31 static void	nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *host);
59 	if (!refcount_dec_and_lock(&lockowner->count, &lockowner->host->h_lock))  in nlmclnt_put_lockowner()
62 	spin_unlock(&lockowner->host->h_lock);  in nlmclnt_put_lockowner()
63 	nlmclnt_release_host(lockowner->host);  in nlmclnt_put_lockowner()
67 static inline int nlm_pidbusy(struct nlm_host *host, uint32_t pid)  in nlm_pidbusy()  argument
70 	list_for_each_entry(lockowner, &host->h_lockowners, list) {  in nlm_pidbusy()
77 static inline uint32_t __nlm_alloc_pid(struct nlm_host *host)  in __nlm_alloc_pid()  argument
81 		res = host->h_pidcount++;  in __nlm_alloc_pid()
82 	} while (nlm_pidbusy(host, res) < 0);  in __nlm_alloc_pid()
86 static struct nlm_lockowner *__nlmclnt_find_lockowner(struct nlm_host *host, fl_owner_t owner)  in __nlmclnt_find_lockowner()  argument
89 	list_for_each_entry(lockowner, &host->h_lockowners, list) {  in __nlmclnt_find_lockowner()
97 static struct nlm_lockowner *nlmclnt_find_lockowner(struct nlm_host *host, fl_owner_t owner)  in nlmclnt_find_lockowner()  argument
101 	spin_lock(&host->h_lock);  in nlmclnt_find_lockowner()
102 	res = __nlmclnt_find_lockowner(host, owner);  in nlmclnt_find_lockowner()
104 		spin_unlock(&host->h_lock);  in nlmclnt_find_lockowner()
106 		spin_lock(&host->h_lock);  in nlmclnt_find_lockowner()
107 		res = __nlmclnt_find_lockowner(host, owner);  in nlmclnt_find_lockowner()
112 			new->pid = __nlm_alloc_pid(host);  in nlmclnt_find_lockowner()
113 			new->host = nlm_get_host(host);  in nlmclnt_find_lockowner()
114 			list_add(&new->list, &host->h_lockowners);  in nlmclnt_find_lockowner()
118 	spin_unlock(&host->h_lock);  in nlmclnt_find_lockowner()
158 int nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl, void *data)  in nlmclnt_proc()  argument
162 	const struct nlmclnt_operations *nlmclnt_ops = host->h_nlmclnt_ops;  in nlmclnt_proc()
164 	call = nlm_alloc_call(host);  in nlmclnt_proc()
171 	nlmclnt_locks_init_private(fl, host);  in nlmclnt_proc()
202 struct nlm_rqst *nlm_alloc_call(struct nlm_host *host)  in nlm_alloc_call()  argument
212 			call->a_host = nlm_get_host(host);  in nlm_alloc_call()
263 	struct nlm_host	*host = req->a_host;  in nlmclnt_call()  local
275 			(int)proc, host->h_name);  in nlmclnt_call()
278 		if (host->h_reclaiming && !argp->reclaim)  in nlmclnt_call()
282 		if ((clnt = nlm_bind_host(host)) == NULL)  in nlmclnt_call()
296 				nlm_rebind_host(host);  in nlmclnt_call()
316 				wake_up_all(&host->h_gracewait);  in nlmclnt_call()
330 		status = nlm_wait_on_grace(&host->h_gracewait);  in nlmclnt_call()
341 	struct nlm_host	*host = req->a_host;  in __nlm_async_call()  local
351 			(int)proc, host->h_name);  in __nlm_async_call()
354 	clnt = nlm_bind_host(host);  in __nlm_async_call()
459 	spin_lock(&fl->fl_u.nfs_fl.owner->host->h_lock);  in nlmclnt_locks_copy_lock()
462 	list_add_tail(&new->fl_u.nfs_fl.list, &fl->fl_u.nfs_fl.owner->host->h_granted);  in nlmclnt_locks_copy_lock()
463 	spin_unlock(&fl->fl_u.nfs_fl.owner->host->h_lock);  in nlmclnt_locks_copy_lock()
468 	spin_lock(&fl->fl_u.nfs_fl.owner->host->h_lock);  in nlmclnt_locks_release_private()
470 	spin_unlock(&fl->fl_u.nfs_fl.owner->host->h_lock);  in nlmclnt_locks_release_private()
479 static void nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *host)  in nlmclnt_locks_init_private()  argument
482 	fl->fl_u.nfs_fl.owner = nlmclnt_find_lockowner(host, fl->fl_owner);  in nlmclnt_locks_init_private()
516 	struct nlm_host	*host = req->a_host;  in nlmclnt_lock()  local
523 	if (nsm_monitor(host) < 0)  in nlmclnt_lock()
533 	block = nlmclnt_prepare_block(host, fl);  in nlmclnt_lock()
542 		fl->fl_u.nfs_fl.state = host->h_state;  in nlmclnt_lock()
565 		if (nlmclnt_cancel(host, req->a_args.block, fl) == 0)  in nlmclnt_lock()
570 		down_read(&host->h_rwsem);  in nlmclnt_lock()
572 		if (fl->fl_u.nfs_fl.state != host->h_state) {  in nlmclnt_lock()
573 			up_read(&host->h_rwsem);  in nlmclnt_lock()
580 		up_read(&host->h_rwsem);  in nlmclnt_lock()
607 	down_read(&host->h_rwsem);  in nlmclnt_lock()
609 	up_read(&host->h_rwsem);  in nlmclnt_lock()
620 nlmclnt_reclaim(struct nlm_host *host, struct file_lock *fl,  in nlmclnt_reclaim()  argument
628 	req->a_host  = host;  in nlmclnt_reclaim()
663 	struct nlm_host	*host = req->a_host;  in nlmclnt_unlock()  local
674 	down_read(&host->h_rwsem);  in nlmclnt_unlock()
676 	up_read(&host->h_rwsem);  in nlmclnt_unlock()
758 static int nlmclnt_cancel(struct nlm_host *host, int block, struct file_lock *fl)  in nlmclnt_cancel()  argument
766 	req = nlm_alloc_call(host);  in nlmclnt_cancel()