18 static struct cached_fid *find_or_create_cached_dir(struct cached_fids *cfids,  in find_or_create_cached_dir()  argument
24 	spin_lock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
25 	list_for_each_entry(cfid, &cfids->entries, entry) {  in find_or_create_cached_dir()
33 				spin_unlock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
37 			spin_unlock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
42 		spin_unlock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
45 	if (cfids->num_entries >= MAX_CACHED_FIDS) {  in find_or_create_cached_dir()
46 		spin_unlock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
51 		spin_unlock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
54 	cfid->cfids = cfids;  in find_or_create_cached_dir()
55 	cfids->num_entries++;  in find_or_create_cached_dir()
56 	list_add(&cfid->entry, &cfids->entries);  in find_or_create_cached_dir()
59 	spin_unlock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
126 	struct cached_fids *cfids;  in open_cached_dir()  local
128 	if (tcon == NULL || tcon->cfids == NULL || tcon->nohandlecache ||  in open_cached_dir()
134 	cfids = tcon->cfids;  in open_cached_dir()
146 	cfid = find_or_create_cached_dir(cfids, path, lookup_only);  in open_cached_dir()
273 	spin_lock(&cfids->cfid_list_lock);  in open_cached_dir()
278 			cfids->num_entries--;  in open_cached_dir()
282 	spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
299 	struct cached_fids *cfids = tcon->cfids;  in open_cached_dir_by_dentry()  local
301 	if (cfids == NULL)  in open_cached_dir_by_dentry()
304 	spin_lock(&cfids->cfid_list_lock);  in open_cached_dir_by_dentry()
305 	list_for_each_entry(cfid, &cfids->entries, entry) {  in open_cached_dir_by_dentry()
310 			spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir_by_dentry()
314 	spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir_by_dentry()
324 	spin_lock(&cfid->cfids->cfid_list_lock);  in smb2_close_cached_fid()
328 		cfid->cfids->num_entries--;  in smb2_close_cached_fid()
330 	spin_unlock(&cfid->cfids->cfid_list_lock);  in smb2_close_cached_fid()
354 	spin_lock(&cfid->cfids->cfid_list_lock);  in drop_cached_dir_by_name()
359 	spin_unlock(&cfid->cfids->cfid_list_lock);  in drop_cached_dir_by_name()
379 	struct cached_fids *cfids;  in close_all_cached_dirs()  local
386 		cfids = tcon->cfids;  in close_all_cached_dirs()
387 		if (cfids == NULL)  in close_all_cached_dirs()
389 		list_for_each_entry(cfid, &cfids->entries, entry) {  in close_all_cached_dirs()
402 	struct cached_fids *cfids = tcon->cfids;  in invalidate_all_cached_dirs()  local
406 	spin_lock(&cfids->cfid_list_lock);  in invalidate_all_cached_dirs()
407 	list_for_each_entry_safe(cfid, q, &cfids->entries, entry) {  in invalidate_all_cached_dirs()
409 		cfids->num_entries--;  in invalidate_all_cached_dirs()
415 	spin_unlock(&cfids->cfid_list_lock);  in invalidate_all_cached_dirs()
425 			spin_lock(&cfids->cfid_list_lock);  in invalidate_all_cached_dirs()
427 			spin_unlock(&cfids->cfid_list_lock);  in invalidate_all_cached_dirs()
441 	spin_lock(&cfid->cfids->cfid_list_lock);  in smb2_cached_lease_break()
443 	spin_unlock(&cfid->cfids->cfid_list_lock);  in smb2_cached_lease_break()
449 	struct cached_fids *cfids = tcon->cfids;  in cached_dir_lease_break()  local
452 	if (cfids == NULL)  in cached_dir_lease_break()
455 	spin_lock(&cfids->cfid_list_lock);  in cached_dir_lease_break()
456 	list_for_each_entry(cfid, &cfids->entries, entry) {  in cached_dir_lease_break()
468 			cfids->num_entries--;  in cached_dir_lease_break()
472 			spin_unlock(&cfids->cfid_list_lock);  in cached_dir_lease_break()
476 	spin_unlock(&cfids->cfid_list_lock);  in cached_dir_lease_break()
525 	struct cached_fids *cfids;  in init_cached_dirs()  local
527 	cfids = kzalloc(sizeof(*cfids), GFP_KERNEL);  in init_cached_dirs()
528 	if (!cfids)  in init_cached_dirs()
530 	spin_lock_init(&cfids->cfid_list_lock);  in init_cached_dirs()
531 	INIT_LIST_HEAD(&cfids->entries);  in init_cached_dirs()
532 	return cfids;  in init_cached_dirs()
539 void free_cached_dirs(struct cached_fids *cfids)  in free_cached_dirs()  argument
544 	spin_lock(&cfids->cfid_list_lock);  in free_cached_dirs()
545 	list_for_each_entry_safe(cfid, q, &cfids->entries, entry) {  in free_cached_dirs()
550 	spin_unlock(&cfids->cfid_list_lock);  in free_cached_dirs()
557 	kfree(cfids);  in free_cached_dirs()