Re: Bug with "fix partial page writes" [3.2-rc regression]

From: Andy Whitcroft
Date: Fri Dec 09 2011 - 08:33:55 EST


On Thu, Dec 08, 2011 at 06:12:35PM +0000, Andy Whitcroft wrote:
> On Thu, Dec 08, 2011 at 09:39:55AM -0800, Hugh Dickins wrote:
>
> [...]
> > > [PATCH 1/2] ext4: let mpage_submit_io works well when blocksize < pagesize
> > > [PATCH 2/2] ext4: let ext4_discard_partial_buffers handle pages without
> > >
> > > [PATCH 1/2] ext4: remove a wrong BUG_ON in ext4_ext_convert_to_initialized
> > > [PATCH 2/2] ext4: let ext4_bio_write_page handle EOF correctly
> [...]
> > Only once, before the fixes, did I ever see an unexplained EINVAL
> > (from cp), like Andy reports: I'm very hopeful his case is fixed too.
>
> Yes I have reverted my fix and applied all four of these patches (above).
> I have just completed a 100 iteration run of my test case without failure.
> This would typically fail in the first iteration 90% of the time and
> never survived more than two iterations.
>
> I am comfortable saying they resolve my issue.

Are we likely to see these fixes in a 3.2-rcN or will they be going to
stable?

-apw
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