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Date:   Thu, 23 Dec 2021 09:21:48 +0100
From:   Christoph Hellwig <hch@infradead.org>
To:     "Matthew Wilcox (Oracle)" <willy@infradead.org>
Cc:     linux-fsdevel@vger.kernel.org, linux-mm@kvack.org
Subject: Re: [PATCH 37/48] truncate: Convert invalidate_inode_pages2_range()
 to use a folio
Message-ID: <YcQxnAOfLBbDuWFZ@infradead.org>
References: <20211208042256.1923824-1-willy@infradead.org>
 <20211208042256.1923824-38-willy@infradead.org>
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On Wed, Dec 08, 2021 at 04:22:45AM +0000, Matthew Wilcox (Oracle) wrote:
> If we're going to unmap a folio, we have to be sure to unmap the entire
> folio, not just the part of it which lies after the search index.
> 
> We cannot yet remove the struct page from invalidate_inode_pages2_range()
> because the page pointer in the pvec might be a shadow/dax/swap entry
> instead of actually a page.
> 
> Signed-off-by: Matthew Wilcox (Oracle) <willy@infradead.org>

Looks good,

Reviewed-by: Christoph Hellwig <hch@lst.de>