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MDEV-23776: Re-apply the fix and make the test more robust

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The test that was added in commit e05650e686
would break a subsequent run of a test encryption.innodb-bad-key-change
because some pages in the system tablespace would be encrypted with
a different key.

The failure was repeatable with the following invocation:

./mtr --no-reorder \
encryption.create_or_replace,cbc \
encryption.innodb-bad-key-change,cbc

Because the crash was unrelated to the code changes that we reverted
in commit eb38b1f703
we can safely re-apply those fixes.
This commit is contained in:
Marko Mäkelä 2020-09-22 13:08:09 +03:00
parent 732cd7fd53
commit 2af8f712de
4 changed files with 7 additions and 4 deletions

2
mysql-test/suite/encryption/r/create_or_replace.result
View file

@ -1,5 +1,4 @@
SET @save_threads = @@GLOBAL.innodb_encryption_threads;
SET @save_tables = @@GLOBAL.innodb_encrypt_tables;
SET default_storage_engine = InnoDB;
SET GLOBAL innodb_encryption_threads = 4;
CREATE TABLE `table10_int_autoinc` (`col_int_key` int, pk int auto_increment, `col_int` int, key (`col_int_key` ),primary key (pk)) engine=innodb;
@ -18,4 +17,3 @@ connection default;
drop table create_or_replace_t, table1_int_autoinc, table0_int_autoinc,
table10_int_autoinc;
SET GLOBAL innodb_encryption_threads = @save_threads;
SET GLOBAL innodb_encrypt_tables = @save_tables;

1
mysql-test/suite/encryption/t/create_or_replace.opt Normal file
View file

@ -0,0 +1 @@
--innodb-encrypt-tables

2
mysql-test/suite/encryption/t/create_or_replace.test
View file

@ -3,7 +3,6 @@
--source include/count_sessions.inc
SET @save_threads = @@GLOBAL.innodb_encryption_threads;
SET @save_tables = @@GLOBAL.innodb_encrypt_tables;
SET default_storage_engine = InnoDB;
@ -76,5 +75,4 @@ drop table create_or_replace_t, table1_int_autoinc, table0_int_autoinc,
table10_int_autoinc;
SET GLOBAL innodb_encryption_threads = @save_threads;
SET GLOBAL innodb_encrypt_tables = @save_tables;
--source include/wait_until_count_sessions.inc

6
storage/innobase/fil/fil0crypt.cc
View file

@ -1483,6 +1483,11 @@ static bool fil_crypt_find_space_to_rotate(
{
/* we need iops to start rotating */
while (!state->should_shutdown() && !fil_crypt_alloc_iops(state)) {
if (state->space && state->space->is_stopping()) {
fil_space_release(state->space);
state->space = NULL;
}
os_event_reset(fil_crypt_threads_event);
os_event_wait_time(fil_crypt_threads_event, 100000);
}
@ -2506,6 +2511,7 @@ fil_space_crypt_close_tablespace(
/* wakeup throttle (all) sleepers */
os_event_set(fil_crypt_throttle_sleep_event);
os_event_set(fil_crypt_threads_event);
os_thread_sleep(20000);
dict_mutex_enter_for_mysql();