Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::3:8 as permitted sender) client-ip=2620:137:e000::3:8;
Date:   Mon, 18 Sep 2023 11:25:41 -0700
From:   Luis Chamberlain <mcgrof@kernel.org>
To:     Matthew Wilcox <willy@infradead.org>
Cc:     Pankaj Raghav <kernel@pankajraghav.com>, linux-xfs@vger.kernel.org,
        linux-fsdevel@vger.kernel.org, p.raghav@samsung.com,
        david@fromorbit.com, da.gomez@samsung.com,
        akpm@linux-foundation.org, linux-kernel@vger.kernel.org,
        djwong@kernel.org, linux-mm@kvack.org, chandan.babu@oracle.com,
        gost.dev@samsung.com
Subject: Re: [RFC 05/23] filemap: align index to mapping_min_order in
 filemap_range_has_page()
Message-ID: <ZQiWJdjFPvVbCj1B@bombadil.infradead.org>
References: <20230915183848.1018717-1-kernel@pankajraghav.com>
 <20230915183848.1018717-6-kernel@pankajraghav.com>
 <ZQS0UGQMbUCYr2t3@casper.infradead.org>
MIME-Version: 1.0
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
In-Reply-To: <ZQS0UGQMbUCYr2t3@casper.infradead.org>
Sender: Luis Chamberlain <mcgrof@infradead.org>
Precedence: bulk

On Fri, Sep 15, 2023 at 08:45:20PM +0100, Matthew Wilcox wrote:
> On Fri, Sep 15, 2023 at 08:38:30PM +0200, Pankaj Raghav wrote:
> > From: Luis Chamberlain <mcgrof@kernel.org>
> > 
> > page cache is mapping min_folio_order aligned. Use mapping min_folio_order
> > to align the start_byte and end_byte in filemap_range_has_page().
> 
> What goes wrong if you don't?  Seems to me like it should work.

Will drop from the series after confirming, thanks.

  Luis