Re: [PATCH] Revert "scsi-mq: Always unprepare before requeuing a request"

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Bart Van Assche <Bart.VanAssche@xxxxxxx> writes:

> On Wed, 2017-08-16 at 22:51 -0400, Martin K. Petersen wrote:
>> > When I checked earlier today the ipr patch was not yet in linux-next
>> 
>> That's weird. They were both committed two weeks ago.
>> 
>> They appear to be in there now, though:
>> 
>> https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git/log/drivers/scsi?ofs=50
>
> Hello Martin,
>
> As far as I can see commit 270065e92c31 ("scsi-mq: Always unprepare before
> requeuing a request") was yesterday in linux-next but not the ipr fix
> (commit b0e17a9b0df2 ("scsi: ipr: Fix scsi-mq lockdep issue")). The
> ipr fix is in today's linux-next but was not in linux-next yesterday (the
> Australian time zone applies to the linux-next date labels):
> $ git tag --contains 270065e92c31
> next-20170816
> $ git tag --contains b0e17a9b0df2
> next-20170817
> $ git show next-20170816 | head -3
> tag next-20170816
> Tagger: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date:   Wed Aug 16 15:26:43 2017 +1000
> $ git show next-20170817 | head -3  
> tag next-20170817
> Tagger: Stephen Rothwell <sfr@xxxxxxxxxxxxxxxx>
> Date:   Thu Aug 17 16:34:30 2017 +1000
>
> I think this means that the ipr fix went upstream before it ended up in
> linux-next.

It was in linux-next, but as a different commit. I don't know why.

$ git log -1 --format=oneline next-20170816 drivers/scsi/ipr.c
48b580cacfae123471f8cd43ca81b0e53c9cf702 scsi: ipr: Fix scsi-mq lockdep issue


$ git tag --contains 48b580cacfae123471f8cd43ca81b0e53c9cf702
next-20170809
next-20170810
next-20170811
next-20170815
next-20170816


cheers



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