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migration: Allow migrate_fd_connect to take an Error * 

Allow whatever is performing the connection to pass migrate_fd_connect
an error to indicate there was a problem during connection, an allow
us to clean up.

The caller must free the error.

Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
Reviewed-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Juan Quintela <quintela@redhat.com>
Signed-off-by: Dr. David Alan Gilbert <dgilbert@redhat.com>
This commit is contained in:
Dr. David Alan Gilbert 2017-12-15 17:16:54 +00:00
parent 2b3805f370
commit cce8040bb0
4 changed files with 9 additions and 4 deletions
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2
migration/channel.c
View File

@ -78,6 +78,6 @@ void migration_channel_connect(MigrationState *s,
s->to_dst_file = f;
migrate_fd_connect(s);
migrate_fd_connect(s, NULL);
}
}

7
migration/migration.c
View File

@ -2378,10 +2378,15 @@ static void *migration_thread(void *opaque)
return NULL;
}
void migrate_fd_connect(MigrationState *s)
void migrate_fd_connect(MigrationState *s, Error *error_in)
{
s->expected_downtime = s->parameters.downtime_limit;
s->cleanup_bh = qemu_bh_new(migrate_fd_cleanup, s);
if (error_in) {
migrate_fd_error(s, error_in);
migrate_fd_cleanup(s);
return;
}
qemu_file_set_blocking(s->to_dst_file, true);
qemu_file_set_rate_limit(s->to_dst_file,

2
migration/migration.h
View File

@ -190,7 +190,7 @@ uint64_t migrate_max_downtime(void);
void migrate_set_error(MigrationState *s, const Error *error);
void migrate_fd_error(MigrationState *s, const Error *error);
void migrate_fd_connect(MigrationState *s);
void migrate_fd_connect(MigrationState *s, Error *error_in);
MigrationState *migrate_init(void);
bool migration_is_blocked(Error **errp);

2
migration/rdma.c
View File

@ -3758,7 +3758,7 @@ void rdma_start_outgoing_migration(void *opaque,
trace_rdma_start_outgoing_migration_after_rdma_connect();
s->to_dst_file = qemu_fopen_rdma(rdma, "wb");
migrate_fd_connect(s);
migrate_fd_connect(s, NULL);
return;
err:
g_free(rdma);