From: Christoph Hellwig <hch@infradead.org>
To: David Woodhouse <dwmw2@infradead.org>
Cc: Chris Mason <chris.mason@oracle.com>,
Balaji Rao <balajirrao@gmail.com>,
linux-btrfs@vger.kernel.org
Subject: Re: [PATCH] NFS support for btrfs - v2
Date: Mon, 18 Aug 2008 20:16:19 -0400 [thread overview]
Message-ID: <20080819001618.GA16423@infradead.org> (raw)
In-Reply-To: <1219090839.3184.436.camel@pmac.infradead.org>
On Mon, Aug 18, 2008 at 09:20:39PM +0100, David Woodhouse wrote:
> On Mon, 2008-08-18 at 15:47 -0400, Chris Mason wrote:
> > Lets pretend I had put in commments something like the code below.
> > The important part is that directories have only one link, so they
> > have only one backref.
>
> OK. Now can I rip that code out anyway? The VFS will never call
> btrfs_lookup() for ".." -- not since the 2.2 kernel :)
If you get_parent doesn't call into the lowlevel lookup code it doesn't
need to handle "..". But most filesystems end up reusing the lookup
code for get_parent.
next prev parent reply other threads:[~2008-08-19 0:16 UTC|newest]
Thread overview: 27+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-07-20 20:31 [PATCH] NFS support for btrfs - v2 Balaji Rao
2008-08-17 11:53 ` David Woodhouse
2008-08-17 12:51 ` Balaji Rao
2008-08-17 12:56 ` David Woodhouse
2008-08-17 13:24 ` Balaji Rao
2008-08-17 13:30 ` David Woodhouse
2008-08-17 14:17 ` David Woodhouse
2008-08-17 16:10 ` [PATCH] rewrite btrfs_readdir() David Woodhouse
2008-08-18 18:46 ` Chris Mason
2008-08-18 19:08 ` David Woodhouse
2008-08-18 19:24 ` Chris Mason
2008-08-18 19:32 ` David Woodhouse
2008-08-17 13:40 ` [PATCH] NFS support for btrfs - v2 David Woodhouse
2008-08-18 19:23 ` Chris Mason
2008-08-18 19:33 ` David Woodhouse
2008-08-18 19:47 ` Chris Mason
2008-08-18 20:20 ` David Woodhouse
2008-08-18 20:32 ` Chris Mason
2008-08-18 21:52 ` David Woodhouse
2008-08-19 11:54 ` Chris Mason
2008-08-19 14:49 ` David Woodhouse
2008-08-19 21:34 ` David Woodhouse
2008-08-19 0:16 ` Christoph Hellwig [this message]
2008-08-19 0:21 ` David Woodhouse
2008-08-18 11:51 ` David Woodhouse
2008-08-18 12:10 ` David Woodhouse
2008-08-18 19:15 ` Chris Mason
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