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[PULL 09/14] block/mirror: implement .cancel job handler
From: |
Eric Blake |
Subject: |
[PULL 09/14] block/mirror: implement .cancel job handler |
Date: |
Fri, 12 Feb 2021 14:16:14 -0600 |
From: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Cancel in-flight io on target to not waste the time.
Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Message-Id: <20210205163720.887197-6-vsementsov@virtuozzo.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
---
block/mirror.c | 9 +++++++++
1 file changed, 9 insertions(+)
diff --git a/block/mirror.c b/block/mirror.c
index 8e1ad6eceb57..9faffe470774 100644
--- a/block/mirror.c
+++ b/block/mirror.c
@@ -1179,6 +1179,14 @@ static bool mirror_drained_poll(BlockJob *job)
return !!s->in_flight;
}
+static void mirror_cancel(Job *job)
+{
+ MirrorBlockJob *s = container_of(job, MirrorBlockJob, common.job);
+ BlockDriverState *target = blk_bs(s->target);
+
+ bdrv_cancel_in_flight(target);
+}
+
static const BlockJobDriver mirror_job_driver = {
.job_driver = {
.instance_size = sizeof(MirrorBlockJob),
@@ -1190,6 +1198,7 @@ static const BlockJobDriver mirror_job_driver = {
.abort = mirror_abort,
.pause = mirror_pause,
.complete = mirror_complete,
+ .cancel = mirror_cancel,
},
.drained_poll = mirror_drained_poll,
};
--
2.30.1
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