[PATCH 1/3] xfs: consider freeze levels in xfs_fs_writable()

[Christoph Hellwig]

On Fri, Sep 26, 2014 at 07:03:30AM +1000, Dave Chinner wrote:
> I can mention it, but it's so trivial I didn't think it was worth
> it.

It does change behavior, so it should document why that was changed.

> The changelog says "Hence allow the caller to pass in the freeze
> level it is allowed to write" which is exactly what this code is
> doing.

The changelog says the you can pass the argument now.  It doesn't
say that it did change a caller to pass a different argument, and more
importanly why.