55 static void release_system_zone(struct ext4_system_blocks *system_blks)  in release_system_zone()  argument
60 				&system_blks->root, node)  in release_system_zone()
69 static int add_system_zone(struct ext4_system_blocks *system_blks,  in add_system_zone()  argument
74 	struct rb_node **n = &system_blks->root.rb_node, *node;  in add_system_zone()
98 	rb_insert_color(new_node, &system_blks->root);  in add_system_zone()
107 			rb_erase(node, &system_blks->root);  in add_system_zone()
118 			rb_erase(node, &system_blks->root);  in add_system_zone()
132 	node = rb_first(&sbi->system_blks->root);  in debug_print_tree()
149 				     struct ext4_system_blocks *system_blks,  in ext4_data_block_valid_rcu()  argument
163 	if (system_blks == NULL)  in ext4_data_block_valid_rcu()
166 	n = system_blks->root.rb_node;  in ext4_data_block_valid_rcu()
184 				       struct ext4_system_blocks *system_blks,  in ext4_protect_reserved_inode()  argument
212 			err = add_system_zone(system_blks, map.m_pblk, n, ino);  in ext4_protect_reserved_inode()
231 	struct ext4_system_blocks *system_blks;  in ext4_destroy_system_zone()  local
233 	system_blks = container_of(rcu, struct ext4_system_blocks, rcu);  in ext4_destroy_system_zone()
234 	release_system_zone(system_blks);  in ext4_destroy_system_zone()
235 	kfree(system_blks);  in ext4_destroy_system_zone()
251 	struct ext4_system_blocks *system_blks;  in ext4_setup_system_zone()  local
257 	system_blks = kzalloc(sizeof(*system_blks), GFP_KERNEL);  in ext4_setup_system_zone()
258 	if (!system_blks)  in ext4_setup_system_zone()
264 			add_system_zone(system_blks,  in ext4_setup_system_zone()
268 		ret = add_system_zone(system_blks,  in ext4_setup_system_zone()
272 		ret = add_system_zone(system_blks,  in ext4_setup_system_zone()
276 		ret = add_system_zone(system_blks,  in ext4_setup_system_zone()
283 		ret = ext4_protect_reserved_inode(sb, system_blks,  in ext4_setup_system_zone()
294 	rcu_assign_pointer(sbi->system_blks, system_blks);  in ext4_setup_system_zone()
300 	release_system_zone(system_blks);  in ext4_setup_system_zone()
301 	kfree(system_blks);  in ext4_setup_system_zone()
317 	struct ext4_system_blocks *system_blks;  in ext4_release_system_zone()  local
319 	system_blks = rcu_dereference_protected(EXT4_SB(sb)->system_blks,  in ext4_release_system_zone()
321 	rcu_assign_pointer(EXT4_SB(sb)->system_blks, NULL);  in ext4_release_system_zone()
323 	if (system_blks)  in ext4_release_system_zone()
324 		call_rcu(&system_blks->rcu, ext4_destroy_system_zone);  in ext4_release_system_zone()
330 	struct ext4_system_blocks *system_blks;  in ext4_inode_block_valid()  local
339 	system_blks = rcu_dereference(EXT4_SB(inode->i_sb)->system_blks);  in ext4_inode_block_valid()
340 	ret = ext4_data_block_valid_rcu(EXT4_SB(inode->i_sb), system_blks,  in ext4_inode_block_valid()