[added to the 4.1 stable tree] workqueue: fix ghost PENDING flag while doing MQ IO

2016-05-18 Thread Sasha Levin
From: Roman Pen This patch has been added to the 4.1 stable tree. If you have any objections, please let us know. === [ Upstream commit 346c09f80459a3ad97df1816d6d606169a51001a ] The bug in a workqueue leads to a stalled IO request in MQ

[added to the 4.1 stable tree] workqueue: fix ghost PENDING flag while doing MQ IO

2016-05-18 Thread Sasha Levin
From: Roman Pen This patch has been added to the 4.1 stable tree. If you have any objections, please let us know. === [ Upstream commit 346c09f80459a3ad97df1816d6d606169a51001a ] The bug in a workqueue leads to a stalled IO request in MQ ctx->rq_list with the following backtrace: