linux-kernel - RE: [PATCH 1/1] [SCSI] Fix a bug in deriving the FLUSH

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Date:	Fri, 18 Jul 2014 16:44:14 +0000
From:	KY Srinivasan <kys@...rosoft.com>
To:	"Christoph Hellwig (hch@...radead.org)" <hch@...radead.org>
CC:	Jens Axboe <axboe@...nel.dk>,
	James Bottomley <jbottomley@...allels.com>,
	"michaelc@...wisc.edu" <michaelc@...wisc.edu>,
	"linux-scsi@...r.kernel.org" <linux-scsi@...r.kernel.org>,
	"gregkh@...uxfoundation.org" <gregkh@...uxfoundation.org>,
	"jasowang@...hat.com" <jasowang@...hat.com>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"ohering@...e.com" <ohering@...e.com>,
	"apw@...onical.com" <apw@...onical.com>,
	"devel@...uxdriverproject.org" <devel@...uxdriverproject.org>
Subject: RE: [PATCH 1/1] [SCSI] Fix a bug in deriving the FLUSH_TIMEOUT from
 the basic I/O timeout



> -----Original Message-----
> From: Christoph Hellwig (hch@...radead.org) [mailto:hch@...radead.org]
> Sent: Friday, July 18, 2014 8:11 AM
> To: KY Srinivasan
> Cc: Jens Axboe; James Bottomley; michaelc@...wisc.edu; Christoph Hellwig
> (hch@...radead.org); linux-scsi@...r.kernel.org;
> gregkh@...uxfoundation.org; jasowang@...hat.com; linux-
> kernel@...r.kernel.org; ohering@...e.com; apw@...onical.com;
> devel@...uxdriverproject.org
> Subject: Re: [PATCH 1/1] [SCSI] Fix a bug in deriving the FLUSH_TIMEOUT
> from the basic I/O timeout
> 
> On Thu, Jul 17, 2014 at 11:53:33PM +0000, KY Srinivasan wrote:
> > I still see this problem. There was talk of fixing it elsewhere.
> 
> Well, what we have right not is entirely broken, given that the block layer
> doesn't initialize ->timeout on TYPE_FS requeuests.
> 
> We either need to revert that initial commit or apply something like the
> attached patch as a quick fix.
I had sent this exact patch sometime back:

http://www.spinics.net/lists/linux-scsi/msg75385.html

K. Y


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