commit aef4278c5a835c555ffe065f9e480190fd076675
author Fam Zheng <famz@redhat.com> Mon Apr 10 20:12:05 2017 +0800
committer Fam Zheng <famz@redhat.com> Tue Apr 11 20:07:15 2017 +0800
tree a09dc04998de736f6800c1d41e5ee78d75f3374e
parent 052a75721fb38b9aa0e71ea6420b462c0e356e74

blockjob: Use bdrv_coroutine_enter to start coroutine

Resuming and especially starting of the block job coroutine, could be issued in
the main thread.  However the coroutine's "home" ctx should be set to the same
context as job->blk. Use bdrv_coroutine_enter to ensure that.

Signed-off-by: Fam Zheng <famz@redhat.com>
Acked-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Kevin Wolf <kwolf@redhat.com>

blockjob.c

diff --git a/blockjob.c b/blockjob.c
index 9b619f385..6e48932 100644
--- a/blockjob.c
+++ b/blockjob.c
@@ -290,7 +290,7 @@
     job->pause_count--;
     job->busy = true;
     job->paused = false;
-    qemu_coroutine_enter(job->co);
+    bdrv_coroutine_enter(blk_bs(job->blk), job->co);
 }
 
 void block_job_ref(BlockJob *job)
@@ -532,7 +532,7 @@
 void block_job_enter(BlockJob *job)
 {
     if (job->co && !job->busy) {
-        qemu_coroutine_enter(job->co);
+        bdrv_coroutine_enter(blk_bs(job->blk), job->co);
     }
 }