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qemu: Allow virDomainBlockJobSetSpeed during migration

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When a migration with non-shared storage is started with
VIR_MIGRATE_PARAM_BANDWIDTH set, it will be applied to both memory
migration and each block job started for storage migration. Once the
migration is running virDomainMigrateSetMaxSpeed may be used to change
the bandwidth used by memory migration, but there was no way of changing
storage migration speed. Let's allow virDomainBlockJobSetSpeed during
migration to enable the missing functionality.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Jiri Denemark 2025-01-24 13:26:39 +01:00
parent d9fca42e40
commit 8b1578ab4b
2 changed files with 8 additions and 5 deletions
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11
src/conf/virdomainjob.h
View File

@ -37,10 +37,13 @@ typedef enum {
VIR_JOB_MODIFY, /* May change state */
VIR_JOB_ABORT, /* Abort current async job */
VIR_JOB_MIGRATION_OP, /* Operation influencing outgoing migration */
VIR_JOB_MODIFY_MIGRATION_SAFE, /* Internal only job for event handlers which
need to be processed even during migration.
The code may only change state in a way
that does not affect migration. */
VIR_JOB_MODIFY_MIGRATION_SAFE, /* Modify job that is safe to be run during
migration. The code may only change state
in a way that does not affect migration.
Used in event handlers which need to be
processed even during migration or for
setting block job speed when migrating
with non-shared storage. */
/* The following two items must always be the last items before JOB_LAST */
VIR_JOB_ASYNC, /* Asynchronous job */

2
src/qemu/qemu_driver.c
View File

@ -13982,7 +13982,7 @@ qemuDomainBlockJobSetSpeed(virDomainPtr dom,
if (virDomainBlockJobSetSpeedEnsureACL(dom->conn, vm->def) < 0)
goto cleanup;
if (virDomainObjBeginJob(vm, VIR_JOB_MODIFY) < 0)
if (virDomainObjBeginJob(vm, VIR_JOB_MODIFY_MIGRATION_SAFE) < 0)
goto cleanup;
if (virDomainObjCheckActive(vm) < 0)