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author | David Teigland <teigland@redhat.com> | 2012-06-05 20:23:21 +0400 |
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committer | David Teigland <teigland@redhat.com> | 2012-07-16 23:18:12 +0400 |
commit | 6d768177c282637a7943e72b4b2b148e7553ecf1 (patch) | |
tree | ba850e74687aa03dce4f20cc9649c1d34ea9d959 /fs/dlm/recover.c | |
parent | 05c32f47bfae74dabff05208957768078b53cc49 (diff) | |
download | linux-6d768177c282637a7943e72b4b2b148e7553ecf1.tar.xz |
dlm: use wait_event_timeout
Use wait_event_timeout to avoid using a timer
directly.
Signed-off-by: David Teigland <teigland@redhat.com>
Diffstat (limited to 'fs/dlm/recover.c')
-rw-r--r-- | fs/dlm/recover.c | 29 |
1 files changed, 11 insertions, 18 deletions
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"); |