diff options
Diffstat (limited to 'migration')
| -rw-r--r-- | migration/block.c | 12 | ||||
| -rw-r--r-- | migration/migration.c | 5 | ||||
| -rw-r--r-- | migration/ram.c | 8 |
3 files changed, 17 insertions, 8 deletions
diff --git a/migration/block.c b/migration/block.c index 1f03946797..41b95d1dd8 100644 --- a/migration/block.c +++ b/migration/block.c @@ -36,7 +36,7 @@ #define MAX_IS_ALLOCATED_SEARCH (65536 * BDRV_SECTOR_SIZE) -#define MAX_INFLIGHT_IO 512 +#define MAX_IO_BUFFERS 512 //#define DEBUG_BLK_MIGRATION @@ -331,11 +331,10 @@ static int mig_save_device_bulk(QEMUFile *f, BlkMigDevState *bmds) */ qemu_mutex_lock_iothread(); aio_context_acquire(blk_get_aio_context(bmds->blk)); - blk->aiocb = blk_aio_preadv(bb, cur_sector * BDRV_SECTOR_SIZE, &blk->qiov, - 0, blk_mig_read_cb, blk); - bdrv_reset_dirty_bitmap(bmds->dirty_bitmap, cur_sector * BDRV_SECTOR_SIZE, nr_sectors * BDRV_SECTOR_SIZE); + blk->aiocb = blk_aio_preadv(bb, cur_sector * BDRV_SECTOR_SIZE, &blk->qiov, + 0, blk_mig_read_cb, blk); aio_context_release(blk_get_aio_context(bmds->blk)); qemu_mutex_unlock_iothread(); @@ -776,9 +775,8 @@ static int block_save_iterate(QEMUFile *f, void *opaque) while ((block_mig_state.submitted + block_mig_state.read_done) * BLOCK_SIZE < qemu_file_get_rate_limit(f) && - (block_mig_state.submitted + - block_mig_state.read_done) < - MAX_INFLIGHT_IO) { + (block_mig_state.submitted + block_mig_state.read_done) < + MAX_IO_BUFFERS) { blk_mig_unlock(); if (block_mig_state.bulk_completed == 0) { /* first finish the bulk phase */ diff --git a/migration/migration.c b/migration/migration.c index e345d0cc7e..6a4780ef6f 100644 --- a/migration/migration.c +++ b/migration/migration.c @@ -747,13 +747,15 @@ void qmp_migrate_set_capabilities(MigrationCapabilityStatusList *params, { MigrationState *s = migrate_get_current(); MigrationCapabilityStatusList *cap; + bool cap_list[MIGRATION_CAPABILITY__MAX]; if (migration_is_setup_or_active(s->state)) { error_setg(errp, QERR_MIGRATION_ACTIVE); return; } - if (!migrate_caps_check(s->enabled_capabilities, params, errp)) { + memcpy(cap_list, s->enabled_capabilities, sizeof(cap_list)); + if (!migrate_caps_check(cap_list, params, errp)) { return; } @@ -2541,6 +2543,7 @@ static void migration_instance_finalize(Object *obj) g_free(params->tls_hostname); g_free(params->tls_creds); qemu_sem_destroy(&ms->pause_sem); + error_free(ms->error); } static void migration_instance_init(Object *obj) diff --git a/migration/ram.c b/migration/ram.c index 3b6c077964..7266351fd0 100644 --- a/migration/ram.c +++ b/migration/ram.c @@ -2258,6 +2258,13 @@ static int ram_save_iterate(QEMUFile *f, void *opaque) int64_t t0; int done = 0; + if (blk_mig_bulk_active()) { + /* Avoid transferring ram during bulk phase of block migration as + * the bulk phase will usually take a long time and transferring + * ram updates during that time is pointless. */ + goto out; + } + rcu_read_lock(); if (ram_list.version != rs->last_version) { ram_state_reset(rs); @@ -2304,6 +2311,7 @@ static int ram_save_iterate(QEMUFile *f, void *opaque) */ ram_control_after_iterate(f, RAM_CONTROL_ROUND); +out: qemu_put_be64(f, RAM_SAVE_FLAG_EOS); ram_counters.transferred += 8; |