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Remove migrate_set_block_enabled in checkpoint

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We can detect disk migration in migrate_prepare, if disk migration
is enabled in COLO mode, we can directly report an error.and there
is no need to disable block migration at every checkpoint.

Signed-off-by: Lei Rao <lei.rao@intel.com>
Signed-off-by: Zhang Chen <chen.zhang@intel.com>
Reviewed-by: Li Zhijian <lizhijian@fujitsu.com>
Reviewed-by: Zhang Chen <chen.zhang@intel.com>
Reviewed-by: Lukas Straub <lukasstraub2@web.de>
Tested-by: Lukas Straub <lukasstraub2@web.de>
Signed-off-by: Jason Wang <jasowang@redhat.com>
This commit is contained in:
Rao, Lei 2021-06-08 16:23:28 +08:00 committed by Jason Wang
parent 7c2eae9a77
commit 3ba024457f
2 changed files with 4 additions and 6 deletions
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6
migration/colo.c
View File

@ -435,12 +435,6 @@ static int colo_do_checkpoint_transaction(MigrationState *s,
if (failover_get_state() != FAILOVER_STATUS_NONE) {
goto out;
}
/* Disable block migration */
migrate_set_block_enabled(false, &local_err);
if (local_err) {
goto out;
}
qemu_mutex_lock_iothread();
#ifdef CONFIG_REPLICATION

4
migration/migration.c
View File

@ -2217,6 +2217,10 @@ static bool migrate_prepare(MigrationState *s, bool blk, bool blk_inc,
}
if (blk || blk_inc) {
if (migrate_colo_enabled()) {
error_setg(errp, "No disk migration is required in COLO mode");
return false;
}
if (migrate_use_block() || migrate_use_block_incremental()) {
error_setg(errp, "Command options are incompatible with "
"current migration capabilities");