linux-kernel - Re: [PATCH] Turn do_sync_file_range() into do_sync_mapping

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Message-ID: <20070321161208.GF23274@ca-server1.us.oracle.com>
Date:	Wed, 21 Mar 2007 09:12:08 -0700
From:	Mark Fasheh <mark.fasheh@...cle.com>
To:	Christoph Hellwig <hch@...radead.org>, akpm@...ux-foundation.org,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org,
	viro@....linux.org.uk
Subject: Re: [PATCH] Turn do_sync_file_range() into do_sync_mapping_range()

On Wed, Mar 21, 2007 at 02:44:26PM +0000, Christoph Hellwig wrote:
> On Tue, Mar 20, 2007 at 02:46:26PM -0700, Mark Fasheh wrote:
> > do_sync_file_range() accepts a file * from which it takes an address_space
> > to sync. Abstract out the bulk of the function into do_sync_mapping_range()
> > which takes the address_space directly. This way callers who want to sync an
> > address_space directly can take advantage of the functionality provided.
> > 
> > do_sync_file_range() is preserved as a 3 line wrapper around
> > do_sync_mapping_range().
> > 
> > Ocfs2 in particular would like to use this to initiate a sync of a specific
> > inode range during truncate, where a file * may not be available.
> 
> Looks good to me, but I agree with Andrew that we should simply
> kill do_sync_file_range, espcially as at least one of the callers
> has file->f_mapping guaranteed != NULL;

Ok - I'll post an updated patch series today. Thank you all for taking the
time to look at this.
	--Mark

--
Mark Fasheh
Senior Software Developer, Oracle
mark.fasheh@...cle.com
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