From cdb5f7107ff8b4727e32f4921b2c5984984d24e0 Mon Sep 17 00:00:00 2001
From: Ned Bass <bass6@llnl.gov>
Date: Tue, 23 Jul 2013 00:06:59 +0800
Subject: [PATCH] staging/lustre/lmv: fix duplicate directory entries

Previously, I accidentally introduced a new way for duplicate
directory entries to be returned from readdir().  That patch fails
to properly decrement the nlupgs counter when breaking out of the
inner-for loop.  This accounting error causes an extra iteration
of the inner-for loop when processing the next cfs page and a bad
ldp_hash_end value is then saved in the lu_dirpage.  To fix this,
always decrement the nlupgs counter on entry into the inner loop.

Note: this bug only affects architectures with > 4k-sized pages, e.g.
PowerPC.

Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-3182
Lustre-change: http://review.whamcloud.com/6405
Signed-off-by: Ned Bass <bass6@llnl.gov>
Reviewed-by: Fan Yong <fan.yong@intel.com>
Reviewed-by: Andreas Dilger <andreas.dilger@intel.com>
Reviewed-by: Bobi Jam <bobijam@gmail.com>
Signed-off-by: Peng Tao <tao.peng@emc.com>
Signed-off-by: Andreas Dilger <andreas.dilger@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
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