84 					    struct cache_detail *cd)  in sunrpc_begin_cache_remove_entry()  argument
86 	/* Must be called under cd->hash_lock */  in sunrpc_begin_cache_remove_entry()
89 	cd->entries --;  in sunrpc_begin_cache_remove_entry()
93 					  struct cache_detail *cd)  in sunrpc_end_cache_remove_entry()  argument
95 	cache_fresh_unlocked(ch, cd);  in sunrpc_end_cache_remove_entry()
96 	cache_put(ch, cd);  in sunrpc_end_cache_remove_entry()
385 void sunrpc_init_cache_detail(struct cache_detail *cd)  in sunrpc_init_cache_detail()  argument
387 	spin_lock_init(&cd->hash_lock);  in sunrpc_init_cache_detail()
388 	INIT_LIST_HEAD(&cd->queue);  in sunrpc_init_cache_detail()
390 	cd->nextcheck = 0;  in sunrpc_init_cache_detail()
391 	cd->entries = 0;  in sunrpc_init_cache_detail()
392 	atomic_set(&cd->writers, 0);  in sunrpc_init_cache_detail()
393 	cd->last_close = 0;  in sunrpc_init_cache_detail()
394 	cd->last_warn = -1;  in sunrpc_init_cache_detail()
395 	list_add(&cd->others, &cache_list);  in sunrpc_init_cache_detail()
403 void sunrpc_destroy_cache_detail(struct cache_detail *cd)  in sunrpc_destroy_cache_detail()  argument
405 	cache_purge(cd);  in sunrpc_destroy_cache_detail()
407 	spin_lock(&cd->hash_lock);  in sunrpc_destroy_cache_detail()
408 	if (current_detail == cd)  in sunrpc_destroy_cache_detail()
410 	list_del_init(&cd->others);  in sunrpc_destroy_cache_detail()
411 	spin_unlock(&cd->hash_lock);  in sunrpc_destroy_cache_detail()
827 			  loff_t *ppos, struct cache_detail *cd)  in cache_read()  argument
842 	while (rp->q.list.next != &cd->queue &&  in cache_read()
848 	if (rp->q.list.next == &cd->queue) {  in cache_read()
861 		err = cache_request(cd, rq);  in cache_read()
896 			cache_put(rq->item, cd);  in cache_read()
909 				 size_t count, struct cache_detail *cd)  in cache_do_downcall()  argument
918 	ret = cd->cache_parse(cd, kaddr, count);  in cache_do_downcall()
926 			      size_t count, struct cache_detail *cd)  in cache_downcall()  argument
940 	ret = cache_do_downcall(write_buf, buf, count, cd);  in cache_downcall()
948 			   struct cache_detail *cd)  in cache_write()  argument
954 	if (!cd->cache_parse)  in cache_write()
958 	ret = cache_downcall(mapping, buf, count, cd);  in cache_write()
967 			       struct cache_detail *cd)  in cache_poll()  argument
983 	for (cq= &rp->q; &cq->list != &cd->queue;  in cache_poll()
995 		       struct cache_detail *cd)  in cache_ioctl()  argument
1009 	for (cq= &rp->q; &cq->list != &cd->queue;  in cache_ioctl()
1023 		      struct cache_detail *cd)  in cache_open()  argument
1027 	if (!cd || !try_module_get(cd->owner))  in cache_open()
1033 			module_put(cd->owner);  in cache_open()
1040 		list_add(&rp->q.list, &cd->queue);  in cache_open()
1044 		atomic_inc(&cd->writers);  in cache_open()
1050 			 struct cache_detail *cd)  in cache_release()  argument
1058 			for (cq= &rp->q; &cq->list != &cd->queue;  in cache_release()
1075 		atomic_dec(&cd->writers);  in cache_release()
1076 		cd->last_close = seconds_since_boot();  in cache_release()
1078 	module_put(cd->owner);  in cache_release()
1346 	struct cache_detail *cd = m->private;  in __cache_seq_start()  local
1353 	hlist_for_each_entry_rcu(ch, &cd->hash_table[hash], cache_list)  in __cache_seq_start()
1360 	} while(hash < cd->hash_size &&  in __cache_seq_start()
1361 		hlist_empty(&cd->hash_table[hash]));  in __cache_seq_start()
1362 	if (hash >= cd->hash_size)  in __cache_seq_start()
1366 				hlist_first_rcu(&cd->hash_table[hash])),  in __cache_seq_start()
1374 	struct cache_detail *cd = m->private;  in cache_seq_next()  local
1388 	while (hash < cd->hash_size &&  in cache_seq_next()
1389 	       hlist_empty(&cd->hash_table[hash])) {  in cache_seq_next()
1393 	if (hash >= cd->hash_size)  in cache_seq_next()
1397 				hlist_first_rcu(&cd->hash_table[hash])),  in cache_seq_next()
1425 	struct cache_detail *cd = m->private;  in c_show()  local
1428 		return cd->cache_show(m, cd, NULL);  in c_show()
1435 	if (cache_check(cd, cp, NULL))  in c_show()
1439 		if (cache_is_expired(cd, cp))  in c_show()
1441 		cache_put(cp, cd);  in c_show()
1444 	return cd->cache_show(m, cd, cp);  in c_show()
1455 			struct cache_detail *cd)  in content_open()  argument
1460 	if (!cd || !try_module_get(cd->owner))  in content_open()
1465 		module_put(cd->owner);  in content_open()
1470 	seq->private = cd;  in content_open()
1475 		struct cache_detail *cd)  in content_release()  argument
1478 	module_put(cd->owner);  in content_release()
1483 			struct cache_detail *cd)  in open_flush()  argument
1485 	if (!cd || !try_module_get(cd->owner))  in open_flush()
1491 			struct cache_detail *cd)  in release_flush()  argument
1493 	module_put(cd->owner);  in release_flush()
1499 			  struct cache_detail *cd)  in read_flush()  argument
1505 			convert_to_wallclock(cd->flush_time));  in read_flush()
1511 			   struct cache_detail *cd)  in write_flush()  argument
1538 	if (cd->flush_time >= now)  in write_flush()
1539 		now = cd->flush_time + 1;  in write_flush()
1541 	cd->flush_time = now;  in write_flush()
1542 	cd->nextcheck = now;  in write_flush()
1545 	if (cd->flush)  in write_flush()
1546 		cd->flush();  in write_flush()
1555 	struct cache_detail *cd = pde_data(file_inode(filp));  in cache_read_procfs()  local
1557 	return cache_read(filp, buf, count, ppos, cd);  in cache_read_procfs()
1563 	struct cache_detail *cd = pde_data(file_inode(filp));  in cache_write_procfs()  local
1565 	return cache_write(filp, buf, count, ppos, cd);  in cache_write_procfs()
1570 	struct cache_detail *cd = pde_data(file_inode(filp));  in cache_poll_procfs()  local
1572 	return cache_poll(filp, wait, cd);  in cache_poll_procfs()
1579 	struct cache_detail *cd = pde_data(inode);  in cache_ioctl_procfs()  local
1581 	return cache_ioctl(inode, filp, cmd, arg, cd);  in cache_ioctl_procfs()
1586 	struct cache_detail *cd = pde_data(inode);  in cache_open_procfs()  local
1588 	return cache_open(inode, filp, cd);  in cache_open_procfs()
1593 	struct cache_detail *cd = pde_data(inode);  in cache_release_procfs()  local
1595 	return cache_release(inode, filp, cd);  in cache_release_procfs()
1610 	struct cache_detail *cd = pde_data(inode);  in content_open_procfs()  local
1612 	return content_open(inode, filp, cd);  in content_open_procfs()
1617 	struct cache_detail *cd = pde_data(inode);  in content_release_procfs()  local
1619 	return content_release(inode, filp, cd);  in content_release_procfs()
1631 	struct cache_detail *cd = pde_data(inode);  in open_flush_procfs()  local
1633 	return open_flush(inode, filp, cd);  in open_flush_procfs()
1638 	struct cache_detail *cd = pde_data(inode);  in release_flush_procfs()  local
1640 	return release_flush(inode, filp, cd);  in release_flush_procfs()
1646 	struct cache_detail *cd = pde_data(file_inode(filp));  in read_flush_procfs()  local
1648 	return read_flush(filp, buf, count, ppos, cd);  in read_flush_procfs()
1655 	struct cache_detail *cd = pde_data(file_inode(filp));  in write_flush_procfs()  local
1657 	return write_flush(filp, buf, count, ppos, cd);  in write_flush_procfs()
1668 static void remove_cache_proc_entries(struct cache_detail *cd)  in remove_cache_proc_entries()  argument
1670 	if (cd->procfs) {  in remove_cache_proc_entries()
1671 		proc_remove(cd->procfs);  in remove_cache_proc_entries()
1672 		cd->procfs = NULL;  in remove_cache_proc_entries()
1677 static int create_cache_proc_entries(struct cache_detail *cd, struct net *net)  in create_cache_proc_entries()  argument
1683 	cd->procfs = proc_mkdir(cd->name, sn->proc_net_rpc);  in create_cache_proc_entries()
1684 	if (cd->procfs == NULL)  in create_cache_proc_entries()
1688 			     cd->procfs, &cache_flush_proc_ops, cd);  in create_cache_proc_entries()
1692 	if (cd->cache_request || cd->cache_parse) {  in create_cache_proc_entries()
1693 		p = proc_create_data("channel", S_IFREG | 0600, cd->procfs,  in create_cache_proc_entries()
1694 				     &cache_channel_proc_ops, cd);  in create_cache_proc_entries()
1698 	if (cd->cache_show) {  in create_cache_proc_entries()
1699 		p = proc_create_data("content", S_IFREG | 0400, cd->procfs,  in create_cache_proc_entries()
1700 				     &content_proc_ops, cd);  in create_cache_proc_entries()
1706 	remove_cache_proc_entries(cd);  in create_cache_proc_entries()
1710 static int create_cache_proc_entries(struct cache_detail *cd, struct net *net)  in create_cache_proc_entries()  argument
1721 int cache_register_net(struct cache_detail *cd, struct net *net)  in cache_register_net()  argument
1725 	sunrpc_init_cache_detail(cd);  in cache_register_net()
1726 	ret = create_cache_proc_entries(cd, net);  in cache_register_net()
1728 		sunrpc_destroy_cache_detail(cd);  in cache_register_net()
1733 void cache_unregister_net(struct cache_detail *cd, struct net *net)  in cache_unregister_net()  argument
1735 	remove_cache_proc_entries(cd);  in cache_unregister_net()
1736 	sunrpc_destroy_cache_detail(cd);  in cache_unregister_net()
1742 	struct cache_detail *cd;  in cache_create_net()  local
1745 	cd = kmemdup(tmpl, sizeof(struct cache_detail), GFP_KERNEL);  in cache_create_net()
1746 	if (cd == NULL)  in cache_create_net()
1749 	cd->hash_table = kcalloc(cd->hash_size, sizeof(struct hlist_head),  in cache_create_net()
1751 	if (cd->hash_table == NULL) {  in cache_create_net()
1752 		kfree(cd);  in cache_create_net()
1756 	for (i = 0; i < cd->hash_size; i++)  in cache_create_net()
1757 		INIT_HLIST_HEAD(&cd->hash_table[i]);  in cache_create_net()
1758 	cd->net = net;  in cache_create_net()
1759 	return cd;  in cache_create_net()
1763 void cache_destroy_net(struct cache_detail *cd, struct net *net)  in cache_destroy_net()  argument
1765 	kfree(cd->hash_table);  in cache_destroy_net()
1766 	kfree(cd);  in cache_destroy_net()
1773 	struct cache_detail *cd = RPC_I(file_inode(filp))->private;  in cache_read_pipefs()  local
1775 	return cache_read(filp, buf, count, ppos, cd);  in cache_read_pipefs()
1781 	struct cache_detail *cd = RPC_I(file_inode(filp))->private;  in cache_write_pipefs()  local
1783 	return cache_write(filp, buf, count, ppos, cd);  in cache_write_pipefs()
1788 	struct cache_detail *cd = RPC_I(file_inode(filp))->private;  in cache_poll_pipefs()  local
1790 	return cache_poll(filp, wait, cd);  in cache_poll_pipefs()
1797 	struct cache_detail *cd = RPC_I(inode)->private;  in cache_ioctl_pipefs()  local
1799 	return cache_ioctl(inode, filp, cmd, arg, cd);  in cache_ioctl_pipefs()
1804 	struct cache_detail *cd = RPC_I(inode)->private;  in cache_open_pipefs()  local
1806 	return cache_open(inode, filp, cd);  in cache_open_pipefs()
1811 	struct cache_detail *cd = RPC_I(inode)->private;  in cache_release_pipefs()  local
1813 	return cache_release(inode, filp, cd);  in cache_release_pipefs()
1829 	struct cache_detail *cd = RPC_I(inode)->private;  in content_open_pipefs()  local
1831 	return content_open(inode, filp, cd);  in content_open_pipefs()
1836 	struct cache_detail *cd = RPC_I(inode)->private;  in content_release_pipefs()  local
1838 	return content_release(inode, filp, cd);  in content_release_pipefs()
1850 	struct cache_detail *cd = RPC_I(inode)->private;  in open_flush_pipefs()  local
1852 	return open_flush(inode, filp, cd);  in open_flush_pipefs()
1857 	struct cache_detail *cd = RPC_I(inode)->private;  in release_flush_pipefs()  local
1859 	return release_flush(inode, filp, cd);  in release_flush_pipefs()
1865 	struct cache_detail *cd = RPC_I(file_inode(filp))->private;  in read_flush_pipefs()  local
1867 	return read_flush(filp, buf, count, ppos, cd);  in read_flush_pipefs()
1874 	struct cache_detail *cd = RPC_I(file_inode(filp))->private;  in write_flush_pipefs()  local
1876 	return write_flush(filp, buf, count, ppos, cd);  in write_flush_pipefs()
1889 				 struct cache_detail *cd)  in sunrpc_cache_register_pipefs()  argument
1891 	struct dentry *dir = rpc_create_cache_dir(parent, name, umode, cd);  in sunrpc_cache_register_pipefs()
1894 	cd->pipefs = dir;  in sunrpc_cache_register_pipefs()
1899 void sunrpc_cache_unregister_pipefs(struct cache_detail *cd)  in sunrpc_cache_unregister_pipefs()  argument
1901 	if (cd->pipefs) {  in sunrpc_cache_unregister_pipefs()
1902 		rpc_remove_cache_dir(cd->pipefs);  in sunrpc_cache_unregister_pipefs()
1903 		cd->pipefs = NULL;  in sunrpc_cache_unregister_pipefs()
1908 void sunrpc_cache_unhash(struct cache_detail *cd, struct cache_head *h)  in sunrpc_cache_unhash()  argument
1910 	spin_lock(&cd->hash_lock);  in sunrpc_cache_unhash()
1912 		sunrpc_begin_cache_remove_entry(h, cd);  in sunrpc_cache_unhash()
1913 		spin_unlock(&cd->hash_lock);  in sunrpc_cache_unhash()
1914 		sunrpc_end_cache_remove_entry(h, cd);  in sunrpc_cache_unhash()
1916 		spin_unlock(&cd->hash_lock);  in sunrpc_cache_unhash()