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ocfs2/dlm: clear refmap bit of recovery lock while doing local recovery cleanup 

commit c95a51807b730e4681e2ecbdfd669ca52601959e upstream.

When recovery master down, dlm_do_local_recovery_cleanup() only remove
the $RECOVERY lock owned by dead node, but do not clear the refmap bit.
Which will make umount thread falling in dead loop migrating $RECOVERY
to the dead node.

Signed-off-by: xuejiufei <xuejiufei@huawei.com>
Reviewed-by: Joseph Qi <joseph.qi@huawei.com>
Cc: Mark Fasheh <mfasheh@suse.de>
Cc: Joel Becker <jlbec@evilplan.org>
Cc: Junxiao Bi <junxiao.bi@oracle.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
xuejiufei 2016-02-05 15:36:47 -08:00 committed by Greg Kroah-Hartman
parent 854e6fc9de
commit bb169b2b58
1 changed files with 2 additions and 0 deletions
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2
fs/ocfs2/dlm/dlmrecovery.c
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@ -2326,6 +2326,8 @@ static void dlm_do_local_recovery_cleanup(struct dlm_ctxt *dlm, u8 dead_node)
break;
}
}
dlm_lockres_clear_refmap_bit(dlm, res,
dead_node);
spin_unlock(&res->spinlock);
continue;
}