From: Miklos Szeredi <mszeredi@suse.cz>
Date: Wed, 23 Jul 2014 13:15:34 +0000 (+0200)
Subject: shmem: support RENAME_EXCHANGE
X-Git-Tag: cleanup-for-v3.18~46^2~17
X-Git-Url: https://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=37456771c58be10dd813fb4510035d0d67a969aa;p=pandora-kernel.git

shmem: support RENAME_EXCHANGE

This is really simple in tmpfs since the VFS already takes care of
shuffling the dentries.  Just adjust nlink on parent directories and touch
c & mtimes.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
Acked-by: Hugh Dickins <hughd@google.com>
Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

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