linux-kernel - Re: [git pull] vfs pile 3

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Message-ID: <20121013154810.GA9678@infradead.org>
Date:	Sat, 13 Oct 2012 11:48:10 -0400
From:	Christoph Hellwig <hch@...radead.org>
To:	Al Viro <viro@...IV.linux.org.uk>
Cc:	Marco Stornelli <marco.stornelli@...il.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org, linux-fsdevel@...r.kernel.org
Subject: Re: [git pull] vfs pile 3

On Sat, Oct 13, 2012 at 08:51:28AM +0100, Al Viro wrote:
> It's somewhat pointless on its own...  If you were doing something with
> the callers afterwards - sure, it would be make sense, but as it is...

I'd really like to see ->truncate and vmtruncate done, so from that side
I'm absolutely in favour of this series.  What I'm a bit concerned about
is that it just does the trivial 1:1 conversion and not actually
converts the sequence of operations to the proper form, which was one
of the two big reasons of moving away from ->truncate to start with.

I'd love to see the full conversion, but without adequate test coverage
for all the fringe filesystems that might be a bit too much to expect
from Marco.

I think just doing the easy conversions he did, and putting a TODO
comment explaining how it should be taken further at each of the sites
would be valueable on its own.

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