Branch b1_8_gate

This patch includes att18982, att18236, att18237,att18983 and att19061 in bz14840.
Slove "quota recovery deadlock during mds failover", it includes:
1. fix osts hang when mds does failover with quotaon
2. prevent watchdog storm when osts threads wait for the
   recovery of mds
b=14840
i=johann
i=shadow
i=panda

diff --git a/lustre/obdfilter/filter_io_24.c b/lustre/obdfilter/filter_io_24.c
index c3652a9..dd24c9f 100644 (file)
--- a/lustre/obdfilter/filter_io_24.c
+++ b/lustre/obdfilter/filter_io_24.c
@@ -396,7 +396,8 @@ void filter_free_iobuf(struct filter_iobuf *buf)
 void filter_iobuf_put(struct filter_obd *filter, struct filter_iobuf *iobuf,
                       struct obd_trans_info *oti)
 {
-        int thread_id = oti ? oti->oti_thread_id : -1;
+        int thread_id = (oti && oti->oti_thread) ?
+                        oti->oti_thread->t_id : -1;
 
         if (unlikely(thread_id < 0)) {
                 filter_free_iobuf(iobuf);