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staging: lustre: set downis to 1 if there's no NI for remote net

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lnet_route_t::lr_downis is marked as zero even if there is no NI to
target network, this is wrong and breaks logic of ARF. This patch
fixes this problem.

Signed-off-by: Liang Zhen <liang.zhen@intel.com>
Intel-bug-id: https://jira.hpdd.intel.com/browse/LU-6060
Reviewed-on: http://review.whamcloud.com/13417
Reviewed-by: James Simmons <uja.ornl@gmail.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
This commit is contained in:
Liang Zhen 2016-03-02 17:01:44 -05:00 committed by Greg Kroah-Hartman
parent 4ae51a74f0
commit e816f23528
1 changed files with 7 additions and 0 deletions
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7
drivers/staging/lustre/lnet/lnet/router.c
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@ -718,6 +718,13 @@ lnet_parse_rc_info(lnet_rc_data_t *rcd)
rte->lr_downis = 0;
continue;
}
/**
* if @down is zero and this route is single-hop, it means
* we can't find NI for target network
*/
if (!down && rte->lr_hops == 1)
down = 1;
rte->lr_downis = down;
}
}