From: Al Viro <viro@zeniv.linux.org.uk>
Date: Sat, 29 May 2010 01:32:44 +0000 (-0400)
Subject: fix the deadlock in qib_fs
X-Git-Tag: v2.6.35-rc2~6^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=971b2e8a3f5dc0cbef19ec1a77b6d20237aa751e;p=pandora-kernel.git

fix the deadlock in qib_fs

get_sb_single() calls fill_super with superblock locked; calling
deactivate_super() will deadlock immedately.  Moreover, if fill_super
callback returns an error, get_sb_single() will release the reference
to superblock itself just fine.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
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