From b9aff027b2c1d6019d237382c78fd396f9de2ea5 Mon Sep 17 00:00:00 2001
From: Nick Piggin <npiggin@suse.de>
Date: Fri, 20 Nov 2009 14:28:35 -0800
Subject: [PATCH] fs: anon_inodes implement dname

Add a d_dname method for anon_inodes filesystem, the same way pipefs and
sockfs pseudo filesystems.  This allows us to remove the DCACHE_UNHASHED
hack from anon_inodes.c (see next patch).

[AV: inumber is useless here, dropped from anon_inodefs_dname()]

Signed-off-by: Nick Piggin <npiggin@suse.de>
Cc: Miklos Szeredi <mszeredi@suse.cz>
Cc: Davide Libenzi <davidel@xmailserver.org>
Cc: "David S. Miller" <davem@davemloft.net>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Christoph Hellwig <hch@lst.de>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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