int start_shrinker_timer() { /* initialize shriner timer */ cfs_timer_init(&shrinker_timer, shrinker_timer_proc, NULL); /* start the timer to trigger in 5 minutes */ cfs_timer_arm(&shrinker_timer, 300); return 0; }
int osp_init_precreate(struct osp_device *d) { struct l_wait_info lwi = { 0 }; struct task_struct *task; ENTRY; OBD_ALLOC_PTR(d->opd_pre); if (d->opd_pre == NULL) RETURN(-ENOMEM); /* initially precreation isn't ready */ d->opd_pre_status = -EAGAIN; fid_zero(&d->opd_pre_used_fid); d->opd_pre_used_fid.f_oid = 1; fid_zero(&d->opd_pre_last_created_fid); d->opd_pre_last_created_fid.f_oid = 1; d->opd_pre_reserved = 0; d->opd_got_disconnected = 1; d->opd_pre_grow_slow = 0; d->opd_pre_grow_count = OST_MIN_PRECREATE; d->opd_pre_min_grow_count = OST_MIN_PRECREATE; d->opd_pre_max_grow_count = OST_MAX_PRECREATE; spin_lock_init(&d->opd_pre_lock); init_waitqueue_head(&d->opd_pre_waitq); init_waitqueue_head(&d->opd_pre_user_waitq); init_waitqueue_head(&d->opd_pre_thread.t_ctl_waitq); /* * Initialize statfs-related things */ d->opd_statfs_maxage = 5; /* default update interval */ d->opd_statfs_fresh_till = cfs_time_shift(-1000); CDEBUG(D_OTHER, "current %llu, fresh till %llu\n", (unsigned long long)cfs_time_current(), (unsigned long long)d->opd_statfs_fresh_till); cfs_timer_init(&d->opd_statfs_timer, osp_statfs_timer_cb, d); /* * start thread handling precreation and statfs updates */ task = kthread_run(osp_precreate_thread, d, "osp-pre-%u-%u", d->opd_index, d->opd_group); if (IS_ERR(task)) { CERROR("can't start precreate thread %ld\n", PTR_ERR(task)); RETURN(PTR_ERR(task)); } l_wait_event(d->opd_pre_thread.t_ctl_waitq, osp_precreate_running(d) || osp_precreate_stopped(d), &lwi); RETURN(0); }
int osp_init_precreate(struct osp_device *d) { struct l_wait_info lwi = { 0 }; int rc; ENTRY; /* initially precreation isn't ready */ d->opd_pre_status = -EAGAIN; fid_zero(&d->opd_pre_used_fid); d->opd_pre_used_fid.f_oid = 1; fid_zero(&d->opd_pre_last_created_fid); d->opd_pre_last_created_fid.f_oid = 1; d->opd_pre_reserved = 0; d->opd_got_disconnected = 1; d->opd_pre_grow_slow = 0; d->opd_pre_grow_count = OST_MIN_PRECREATE; d->opd_pre_min_grow_count = OST_MIN_PRECREATE; d->opd_pre_max_grow_count = OST_MAX_PRECREATE; spin_lock_init(&d->opd_pre_lock); cfs_waitq_init(&d->opd_pre_waitq); cfs_waitq_init(&d->opd_pre_user_waitq); cfs_waitq_init(&d->opd_pre_thread.t_ctl_waitq); /* * Initialize statfs-related things */ d->opd_statfs_maxage = 5; /* default update interval */ d->opd_statfs_fresh_till = cfs_time_shift(-1000); CDEBUG(D_OTHER, "current %llu, fresh till %llu\n", (unsigned long long)cfs_time_current(), (unsigned long long)d->opd_statfs_fresh_till); cfs_timer_init(&d->opd_statfs_timer, osp_statfs_timer_cb, d); /* * start thread handling precreation and statfs updates */ rc = cfs_create_thread(osp_precreate_thread, d, 0); if (rc < 0) { CERROR("can't start precreate thread %d\n", rc); RETURN(rc); } l_wait_event(d->opd_pre_thread.t_ctl_waitq, osp_precreate_running(d) || osp_precreate_stopped(d), &lwi); RETURN(0); }
struct lc_watchdog *lc_watchdog_add(int timeout, void (*callback)(pid_t, void *), void *data) { struct lc_watchdog *lcw = NULL; ENTRY; LIBCFS_ALLOC(lcw, sizeof(*lcw)); if (lcw == NULL) { CDEBUG(D_INFO, "Could not allocate new lc_watchdog\n"); RETURN(ERR_PTR(-ENOMEM)); } cfs_spin_lock_init(&lcw->lcw_lock); lcw->lcw_refcount = 1; /* refcount for owner */ lcw->lcw_task = cfs_current(); lcw->lcw_pid = cfs_curproc_pid(); lcw->lcw_callback = (callback != NULL) ? callback : lc_watchdog_dumplog; lcw->lcw_data = data; lcw->lcw_state = LC_WATCHDOG_DISABLED; CFS_INIT_LIST_HEAD(&lcw->lcw_list); cfs_timer_init(&lcw->lcw_timer, lcw_cb, lcw); cfs_down(&lcw_refcount_sem); if (++lcw_refcount == 1) lcw_dispatch_start(); cfs_up(&lcw_refcount_sem); /* Keep this working in case we enable them by default */ if (lcw->lcw_state == LC_WATCHDOG_ENABLED) { lcw->lcw_last_touched = cfs_time_current(); cfs_timer_arm(&lcw->lcw_timer, cfs_time_seconds(timeout) + cfs_time_current()); } RETURN(lcw); }