[PATCH v2 25/29] packed_refs_unlock(), packed_refs_is_locked(): new functions
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STALE3390d
SUPERSEDED
From: Michael Haggerty <hidden>
Date: 2017-06-23 07:03:02
Subsystem:
the rest · Maintainer:
Linus Torvalds
Revision v2 of 3 in this series.
Revisions (3)
- v1 [diff vs current]
- v2 current
- v3 [diff vs current]
Add two new public functions, `packed_refs_unlock()` and `packed_refs_is_locked()`, with which callers can manage and query the `packed-refs` lock externally. Call `packed_refs_unlock()` from `commit_packed_refs()` and `rollback_packed_refs()`. Signed-off-by: Michael Haggerty <redacted> --- refs/packed-backend.c | 31 +++++++++++++++++++++++++------ refs/packed-backend.h | 3 +++ 2 files changed, 28 insertions(+), 6 deletions(-)
diff --git a/refs/packed-backend.c b/refs/packed-backend.c
index 78e877a9e3..f27943f9a1 100644
--- a/refs/packed-backend.c
+++ b/refs/packed-backend.c@@ -563,6 +563,29 @@ int packed_refs_lock(struct ref_store *ref_store, int flags, struct strbuf *err) return 0; } +void packed_refs_unlock(struct ref_store *ref_store) +{ + struct packed_ref_store *refs = packed_downcast( + ref_store, + REF_STORE_READ | REF_STORE_WRITE, + "packed_refs_unlock"); + + if (!is_lock_file_locked(&refs->lock)) + die("BUG: packed_refs_unlock() called when not locked"); + rollback_lock_file(&refs->lock); + release_packed_ref_cache(refs->cache); +} + +int packed_refs_is_locked(struct ref_store *ref_store) +{ + struct packed_ref_store *refs = packed_downcast( + ref_store, + REF_STORE_READ | REF_STORE_WRITE, + "packed_refs_is_locked"); + + return is_lock_file_locked(&refs->lock); +} + /* * The packed-refs header line that we write out. Perhaps other * traits will be added later. The trailing space is required.
@@ -649,8 +672,7 @@ int commit_packed_refs(struct ref_store *ref_store, struct strbuf *err) delete_tempfile(&refs->tempfile); out: - rollback_lock_file(&refs->lock); - release_packed_ref_cache(packed_ref_cache); + packed_refs_unlock(ref_store); return ret; }
@@ -661,14 +683,11 @@ int commit_packed_refs(struct ref_store *ref_store, struct strbuf *err) */ static void rollback_packed_refs(struct packed_ref_store *refs) { - struct packed_ref_cache *packed_ref_cache = get_packed_ref_cache(refs); - packed_assert_main_repository(refs, "rollback_packed_refs"); if (!is_lock_file_locked(&refs->lock)) die("BUG: packed-refs not locked"); - rollback_lock_file(&refs->lock); - release_packed_ref_cache(packed_ref_cache); + packed_refs_unlock(&refs->base); clear_packed_ref_cache(refs); }
diff --git a/refs/packed-backend.h b/refs/packed-backend.h
index 210e3f35ce..03b7c1de95 100644
--- a/refs/packed-backend.h
+++ b/refs/packed-backend.h@@ -11,6 +11,9 @@ struct ref_store *packed_ref_store_create(const char *path, */ int packed_refs_lock(struct ref_store *ref_store, int flags, struct strbuf *err); +void packed_refs_unlock(struct ref_store *ref_store); +int packed_refs_is_locked(struct ref_store *ref_store); + void add_packed_ref(struct ref_store *ref_store, const char *refname, const struct object_id *oid);
--
2.11.0