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Re: [Qemu-devel] [PATCH v10 12/24] migration: Reference counting recv ch
From: |
Daniel P . Berrangé |
Subject: |
Re: [Qemu-devel] [PATCH v10 12/24] migration: Reference counting recv channels correctly |
Date: |
Wed, 7 Mar 2018 11:56:11 +0000 |
User-agent: |
Mutt/1.9.2 (2017-12-15) |
On Wed, Mar 07, 2018 at 11:59:58AM +0100, Juan Quintela wrote:
> Signed-off-by: Juan Quintela <address@hidden>
> ---
> migration/socket.c | 11 +++++++++++
> migration/socket.h | 7 +++++++
> 2 files changed, 18 insertions(+)
>
> diff --git a/migration/socket.c b/migration/socket.c
> index b12b0a462e..26110739cf 100644
> --- a/migration/socket.c
> +++ b/migration/socket.c
> @@ -27,6 +27,17 @@
> #include "io/channel-socket.h"
> #include "trace.h"
>
> +int socket_recv_channel_ref(QIOChannel *recv)
> +{
> + object_ref(OBJECT(recv));
> + return 0;
> +}
> +
> +int socket_recv_channel_unref(QIOChannel *recv)
> +{
> + object_unref(OBJECT(recv));
> + return 0;
> +}
These helpers don't really add any value IMHO - just call object_ref/unref
directly where needed. We don't provide explicit qio_channel_ref() wrappers
around object_ref because they add no value.
>
> static SocketAddress *tcp_build_address(const char *host_port, Error **errp)
> {
> diff --git a/migration/socket.h b/migration/socket.h
> index 6b91e9db38..638a85255a 100644
> --- a/migration/socket.h
> +++ b/migration/socket.h
> @@ -16,6 +16,13 @@
>
> #ifndef QEMU_MIGRATION_SOCKET_H
> #define QEMU_MIGRATION_SOCKET_H
> +
> +#include "io/channel.h"
> +#include "io/task.h"
> +
> +int socket_recv_channel_ref(QIOChannel *recv);
> +int socket_recv_channel_unref(QIOChannel *recv);
> +
> void tcp_start_incoming_migration(const char *host_port, Error **errp);
>
> void tcp_start_outgoing_migration(MigrationState *s, const char *host_port,
> --
> 2.14.3
>
>
Regards,
Daniel
--
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- [Qemu-devel] [PATCH v10 09/24] migration: Set error state in case of error, (continued)
- [Qemu-devel] [PATCH v10 04/24] migration: Set the migration tcp port, Juan Quintela, 2018/03/07
- [Qemu-devel] [PATCH v10 12/24] migration: Reference counting recv channels correctly, Juan Quintela, 2018/03/07
- Re: [Qemu-devel] [PATCH v10 12/24] migration: Reference counting recv channels correctly,
Daniel P . Berrangé <=
- [Qemu-devel] [PATCH v10 03/24] migration: Create tcp_port parameter, Juan Quintela, 2018/03/07
- [Qemu-devel] [PATCH v10 07/24] [RFH] tests: Add migration compress threads tests, Juan Quintela, 2018/03/07
- [Qemu-devel] [PATCH v10 06/24] tests: Add basic migration precopy tcp test, Juan Quintela, 2018/03/07
- [Qemu-devel] [PATCH v10 11/24] migration: terminate_* can be called for other threads, Juan Quintela, 2018/03/07
- [Qemu-devel] [PATCH v10 14/24] migration: Be sure all recv channels are created, Juan Quintela, 2018/03/07
- [Qemu-devel] [PATCH v10 01/24] tests: Add migration precopy test, Juan Quintela, 2018/03/07
- [Qemu-devel] [PATCH v10 10/24] migration: In case of error just end the migration, Juan Quintela, 2018/03/07