[PATCH v4] fs: Fix page_mkwrite off-by-one errors

Darrick J. Wong darrick.wong at oracle.com
Wed Jan 15 09:10:47 PST 2020

On Wed, Jan 08, 2020 at 08:57:10AM -0800, Christoph Hellwig wrote:
> I don't want to be the party pooper, but shouldn't this be a series
> with one patch to add the helper, and then once for each fs / piece
> of common code switched over?

The current patch in the iomap branch contains the chunks that add the
helper function, fix iomap, and whatever chunks for other filesystems
that don't cause /any/ merge complaints in for-next.  That means btrfs,
ceph, ext4, and ubifs will get fixed this time around.

Seeing as it's been floating around in for-next for a week now I'd
rather not rebase the branch just to rip out the four parts that haven't
given me any headaches so that they can be applied separately. :)

The acks from the other fs maintainers were very helpful, but at the
same time, I don't want to become a shadow vfs maintainer.

Therefore, whatever's in this v4 patch that isn't in [1] will have to be
sent separately.

[1] https://git.kernel.org/pub/scm/fs/xfs/xfs-linux.git/commit/?h=iomap-5.6-merge&id=62e298db3fc3ebf41d996f3c86b44cbbdd3286bc

> On Wed, Jan 08, 2020 at 02:15:28PM +0100, Andreas Gruenbacher wrote:
> > Hi Darrick,
> > 
> > here's an updated version with the latest feedback incorporated.  Hope
> > you find that useful.
> > 
> > As far as the f2fs merge conflict goes, I've been told by Linus not to
> > resolve those kinds of conflicts but to point them out when sending the
> > merge request.  So this shouldn't be a big deal.
> Also this isn't really the proper way to write a commit message.  This
> text would go into the cover letter if it was a series..

<urk> Yeah.


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