[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]
Re: [PATCH v9 5/7] multifd: multifd_send_sync_main now returns negative
From: |
Daniel P . Berrangé |
Subject: |
Re: [PATCH v9 5/7] multifd: multifd_send_sync_main now returns negative on error |
Date: |
Tue, 26 Apr 2022 09:01:02 +0100 |
User-agent: |
Mutt/2.1.5 (2021-12-30) |
On Mon, Apr 25, 2022 at 06:50:54PM -0300, Leonardo Bras wrote:
> Even though multifd_send_sync_main() currently emits error_reports, it's
> callers don't really check it before continuing.
>
> Change multifd_send_sync_main() to return -1 on error and 0 on success.
> Also change all it's callers to make use of this change and possibly fail
> earlier.
>
> (This change is important to next patch on multifd zero copy
> implementation, to make it sure an error in zero-copy flush does not go
> unnoticed.
>
> Signed-off-by: Leonardo Bras <leobras@redhat.com>
> ---
> migration/multifd.h | 2 +-
> migration/multifd.c | 10 ++++++----
> migration/ram.c | 29 ++++++++++++++++++++++-------
> 3 files changed, 29 insertions(+), 12 deletions(-)
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
With regards,
Daniel
--
|: https://berrange.com -o- https://www.flickr.com/photos/dberrange :|
|: https://libvirt.org -o- https://fstop138.berrange.com :|
|: https://entangle-photo.org -o- https://www.instagram.com/dberrange :|
- [PATCH v9 0/7] MSG_ZEROCOPY + multifd, Leonardo Bras, 2022/04/25
- [PATCH v9 3/7] migration: Add zero-copy-send parameter for QMP/HMP for Linux, Leonardo Bras, 2022/04/25
- [PATCH v9 1/7] QIOChannel: Add flags on io_writev and introduce io_flush callback, Leonardo Bras, 2022/04/25
- [PATCH v9 5/7] multifd: multifd_send_sync_main now returns negative on error, Leonardo Bras, 2022/04/25
- [PATCH v9 4/7] migration: Add migrate_use_tls() helper, Leonardo Bras, 2022/04/25
- [PATCH v9 2/7] QIOChannelSocket: Implement io_writev zero copy flag & io_flush for CONFIG_LINUX, Leonardo Bras, 2022/04/25
- [PATCH v9 6/7] multifd: Send header packet without flags if zero-copy-send is enabled, Leonardo Bras, 2022/04/25
- [PATCH v9 7/7] multifd: Implement zero copy write in multifd migration (multifd-zero-copy), Leonardo Bras, 2022/04/25