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Date:   Fri, 23 Apr 2021 12:29:40 -0700
From:   Andrew Morton <akpm@linux-foundation.org>
To:     Hugh Dickins <hughd@google.com>
Cc:     Matthew Wilcox <willy@infradead.org>,
        William Kucharski <william.kucharski@oracle.com>,
        Christoph Hellwig <hch@lst.de>, Jan Kara <jack@suse.cz>,
        Dave Chinner <dchinner@redhat.com>,
        Johannes Weiner <hannes@cmpxchg.org>,
        "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>,
        Yang Shi <yang.shi@linux.alibaba.com>,
        linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
        linux-mm@kvack.org
Subject: Re: [PATCH v2 2/2] mm/filemap: fix mapping_seek_hole_data on THP &
 32-bit
Message-Id: <20210423122940.26829dc784a4b6546349dac5@linux-foundation.org>
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On Fri, 23 Apr 2021 10:22:51 -0700 (PDT) Hugh Dickins <hughd@google.com> wrote:

> On Thu, 22 Apr 2021, Andrew Morton wrote:
> > On Thu, 22 Apr 2021 13:48:57 -0700 (PDT) Hugh Dickins <hughd@google.com> wrote:
> > 
> > > Andrew, I'd have just sent a -fix.patch to remove the unnecessary u64s,
> > > but need to reword the commit message: so please replace yesterday's
> > > mm-filemap-fix-mapping_seek_hole_data-on-thp-32-bit.patch
> > > by this one - thanks.
> > 
> > Actually, I routinely update the base patch's changelog when queueing a -fix.
> 
> And thank you for that, but if there's time, I think we would still
> prefer the final commit message to include corrections where Matthew
> enlightened me (that "sign-extension" claim came from my confusion):

That's my point.  When I merge a -v2 as a -fix, I replace the v1
patch's changelog with v2's changelog so everything works out after
folding.