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59caf2c3c1
The parameter --innodb-sync-debug, which is disabled by default, aims to find potential deadlocks in InnoDB. When the parameter is enabled, lots of tests failed. Most of these failures were due to bogus diagnostics. But, as part of this fix, we are also fixing a bug in error handling code and removing dead code, and fixing cases where an uninitialized mutex was being locked and unlocked. dict_create_foreign_constraints_low(): Remove an extraneous mutex_exit() call that could cause corruption in an error handling path. Also, do not unnecessarily acquire dict_foreign_err_mutex. Its only purpose is to control concurrent access to dict_foreign_err_file. row_ins_foreign_trx_print(): Replace a redundant condition with a debug assertion. srv_dict_tmpfile, srv_dict_tmpfile_mutex: Remove. The temporary file is never being written to or read from. log_free_check(): Allow SYNC_FTS_CACHE (fts_cache_t::lock) to be held. ha_innobase::inplace_alter_table(), row_merge_insert_index_tuples(): Assert that no unexpected latches are being held. sync_latch_meta_init(): Properly initialize dict_operation_lock_key at SYNC_DICT_OPERATION. dict_sys->mutex is SYNC_DICT, and the now-removed SRV_DICT_TMPFILE was wrongly registered at SYNC_DICT_OPERATION. buf_block_init(): Correctly register buf_block_t::debug_latch. It was previously misleadingly reported as LATCH_ID_DICT_FOREIGN_ERR. latch_level_t: Correct the relative latching order of SYNC_IBUF_PESS_INSERT_MUTEX,SYNC_INDEX_TREE and SYNC_FILE_FORMAT_TAG,SYNC_DICT_OPERATION to avoid bogus failures. row_drop_table_for_mysql(): Avoid accessing btr_defragment_mutex if the defragmentation thread has not been started. This is the case during fts_drop_orphaned_tables() in recv_recovery_rollback_active(). fil_space_destroy_crypt_data(): Avoid acquiring fil_crypt_threads_mutex when it is uninitialized. We may have created crypt_data before the mutex was created, and the mutex creation would be skipped if InnoDB startup failed or --innodb-read-only was specified. |
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| archive | ||
| blackhole | ||
| cassandra | ||
| connect | ||
| csv | ||
| example | ||
| federated | ||
| federatedx | ||
| heap | ||
| innobase | ||
| maria | ||
| mroonga | ||
| myisam | ||
| myisammrg | ||
| oqgraph | ||
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