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-rw-r--r--drivers/block/ublk_drv.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/block/ublk_drv.c b/drivers/block/ublk_drv.c
index 17896172b0fe..685a43b7ae6e 100644
--- a/drivers/block/ublk_drv.c
+++ b/drivers/block/ublk_drv.c
@@ -605,8 +605,9 @@ static void ublk_complete_rq(struct request *req)
}
/*
- * __ublk_fail_req() may be called from abort context or ->ubq_daemon
- * context during exiting, so lock is required.
+ * Since __ublk_rq_task_work always fails requests immediately during
+ * exiting, __ublk_fail_req() is only called from abort context during
+ * exiting. So lock is unnecessary.
*
* Also aborting may not be started yet, keep in mind that one failed
* request may be issued by block layer again.