linux-kernel - Re: [PATCH mmotm] mm: page_mkwrite change prototype to match fault: fix sysfs

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Date:	Sun, 22 Mar 2009 13:40:38 -0700
From:	Eric Biederman <ebiederm@...stanetworks.com>
To:	Hugh Dickins <hugh@...itas.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Nick Piggin <npiggin@...e.de>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH mmotm] mm: page_mkwrite change prototype to match fault: 
	fix sysfs

On Sun, Mar 22, 2009 at 11:36 AM, Hugh Dickins <hugh@...itas.com> wrote:
> Fix warnings and return values in sysfs bin_page_mkwrite(), fixing
> fs/sysfs/bin.c: In function `bin_page_mkwrite':
> fs/sysfs/bin.c:250: warning: passing argument 2 of `bb->vm_ops->page_mkwrite' from incompatible pointer type
> fs/sysfs/bin.c: At top level:
> fs/sysfs/bin.c:280: warning: initialization from incompatible pointer type

In general this looks reasonable.  It appears that linux-next has
changed the prototype
of page_mkwrite.    Which is why I did not see this failure mode.
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