26 static struct cached_fid *find_or_create_cached_dir(struct cached_fids *cfids,  in find_or_create_cached_dir()  argument
33 	list_for_each_entry(cfid, &cfids->entries, entry) {  in find_or_create_cached_dir()
49 	if (cfids->num_entries >= max_cached_dirs) {  in find_or_create_cached_dir()
56 	cfid->cfids = cfids;  in find_or_create_cached_dir()
57 	cfids->num_entries++;  in find_or_create_cached_dir()
58 	list_add(&cfid->entry, &cfids->entries);  in find_or_create_cached_dir()
155 	struct cached_fids *cfids;  in open_cached_dir()  local
167 	cfids = tcon->cfids;  in open_cached_dir()
169 	if (cfids == NULL)  in open_cached_dir()
185 	spin_lock(&cfids->cfid_list_lock);  in open_cached_dir()
186 	cfid = find_or_create_cached_dir(cfids, path, lookup_only, tcon->max_cached_dirs);  in open_cached_dir()
188 		spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
199 		spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
204 	spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
232 			spin_lock(&cfids->cfid_list_lock);  in open_cached_dir()
233 			list_for_each_entry(parent_cfid, &cfids->entries, entry) {  in open_cached_dir()
246 			spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
328 	spin_lock(&cfids->cfid_list_lock);  in open_cached_dir()
339 		spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
349 		spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
355 		spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
360 		spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
372 	spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
383 		spin_lock(&cfids->cfid_list_lock);  in open_cached_dir()
387 			cfids->num_entries--;  in open_cached_dir()
398 		spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir()
419 	struct cached_fids *cfids = tcon->cfids;  in open_cached_dir_by_dentry()  local
421 	if (cfids == NULL)  in open_cached_dir_by_dentry()
427 	spin_lock(&cfids->cfid_list_lock);  in open_cached_dir_by_dentry()
428 	list_for_each_entry(cfid, &cfids->entries, entry) {  in open_cached_dir_by_dentry()
436 			spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir_by_dentry()
440 	spin_unlock(&cfids->cfid_list_lock);  in open_cached_dir_by_dentry()
446 __releases(&cfid->cfids->cfid_list_lock)  in smb2_close_cached_fid()
452 	lockdep_assert_held(&cfid->cfids->cfid_list_lock);  in smb2_close_cached_fid()
457 		cfid->cfids->num_entries--;  in smb2_close_cached_fid()
459 	spin_unlock(&cfid->cfids->cfid_list_lock);  in smb2_close_cached_fid()
485 	spin_lock(&cfid->cfids->cfid_list_lock);  in drop_cached_dir_by_name()
490 	spin_unlock(&cfid->cfids->cfid_list_lock);  in drop_cached_dir_by_name()
506 	lockdep_assert_not_held(&cfid->cfids->cfid_list_lock);  in close_cached_dir()
507 	kref_put_lock(&cfid->refcount, smb2_close_cached_fid, &cfid->cfids->cfid_list_lock);  in close_cached_dir()
526 	lockdep_assert_held(&cfid->cfids->cfid_list_lock);  in close_cached_dir_locked()
544 	struct cached_fids *cfids;  in close_all_cached_dirs()  local
554 		cfids = tcon->cfids;  in close_all_cached_dirs()
555 		if (cfids == NULL)  in close_all_cached_dirs()
557 		spin_lock(&cfids->cfid_list_lock);  in close_all_cached_dirs()
558 		list_for_each_entry(cfid, &cfids->entries, entry) {  in close_all_cached_dirs()
567 				spin_unlock(&cfids->cfid_list_lock);  in close_all_cached_dirs()
577 		spin_unlock(&cfids->cfid_list_lock);  in close_all_cached_dirs()
598 	struct cached_fids *cfids = tcon->cfids;  in invalidate_all_cached_dirs()  local
601 	if (cfids == NULL)  in invalidate_all_cached_dirs()
609 	spin_lock(&cfids->cfid_list_lock);  in invalidate_all_cached_dirs()
610 	list_for_each_entry_safe(cfid, q, &cfids->entries, entry) {  in invalidate_all_cached_dirs()
611 		list_move(&cfid->entry, &cfids->dying);  in invalidate_all_cached_dirs()
612 		cfids->num_entries--;  in invalidate_all_cached_dirs()
624 	spin_unlock(&cfids->cfid_list_lock);  in invalidate_all_cached_dirs()
627 	mod_delayed_work(cfid_put_wq, &cfids->laundromat_work, 0);  in invalidate_all_cached_dirs()
628 	flush_delayed_work(&cfids->laundromat_work);  in invalidate_all_cached_dirs()
663 	struct cached_fids *cfids = tcon->cfids;  in cached_dir_lease_break()  local
666 	if (cfids == NULL)  in cached_dir_lease_break()
669 	spin_lock(&cfids->cfid_list_lock);  in cached_dir_lease_break()
670 	list_for_each_entry(cfid, &cfids->entries, entry) {  in cached_dir_lease_break()
683 			cfids->num_entries--;  in cached_dir_lease_break()
689 			spin_unlock(&cfids->cfid_list_lock);  in cached_dir_lease_break()
693 	spin_unlock(&cfids->cfid_list_lock);  in cached_dir_lease_break()
739 	if (cfid->cfids) {  in free_cached_dir()
742 					&cfid->cfids->total_dirents_entries);  in free_cached_dir()
745 					&cfid->cfids->total_dirents_bytes);  in free_cached_dir()
760 	struct cached_fids *cfids;  in cfids_laundromat_worker()  local
764 	cfids = container_of(work, struct cached_fids, laundromat_work.work);  in cfids_laundromat_worker()
766 	spin_lock(&cfids->cfid_list_lock);  in cfids_laundromat_worker()
768 	list_cut_before(&entry, &cfids->dying, &cfids->dying);  in cfids_laundromat_worker()
770 	list_for_each_entry_safe(cfid, q, &cfids->entries, entry) {  in cfids_laundromat_worker()
775 			cfids->num_entries--;  in cfids_laundromat_worker()
786 	spin_unlock(&cfids->cfid_list_lock);  in cfids_laundromat_worker()
808 	queue_delayed_work(cfid_put_wq, &cfids->laundromat_work,  in cfids_laundromat_worker()
814 	struct cached_fids *cfids;  in init_cached_dirs()  local
816 	cfids = kzalloc_obj(*cfids);  in init_cached_dirs()
817 	if (!cfids)  in init_cached_dirs()
819 	spin_lock_init(&cfids->cfid_list_lock);  in init_cached_dirs()
820 	INIT_LIST_HEAD(&cfids->entries);  in init_cached_dirs()
821 	INIT_LIST_HEAD(&cfids->dying);  in init_cached_dirs()
823 	INIT_DELAYED_WORK(&cfids->laundromat_work, cfids_laundromat_worker);  in init_cached_dirs()
824 	queue_delayed_work(cfid_put_wq, &cfids->laundromat_work,  in init_cached_dirs()
827 	atomic_long_set(&cfids->total_dirents_entries, 0);  in init_cached_dirs()
828 	atomic64_set(&cfids->total_dirents_bytes, 0);  in init_cached_dirs()
830 	return cfids;  in init_cached_dirs()
837 void free_cached_dirs(struct cached_fids *cfids)  in free_cached_dirs()  argument
842 	if (cfids == NULL)  in free_cached_dirs()
845 	cancel_delayed_work_sync(&cfids->laundromat_work);  in free_cached_dirs()
847 	spin_lock(&cfids->cfid_list_lock);  in free_cached_dirs()
848 	list_for_each_entry_safe(cfid, q, &cfids->entries, entry) {  in free_cached_dirs()
853 	list_for_each_entry_safe(cfid, q, &cfids->dying, entry) {  in free_cached_dirs()
858 	spin_unlock(&cfids->cfid_list_lock);  in free_cached_dirs()
865 	kfree(cfids);  in free_cached_dirs()