30 static void	nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *host);
57 	if (!atomic_dec_and_lock(&lockowner->count, &lockowner->host->h_lock))  in nlm_put_lockowner()
60 	spin_unlock(&lockowner->host->h_lock);  in nlm_put_lockowner()
61 	nlmclnt_release_host(lockowner->host);  in nlm_put_lockowner()
65 static inline int nlm_pidbusy(struct nlm_host *host, uint32_t pid)  in nlm_pidbusy()  argument
68 	list_for_each_entry(lockowner, &host->h_lockowners, list) {  in nlm_pidbusy()
75 static inline uint32_t __nlm_alloc_pid(struct nlm_host *host)  in __nlm_alloc_pid()  argument
79 		res = host->h_pidcount++;  in __nlm_alloc_pid()
80 	} while (nlm_pidbusy(host, res) < 0);  in __nlm_alloc_pid()
84 static struct nlm_lockowner *__nlm_find_lockowner(struct nlm_host *host, fl_owner_t owner)  in __nlm_find_lockowner()  argument
87 	list_for_each_entry(lockowner, &host->h_lockowners, list) {  in __nlm_find_lockowner()
95 static struct nlm_lockowner *nlm_find_lockowner(struct nlm_host *host, fl_owner_t owner)  in nlm_find_lockowner()  argument
99 	spin_lock(&host->h_lock);  in nlm_find_lockowner()
100 	res = __nlm_find_lockowner(host, owner);  in nlm_find_lockowner()
102 		spin_unlock(&host->h_lock);  in nlm_find_lockowner()
104 		spin_lock(&host->h_lock);  in nlm_find_lockowner()
105 		res = __nlm_find_lockowner(host, owner);  in nlm_find_lockowner()
110 			new->pid = __nlm_alloc_pid(host);  in nlm_find_lockowner()
111 			new->host = nlm_get_host(host);  in nlm_find_lockowner()
112 			list_add(&new->list, &host->h_lockowners);  in nlm_find_lockowner()
116 	spin_unlock(&host->h_lock);  in nlm_find_lockowner()
155 int nlmclnt_proc(struct nlm_host *host, int cmd, struct file_lock *fl)  in nlmclnt_proc()  argument
160 	call = nlm_alloc_call(host);  in nlmclnt_proc()
164 	nlmclnt_locks_init_private(fl, host);  in nlmclnt_proc()
194 struct nlm_rqst *nlm_alloc_call(struct nlm_host *host)  in nlm_alloc_call()  argument
204 			call->a_host = nlm_get_host(host);  in nlm_alloc_call()
251 	struct nlm_host	*host = req->a_host;  in nlmclnt_call()  local
263 			(int)proc, host->h_name);  in nlmclnt_call()
266 		if (host->h_reclaiming && !argp->reclaim)  in nlmclnt_call()
270 		if ((clnt = nlm_bind_host(host)) == NULL)  in nlmclnt_call()
284 				nlm_rebind_host(host);  in nlmclnt_call()
304 				wake_up_all(&host->h_gracewait);  in nlmclnt_call()
318 		status = nlm_wait_on_grace(&host->h_gracewait);  in nlmclnt_call()
329 	struct nlm_host	*host = req->a_host;  in __nlm_async_call()  local
339 			(int)proc, host->h_name);  in __nlm_async_call()
342 	clnt = nlm_bind_host(host);  in __nlm_async_call()
447 	spin_lock(&fl->fl_u.nfs_fl.owner->host->h_lock);  in nlmclnt_locks_copy_lock()
450 	list_add_tail(&new->fl_u.nfs_fl.list, &fl->fl_u.nfs_fl.owner->host->h_granted);  in nlmclnt_locks_copy_lock()
451 	spin_unlock(&fl->fl_u.nfs_fl.owner->host->h_lock);  in nlmclnt_locks_copy_lock()
456 	spin_lock(&fl->fl_u.nfs_fl.owner->host->h_lock);  in nlmclnt_locks_release_private()
458 	spin_unlock(&fl->fl_u.nfs_fl.owner->host->h_lock);  in nlmclnt_locks_release_private()
467 static void nlmclnt_locks_init_private(struct file_lock *fl, struct nlm_host *host)  in nlmclnt_locks_init_private()  argument
470 	fl->fl_u.nfs_fl.owner = nlm_find_lockowner(host, fl->fl_owner);  in nlmclnt_locks_init_private()
504 	struct nlm_host	*host = req->a_host;  in nlmclnt_lock()  local
511 	if (nsm_monitor(host) < 0)  in nlmclnt_lock()
521 	block = nlmclnt_prepare_block(host, fl);  in nlmclnt_lock()
530 		fl->fl_u.nfs_fl.state = host->h_state;  in nlmclnt_lock()
553 		if (nlmclnt_cancel(host, req->a_args.block, fl) == 0)  in nlmclnt_lock()
558 		down_read(&host->h_rwsem);  in nlmclnt_lock()
560 		if (fl->fl_u.nfs_fl.state != host->h_state) {  in nlmclnt_lock()
561 			up_read(&host->h_rwsem);  in nlmclnt_lock()
568 		up_read(&host->h_rwsem);  in nlmclnt_lock()
595 	down_read(&host->h_rwsem);  in nlmclnt_lock()
597 	up_read(&host->h_rwsem);  in nlmclnt_lock()
608 nlmclnt_reclaim(struct nlm_host *host, struct file_lock *fl,  in nlmclnt_reclaim()  argument
616 	req->a_host  = host;  in nlmclnt_reclaim()
651 	struct nlm_host	*host = req->a_host;  in nlmclnt_unlock()  local
662 	down_read(&host->h_rwsem);  in nlmclnt_unlock()
664 	up_read(&host->h_rwsem);  in nlmclnt_unlock()
732 static int nlmclnt_cancel(struct nlm_host *host, int block, struct file_lock *fl)  in nlmclnt_cancel()  argument
740 	req = nlm_alloc_call(host);  in nlmclnt_cancel()