99 static void cachefiles_mark_object_buried(struct cachefiles_cache *cache,  in cachefiles_mark_object_buried()  argument
107 	write_lock(&cache->active_lock);  in cachefiles_mark_object_buried()
109 	p = cache->active_nodes.rb_node;  in cachefiles_mark_object_buried()
120 	write_unlock(&cache->active_lock);  in cachefiles_mark_object_buried()
139 	write_unlock(&cache->active_lock);  in cachefiles_mark_object_buried()
146 static int cachefiles_mark_object_active(struct cachefiles_cache *cache,  in cachefiles_mark_object_active()  argument
156 	write_lock(&cache->active_lock);  in cachefiles_mark_object_active()
165 	_p = &cache->active_nodes.rb_node;  in cachefiles_mark_object_active()
182 	rb_insert_color(&object->active_node, &cache->active_nodes);  in cachefiles_mark_object_active()
184 	write_unlock(&cache->active_lock);  in cachefiles_mark_object_active()
198 	write_unlock(&cache->active_lock);  in cachefiles_mark_object_active()
248 	cache->cache.ops->put_object(&xobject->fscache);  in cachefiles_mark_object_active()
253 	cache->cache.ops->put_object(&xobject->fscache);  in cachefiles_mark_object_active()
265 static int cachefiles_bury_object(struct cachefiles_cache *cache,  in cachefiles_bury_object()  argument
283 		path.mnt = cache->mnt;  in cachefiles_bury_object()
287 			cachefiles_io_error(cache, "Unlink security error");  in cachefiles_bury_object()
292 				cachefiles_mark_object_buried(cache, rep);  in cachefiles_bury_object()
298 			cachefiles_io_error(cache, "Unlink failed");  in cachefiles_bury_object()
312 		(uint32_t) atomic_inc_return(&cache->gravecounter));  in cachefiles_bury_object()
315 	trap = lock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
321 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
326 	if (!d_can_lookup(cache->graveyard)) {  in cachefiles_bury_object()
327 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
328 		cachefiles_io_error(cache, "Graveyard no longer a directory");  in cachefiles_bury_object()
333 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
334 		cachefiles_io_error(cache, "May not make directory loop");  in cachefiles_bury_object()
339 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
340 		cachefiles_io_error(cache, "Mountpoint in cache");  in cachefiles_bury_object()
344 	grave = lookup_one_len(nbuffer, cache->graveyard, strlen(nbuffer));  in cachefiles_bury_object()
346 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
353 		cachefiles_io_error(cache, "Lookup error %ld",  in cachefiles_bury_object()
359 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
367 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
369 		cachefiles_io_error(cache, "Mountpoint in graveyard");  in cachefiles_bury_object()
375 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
377 		cachefiles_io_error(cache, "May not make directory loop");  in cachefiles_bury_object()
382 	path.mnt = cache->mnt;  in cachefiles_bury_object()
384 	path_to_graveyard.mnt = cache->mnt;  in cachefiles_bury_object()
385 	path_to_graveyard.dentry = cache->graveyard;  in cachefiles_bury_object()
388 		cachefiles_io_error(cache, "Rename security error %d", ret);  in cachefiles_bury_object()
391 				 d_inode(cache->graveyard), grave, NULL, 0);  in cachefiles_bury_object()
393 			cachefiles_io_error(cache,  in cachefiles_bury_object()
397 			cachefiles_mark_object_buried(cache, rep);  in cachefiles_bury_object()
400 	unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
409 int cachefiles_delete_object(struct cachefiles_cache *cache,  in cachefiles_delete_object()  argument
435 			ret = cachefiles_bury_object(cache, dir,  in cachefiles_delete_object()
460 	struct cachefiles_cache *cache;  in cachefiles_walk_to_object()  local
471 	cache = container_of(parent->fscache.cache,  in cachefiles_walk_to_object()
472 			     struct cachefiles_cache, cache);  in cachefiles_walk_to_object()
473 	path.mnt = cache->mnt;  in cachefiles_walk_to_object()
523 			ret = cachefiles_has_space(cache, 1, 0);  in cachefiles_walk_to_object()
552 			ret = cachefiles_has_space(cache, 1, 0);  in cachefiles_walk_to_object()
605 			ret = cachefiles_bury_object(cache, dir, next, true);  in cachefiles_walk_to_object()
618 	ret = cachefiles_mark_object_active(cache, object);  in cachefiles_walk_to_object()
668 		cachefiles_io_error(cache, "Create/mkdir failed");  in cachefiles_walk_to_object()
677 	write_lock(&cache->active_lock);  in cachefiles_walk_to_object()
678 	rb_erase(&object->active_node, &cache->active_nodes);  in cachefiles_walk_to_object()
681 	write_unlock(&cache->active_lock);  in cachefiles_walk_to_object()
695 		cachefiles_io_error(cache, "Lookup failed");  in cachefiles_walk_to_object()
710 struct dentry *cachefiles_get_directory(struct cachefiles_cache *cache,  in cachefiles_get_directory()  argument
738 		ret = cachefiles_has_space(cache, 1, 0);  in cachefiles_get_directory()
744 		path.mnt = cache->mnt;  in cachefiles_get_directory()
816 static struct dentry *cachefiles_check_active(struct cachefiles_cache *cache,  in cachefiles_check_active()  argument
852 	read_lock(&cache->active_lock);  in cachefiles_check_active()
854 	_n = cache->active_nodes.rb_node;  in cachefiles_check_active()
867 	read_unlock(&cache->active_lock);  in cachefiles_check_active()
873 	read_unlock(&cache->active_lock);  in cachefiles_check_active()
889 		cachefiles_io_error(cache, "Lookup failed");  in cachefiles_check_active()
903 int cachefiles_cull(struct cachefiles_cache *cache, struct dentry *dir,  in cachefiles_cull()  argument
911 	victim = cachefiles_check_active(cache, dir, filename);  in cachefiles_cull()
923 	ret = cachefiles_remove_object_xattr(cache, victim);  in cachefiles_cull()
930 	ret = cachefiles_bury_object(cache, dir, victim, false);  in cachefiles_cull()
962 int cachefiles_check_in_use(struct cachefiles_cache *cache, struct dentry *dir,  in cachefiles_check_in_use()  argument
970 	victim = cachefiles_check_active(cache, dir, filename);  in cachefiles_check_in_use()