linux-kernel - Re: [PATCH v7 01/31] iov_iter: Add ITER

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Message-ID: <3153358.1619188394@warthog.procyon.org.uk>
Date:   Fri, 23 Apr 2021 15:33:14 +0100
From:   David Howells <dhowells@...hat.com>
To:     Matthew Wilcox <willy@...radead.org>
Cc:     dhowells@...hat.com, linux-fsdevel@...r.kernel.org,
        Dave Wysochanski <dwysocha@...hat.com>,
        Marc Dionne <marc.dionne@...istor.com>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Christoph Hellwig <hch@....de>, linux-mm@...ck.org,
        linux-cachefs@...hat.com, linux-afs@...ts.infradead.org,
        linux-nfs@...r.kernel.org, linux-cifs@...r.kernel.org,
        ceph-devel@...r.kernel.org, v9fs-developer@...ts.sourceforge.net,
        Trond Myklebust <trond.myklebust@...merspace.com>,
        Anna Schumaker <anna.schumaker@...app.com>,
        Steve French <sfrench@...ba.org>,
        Dominique Martinet <asmadeus@...ewreck.org>,
        Jeff Layton <jlayton@...hat.com>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v7 01/31] iov_iter: Add ITER_XARRAY

Matthew Wilcox <willy@...radead.org> wrote:

> On Fri, Apr 23, 2021 at 02:28:01PM +0100, David Howells wrote:
> Now, is this important?  There are no filesystems which do I/O to THPs
> today.  So it's not possible to pick up the fact that it doesn't work,
> and I hope to have the page cache fixed soon.  And fixing this now
> will create more work later as part of fixing the page cache.  But I
> wouldn't feel right not mentioning this problem ...

So I can leave the code as-is for the moment and it can be fixed with your
patches?

David