From: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
Date: Mon, 25 May 2009 16:23:04 +0000 (+0300)
Subject: UBIFS: use anonymous device
X-Git-Tag: Release-2010-05/1~3^2~72
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=a5c62236e8eb16274570e1ba4da70a9549e456bf;p=pandora-kernel.git

UBIFS: use anonymous device

UBIFS has erroneuosly set 'sb->s_dev' to the UBI volume
character device major/minor. This may lead to clashes
if there is another FS mounted to a block device with
the same major/minor numbers. User-space programs which
use 'stat->st_dev' may get confused because of this.

This problem was found by Al Viro. He also pointed the
way to fix the problem - use 'set_anon_super()' and
'kill_anon_super()' VFS helpers.

Signed-off-by: Artem Bityutskiy <Artem.Bityutskiy@nokia.com>
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