Re: SCSI fix (a621bac3)missing in stable

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On Wed, Jun 29, 2016 at 02:36:08PM +0200, Jinpu Wang wrote:
> On Tue, Jun 21, 2016 at 5:31 PM, Jinpu Wang <jinpu.wang@xxxxxxxxxxxxxxxx> wrote:
> > On Tue, Jun 21, 2016 at 4:45 PM, James Bottomley
> > <jejb@xxxxxxxxxxxxxxxxxx> wrote:
> >> On Mon, 2016-06-20 at 12:23 +0200, Jinpu Wang wrote:
> >>> On Fri, Jun 17, 2016 at 5:51 PM, James Bottomley
> >>> <jejb@xxxxxxxxxxxxxxxxxx> wrote:
> >>> > On Fri, 2016-06-17 at 17:29 +0200, Jinpu Wang wrote:
> >>> > > On Wed, Jun 15, 2016 at 10:04 AM, Jinpu Wang
> >>> > > <jinpu.wang@xxxxxxxxxxxxxxxx> wrote:
> >>> > > > On Tue, Jun 14, 2016 at 10:03 PM, Greg KH <
> >>> > > > gregkh@xxxxxxxxxxxxxxxxxxx> wrote:
> >>> > > > > On Wed, Jun 08, 2016 at 06:47:40PM +0200, Jinpu Wang wrote:
> >>> > > > > > Hi all,
> >>> > > > > >
> >>> > > > > > We found the SCSI fix is missing in any stable only in
> >>> > > > > > linux
> >>> > > > > > 4.7-rc2
> >>> > > > > > [PATCH] scsi_lib: correctly retry failed zero length
> >>> > > > > > REQ_TYPE_FS
> >>> > > > > >  commands
> >>> > > > > >
> >>> > > > > > commit a621bac3044ed6f7ec5fa0326491b2d4838bfa93 upstream.
> >>> > > > > >
> >>> > > > > > So we backport & tested on linux-3.12 (as we're using this
> >>> > > > > > kernel).
> >>> > > > > > Could you review if we did it right?
> >>> > > > >
> >>> > > > > This "backport" includes a bunch of checks and comments that
> >>> > > > > are
> >>> > > > > not in
> >>> > > > > the upstream kernel, so I don't really want to include it in
> >>> > > > > the
> >>> > > > > 3.14-stable queue unless you get the scsi maintainers to ack
> >>> > > > > it.
> >>> > > > >
> >>> > > > > thanks,
> >>> > > > >
> >>> > > > > greg k-h
> >>> > > >
> >>> > > > Thanks Greg!
> >>> > > >
> >>> > > > Hi James, hi Martin
> >>> > > >
> >>> > > > Could you give your Ack on the patch?
> >>> > > >
> >>> > > > --
> >>> > >
> >>> > > Ping?
> >>> >
> >>> > How can I review this?  What you're proposing certainly isn't a
> >>> > backport.  What you're actually trying to do is to port around this
> >>> > commit:
> >>> >
> >>> > ommit bc85dc500f9df9b2eec15077e5046672c46adeaa
> >>> > Author: Christoph Hellwig <hch@xxxxxx>
> >>> > Date:   Thu May 1 16:51:03 2014 +0200
> >>> >
> >>> >     scsi: remove scsi_end_request
> >>> >
> >>> > Have you tried simply backporting that to your tree and then
> >>> > applying
> >>> > to work around?
> >>> >
> >>> > James
> >>> >
> >>>
> >>> Thanks James for suggestions.
> >>> I did backport bc85dc500, and backport a621bac3, it passed my local
> >>> tests.
> >>>
> >>> Could you review patches attached?
> >>
> >> I'm afraid 3.12 is way too old for me to remember the current state of
> >> play.  However, if those two patches backport unmodified and you've
> >> tested it, then you're good to go.
> >>
> >> James
> >>
> >>
> > Thanks James!
> >
> > Hi Greg,
> > Could pick up this 2 patches for 3.14? I tried locally, it can be
> > applied cleanly on top of 3.14.72
> >
> > And Jiri,
> > For 3.12, it can be applied cleanly on top of 3.12.61?
> 
> Hi Greg & Jiri,
> 
> A soft ping?

Please be patient, this is behind 150+ other patches at the moment...

greg k-h
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