tdb: cleanup: rename GLOBAL_LOCK to OPEN_LOCK.

[ccan] / ccan / tdb / transaction.c

diff --git a/ccan/tdb/transaction.c b/ccan/tdb/transaction.c
index 261428fd9c9e5d0b902266ff3b91f9a24a37b898..ad07ad9fed1006dc41714c440395881ddc7465a3 100644 (file)
--- a/ccan/tdb/transaction.c
+++ b/ccan/tdb/transaction.c
@@ -76,7 +76,7 @@
     to reduce this to 3 or even 2 with some more work.
 
   - check for a valid recovery record on open of the tdb, while the
-    global lock is held. Automatically recover from the transaction
+    open lock is held. Automatically recover from the transaction
     recovery area if needed, then continue with the open as
     usual. This allows for smooth crash recovery with no administrator
     intervention.
@@ -135,8 +135,8 @@ struct tdb_transaction {
        bool prepared;
        tdb_off_t magic_offset;
 
-       /* set when the GLOBAL_LOCK has been taken */
-       bool global_lock_taken;
+       /* set when the OPEN_LOCK has been taken */
+       bool open_lock_taken;
 
        /* old file size before transaction */
        tdb_len_t old_map_size;
@@ -504,9 +504,9 @@ int _tdb_transaction_cancel(struct tdb_context *tdb, int ltype)
                }
        }
 
-       if (tdb->transaction->global_lock_taken) {
-               tdb_brunlock(tdb, F_WRLCK, GLOBAL_LOCK, 1);
-               tdb->transaction->global_lock_taken = false;
+       if (tdb->transaction->open_lock_taken) {
+               tdb_brunlock(tdb, F_WRLCK, OPEN_LOCK, 1);
+               tdb->transaction->open_lock_taken = false;
        }
 
        /* remove any global lock created during the transaction */
@@ -959,16 +959,16 @@ static int _tdb_transaction_prepare_commit(struct tdb_context *tdb)
                return -1;
        }
 
-       /* get the global lock - this prevents new users attaching to the database
+       /* get the open lock - this prevents new users attaching to the database
           during the commit */
-       if (tdb_brlock(tdb, F_WRLCK, GLOBAL_LOCK, 1, TDB_LOCK_WAIT) == -1) {
-               TDB_LOG((tdb, TDB_DEBUG_ERROR, "tdb_transaction_prepare_commit: failed to get global lock\n"));
+       if (tdb_brlock(tdb, F_WRLCK, OPEN_LOCK, 1, TDB_LOCK_WAIT) == -1) {
+               TDB_LOG((tdb, TDB_DEBUG_ERROR, "tdb_transaction_prepare_commit: failed to get open lock\n"));
                tdb->ecode = TDB_ERR_LOCK;
                _tdb_transaction_cancel(tdb, F_WRLCK);
                return -1;
        }
 
-       tdb->transaction->global_lock_taken = true;
+       tdb->transaction->open_lock_taken = true;
 
        if (!(tdb->flags & TDB_NOSYNC)) {
                /* write the recovery data to the end of the file */
@@ -995,7 +995,7 @@ static int _tdb_transaction_prepare_commit(struct tdb_context *tdb)
                methods->tdb_oob(tdb, tdb->map_size + 1, 1);
        }
 
-       /* Keep the global lock until the actual commit */
+       /* Keep the open lock until the actual commit */
 
        return 0;
 }
@@ -1123,7 +1123,7 @@ int tdb_transaction_commit(struct tdb_context *tdb)
 
 /*
   recover from an aborted transaction. Must be called with exclusive
-  database write access already established (including the global
+  database write access already established (including the open
   lock to prevent new processes attaching)
 */
 int tdb_transaction_recover(struct tdb_context *tdb)