linux-kernel - Re: [PATCH v3 56/68] afs: Handle len being extending over page end in write_begin/write

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Date:   Thu, 16 Dec 2021 21:17:47 +0000
From:   David Howells <dhowells@...hat.com>
To:     Linus Torvalds <torvalds@...ux-foundation.org>
Cc:     dhowells@...hat.com, Matthew Wilcox <willy@...radead.org>,
        linux-cachefs@...hat.com, Jeff Layton <jlayton@...nel.org>,
        Marc Dionne <marc.dionne@...istor.com>,
        linux-afs@...ts.infradead.org,
        Trond Myklebust <trondmy@...merspace.com>,
        Anna Schumaker <anna.schumaker@...app.com>,
        Steve French <sfrench@...ba.org>,
        Dominique Martinet <asmadeus@...ewreck.org>,
        Alexander Viro <viro@...iv.linux.org.uk>,
        Omar Sandoval <osandov@...ndov.com>,
        JeffleXu <jefflexu@...ux.alibaba.com>,
        "open list:NFS, SUNRPC, AND..." <linux-nfs@...r.kernel.org>,
        CIFS <linux-cifs@...r.kernel.org>, ceph-devel@...r.kernel.org,
        v9fs-developer@...ts.sourceforge.net,
        linux-fsdevel <linux-fsdevel@...r.kernel.org>,
        Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 56/68] afs: Handle len being extending over page end in write_begin/write_end

Linus Torvalds <torvalds@...ux-foundation.org> wrote:

> So I will NAK these patches by David, because they are fundamentally
> wrong, whichever way we turn. Any "write in bigger chunks" patch will
> be something else entirely.

I'll just drop patches 56 and 57 for now, then.  I think the problem only
manifests if I set the flag saying the filesystem/inode/whatever supports
multipage folios.

David