Messages in this thread | | | From | James Bottomley <> | Subject | Re: [PATCH 1/1] [SCSI] Fix a bug in deriving the FLUSH_TIMEOUT from the basic I/O timeout | Date | Fri, 18 Jul 2014 16:57:13 +0000 |
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On Fri, 2014-07-18 at 16:44 +0000, KY Srinivasan wrote: > > > -----Original Message----- > > From: Christoph Hellwig (hch@infradead.org) [mailto:hch@infradead.org] > > Sent: Friday, July 18, 2014 8:11 AM > > To: KY Srinivasan > > Cc: Jens Axboe; James Bottomley; michaelc@cs.wisc.edu; Christoph Hellwig > > (hch@infradead.org); linux-scsi@vger.kernel.org; > > gregkh@linuxfoundation.org; jasowang@redhat.com; linux- > > kernel@vger.kernel.org; ohering@suse.com; apw@canonical.com; > > devel@linuxdriverproject.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
Actually, no you didn't. The difference is in the derivation of the timeout. Christoph's patch is absolute in terms of SD_TIMEOUT; yours is relative to the queue timeout setting ... I thought there was a reason for preferring the relative version.
James
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