diff options
Diffstat (limited to 'storage/innobase')
| -rw-r--r-- | storage/innobase/dict/dict0dict.c | 10 | ||||
| -rw-r--r-- | storage/innobase/include/sync0sync.h | 2 | ||||
| -rw-r--r-- | storage/innobase/row/row0undo.c | 4 |
3 files changed, 7 insertions, 9 deletions
diff --git a/storage/innobase/dict/dict0dict.c b/storage/innobase/dict/dict0dict.c index d3b277d2d7a..d2b59469cdc 100644 --- a/storage/innobase/dict/dict0dict.c +++ b/storage/innobase/dict/dict0dict.c @@ -618,13 +618,11 @@ dict_table_get_on_id( if (ut_dulint_cmp(table_id, DICT_FIELDS_ID) <= 0 || trx->dict_operation_lock_mode == RW_X_LATCH) { - /* It is a system table which will always exist in the table - cache: we avoid acquiring the dictionary mutex, because - if we are doing a rollback to handle an error in TABLE - CREATE, for example, we already have the mutex! */ - ut_ad(mutex_own(&(dict_sys->mutex)) - || trx->dict_operation_lock_mode == RW_X_LATCH); + /* Note: An X latch implies that the transaction + already owns the dictionary mutex. */ + + ut_ad(mutex_own(&dict_sys->mutex)); return(dict_table_get_on_id_low(table_id)); } diff --git a/storage/innobase/include/sync0sync.h b/storage/innobase/include/sync0sync.h index 6a61330f97e..9430d4cb723 100644 --- a/storage/innobase/include/sync0sync.h +++ b/storage/innobase/include/sync0sync.h @@ -401,7 +401,7 @@ or row lock! */ locked; see e.g. ibuf_bitmap_get_map_page(). */ #define SYNC_DICT_OPERATION 1001 /* table create, drop, etc. reserve - this in X-mode, implicit or backround + this in X-mode; implicit or backround operations purge, rollback, foreign key checks reserve this in S-mode */ #define SYNC_DICT 1000 diff --git a/storage/innobase/row/row0undo.c b/storage/innobase/row/row0undo.c index f03f84ed1b0..7f31fd0060c 100644 --- a/storage/innobase/row/row0undo.c +++ b/storage/innobase/row/row0undo.c @@ -272,7 +272,7 @@ row_undo( if (locked_data_dict) { - row_mysql_lock_data_dictionary(trx); + row_mysql_freeze_data_dictionary(trx); } if (node->state == UNDO_NODE_INSERT) { @@ -287,7 +287,7 @@ row_undo( if (locked_data_dict) { - row_mysql_unlock_data_dictionary(trx); + row_mysql_unfreeze_data_dictionary(trx); } /* Do some cleanup */ |