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-rw-r--r--blockjob.c6
-rw-r--r--include/block/blockjob.h5
2 files changed, 10 insertions, 1 deletions
diff --git a/blockjob.c b/blockjob.c
index a402181835..9fc37ca965 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -296,7 +296,9 @@ static int block_job_finish_sync(BlockJob *job,
return -EBUSY;
}
while (!job->completed) {
- aio_poll(bdrv_get_aio_context(bs), true);
+ aio_poll(job->deferred_to_main_loop ? qemu_get_aio_context() :
+ bdrv_get_aio_context(bs),
+ true);
}
ret = (job->cancelled && job->ret == 0) ? -ECANCELED : job->ret;
block_job_unref(job);
@@ -470,6 +472,7 @@ static void block_job_defer_to_main_loop_bh(void *opaque)
aio_context = bdrv_get_aio_context(data->job->bs);
aio_context_acquire(aio_context);
+ data->job->deferred_to_main_loop = false;
data->fn(data->job, data->opaque);
aio_context_release(aio_context);
@@ -489,6 +492,7 @@ void block_job_defer_to_main_loop(BlockJob *job,
data->aio_context = bdrv_get_aio_context(job->bs);
data->fn = fn;
data->opaque = opaque;
+ job->deferred_to_main_loop = true;
qemu_bh_schedule(data->bh);
}
diff --git a/include/block/blockjob.h b/include/block/blockjob.h
index d84ccd8d2c..8bedc4936c 100644
--- a/include/block/blockjob.h
+++ b/include/block/blockjob.h
@@ -130,6 +130,11 @@ struct BlockJob {
*/
bool ready;
+ /**
+ * Set to true when the job has deferred work to the main loop.
+ */
+ bool deferred_to_main_loop;
+
/** Status that is published by the query-block-jobs QMP API */
BlockDeviceIoStatus iostatus;