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Date:   Wed, 8 Nov 2017 23:38:29 -0600
From:   Stuart Hayes <stuart.w.hayes@...il.com>
To:     "James E . J . Bottomley" <jejb@...ux.vnet.ibm.com>,
        "Martin K . Petersen" <martin.petersen@...cle.com>,
        Pavel Tikhomirov <ptikhomirov@...tuozzo.com>
Cc:     linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
        Konstantin Khorenko <khorenko@...tuozzo.com>, devel@...nvz.org,
        Christoph Hellwig <hch@....de>
Subject: Re: [PATCH] scsi/eh: fix hang adding ehandler wakeups after
 decrementing host_busy


Are there any issues with this patch (https://patchwork.kernel.org/patch/9938919/) that Pavel Tikhomirov submitted back in September?  I am willing to help if there's anything I can do to help get it accepted.

The failing case I'm working on involves lots of servers with disk read/write activity with periodic INQUIRY commands that aren't supported by the target device, so the error handler gets invoked periodically, and some of the systems will hang after a day or two.

Thanks
Stuart

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