linux-kernel - Re: [PATCH v4 00/24] Prep work for immutable bio vecs

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Message-ID: <20121019151628.GA9496@redhat.com>
Date:	Fri, 19 Oct 2012 11:16:28 -0400
From:	Mike Snitzer <snitzer@...hat.com>
To:	Tejun Heo <tj@...nel.org>
Cc:	Kent Overstreet <koverstreet@...gle.com>, axboe@...nel.dk,
	dm-devel@...hat.com, linux-kernel@...r.kernel.org,
	linux-bcache@...r.kernel.org, vgoyal@...hat.com
Subject: Re: [PATCH v4 00/24] Prep work for immutable bio vecs

On Thu, Oct 18 2012 at  9:14pm -0400,
Tejun Heo <tj@...nel.org> wrote:

> Hello,
> 
> On Mon, Oct 15, 2012 at 01:08:34PM -0700, Kent Overstreet wrote:
> > Since last time - split bio integrity stuff out into its own 2 patch series.
> > 
> > Also changed bio_advance() a bit - it now explicitly special cases discard and
> > WRITE_SAME requests, so that partial completions will work. Previously, partial
> > completions worked for other requests but would've silently blown up for those
> > - this'll be of use later too, for generic bio splitting.
> > 
> > I've got 3 patch series queued up but they all should be independent - git tree
> > is at
> > 
> > http://evilpiepirate.org/git/linux-bcache.git for-jens
> > 
> > It's on top of jens' for-next branch.
> 
> Your patch series posting is messed up somehow.  I'm gonna review from
> the git branch and post comments here but you'll probably have to post
> them again.

Kent's threading was definitely messed up in this wave.  But threading
aside, I think all the posted patches are what he intended.

Looks like the "3 patch series" mentioned above map to:

[PATCH v2 00/26] Prep work for immutable bio vecs
[PATCH v4 00/24] Prep work for immutable bio vecs
[PATCH v4 1/2] block: Fix a buffer overrun in bio_integrity_split()

So you can key off of "v2 xx/26" vs "v4 xx/24" vs "v4 x/2"

But, yeah, not ideal..
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