linux-kernel - Re: 2.6.23-rc7-mm1

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Message-ID: <20070925112324.GY2367@kernel.dk>
Date:	Tue, 25 Sep 2007 13:23:24 +0200
From:	Jens Axboe <jens.axboe@...cle.com>
To:	Mel Gorman <mel@...net.ie>
Cc:	Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, neilb@...e.de,
	Geert.Uytterhoeven@...ycom.com, geoffrey.levand@...sony.com
Subject: Re: 2.6.23-rc7-mm1

On Tue, Sep 25 2007, Mel Gorman wrote:
> On (25/09/07 12:31), Jens Axboe didst pronounce:
> > On Tue, Sep 25 2007, Mel Gorman wrote:
> > > On (25/09/07 01:11), Kamalesh Babulal didst pronounce:
> > > 
> > > Hi Kamalesh,
> > > 
> > > > The build fails with following error
> > > > 
> > > > CC drivers/block/ps3disk.o
> > > > drivers/block/ps3disk.c: In function ???ps3disk_scatter_gather???:
> > > > drivers/block/ps3disk.c:115: error: ???bio??? undeclared (first use in this
> > > > function)
> > > > drivers/block/ps3disk.c:115: error: (Each undeclared identifier is
> > > > reported only once
> > > > drivers/block/ps3disk.c:115: error: for each function it appears in.)
> > > > drivers/block/ps3disk.c:115: error: ???j??? undeclared (first use in this
> > > > function)
> > > > drivers/block/ps3disk.c:116: error: implicit declaration of function
> > > > ???bio_kunmap_bvec???
> > > > make[2]: *** [drivers/block/ps3disk.o] Error 1
> > > > make[1]: *** [drivers/block] Error 2
> > > > make: *** [drivers] Error 2
> > > > 
> > > > The function bio_kunmap_bvec is missing.I tried checking the git-block.patch
> > > > as well as the linux/kernel/git/axboe/linux-2.6-block.git and did not
> > > > find this function.
> > > > 
> > > > Previously this function was replaced by __bio_kunmap_atomic();
> > > > This patch does not solves the implicit "declaration of function
> > > > ???bio_kunmap_bvec???"
> > > > 
> > > > Signed-off-by: Kamalesh Babulal <kamalesh@...ux.vnet.ibm.com
> > > > <mailto:kamalesh@...ux.vnet.ibm.com>>
> > > 
> > > Your mailer appears to have mangled both your signoff and the whitespace in
> > > the patch and it does not apply. However, fixing it does not solve the problem
> > > because of this mysterious bio_kunmap_bvec() that is only referenced by this
> > > driver. Was it accidently added during the addition of sg chaining support?
> > 
> > This should fix things up.
> > 
> 
> This builds although I lack the hardware to really test it. However, in
> 2.6.23-rc8-mm1 it collides with git-block-ps3disk-fix.patch. This is a
> version on top of that stack but I guess the best thing to do is replace
> git-block-ps3disk-fix.patch with Jens patch once it is signed off.
> 
> Not signing off because this is just a rebase. Assuming the other one
> gets signed off, consider it;

Thanks, but I already integrated the fix into the existing patch, so
that bisect will work.

-- 
Jens Axboe

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