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packed_ref_store: move packed_refs_lock member here

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Move the `packed_refs_lock` member from `files_ref_store` to
`packed_ref_store`, and rename it to `lock` since it's now more
obvious what it is locking.

Signed-off-by: Michael Haggerty <mhagger@alum.mit.edu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>
This commit is contained in:
Michael Haggerty 2017-06-23 09:01:23 +02:00 committed by Junio C Hamano
parent e0d483970b
commit 139c4596ad
1 changed files with 16 additions and 15 deletions
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31
refs/files-backend.c
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@ -62,6 +62,12 @@ struct packed_ref_store {
* it might still be current; otherwise, NULL.
*/
struct packed_ref_cache *cache;
/*
* Lock used for the "packed-refs" file. Note that this (and
* thus the enclosing `packed_ref_store`) must not be freed.
*/
struct lock_file lock;
};
static struct packed_ref_store *packed_ref_store_create(
@ -87,12 +93,6 @@ struct files_ref_store {
struct ref_cache *loose;
/*
* 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;
};
@ -125,7 +125,7 @@ static void clear_packed_ref_cache(struct files_ref_store *refs)
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))
if (is_lock_file_locked(&refs->packed_ref_store->lock))
die("BUG: packed-ref cache cleared while locked");
refs->packed_ref_store->cache = NULL;
release_packed_ref_cache(packed_refs);
@ -416,7 +416,7 @@ static struct packed_ref_cache *get_packed_ref_cache(struct files_ref_store *ref
{
const char *packed_refs_file = refs->packed_ref_store->path;
if (!is_lock_file_locked(&refs->packed_refs_lock))
if (!is_lock_file_locked(&refs->packed_ref_store->lock))
validate_packed_ref_cache(refs);
if (!refs->packed_ref_store->cache)
@ -447,7 +447,7 @@ static void add_packed_ref(struct files_ref_store *refs,
struct ref_dir *packed_refs;
struct ref_entry *packed_entry;
if (!is_lock_file_locked(&refs->packed_refs_lock))
if (!is_lock_file_locked(&refs->packed_ref_store->lock))
die("BUG: packed refs not locked");
if (check_refname_format(refname, REFNAME_ALLOW_ONELEVEL))
@ -1351,7 +1351,8 @@ static int lock_packed_refs(struct files_ref_store *refs, int flags)
}
if (hold_lock_file_for_update_timeout(
&refs->packed_refs_lock, refs->packed_ref_store->path,
&refs->packed_ref_store->lock,
refs->packed_ref_store->path,
flags, timeout_value) < 0)
return -1;
@ -1388,10 +1389,10 @@ static int commit_packed_refs(struct files_ref_store *refs)
files_assert_main_repository(refs, "commit_packed_refs");
if (!is_lock_file_locked(&refs->packed_refs_lock))
if (!is_lock_file_locked(&refs->packed_ref_store->lock))
die("BUG: packed-refs not locked");
out = fdopen_lock_file(&refs->packed_refs_lock, "w");
out = fdopen_lock_file(&refs->packed_ref_store->lock, "w");
if (!out)
die_errno("unable to fdopen packed-refs descriptor");
@ -1409,7 +1410,7 @@ static int commit_packed_refs(struct files_ref_store *refs)
if (ok != ITER_DONE)
die("error while iterating over references");
if (commit_lock_file(&refs->packed_refs_lock)) {
if (commit_lock_file(&refs->packed_ref_store->lock)) {
save_errno = errno;
error = -1;
}
@ -1430,9 +1431,9 @@ static void rollback_packed_refs(struct files_ref_store *refs)
files_assert_main_repository(refs, "rollback_packed_refs");
if (!is_lock_file_locked(&refs->packed_refs_lock))
if (!is_lock_file_locked(&refs->packed_ref_store->lock))
die("BUG: packed-refs not locked");
rollback_lock_file(&refs->packed_refs_lock);
rollback_lock_file(&refs->packed_ref_store->lock);
release_packed_ref_cache(packed_ref_cache);
clear_packed_ref_cache(refs);
}