linux-kernel - Re: [PATCH 00/35 v2] separate operations from flags in the bio/request structs

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Message-ID: <20160107031341.GC32200@dastard>
Date:	Thu, 7 Jan 2016 14:13:41 +1100
From:	Dave Chinner <david@...morbit.com>
To:	"Martin K. Petersen" <martin.petersen@...cle.com>
Cc:	mchristi@...hat.com, linux-f2fs-devel@...ts.sourceforge.net,
	linux-ext4@...r.kernel.org, konrad.wilk@...cle.com,
	drbd-dev@...ts.linbit.com, philipp.reisner@...bit.com,
	lars.ellenberg@...bit.com, linux-raid@...r.kernel.org,
	dm-devel@...hat.com, linux-fsdevel@...r.kernel.org,
	linux-bcache@...r.kernel.org, linux-block@...r.kernel.org,
	linux-kernel@...r.kernel.org, linux-scsi@...r.kernel.org,
	linux-mtd@...ts.infradead.org, target-devel@...r.kernel.org,
	linux-btrfs@...r.kernel.org, osd-dev@...n-osd.org, xfs@....sgi.com,
	ocfs2-devel@....oracle.com
Subject: Re: [PATCH 00/35 v2] separate operations from flags in the
 bio/request structs

On Wed, Jan 06, 2016 at 08:40:09PM -0500, Martin K. Petersen wrote:
> >>>>> "Mike" == mchristi  <mchristi@...hat.com> writes:
> 
> Mike> The following patches begin to cleanup the request->cmd_flags and
> bio-> bi_rw mess. We currently use cmd_flags to specify the operation,
> Mike> attributes and state of the request. For bi_rw we use it for
> Mike> similar info and also the priority but then also have another
> Mike> bi_flags field for state. At some point, we abused them so much we
> Mike> just made cmd_flags 64 bits, so we could add more.
> 
> Mike> The following patches seperate the operation (read, write discard,
> Mike> flush, etc) from cmd_flags/bi_rw.
> 
> Mike> This patchset was made against linux-next from today Jan 5 2016.
> Mike> (git tag next-20160105).
> 
> Very nice work. Thanks for doing this!
> 
> I think it's a much needed cleanup. I focused mainly on the core block,
> discard, write same and sd.c pieces and everything looks sensible to me.
> 
> I wonder what the best approach is to move a patch set with this many
> stakeholders forward? Set a "speak now or forever hold your peace"
> review deadline?

I say just ask Linus to pull it immediately after the next merge
window closes....

Cheers,

Dave.
-- 
Dave Chinner
david@...morbit.com
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