From mboxrd@z Thu Jan  1 00:00:00 1970
From: Jamie Lokier <jamie@shareable.org>
Subject: Re: [PATCH 0/12] FS-Cache: Generic filesystem caching facility
Date: Tue, 15 Nov 2005 16:32:46 +0000
Message-ID: <20051115163246.GA4959@mail.shareable.org>
References: <dhowells1132005277@warthog.cambridge.redhat.com> <Pine.LNX.4.64.0511141428390.3263@g5.osdl.org>
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Cc: David Howells <dhowells@redhat.com>, akpm@osdl.org,
	linux-kernel@vger.kernel.org, linux-cachefs@redhat.com,
	linux-fsdevel@vger.kernel.org, nfsv4@linux-nfs.org
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To: Linus Torvalds <torvalds@osdl.org>
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Linus Torvalds wrote:
> And if it _is_ properly named (ie it really does mean "this entry
> positively does not exist") then it shouldn't have the same
> representation as NULL, because NULL really is traditionally used
> for "unknown" rather than "known to not exist".

You mean like:

> a negative dentry (dentry->d_inode = NULL) is another.

? :)

-- Jamie