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From: David Howells <dhowells@redhat.com>
In-Reply-To: <20090403094138.9510.80681.stgit@warthog.procyon.org.uk>
References: <20090403094138.9510.80681.stgit@warthog.procyon.org.uk>
To: nickpiggin@yahoo.com.au, hch@infradead.org
Cc: dhowells@redhat.com, nfsv4@linux-nfs.org, linux-kernel@vger.kernel.org,
       linux-fsdevel@vger.kernel.org
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>
Sender: linux-kernel-owner@vger.kernel.org
Content-Length: 1053
Lines: 28

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
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