From 6d768177c282637a7943e72b4b2b148e7553ecf1 Mon Sep 17 00:00:00 2001 From: David Teigland Date: Tue, 5 Jun 2012 11:23:21 -0500 Subject: dlm: use wait_event_timeout Use wait_event_timeout to avoid using a timer directly. Signed-off-by: David Teigland --- fs/dlm/recover.c | 29 +++++++++++------------------ 1 file changed, 11 insertions(+), 18 deletions(-) (limited to 'fs/dlm') diff --git a/fs/dlm/recover.c b/fs/dlm/recover.c index ff6f27629a0c..12702cc533b3 100644 --- a/fs/dlm/recover.c +++ b/fs/dlm/recover.c @@ -36,30 +36,23 @@ * (LS_RECOVERY_STOP set due to failure of a node in ls_nodes). When another * function thinks it could have completed the waited-on task, they should wake * up ls_wait_general to get an immediate response rather than waiting for the - * timer to detect the result. A timer wakes us up periodically while waiting - * to see if we should abort due to a node failure. This should only be called - * by the dlm_recoverd thread. + * timeout. This uses a timeout so it can check periodically if the wait + * should abort due to node failure (which doesn't cause a wake_up). + * This should only be called by the dlm_recoverd thread. */ -static void dlm_wait_timer_fn(unsigned long data) -{ - struct dlm_ls *ls = (struct dlm_ls *) data; - mod_timer(&ls->ls_timer, jiffies + (dlm_config.ci_recover_timer * HZ)); - wake_up(&ls->ls_wait_general); -} - int dlm_wait_function(struct dlm_ls *ls, int (*testfn) (struct dlm_ls *ls)) { int error = 0; + int rv; - init_timer(&ls->ls_timer); - ls->ls_timer.function = dlm_wait_timer_fn; - ls->ls_timer.data = (long) ls; - ls->ls_timer.expires = jiffies + (dlm_config.ci_recover_timer * HZ); - add_timer(&ls->ls_timer); - - wait_event(ls->ls_wait_general, testfn(ls) || dlm_recovery_stopped(ls)); - del_timer_sync(&ls->ls_timer); + while (1) { + rv = wait_event_timeout(ls->ls_wait_general, + testfn(ls) || dlm_recovery_stopped(ls), + dlm_config.ci_recover_timer * HZ); + if (rv) + break; + } if (dlm_recovery_stopped(ls)) { log_debug(ls, "dlm_wait_function aborted"); -- cgit v1.2.3