linux-kernel - Re: [patch 00/48] 2.6.27.32-stable review

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Date:	Wed, 9 Sep 2009 06:23:40 -0700
From:	Greg KH <gregkh@...e.de>
To:	Michael Tokarev <mjt@....msk.ru>
Cc:	Linux-kernel <linux-kernel@...r.kernel.org>
Subject: Re: [patch 00/48] 2.6.27.32-stable review

On Wed, Sep 09, 2009 at 11:31:50AM +0400, Michael Tokarev wrote:
> > On Tue, Sep 08, 2009 at 09:47:51AM -0500, Jayson King wrote:
> > > Greetings,
> > > 
> > > Patch 41/48 (ocfs2: Initialize the...) of this series causes a build 
> > > failure:
> > > 
> > > fs/ocfs2/aops.c: In function `ocfs2_write_cluster':
> > > fs/ocfs2/aops.c:1286: error: `should_zero' undeclared (first use in this function)
> > > fs/ocfs2/aops.c:1286: error: (Each undeclared identifier is reported only once
> > > fs/ocfs2/aops.c:1286: error: for each function it appears in.)
> > > fs/ocfs2/aops.c: In function `ocfs2_write_cluster_by_desc':
> ... 
> > > 
> > > A line from the upstream patch is missing in this patch:
> > > 
> > >   static int ocfs2_write_cluster(struct address_space *mapping,
> > >                      u32 phys, unsigned int unwritten,
> > > +                   unsigned int should_zero,
> > >                      struct ocfs2_alloc_context *data_ac,
> > >                      struct ocfs2_alloc_context *meta_ac,
> > >                      struct ocfs2_write_ctxt *wc, u32 cpos,
> > >                      loff_t user_pos, unsigned user_len)
> > > 
> > > 
> > > Attached is the corrected patch with the above line placed back in.
> > 
> > There was an add-on ocfs2 patch that should have now resolved this
> > issue.  If you still have this problem with the released kernel, please
> > let me know.
> 
> Well, with just-released 2.6.27.32 exactly the same issue occurs.
> I used patch-2.6.27.32.bz2 on top of linux-2.6.26.tar.bz2, not
> the tarball (linux-2.6.27.32.tar.bz2).
> 
> fs/ocfs2/aops.c: In function 'ocfs2_write_cluster':
> fs/ocfs2/aops.c:1286: error: 'should_zero' undeclared (first use in this function)
> fs/ocfs2/aops.c:1286: error: (Each undeclared identifier is reported only once
> fs/ocfs2/aops.c:1286: error: for each function it appears in.)
> fs/ocfs2/aops.c: In function 'ocfs2_write_cluster_by_desc':
> fs/ocfs2/aops.c:1360: warning: passing argument 4 of 'ocfs2_write_cluster' makes pointer from integer without a cast
> fs/ocfs2/aops.c:1360: warning: passing argument 6 of 'ocfs2_write_cluster' from incompatible pointer type
> fs/ocfs2/aops.c:1360: warning: passing argument 7 of 'ocfs2_write_cluster' makes integer from pointer without a cast
> fs/ocfs2/aops.c:1360: error: too many arguments to function 'ocfs2_write_cluster'
> 
> Which add-on you're referring to?  In the stable-queue/releases/2.6.27.32/
> I only see two patches related to ocfs:
>  ocfs2-initialize-the-cluster-we-re-writing-to-in-a-non-sparse-extend.patch
>  ocfs2-ocfs2_write_begin_nolock-should-handle-len-0.patch
> Neither of which looks like an addon, and only one (the first)
> has references to this "should_zero" variable.

I thought the second one would solve the problem.

What happened here, I took the upstream patch, was it incorrect?  If so,
was there a patch, also upstream, that fixed this problem?

totally confused,

greg k-h
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