linux-kernel - Re: [PATCH 21/43] CacheFiles: Be consistent about the use of mapping vs file->f

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Date:	Thu, 02 Apr 2009 14:52:43 -0400
From:	Rik van Riel <riel@...hat.com>
To:	David Howells <dhowells@...hat.com>
CC:	viro@...IV.linux.org.uk, nfsv4@...ux-nfs.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [PATCH 21/43] CacheFiles: Be consistent about the use of mapping
 vs	file->f_mapping in Ext3 [ver #46]

David Howells wrote:
> Change all the usages of file->f_mapping in ext3_*write_end() functions to use
> the mapping argument directly.  This has two consequences:
>
>  (*) Consistency.  Without this patch sometimes one is used and sometimes the
>      other is.
>
>  (*) A NULL file pointer can be passed.  This feature is then made use of by
>      the generic hook in the next patch, which is used by CacheFiles to write
>      pages to a file without setting up a file struct.
>
> Signed-off-by: David Howells <dhowells@...hat.com>
> Acked-by: Steve Dickson <steved@...hat.com>
> Acked-by: Trond Myklebust <Trond.Myklebust@...app.com>
Acked-by: Rik van Riel <riel@...hat.com>
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