From mboxrd@z Thu Jan  1 00:00:00 1970
From: David Howells <dhowells@redhat.com>
Subject: Re: [PATCH 1/4] CacheFiles: Use the ->write() file op rather than a
	special kernel aop
Date: Fri, 03 Apr 2009 10:51:56 +0100
Message-ID: <9759.1238752316@redhat.com>
References: <20090403094138.9510.80681.stgit@warthog.procyon.org.uk>
Mime-Version: 1.0
Content-Type: text/plain; charset="us-ascii"
Content-Transfer-Encoding: 7bit
Cc: dhowells@redhat.com, linux-fsdevel@vger.kernel.org, nfsv4@linux-nfs.org,
	linux-kernel@vger.kernel.org
To: nickpiggin@yahoo.com.au, hch@infradead.org
Return-path: <nfsv4-bounces@linux-nfs.org>
In-Reply-To: <20090403094138.9510.80681.stgit@warthog.procyon.org.uk>
List-Unsubscribe: <http://linux-nfs.org/cgi-bin/mailman/listinfo/nfsv4>,
	<mailto:nfsv4-request@linux-nfs.org?subject=unsubscribe>
List-Archive: <http://linux-nfs.org/pipermail/nfsv4>
List-Post: <mailto:nfsv4@linux-nfs.org>
List-Help: <mailto:nfsv4-request@linux-nfs.org?subject=help>
List-Subscribe: <http://linux-nfs.org/cgi-bin/mailman/listinfo/nfsv4>,
	<mailto:nfsv4-request@linux-nfs.org?subject=subscribe>
Sender: nfsv4-bounces@linux-nfs.org
Errors-To: nfsv4-bounces@linux-nfs.org
List-Id: linux-fsdevel.vger.kernel.org

David Howells <dhowells@redhat.com> wrote:

> This reverts the patch:
> 
> 	CacheFiles: Add a hook to write a single page of data to an inode
> 
> 	Add an address space operation to write one single page of data to an
> 	inode at a page-aligned location (thus permitting the implementation to
> 	be highly optimised).  The data source is a single page.
> 
> 	This is used by CacheFiles to store the contents of netfs pages into
> 	their backing file pages.
> 
> 	Supply a generic implementation for this that uses the write_begin()
> 	and write_end() address_space operations to bind a copy directly into
> 	the page cache.
> 
> 	Hook the Ext2 and Ext3 operations to the generic implementation.

Actually, it doesn't.  I split that out into the next patch, but I forgot to
edit the patch description.

David