[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [Qemu-devel] [PATCH] migration: invalidate cache before source start
From: |
Dr. David Alan Gilbert |
Subject: |
Re: [Qemu-devel] [PATCH] migration: invalidate cache before source start |
Date: |
Fri, 15 Jun 2018 13:06:50 +0100 |
User-agent: |
Mutt/1.10.0 (2018-05-17) |
* Vladimir Sementsov-Ogievskiy (address@hidden) wrote:
> Invalidate cache before source start in case of failed migration.
>
> Signed-off-by: Vladimir Sementsov-Ogievskiy <address@hidden>
Why doesn't the code at the bottom of migration_completion,
fail_invalidate: and the code in migrate_fd_cancel handle this?
What case did you see it in that those didn't handle?
(Also I guess it probably should set s->block_inactive = false)
Dave
> ---
>
> migration/migration.c | 9 ++++++++-
> 1 file changed, 8 insertions(+), 1 deletion(-)
>
> diff --git a/migration/migration.c b/migration/migration.c
> index 1e99ec9b7e..8f39e0dc02 100644
> --- a/migration/migration.c
> +++ b/migration/migration.c
> @@ -2806,7 +2806,14 @@ static void migration_iteration_finish(MigrationState
> *s)
> case MIGRATION_STATUS_FAILED:
> case MIGRATION_STATUS_CANCELLED:
> if (s->vm_was_running) {
> - vm_start();
> + Error *local_err = NULL;
> + bdrv_invalidate_cache_all(&local_err);
> + if (local_err) {
> + error_reportf_err(local_err, "Can't invalidate disks before "
> + "source vm start");
> + } else {
> + vm_start();
> + }
> } else {
> if (runstate_check(RUN_STATE_FINISH_MIGRATE)) {
> runstate_set(RUN_STATE_POSTMIGRATE);
> --
> 2.11.1
>
--
Dr. David Alan Gilbert / address@hidden / Manchester, UK
- [Qemu-devel] [PATCH] migration: invalidate cache before source start, Vladimir Sementsov-Ogievskiy, 2018/06/09
- Re: [Qemu-devel] [PATCH] migration: invalidate cache before source start,
Dr. David Alan Gilbert <=
- Re: [Qemu-devel] [PATCH] migration: invalidate cache before source start, Vladimir Sementsov-Ogievskiy, 2018/06/15
- Re: [Qemu-devel] [PATCH] migration: invalidate cache before source start, John Snow, 2018/06/22
- Re: [Qemu-devel] [PATCH] migration: invalidate cache before source start, Dr. David Alan Gilbert, 2018/06/25
- Re: [Qemu-devel] [PATCH] migration: invalidate cache before source start, Dr. David Alan Gilbert, 2018/06/25
- Re: [Qemu-devel] [PATCH] migration: invalidate cache before source start, John Snow, 2018/06/25
- Re: [Qemu-devel] [PATCH] migration: invalidate cache before source start, Vladimir Sementsov-Ogievskiy, 2018/06/26
- Re: [Qemu-devel] [PATCH] migration: invalidate cache before source start, Dr. David Alan Gilbert, 2018/06/26
- Re: [Qemu-devel] [PATCH] migration: invalidate cache before source start, Vladimir Sementsov-Ogievskiy, 2018/06/26