block: use the block job list in qmp_query_block_jobs()

qmp_query_block_jobs() uses bdrv_next() to look for block jobs, but
this function can only find those in top-level BlockDriverStates.

This patch uses block_job_next() instead.

Signed-off-by: Alberto Garcia <berto@igalia.com>
Message-id: a8b7e5497b7c1fa67c12fcceae1630d01c3b1f96.1464346103.git.berto@igalia.com
Reviewed-by: Max Reitz <mreitz@redhat.com>
Signed-off-by: Max Reitz <mreitz@redhat.com>

1 files changed, 8 insertions, 12 deletions

diff --git a/blockdev.c b/blockdev.c
index 11177b4fcc..1d498c7b19 100644
--- a/blockdev.c
+++ b/blockdev.c
@@ -4157,22 +4157,18 @@ void qmp_x_blockdev_change(const char *parent, bool has_child,
 BlockJobInfoList *qmp_query_block_jobs(Error **errp)
 {
     BlockJobInfoList *head = NULL, **p_next = &head;
-    BlockDriverState *bs;
-    BdrvNextIterator it;
+    BlockJob *job;
 
-    for (bs = bdrv_first(&it); bs; bs = bdrv_next(&it)) {
-        AioContext *aio_context = bdrv_get_aio_context(bs);
+    for (job = block_job_next(NULL); job; job = block_job_next(job)) {
+        BlockJobInfoList *elem = g_new0(BlockJobInfoList, 1);
+        AioContext *aio_context = blk_get_aio_context(job->blk);
 
         aio_context_acquire(aio_context);
-
-        if (bs->job) {
-            BlockJobInfoList *elem = g_new0(BlockJobInfoList, 1);
-            elem->value = block_job_query(bs->job);
-            *p_next = elem;
-            p_next = &elem->next;
-        }
-
+        elem->value = block_job_query(job);
         aio_context_release(aio_context);
+
+        *p_next = elem;
+        p_next = &elem->next;
     }
 
     return head;