store: make class into a subclass of `ref_store` Michael Haggerty
2017-07-01 18:30 ` [PATCH v3 21/30] commit_packed_refs(): report errors rather than dying Michael Haggerty
2017-07-01 18:31 ` [PATCH v3 22/30] commit_packed_refs(): use a staging file separate from the lockfile Michael Haggerty
2017-07-01 18:31 ` [PATCH v3 23/30] packed_refs_lock(): function renamed from lock_packed_refs() Michael Haggerty
2017-07-01 18:31 ` [PATCH v3 24/30] packed_refs_lock(): report errors via a `struct strbuf *err` Michael Haggerty
2017-07-01 18:31 ` [PATCH v3 25/30] packed_refs_unlock(), packed_refs_is_locked(): new functions Michael Haggerty
2017-07-01 18:31 ` [PATCH v3 26/30] clear_packed_ref_cache(): don't protest if the lock is held Michael Haggerty
2017-07-01 18:31 ` [PATCH v3 27/30] commit_packed_refs(): remove call to `packed_refs_unlock()` Michael Haggerty
2017-07-01 18:31 ` [PATCH v3 28/30] repack_without_refs(): don't lock or unlock the packed refs Michael Haggerty
2017-07-01 18:31 ` [PATCH v3 29/30] t3210: add some tests of bogus packed-refs file contents Michael Haggerty
2017-07-01 18:31 ` [PATCH v3 30/30] read_packed_refs(): die if `packed-refs` contains bogus data Michael Haggerty
2017-07-05 9:12 ` [PATCH v3 00/30] Create a reference backend for packed refs Jeff King
2017-07-20 23:05 ` Stefan Beller
2017-07-20 23:20 ` Jonathan Nieder
2017-07-26 23:39 ` [PATCH] packed_ref_store: handle a packed-refs file that is a symlink Michael Haggerty
2017-07-27 0:15 ` Stefan Beller
2017-07-27 0:18 ` Jonathan Nieder
2017-07-27 11:12 ` Michael Haggerty
2017-07-27 17:19 ` Junio C Hamano
2017-07-27 18:28 ` Jeff King
2017-07-27 19:40 ` Junio C Hamano
2017-07-28 6:07 ` Michael Haggerty
2021-05-31 14:18 ` Ævar Arnfjörð Bjarmason
2021-06-03 19:39 ` Jeff King
2021-06-03 19:58 ` [PATCH] t: use portable wrapper for readlink(1) Jeff King
2021-06-04 21:09 ` Ævar Arnfjörð Bjarmason
2021-06-03 20:23 ` [PATCH] packed_ref_store: handle a packed-refs file that is a symlink Felipe Contreras
2021-06-03 21:08 ` Jeff King
2021-06-03 22:25 ` Felipe Contreras
2021-06-04 21:37 ` Ævar Arnfjörð Bjarmason
2021-06-05 1:07 ` Felipe Contreras
2021-06-04 21:12 ` Ævar Arnfjörð Bjarmason
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