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[Qemu-devel] [PATCH COLO-Frame v13 05/39] migration: Add state records f
From: |
zhanghailiang |
Subject: |
[Qemu-devel] [PATCH COLO-Frame v13 05/39] migration: Add state records for migration incoming |
Date: |
Tue, 29 Dec 2015 15:09:01 +0800 |
For migration destination, we also need to know its state,
we will use it in COLO.
Here we add a new member 'state' for MigrationIncomingState,
and also use migrate_set_state() to modify its value.
Signed-off-by: zhanghailiang <address@hidden>
Reviewed-by: Dr. David Alan Gilbert <address@hidden>
---
v11:
- Split exporting migrate_set_state() part into a new patch (Juan's suggestion)
---
include/migration/migration.h | 1 +
migration/migration.c | 14 +++++++++-----
2 files changed, 10 insertions(+), 5 deletions(-)
diff --git a/include/migration/migration.h b/include/migration/migration.h
index e102fe4..82dbb08 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -105,6 +105,7 @@ struct MigrationIncomingState {
QemuMutex rp_mutex; /* We send replies from multiple threads */
void *postcopy_tmp_page;
+ int state;
/* See savevm.c */
LoadStateEntry_Head loadvm_handlers;
};
diff --git a/migration/migration.c b/migration/migration.c
index 388c62c..159d3f5 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -112,6 +112,7 @@ MigrationIncomingState
*migration_incoming_state_new(QEMUFile* f)
{
mis_current = g_new0(MigrationIncomingState, 1);
mis_current->from_src_file = f;
+ mis_current->state = MIGRATION_STATUS_NONE;
QLIST_INIT(&mis_current->loadvm_handlers);
qemu_mutex_init(&mis_current->rp_mutex);
qemu_event_init(&mis_current->main_thread_load_event, false);
@@ -332,8 +333,8 @@ static void process_incoming_migration_co(void *opaque)
mis = migration_incoming_state_new(f);
postcopy_state_set(POSTCOPY_INCOMING_NONE);
- migrate_generate_event(MIGRATION_STATUS_ACTIVE);
-
+ migrate_set_state(&mis->state, MIGRATION_STATUS_NONE,
+ MIGRATION_STATUS_ACTIVE);
ret = qemu_loadvm_state(f);
ps = postcopy_state_get();
@@ -362,7 +363,8 @@ static void process_incoming_migration_co(void *opaque)
migration_incoming_state_destroy();
if (ret < 0) {
- migrate_generate_event(MIGRATION_STATUS_FAILED);
+ migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
+ MIGRATION_STATUS_FAILED);
error_report("load of migration failed: %s", strerror(-ret));
migrate_decompress_threads_join();
exit(EXIT_FAILURE);
@@ -371,7 +373,8 @@ static void process_incoming_migration_co(void *opaque)
/* Make sure all file formats flush their mutable metadata */
bdrv_invalidate_cache_all(&local_err);
if (local_err) {
- migrate_generate_event(MIGRATION_STATUS_FAILED);
+ migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
+ MIGRATION_STATUS_FAILED);
error_report_err(local_err);
migrate_decompress_threads_join();
exit(EXIT_FAILURE);
@@ -403,7 +406,8 @@ static void process_incoming_migration_co(void *opaque)
* observer sees this event they might start to prod at the VM assuming
* it's ready to use.
*/
- migrate_generate_event(MIGRATION_STATUS_COMPLETED);
+ migrate_set_state(&mis->state, MIGRATION_STATUS_ACTIVE,
+ MIGRATION_STATUS_COMPLETED);
}
void process_incoming_migration(QEMUFile *f)
--
1.8.3.1
- [Qemu-devel] [PATCH COLO-Frame v13 00/39] COarse-grain LOck-stepping(COLO) Virtual Machines for Non-stop Service (FT), zhanghailiang, 2015/12/29
- [Qemu-devel] [PATCH COLO-Frame v13 01/39] configure: Add parameter for configure to enable/disable COLO support, zhanghailiang, 2015/12/29
- [Qemu-devel] [PATCH COLO-Frame v13 04/39] migration: Export migrate_set_state(), zhanghailiang, 2015/12/29
- [Qemu-devel] [PATCH COLO-Frame v13 05/39] migration: Add state records for migration incoming,
zhanghailiang <=
- [Qemu-devel] [PATCH COLO-Frame v13 12/39] QEMUSizedBuffer: Introduce two help functions for qsb, zhanghailiang, 2015/12/29
- [Qemu-devel] [PATCH COLO-Frame v13 13/39] COLO: Save PVM state to secondary side when do checkpoint, zhanghailiang, 2015/12/29
- [Qemu-devel] [PATCH COLO-Frame v13 10/39] COLO: Implement colo checkpoint protocol, zhanghailiang, 2015/12/29
- [Qemu-devel] [PATCH COLO-Frame v13 07/39] migration: Integrate COLO checkpoint process into loadvm, zhanghailiang, 2015/12/29
- [Qemu-devel] [PATCH COLO-Frame v13 16/39] ram/COLO: Record the dirty pages that SVM received, zhanghailiang, 2015/12/29
- [Qemu-devel] [PATCH COLO-Frame v13 08/39] migration: Rename the'file' member of MigrationState, zhanghailiang, 2015/12/29
- [Qemu-devel] [PATCH COLO-Frame v13 19/39] COLO: Add checkpoint-delay parameter for migrate-set-parameters, zhanghailiang, 2015/12/29
- [Qemu-devel] [PATCH COLO-Frame v13 22/39] COLO failover: Introduce state to record failover process, zhanghailiang, 2015/12/29
- [Qemu-devel] [PATCH COLO-Frame v13 15/39] COLO: Load PVM's dirty pages into SVM's RAM cache temporarily, zhanghailiang, 2015/12/29
- [Qemu-devel] [PATCH COLO-Frame v13 24/39] COLO: Implement failover work for Secondary VM, zhanghailiang, 2015/12/29