block: use Error mechanism instead of -errno for block_job_set_speed()
There are at least two different errors that can occur in
block_job_set_speed(): the job might not support setting speeds or the
value might be invalid.
Use the Error mechanism to report the error where it occurs.
Signed-off-by: Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>
Acked-by: Kevin Wolf <kwolf@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
diff --git a/block.c b/block.c
index 2b72a0f..dc02736 100644
--- a/block.c
+++ b/block.c
@@ -4114,18 +4114,21 @@
bdrv_set_in_use(bs, 0);
}
-int block_job_set_speed(BlockJob *job, int64_t value)
+void block_job_set_speed(BlockJob *job, int64_t value, Error **errp)
{
- int rc;
+ Error *local_err = NULL;
if (!job->job_type->set_speed) {
- return -ENOTSUP;
+ error_set(errp, QERR_NOT_SUPPORTED);
+ return;
}
- rc = job->job_type->set_speed(job, value);
- if (rc == 0) {
- job->speed = value;
+ job->job_type->set_speed(job, value, &local_err);
+ if (error_is_set(&local_err)) {
+ error_propagate(errp, local_err);
+ return;
}
- return rc;
+
+ job->speed = value;
}
void block_job_cancel(BlockJob *job)