linux-kernel - Re: [PATCH v2 01/16] mm: Add AOP_UPDATED

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Message-ID: <20201015090651.GB12879@infradead.org>
Date:   Thu, 15 Oct 2020 10:06:51 +0100
From:   Christoph Hellwig <hch@...radead.org>
To:     "Matthew Wilcox (Oracle)" <willy@...radead.org>
Cc:     linux-fsdevel@...r.kernel.org, linux-mm@...ck.org,
        v9fs-developer@...ts.sourceforge.net, linux-kernel@...r.kernel.org,
        linux-afs@...ts.infradead.org, ceph-devel@...r.kernel.org,
        linux-cifs@...r.kernel.org, ecryptfs@...r.kernel.org,
        linux-um@...ts.infradead.org, linux-mtd@...ts.infradead.org,
        Richard Weinberger <richard@....at>, linux-xfs@...r.kernel.org
Subject: Re: [PATCH v2 01/16] mm: Add AOP_UPDATED_PAGE return value

Don't we also need to handle the new return value in a few other places
like cachefiles_read_reissue swap_readpage?  Maybe those don't get
called on the currently converted instances, but just leaving them
without handling AOP_UPDATED_PAGE seems like a time bomb.