From: Greg KH <greg@kroah.com>
To: npiggin@suse.de
Cc: stable@kernel.org, linux-fsdevel@vger.kernel.org,
linux-mm@vger.kernel.org
Subject: Re: [stable] [2.6.27.stable][patch 0/6] page_mkwrite fixes
Date: Tue, 12 May 2009 15:07:26 -0700 [thread overview]
Message-ID: <20090512220726.GA16583@kroah.com> (raw)
In-Reply-To: <20090512062346.554974013@suse.de>
On Tue, May 12, 2009 at 04:23:46PM +1000, npiggin@suse.de wrote:
> Hi stable team,
>
> This is the sequence of applicable fixes for 2.6.27.stable to solve
> the page_mkwrite issues. The series solves 2 problems in the core APIs:
> - the problem of incorrect return values (eg. causing SIGBUS when there is an
> OOM or page invalidation).
> - the problem of insufficient synchronisation between mm and filesystem,
> which results in at least NFS being quite easily broken with mmap()ed
> writes.
>
> And it also updates several filesystems to fix the issues on their side.
>
> I think it has been agreed to get these fixes into .stable kernels (they
> are all upstream).
>
> One issue is that there are several filesystems (basically, any which
> supply ->page_mkwrite) which could be broken but maybe have not had
> anybody look at them yet (OCFS2, UBIFS maybe). Anyway, if fs maintainers
> eventually do add any fixes here, it would be appreciated if you keep
> .stable in mind as well.
Thanks for the patch series, I've applied them all to the next
.27-stable queue.
greg k-h
prev parent reply other threads:[~2009-05-12 22:12 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-12 6:23 [2.6.27.stable][patch 0/6] page_mkwrite fixes npiggin
2009-05-12 6:23 ` [2.6.27.stable][patch 1/6] mm: page_mkwrite change prototype to match fault npiggin
2009-05-12 6:23 ` [2.6.27.stable][patch 2/6] fs: fix page_mkwrite error cases in core code and btrfs npiggin
2009-05-12 6:23 ` [2.6.27.stable][patch 3/6] mm: close page_mkwrite races npiggin
2009-05-12 6:23 ` [2.6.27.stable][patch 4/6] GFS2: Fix page_mkwrite() return code npiggin
2009-05-12 6:23 ` [2.6.27.stable][patch 5/6] NFS: Fix the return value in nfs_page_mkwrite() npiggin
2009-05-12 6:23 ` [2.6.27.stable][patch 6/6] NFS: Close page_mkwrite() races npiggin
2009-05-12 22:07 ` Greg KH [this message]
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