148 static int es_reclaim_extents(struct ext4_inode_info *ei, int *nr_to_scan);
300 	struct ext4_inode_info *ei = EXT4_I(inode);  in ext4_es_list_add()  local
303 	if (!list_empty(&ei->i_es_list))  in ext4_es_list_add()
307 	if (list_empty(&ei->i_es_list)) {  in ext4_es_list_add()
308 		list_add_tail(&ei->i_es_list, &sbi->s_es_list);  in ext4_es_list_add()
316 	struct ext4_inode_info *ei = EXT4_I(inode);  in ext4_es_list_del()  local
320 	if (!list_empty(&ei->i_es_list)) {  in ext4_es_list_del()
321 		list_del_init(&ei->i_es_list);  in ext4_es_list_del()
975 	struct ext4_inode_info *ei;  in __es_shrink()  local
994 		ei = list_first_entry(&sbi->s_es_list, struct ext4_inode_info,  in __es_shrink()
997 		list_move_tail(&ei->i_es_list, &sbi->s_es_list);  in __es_shrink()
1003 		if (!retried && ext4_test_inode_state(&ei->vfs_inode,  in __es_shrink()
1009 		if (ei == locked_ei || !write_trylock(&ei->i_es_lock)) {  in __es_shrink()
1019 		nr_shrunk += es_reclaim_extents(ei, &nr_to_scan);  in __es_shrink()
1020 		write_unlock(&ei->i_es_lock);  in __es_shrink()
1107 	struct ext4_inode_info *ei, *max = NULL;  in ext4_es_seq_shrinker_info_show()  local
1115 	list_for_each_entry(ei, &sbi->s_es_list, i_es_list) {  in ext4_es_seq_shrinker_info_show()
1117 		if (max && max->i_es_all_nr < ei->i_es_all_nr)  in ext4_es_seq_shrinker_info_show()
1118 			max = ei;  in ext4_es_seq_shrinker_info_show()
1120 			max = ei;  in ext4_es_seq_shrinker_info_show()
1243 static int es_do_reclaim_extents(struct ext4_inode_info *ei, ext4_lblk_t end,  in es_do_reclaim_extents()  argument
1246 	struct inode *inode = &ei->vfs_inode;  in es_do_reclaim_extents()
1247 	struct ext4_es_tree *tree = &ei->i_es_tree;  in es_do_reclaim_extents()
1251 	es = __es_tree_search(&tree->root, ei->i_es_shrink_lblk);  in es_do_reclaim_extents()
1257 			ei->i_es_shrink_lblk = end + 1;  in es_do_reclaim_extents()
1282 	ei->i_es_shrink_lblk = es->es_lblk;  in es_do_reclaim_extents()
1285 	ei->i_es_shrink_lblk = 0;  in es_do_reclaim_extents()
1289 static int es_reclaim_extents(struct ext4_inode_info *ei, int *nr_to_scan)  in es_reclaim_extents()  argument
1291 	struct inode *inode = &ei->vfs_inode;  in es_reclaim_extents()
1293 	ext4_lblk_t start = ei->i_es_shrink_lblk;  in es_reclaim_extents()
1297 	if (ei->i_es_shk_nr == 0)  in es_reclaim_extents()
1304 	if (!es_do_reclaim_extents(ei, EXT_MAX_BLOCKS, nr_to_scan, &nr_shrunk) &&  in es_reclaim_extents()
1306 		es_do_reclaim_extents(ei, start - 1, nr_to_scan, &nr_shrunk);  in es_reclaim_extents()
1308 	ei->i_es_tree.cache_es = NULL;  in es_reclaim_extents()