From: Miklos Szeredi <mszeredi@suse.cz>
Date: Thu, 5 Sep 2013 09:44:39 +0000 (+0200)
Subject: gfs2: use check_submounts_and_drop()
X-Git-Tag: v3.12-rc1~105^2~6
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1191a2bdf012147c33e5fa95255974a3f7bf6e2f;p=pandora-kernel.git

gfs2: use check_submounts_and_drop()

Do have_submounts(), shrink_dcache_parent() and d_drop() atomically.

check_submounts_and_drop() can deal with negative dentries and
non-directories as well.

Non-directories can also be mounted on.  And just like directories we don't
want these to disappear with invalidation.

Signed-off-by: Miklos Szeredi <mszeredi@suse.cz>
CC: Steven Whitehouse <swhiteho@redhat.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
---

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