20 static struct cached_fid *find_or_create_cached_dir(struct cached_fids *cfids,  in find_or_create_cached_dir()  argument
27 	spin_lock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
28 	list_for_each_entry(cfid, &cfids->entries, entry) {  in find_or_create_cached_dir()
36 				spin_unlock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
40 			spin_unlock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
45 		spin_unlock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
48 	if (cfids->num_entries >= max_cached_dirs) {  in find_or_create_cached_dir()
49 		spin_unlock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
54 		spin_unlock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
57 	cfid->cfids = cfids;  in find_or_create_cached_dir()
58 	cfids->num_entries++;  in find_or_create_cached_dir()
59 	list_add(&cfid->entry, &cfids->entries);  in find_or_create_cached_dir()
62 	spin_unlock(&cfids->cfid_list_lock);  in find_or_create_cached_dir()
146 	struct cached_fids *cfids;  in open_cached_dir()  local
149 	if (tcon == NULL || tcon->cfids == NULL || tcon->nohandlecache ||  in open_cached_dir()
155 	cfids = tcon->cfids;  in open_cached_dir()
167 	cfid = find_or_create_cached_dir(cfids, path, lookup_only, tcon->max_cached_dirs);  in open_cached_dir()
177 	spin_lock(&cfids->cfid_list_lock);  in open_cached_dir()
179 		spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
184 	spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
301 	spin_lock(&cfids->cfid_list_lock);  in open_cached_dir()
305 	spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
313 	spin_lock(&cfids->cfid_list_lock);  in open_cached_dir()
319 				cfids->num_entries--;  in open_cached_dir()
330 			spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
335 	spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
357 	struct cached_fids *cfids = tcon->cfids;  in open_cached_dir_by_dentry()  local
359 	if (cfids == NULL)  in open_cached_dir_by_dentry()
362 	spin_lock(&cfids->cfid_list_lock);  in open_cached_dir_by_dentry()
363 	list_for_each_entry(cfid, &cfids->entries, entry) {  in open_cached_dir_by_dentry()
368 			spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir_by_dentry()
372 	spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir_by_dentry()
382 	spin_lock(&cfid->cfids->cfid_list_lock);  in smb2_close_cached_fid()
386 		cfid->cfids->num_entries--;  in smb2_close_cached_fid()
388 	spin_unlock(&cfid->cfids->cfid_list_lock);  in smb2_close_cached_fid()
413 	spin_lock(&cfid->cfids->cfid_list_lock);  in drop_cached_dir_by_name()
418 	spin_unlock(&cfid->cfids->cfid_list_lock);  in drop_cached_dir_by_name()
438 	struct cached_fids *cfids;  in close_all_cached_dirs()  local
445 		cfids = tcon->cfids;  in close_all_cached_dirs()
446 		if (cfids == NULL)  in close_all_cached_dirs()
448 		list_for_each_entry(cfid, &cfids->entries, entry) {  in close_all_cached_dirs()
461 	struct cached_fids *cfids = tcon->cfids;  in invalidate_all_cached_dirs()  local
465 	if (cfids == NULL)  in invalidate_all_cached_dirs()
468 	spin_lock(&cfids->cfid_list_lock);  in invalidate_all_cached_dirs()
469 	list_for_each_entry_safe(cfid, q, &cfids->entries, entry) {  in invalidate_all_cached_dirs()
471 		cfids->num_entries--;  in invalidate_all_cached_dirs()
477 	spin_unlock(&cfids->cfid_list_lock);  in invalidate_all_cached_dirs()
487 			spin_lock(&cfids->cfid_list_lock);  in invalidate_all_cached_dirs()
489 			spin_unlock(&cfids->cfid_list_lock);  in invalidate_all_cached_dirs()
503 	spin_lock(&cfid->cfids->cfid_list_lock);  in smb2_cached_lease_break()
505 	spin_unlock(&cfid->cfids->cfid_list_lock);  in smb2_cached_lease_break()
511 	struct cached_fids *cfids = tcon->cfids;  in cached_dir_lease_break()  local
514 	if (cfids == NULL)  in cached_dir_lease_break()
517 	spin_lock(&cfids->cfid_list_lock);  in cached_dir_lease_break()
518 	list_for_each_entry(cfid, &cfids->entries, entry) {  in cached_dir_lease_break()
530 			cfids->num_entries--;  in cached_dir_lease_break()
534 			spin_unlock(&cfids->cfid_list_lock);  in cached_dir_lease_break()
538 	spin_unlock(&cfids->cfid_list_lock);  in cached_dir_lease_break()
587 	struct cached_fids *cfids;  in cfids_laundromat_worker()  local
591 	cfids = container_of(work, struct cached_fids, laundromat_work.work);  in cfids_laundromat_worker()
593 	spin_lock(&cfids->cfid_list_lock);  in cfids_laundromat_worker()
594 	list_for_each_entry_safe(cfid, q, &cfids->entries, entry) {  in cfids_laundromat_worker()
599 			cfids->num_entries--;  in cfids_laundromat_worker()
604 	spin_unlock(&cfids->cfid_list_lock);  in cfids_laundromat_worker()
618 			spin_lock(&cfids->cfid_list_lock);  in cfids_laundromat_worker()
620 			spin_unlock(&cfids->cfid_list_lock);  in cfids_laundromat_worker()
626 	queue_delayed_work(cifsiod_wq, &cfids->laundromat_work,  in cfids_laundromat_worker()
632 	struct cached_fids *cfids;  in init_cached_dirs()  local
634 	cfids = kzalloc(sizeof(*cfids), GFP_KERNEL);  in init_cached_dirs()
635 	if (!cfids)  in init_cached_dirs()
637 	spin_lock_init(&cfids->cfid_list_lock);  in init_cached_dirs()
638 	INIT_LIST_HEAD(&cfids->entries);  in init_cached_dirs()
640 	INIT_DELAYED_WORK(&cfids->laundromat_work, cfids_laundromat_worker);  in init_cached_dirs()
641 	queue_delayed_work(cifsiod_wq, &cfids->laundromat_work,  in init_cached_dirs()
644 	return cfids;  in init_cached_dirs()
651 void free_cached_dirs(struct cached_fids *cfids)  in free_cached_dirs()  argument
656 	if (cfids == NULL)  in free_cached_dirs()
659 	cancel_delayed_work_sync(&cfids->laundromat_work);  in free_cached_dirs()
661 	spin_lock(&cfids->cfid_list_lock);  in free_cached_dirs()
662 	list_for_each_entry_safe(cfid, q, &cfids->entries, entry) {  in free_cached_dirs()
667 	spin_unlock(&cfids->cfid_list_lock);  in free_cached_dirs()
674 	kfree(cfids);  in free_cached_dirs()