99 static void cachefiles_mark_object_buried(struct cachefiles_cache *cache,  in cachefiles_mark_object_buried()  argument
108 	write_lock(&cache->active_lock);  in cachefiles_mark_object_buried()
110 	p = cache->active_nodes.rb_node;  in cachefiles_mark_object_buried()
121 	write_unlock(&cache->active_lock);  in cachefiles_mark_object_buried()
141 	write_unlock(&cache->active_lock);  in cachefiles_mark_object_buried()
148 static int cachefiles_mark_object_active(struct cachefiles_cache *cache,  in cachefiles_mark_object_active()  argument
158 	write_lock(&cache->active_lock);  in cachefiles_mark_object_active()
167 	_p = &cache->active_nodes.rb_node;  in cachefiles_mark_object_active()
184 	rb_insert_color(&object->active_node, &cache->active_nodes);  in cachefiles_mark_object_active()
186 	write_unlock(&cache->active_lock);  in cachefiles_mark_object_active()
200 	write_unlock(&cache->active_lock);  in cachefiles_mark_object_active()
250 	cache->cache.ops->put_object(&xobject->fscache);  in cachefiles_mark_object_active()
255 	cache->cache.ops->put_object(&xobject->fscache);  in cachefiles_mark_object_active()
267 static int cachefiles_bury_object(struct cachefiles_cache *cache,  in cachefiles_bury_object()  argument
286 		path.mnt = cache->mnt;  in cachefiles_bury_object()
290 			cachefiles_io_error(cache, "Unlink security error");  in cachefiles_bury_object()
295 				cachefiles_mark_object_buried(cache, rep, why);  in cachefiles_bury_object()
301 			cachefiles_io_error(cache, "Unlink failed");  in cachefiles_bury_object()
315 		(uint32_t) atomic_inc_return(&cache->gravecounter));  in cachefiles_bury_object()
318 	trap = lock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
324 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
329 	if (!d_can_lookup(cache->graveyard)) {  in cachefiles_bury_object()
330 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
331 		cachefiles_io_error(cache, "Graveyard no longer a directory");  in cachefiles_bury_object()
336 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
337 		cachefiles_io_error(cache, "May not make directory loop");  in cachefiles_bury_object()
342 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
343 		cachefiles_io_error(cache, "Mountpoint in cache");  in cachefiles_bury_object()
347 	grave = lookup_one_len(nbuffer, cache->graveyard, strlen(nbuffer));  in cachefiles_bury_object()
349 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
356 		cachefiles_io_error(cache, "Lookup error %ld",  in cachefiles_bury_object()
362 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
370 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
372 		cachefiles_io_error(cache, "Mountpoint in graveyard");  in cachefiles_bury_object()
378 		unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
380 		cachefiles_io_error(cache, "May not make directory loop");  in cachefiles_bury_object()
385 	path.mnt = cache->mnt;  in cachefiles_bury_object()
387 	path_to_graveyard.mnt = cache->mnt;  in cachefiles_bury_object()
388 	path_to_graveyard.dentry = cache->graveyard;  in cachefiles_bury_object()
391 		cachefiles_io_error(cache, "Rename security error %d", ret);  in cachefiles_bury_object()
394 				 d_inode(cache->graveyard), grave, NULL, 0);  in cachefiles_bury_object()
396 			cachefiles_io_error(cache,  in cachefiles_bury_object()
400 			cachefiles_mark_object_buried(cache, rep, why);  in cachefiles_bury_object()
403 	unlock_rename(cache->graveyard, dir);  in cachefiles_bury_object()
412 int cachefiles_delete_object(struct cachefiles_cache *cache,  in cachefiles_delete_object()  argument
438 			ret = cachefiles_bury_object(cache, dir,  in cachefiles_delete_object()
464 	struct cachefiles_cache *cache;  in cachefiles_walk_to_object()  local
475 	cache = container_of(parent->fscache.cache,  in cachefiles_walk_to_object()
476 			     struct cachefiles_cache, cache);  in cachefiles_walk_to_object()
477 	path.mnt = cache->mnt;  in cachefiles_walk_to_object()
527 			ret = cachefiles_has_space(cache, 1, 0);  in cachefiles_walk_to_object()
556 			ret = cachefiles_has_space(cache, 1, 0);  in cachefiles_walk_to_object()
609 			ret = cachefiles_bury_object(cache, dir, next, true,  in cachefiles_walk_to_object()
624 	ret = cachefiles_mark_object_active(cache, object);  in cachefiles_walk_to_object()
678 		cachefiles_io_error(cache, "Create/mkdir failed");  in cachefiles_walk_to_object()
687 	write_lock(&cache->active_lock);  in cachefiles_walk_to_object()
688 	rb_erase(&object->active_node, &cache->active_nodes);  in cachefiles_walk_to_object()
691 	write_unlock(&cache->active_lock);  in cachefiles_walk_to_object()
705 		cachefiles_io_error(cache, "Lookup failed");  in cachefiles_walk_to_object()
720 struct dentry *cachefiles_get_directory(struct cachefiles_cache *cache,  in cachefiles_get_directory()  argument
748 		ret = cachefiles_has_space(cache, 1, 0);  in cachefiles_get_directory()
754 		path.mnt = cache->mnt;  in cachefiles_get_directory()
826 static struct dentry *cachefiles_check_active(struct cachefiles_cache *cache,  in cachefiles_check_active()  argument
862 	read_lock(&cache->active_lock);  in cachefiles_check_active()
864 	_n = cache->active_nodes.rb_node;  in cachefiles_check_active()
877 	read_unlock(&cache->active_lock);  in cachefiles_check_active()
883 	read_unlock(&cache->active_lock);  in cachefiles_check_active()
899 		cachefiles_io_error(cache, "Lookup failed");  in cachefiles_check_active()
913 int cachefiles_cull(struct cachefiles_cache *cache, struct dentry *dir,  in cachefiles_cull()  argument
921 	victim = cachefiles_check_active(cache, dir, filename);  in cachefiles_cull()
933 	ret = cachefiles_remove_object_xattr(cache, victim);  in cachefiles_cull()
940 	ret = cachefiles_bury_object(cache, dir, victim, false,  in cachefiles_cull()
973 int cachefiles_check_in_use(struct cachefiles_cache *cache, struct dentry *dir,  in cachefiles_check_in_use()  argument
981 	victim = cachefiles_check_active(cache, dir, filename);  in cachefiles_check_in_use()