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[Qemu-devel] [PATCH 4/5] migration: Remove old MigrationParams
From: |
Juan Quintela |
Subject: |
[Qemu-devel] [PATCH 4/5] migration: Remove old MigrationParams |
Date: |
Tue, 16 May 2017 13:11:22 +0200 |
Not used anymore after moving block migration to use capabilities.
Signed-off-by: Juan Quintela <address@hidden>
Reviewed-by: Dr. David Alan Gilbert <address@hidden>
Reviewed-by: zhanghailiang <address@hidden>
Reviewed-by: Peter Xu <address@hidden>
---
include/migration/migration.h | 10 ++--------
include/migration/vmstate.h | 1 -
include/qemu/typedefs.h | 1 -
include/sysemu/sysemu.h | 3 +--
migration/colo.c | 2 +-
migration/migration.c | 8 +++-----
migration/savevm.c | 16 +++-------------
7 files changed, 10 insertions(+), 31 deletions(-)
diff --git a/include/migration/migration.h b/include/migration/migration.h
index 1277226..761ea0d 100644
--- a/include/migration/migration.h
+++ b/include/migration/migration.h
@@ -42,10 +42,6 @@
/* for vl.c */
extern int only_migratable;
-struct MigrationParams {
- bool unused; /* C doesn't allow empty structs */
-};
-
/* Messages sent on the return path from destination to source */
enum mig_rp_message_type {
MIG_RP_MSG_INVALID = 0, /* Must be 0 */
@@ -135,12 +131,10 @@ struct MigrationState
QEMUBH *cleanup_bh;
QEMUFile *to_dst_file;
- /* New style params from 'migrate-set-parameters' */
+ /* params from 'migrate-set-parameters' */
MigrationParameters parameters;
int state;
- /* Old style params from 'migrate' command */
- MigrationParams params;
/* State related to return path */
struct {
@@ -234,7 +228,7 @@ void migrate_fd_connect(MigrationState *s);
void add_migration_state_change_notifier(Notifier *notify);
void remove_migration_state_change_notifier(Notifier *notify);
-MigrationState *migrate_init(const MigrationParams *params);
+MigrationState *migrate_init(void);
bool migration_is_blocked(Error **errp);
bool migration_in_setup(MigrationState *);
bool migration_is_idle(void);
diff --git a/include/migration/vmstate.h b/include/migration/vmstate.h
index f4bf3f1..81af5fb 100644
--- a/include/migration/vmstate.h
+++ b/include/migration/vmstate.h
@@ -37,7 +37,6 @@ typedef int LoadStateHandler(QEMUFile *f, void *opaque, int
version_id);
typedef struct SaveVMHandlers {
/* This runs inside the iothread lock. */
- void (*set_params)(const MigrationParams *params, void * opaque);
SaveStateHandler *save_state;
void (*cleanup)(void *opaque);
diff --git a/include/qemu/typedefs.h b/include/qemu/typedefs.h
index f08d327..a388243 100644
--- a/include/qemu/typedefs.h
+++ b/include/qemu/typedefs.h
@@ -49,7 +49,6 @@ typedef struct MemoryRegion MemoryRegion;
typedef struct MemoryRegionCache MemoryRegionCache;
typedef struct MemoryRegionSection MemoryRegionSection;
typedef struct MigrationIncomingState MigrationIncomingState;
-typedef struct MigrationParams MigrationParams;
typedef struct MigrationState MigrationState;
typedef struct Monitor Monitor;
typedef struct MonitorDef MonitorDef;
diff --git a/include/sysemu/sysemu.h b/include/sysemu/sysemu.h
index 058d5eb..3340202 100644
--- a/include/sysemu/sysemu.h
+++ b/include/sysemu/sysemu.h
@@ -102,8 +102,7 @@ enum qemu_vm_cmd {
#define MAX_VM_CMD_PACKAGED_SIZE (1ul << 24)
bool qemu_savevm_state_blocked(Error **errp);
-void qemu_savevm_state_begin(QEMUFile *f,
- const MigrationParams *params);
+void qemu_savevm_state_begin(QEMUFile *f);
void qemu_savevm_state_header(QEMUFile *f);
int qemu_savevm_state_iterate(QEMUFile *f, bool postcopy);
void qemu_savevm_state_cleanup(void);
diff --git a/migration/colo.c b/migration/colo.c
index 8c86892..dd38fed 100644
--- a/migration/colo.c
+++ b/migration/colo.c
@@ -348,7 +348,7 @@ static int colo_do_checkpoint_transaction(MigrationState *s,
/* Disable block migration */
migrate_set_block_enabled(false, &local_err);
qemu_savevm_state_header(fb);
- qemu_savevm_state_begin(fb, &s->params);
+ qemu_savevm_state_begin(fb);
qemu_mutex_lock_iothread();
qemu_savevm_state_complete_precopy(fb, false);
qemu_mutex_unlock_iothread();
diff --git a/migration/migration.c b/migration/migration.c
index c03f34e..e7633ff 100644
--- a/migration/migration.c
+++ b/migration/migration.c
@@ -1127,7 +1127,7 @@ bool migration_is_idle(void)
return false;
}
-MigrationState *migrate_init(const MigrationParams *params)
+MigrationState *migrate_init(void)
{
MigrationState *s = migrate_get_current();
@@ -1141,7 +1141,6 @@ MigrationState *migrate_init(const MigrationParams
*params)
s->cleanup_bh = 0;
s->to_dst_file = NULL;
s->state = MIGRATION_STATUS_NONE;
- s->params = *params;
s->rp_state.from_dst_file = NULL;
s->rp_state.error = false;
s->mbps = 0.0;
@@ -1245,7 +1244,6 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
{
Error *local_err = NULL;
MigrationState *s = migrate_get_current();
- MigrationParams params;
bool block_enabled = false;
const char *p;
@@ -1296,7 +1294,7 @@ void qmp_migrate(const char *uri, bool has_blk, bool blk,
s->must_remove_block_incremental = true;
}
- s = migrate_init(¶ms);
+ s = migrate_init();
if (strstart(uri, "tcp:", &p)) {
tcp_start_outgoing_migration(s, p, &local_err);
@@ -2020,7 +2018,7 @@ static void *migration_thread(void *opaque)
qemu_savevm_send_postcopy_advise(s->to_dst_file);
}
- qemu_savevm_state_begin(s->to_dst_file, &s->params);
+ qemu_savevm_state_begin(s->to_dst_file);
s->setup_time = qemu_clock_get_ms(QEMU_CLOCK_HOST) - setup_start;
migrate_set_state(&s->state, MIGRATION_STATUS_SETUP,
diff --git a/migration/savevm.c b/migration/savevm.c
index 5fc10ab..43118b3 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -966,21 +966,13 @@ void qemu_savevm_state_header(QEMUFile *f)
}
-void qemu_savevm_state_begin(QEMUFile *f,
- const MigrationParams *params)
+void qemu_savevm_state_begin(QEMUFile *f)
{
SaveStateEntry *se;
int ret;
trace_savevm_state_begin();
QTAILQ_FOREACH(se, &savevm_state.handlers, entry) {
- if (!se->ops || !se->ops->set_params) {
- continue;
- }
- se->ops->set_params(params, se->opaque);
- }
-
- QTAILQ_FOREACH(se, &savevm_state.handlers, entry) {
if (!se->ops || !se->ops->save_live_setup) {
continue;
}
@@ -1232,9 +1224,7 @@ void qemu_savevm_state_cleanup(void)
static int qemu_savevm_state(QEMUFile *f, Error **errp)
{
int ret;
- MigrationParams params = {
- };
- MigrationState *ms = migrate_init(¶ms);
+ MigrationState *ms = migrate_init();
MigrationStatus status;
ms->to_dst_file = f;
@@ -1251,7 +1241,7 @@ static int qemu_savevm_state(QEMUFile *f, Error **errp)
qemu_mutex_unlock_iothread();
qemu_savevm_state_header(f);
- qemu_savevm_state_begin(f, ¶ms);
+ qemu_savevm_state_begin(f);
qemu_mutex_lock_iothread();
while (qemu_file_get_error(f) == 0) {
--
2.9.3
- [Qemu-devel] [PATCH v4 0/5] Remove old MigrationParams, Juan Quintela, 2017/05/16
- [Qemu-devel] [PATCH 1/5] hmp: Use visitor api for hmp_migrate_set_parameter(), Juan Quintela, 2017/05/16
- [Qemu-devel] [PATCH 5/5] block migration: Allow compile time disable, Juan Quintela, 2017/05/16
- [Qemu-devel] [PATCH 4/5] migration: Remove old MigrationParams,
Juan Quintela <=
- [Qemu-devel] [PATCH 2/5] migration: Create block capability, Juan Quintela, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Markus Armbruster, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Juan Quintela, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Markus Armbruster, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Eric Blake, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Markus Armbruster, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Eric Blake, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Markus Armbruster, 2017/05/16
- Re: [Qemu-devel] [PATCH 2/5] migration: Create block capability, Juan Quintela, 2017/05/16
[Qemu-devel] [PATCH 3/5] migration: Remove use of old MigrationParams, Juan Quintela, 2017/05/16