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DLM: retry rcom when dlm_wait_function is timed out.

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If a node sends a DLM_RCOM_STATUS command and an error occurs on the
receiving side, the DLM_RCOM_STATUS_REPLY response may not be returned.
We retransmitted the DLM_RCOM_STATUS command so that we do not wait for
an infinite response.

Signed-off-by: Tadashi Miyauchi <miyauchi@toshiba-tops.co.jp>
Signed-off-by: Tsutomu Owa <tsutomu.owa@toshiba.co.jp>
Signed-off-by: David Teigland <teigland@redhat.com>
This commit is contained in:
tsutomu.owa@toshiba.co.jp 2017-09-12 08:56:08 +00:00 • committed by David Teigland
parent c7355827b2
commit 5966121241
2 changed files with 10 additions and 0 deletions
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4
fs/dlm/recover.c
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@ -52,6 +52,10 @@ int dlm_wait_function(struct dlm_ls *ls, int (*testfn) (struct dlm_ls *ls))
dlm_config.ci_recover_timer * HZ);
if (rv)
break;
if (test_bit(LSFL_RCOM_WAIT, &ls->ls_flags)) {
log_debug(ls, "dlm_wait_function timed out");
return -ETIMEDOUT;
}
}
if (dlm_recovery_stopped(ls)) {