Change the manual deferment to stream_complete into the implicit
callback to job_exit.
Signed-off-by: John Snow <js...@redhat.com>
---
block/stream.c | 23 ++++++++---------------
1 file changed, 8 insertions(+), 15 deletions(-)
diff --git a/block/stream.c b/block/stream.c
index a5d6e0cf8a..163cd6431c 100644
--- a/block/stream.c
+++ b/block/stream.c
@@ -54,20 +54,16 @@ static int coroutine_fn stream_populate(BlockBackend *blk,
return blk_co_preadv(blk, offset, qiov.size, &qiov, BDRV_REQ_COPY_ON_READ);
}
-typedef struct {
- int ret;
-} StreamCompleteData;
-
-static void stream_complete(Job *job, void *opaque)
+static void stream_exit(Job *job)
{
StreamBlockJob *s = container_of(job, StreamBlockJob, common.job);
BlockJob *bjob = &s->common;
- StreamCompleteData *data = opaque;
BlockDriverState *bs = blk_bs(bjob->blk);
BlockDriverState *base = s->base;
Error *local_err = NULL;
+ int ret = job->ret;
- if (!job_is_cancelled(job) && bs->backing && data->ret == 0) {
+ if (!job_is_cancelled(job) && bs->backing && ret == 0) {
const char *base_id = NULL, *base_fmt = NULL;
if (base) {
base_id = s->backing_file_str;
@@ -75,11 +71,11 @@ static void stream_complete(Job *job, void *opaque)
base_fmt = base->drv->format_name;
}
}
- data->ret = bdrv_change_backing_file(bs, base_id, base_fmt);
+ ret = bdrv_change_backing_file(bs, base_id, base_fmt);
bdrv_set_backing_hd(bs, base, &local_err);
if (local_err) {
error_report_err(local_err);
- data->ret = -EPERM;
+ ret = -EPERM;
goto out;
}
}
@@ -93,14 +89,12 @@ out:
}
g_free(s->backing_file_str);
- job_completed(job, data->ret);
- g_free(data);
+ job->ret = ret;
}
static void coroutine_fn stream_run(void *opaque)
{
StreamBlockJob *s = opaque;
- StreamCompleteData *data;
BlockBackend *blk = s->common.blk;
BlockDriverState *bs = blk_bs(blk);
BlockDriverState *base = s->base;
@@ -203,9 +197,7 @@ static void coroutine_fn stream_run(void *opaque)
out:
/* Modify backing chain and close BDSes in main loop */
- data = g_malloc(sizeof(*data));
- data->ret = ret;
- job_defer_to_main_loop(&s->common.job, stream_complete, data);
+ s->common.job.ret = ret;
}
static const BlockJobDriver stream_job_driver = {
@@ -214,6 +206,7 @@ static const BlockJobDriver stream_job_driver = {
.job_type = JOB_TYPE_STREAM,
.free = block_job_free,
.start = stream_run,
+ .exit = stream_exit,
.user_resume = block_job_user_resume,
.drain = block_job_drain,
},
--
2.14.4
