From: Al Viro <viro@zeniv.linux.org.uk>
Date: Mon, 2 Apr 2012 23:22:25 +0000 (-0400)
Subject: dentry leak in simple_fill_super() failure exit
X-Git-Tag: v3.4-rc3~37^2~1
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=640946f20390e492694f9d7470656f2262385951;p=pandora-kernel.git

dentry leak in simple_fill_super() failure exit

d_genocide() does _not_ evict dentries; it just removes extra ref
pinning each of those.  Normally it's followed by shrinking the
tree (it's done just before generic_shutdown_super() by kill_litter_super()),
but in case of simple_fill_super() nothing of that kind will follow.
Just do shrink_dcache_parent() manually.

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