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From 59dfc370693ee7631f7b538660cfd30f213b0a86 Mon Sep 17 00:00:00 2001
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Message-Id: <59dfc370693ee7631f7b538660cfd30f213b0a86@dist-git>
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From: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
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Date: Fri, 1 Sep 2017 09:49:28 +0300
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Subject: [PATCH] qemu: introduce migrating job status
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Instead of checking stat.status let's set status to migrating
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as soon as migrate command is send (waiting for completion
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is a good place too).
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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(cherry picked from commit 5a274d4fdc0015909fa95e6667922bb249a95bd5)
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https://bugzilla.redhat.com/show_bug.cgi?id=1530130
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Conflicts:
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	src/qemu/qemu_migration.c
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            - commit e87d4b9e2f is not backported
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Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
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---
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 src/qemu/qemu_domain.c    | 1 +
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 src/qemu/qemu_domain.h    | 1 +
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 src/qemu/qemu_driver.c    | 4 +++-
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 src/qemu/qemu_migration.c | 9 +++++++--
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 4 files changed, 12 insertions(+), 3 deletions(-)
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diff --git a/src/qemu/qemu_domain.c b/src/qemu/qemu_domain.c
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index 4b1ead7d0a..e81d682c00 100644
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--- a/src/qemu/qemu_domain.c
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+++ b/src/qemu/qemu_domain.c
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@@ -397,6 +397,7 @@ qemuDomainJobStatusToType(qemuDomainJobStatus status)
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         break;
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     case QEMU_DOMAIN_JOB_STATUS_ACTIVE:
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+    case QEMU_DOMAIN_JOB_STATUS_MIGRATING:
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     case QEMU_DOMAIN_JOB_STATUS_POSTCOPY:
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         return VIR_DOMAIN_JOB_UNBOUNDED;
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diff --git a/src/qemu/qemu_domain.h b/src/qemu/qemu_domain.h
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index c8b3873b9f..0cf54d99ae 100644
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--- a/src/qemu/qemu_domain.h
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+++ b/src/qemu/qemu_domain.h
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@@ -102,6 +102,7 @@ VIR_ENUM_DECL(qemuDomainAsyncJob)
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 typedef enum {
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     QEMU_DOMAIN_JOB_STATUS_NONE = 0,
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     QEMU_DOMAIN_JOB_STATUS_ACTIVE,
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+    QEMU_DOMAIN_JOB_STATUS_MIGRATING,
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     QEMU_DOMAIN_JOB_STATUS_POSTCOPY,
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     QEMU_DOMAIN_JOB_STATUS_COMPLETED,
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     QEMU_DOMAIN_JOB_STATUS_FAILED,
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diff --git a/src/qemu/qemu_driver.c b/src/qemu/qemu_driver.c
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index 8972897a28..931f3d344d 100644
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--- a/src/qemu/qemu_driver.c
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+++ b/src/qemu/qemu_driver.c
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@@ -12934,7 +12934,8 @@ qemuDomainGetJobStatsInternal(virQEMUDriverPtr driver,
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         fetch = false;
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     /* Do not ask QEMU if migration is not even running yet  */
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-    if (!priv->job.current || !priv->job.current->stats.status)
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+    if (!priv->job.current ||
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+        priv->job.current->status == QEMU_DOMAIN_JOB_STATUS_ACTIVE)
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         fetch = false;
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     if (fetch) {
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@@ -12970,6 +12971,7 @@ qemuDomainGetJobStatsInternal(virQEMUDriverPtr driver,
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     *jobInfo = *info;
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     if (jobInfo->status == QEMU_DOMAIN_JOB_STATUS_ACTIVE ||
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+        jobInfo->status == QEMU_DOMAIN_JOB_STATUS_MIGRATING ||
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         jobInfo->status == QEMU_DOMAIN_JOB_STATUS_POSTCOPY) {
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         if (fetch)
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             ret = qemuMigrationFetchJobStatus(driver, vm, QEMU_ASYNC_JOB_NONE,
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diff --git a/src/qemu/qemu_migration.c b/src/qemu/qemu_migration.c
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index 9f7aad6680..c8cd7ebfa3 100644
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--- a/src/qemu/qemu_migration.c
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+++ b/src/qemu/qemu_migration.c
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@@ -1460,6 +1460,7 @@ qemuMigrationCheckJobStatus(virQEMUDriverPtr driver,
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         break;
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     case QEMU_DOMAIN_JOB_STATUS_ACTIVE:
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+    case QEMU_DOMAIN_JOB_STATUS_MIGRATING:
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     case QEMU_DOMAIN_JOB_STATUS_POSTCOPY:
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         break;
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     }
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@@ -1532,7 +1533,8 @@ qemuMigrationCompleted(virQEMUDriverPtr driver,
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         return 0;
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  error:
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-    if (jobInfo->status == QEMU_DOMAIN_JOB_STATUS_ACTIVE ||
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+    /* state can not be active at this point */
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+    if (jobInfo->status == QEMU_DOMAIN_JOB_STATUS_MIGRATING ||
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         jobInfo->status == QEMU_DOMAIN_JOB_STATUS_POSTCOPY) {
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         /* The migration was aborted by us rather than QEMU itself. */
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         jobInfo->status = QEMU_DOMAIN_JOB_STATUS_FAILED;
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@@ -1563,6 +1565,8 @@ qemuMigrationWaitForCompletion(virQEMUDriverPtr driver,
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     flags |= QEMU_MIGRATION_COMPLETED_UPDATE_STATS;
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+    jobInfo->status = QEMU_DOMAIN_JOB_STATUS_MIGRATING;
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+
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     while ((rv = qemuMigrationCompleted(driver, vm, asyncJob,
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                                         dconn, flags)) != 1) {
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         if (rv < 0)
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@@ -3879,7 +3883,8 @@ qemuMigrationRun(virQEMUDriverPtr driver,
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         ignore_value(virTimeMillisNow(&priv->job.completed->sent));
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     }
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-    if (priv->job.current->status == QEMU_DOMAIN_JOB_STATUS_ACTIVE)
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+    if (priv->job.current->status == QEMU_DOMAIN_JOB_STATUS_ACTIVE ||
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+        priv->job.current->status == QEMU_DOMAIN_JOB_STATUS_MIGRATING)
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         priv->job.current->status = QEMU_DOMAIN_JOB_STATUS_FAILED;
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     cookieFlags |= QEMU_MIGRATION_COOKIE_NETWORK |
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-- 
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2.15.1
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