16 static void free_cached_dir(struct cached_fid *cfid);
22 	struct cached_fid *cfid;  in find_or_create_cached_dir()  local
25 	list_for_each_entry(cfid, &cfids->entries, entry) {  in find_or_create_cached_dir()
26 		if (!strcmp(cfid->path, path)) {  in find_or_create_cached_dir()
32 			if (!cfid->has_lease) {  in find_or_create_cached_dir()
36 			kref_get(&cfid->refcount);  in find_or_create_cached_dir()
38 			return cfid;  in find_or_create_cached_dir()
49 	cfid = init_cached_dir(path);  in find_or_create_cached_dir()
50 	if (cfid == NULL) {  in find_or_create_cached_dir()
54 	cfid->cfids = cfids;  in find_or_create_cached_dir()
56 	list_add(&cfid->entry, &cfids->entries);  in find_or_create_cached_dir()
57 	cfid->on_list = true;  in find_or_create_cached_dir()
58 	kref_get(&cfid->refcount);  in find_or_create_cached_dir()
60 	return cfid;  in find_or_create_cached_dir()
125 	struct cached_fid *cfid;  in open_cached_dir()  local
146 	cfid = find_or_create_cached_dir(cfids, path, lookup_only);  in open_cached_dir()
147 	if (cfid == NULL) {  in open_cached_dir()
156 	if (cfid->has_lease) {  in open_cached_dir()
157 		*ret_cfid = cfid;  in open_cached_dir()
172 	pfid = &cfid->fid;  in open_cached_dir()
249 				(char *)&cfid->file_all_info))  in open_cached_dir()
250 		cfid->file_all_info_is_valid = true;  in open_cached_dir()
261 	cfid->dentry = dentry;  in open_cached_dir()
262 	cfid->tcon = tcon;  in open_cached_dir()
263 	cfid->time = jiffies;  in open_cached_dir()
264 	cfid->is_open = true;  in open_cached_dir()
265 	cfid->has_lease = true;  in open_cached_dir()
274 	if (!cfid->has_lease) {  in open_cached_dir()
275 		if (cfid->on_list) {  in open_cached_dir()
276 			list_del(&cfid->entry);  in open_cached_dir()
277 			cfid->on_list = false;  in open_cached_dir()
284 		free_cached_dir(cfid);  in open_cached_dir()
285 		cfid = NULL;  in open_cached_dir()
289 		*ret_cfid = cfid;  in open_cached_dir()
298 	struct cached_fid *cfid;  in open_cached_dir_by_dentry()  local
305 	list_for_each_entry(cfid, &cfids->entries, entry) {  in open_cached_dir_by_dentry()
306 		if (dentry && cfid->dentry == dentry) {  in open_cached_dir_by_dentry()
308 			kref_get(&cfid->refcount);  in open_cached_dir_by_dentry()
309 			*ret_cfid = cfid;  in open_cached_dir_by_dentry()
321 	struct cached_fid *cfid = container_of(ref, struct cached_fid,  in smb2_close_cached_fid()  local
324 	spin_lock(&cfid->cfids->cfid_list_lock);  in smb2_close_cached_fid()
325 	if (cfid->on_list) {  in smb2_close_cached_fid()
326 		list_del(&cfid->entry);  in smb2_close_cached_fid()
327 		cfid->on_list = false;  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()
332 	dput(cfid->dentry);  in smb2_close_cached_fid()
333 	cfid->dentry = NULL;  in smb2_close_cached_fid()
335 	if (cfid->is_open) {  in smb2_close_cached_fid()
336 		SMB2_close(0, cfid->tcon, cfid->fid.persistent_fid,  in smb2_close_cached_fid()
337 			   cfid->fid.volatile_fid);  in smb2_close_cached_fid()
340 	free_cached_dir(cfid);  in smb2_close_cached_fid()
346 	struct cached_fid *cfid = NULL;  in drop_cached_dir_by_name()  local
349 	rc = open_cached_dir(xid, tcon, name, cifs_sb, true, &cfid);  in drop_cached_dir_by_name()
354 	spin_lock(&cfid->cfids->cfid_list_lock);  in drop_cached_dir_by_name()
355 	if (cfid->has_lease) {  in drop_cached_dir_by_name()
356 		cfid->has_lease = false;  in drop_cached_dir_by_name()
357 		kref_put(&cfid->refcount, smb2_close_cached_fid);  in drop_cached_dir_by_name()
359 	spin_unlock(&cfid->cfids->cfid_list_lock);  in drop_cached_dir_by_name()
360 	close_cached_dir(cfid);  in drop_cached_dir_by_name()
364 void close_cached_dir(struct cached_fid *cfid)  in close_cached_dir()  argument
366 	kref_put(&cfid->refcount, smb2_close_cached_fid);  in close_cached_dir()
376 	struct cached_fid *cfid;  in close_all_cached_dirs()  local
389 		list_for_each_entry(cfid, &cfids->entries, entry) {  in close_all_cached_dirs()
390 			dput(cfid->dentry);  in close_all_cached_dirs()
391 			cfid->dentry = NULL;  in close_all_cached_dirs()
403 	struct cached_fid *cfid, *q;  in invalidate_all_cached_dirs()  local
407 	list_for_each_entry_safe(cfid, q, &cfids->entries, entry) {  in invalidate_all_cached_dirs()
408 		list_move(&cfid->entry, &entry);  in invalidate_all_cached_dirs()
410 		cfid->is_open = false;  in invalidate_all_cached_dirs()
411 		cfid->on_list = false;  in invalidate_all_cached_dirs()
413 		kref_get(&cfid->refcount);  in invalidate_all_cached_dirs()
417 	list_for_each_entry_safe(cfid, q, &entry, entry) {  in invalidate_all_cached_dirs()
418 		list_del(&cfid->entry);  in invalidate_all_cached_dirs()
419 		cancel_work_sync(&cfid->lease_break);  in invalidate_all_cached_dirs()
420 		if (cfid->has_lease) {  in invalidate_all_cached_dirs()
426 			cfid->has_lease = false;  in invalidate_all_cached_dirs()
428 			kref_put(&cfid->refcount, smb2_close_cached_fid);  in invalidate_all_cached_dirs()
431 		kref_put(&cfid->refcount, smb2_close_cached_fid);  in invalidate_all_cached_dirs()
438 	struct cached_fid *cfid = container_of(work,  in smb2_cached_lease_break()  local
441 	spin_lock(&cfid->cfids->cfid_list_lock);  in smb2_cached_lease_break()
442 	cfid->has_lease = false;  in smb2_cached_lease_break()
443 	spin_unlock(&cfid->cfids->cfid_list_lock);  in smb2_cached_lease_break()
444 	kref_put(&cfid->refcount, smb2_close_cached_fid);  in smb2_cached_lease_break()
450 	struct cached_fid *cfid;  in cached_dir_lease_break()  local
456 	list_for_each_entry(cfid, &cfids->entries, entry) {  in cached_dir_lease_break()
457 		if (cfid->has_lease &&  in cached_dir_lease_break()
459 			    cfid->fid.lease_key,  in cached_dir_lease_break()
461 			cfid->time = 0;  in cached_dir_lease_break()
466 			list_del(&cfid->entry);  in cached_dir_lease_break()
467 			cfid->on_list = false;  in cached_dir_lease_break()
471 				   &cfid->lease_break);  in cached_dir_lease_break()
482 	struct cached_fid *cfid;  in init_cached_dir()  local
484 	cfid = kzalloc(sizeof(*cfid), GFP_ATOMIC);  in init_cached_dir()
485 	if (!cfid)  in init_cached_dir()
487 	cfid->path = kstrdup(path, GFP_ATOMIC);  in init_cached_dir()
488 	if (!cfid->path) {  in init_cached_dir()
489 		kfree(cfid);  in init_cached_dir()
493 	INIT_WORK(&cfid->lease_break, smb2_cached_lease_break);  in init_cached_dir()
494 	INIT_LIST_HEAD(&cfid->entry);  in init_cached_dir()
495 	INIT_LIST_HEAD(&cfid->dirents.entries);  in init_cached_dir()
496 	mutex_init(&cfid->dirents.de_mutex);  in init_cached_dir()
497 	spin_lock_init(&cfid->fid_lock);  in init_cached_dir()
498 	kref_init(&cfid->refcount);  in init_cached_dir()
499 	return cfid;  in init_cached_dir()
502 static void free_cached_dir(struct cached_fid *cfid)  in free_cached_dir()  argument
506 	dput(cfid->dentry);  in free_cached_dir()
507 	cfid->dentry = NULL;  in free_cached_dir()
512 	list_for_each_entry_safe(dirent, q, &cfid->dirents.entries, entry) {  in free_cached_dir()
518 	kfree(cfid->path);  in free_cached_dir()
519 	cfid->path = NULL;  in free_cached_dir()
520 	kfree(cfid);  in free_cached_dir()
541 	struct cached_fid *cfid, *q;  in free_cached_dirs()  local
545 	list_for_each_entry_safe(cfid, q, &cfids->entries, entry) {  in free_cached_dirs()
546 		cfid->on_list = false;  in free_cached_dirs()
547 		cfid->is_open = false;  in free_cached_dirs()
548 		list_move(&cfid->entry, &entry);  in free_cached_dirs()
552 	list_for_each_entry_safe(cfid, q, &entry, entry) {  in free_cached_dirs()
553 		list_del(&cfid->entry);  in free_cached_dirs()
554 		free_cached_dir(cfid);  in free_cached_dirs()