322 static int ext4_alloc_branch(handle_t *handle,  in ext4_alloc_branch()  argument
334 			new_blocks[i] = ext4_mb_new_blocks(handle, ar, &err);  in ext4_alloc_branch()
336 			ar->goal = new_blocks[i] = ext4_new_meta_blocks(handle,  in ext4_alloc_branch()
355 		err = ext4_journal_get_create_access(handle, bh);  in ext4_alloc_branch()
375 		err = ext4_handle_dirty_metadata(handle, ar->inode, bh);  in ext4_alloc_branch()
389 			ext4_forget(handle, 1, ar->inode, branch[i].bh,  in ext4_alloc_branch()
391 		ext4_free_blocks(handle, ar->inode, NULL, new_blocks[i],  in ext4_alloc_branch()
412 static int ext4_splice_branch(handle_t *handle,  in ext4_splice_branch()  argument
427 		err = ext4_journal_get_write_access(handle, where->bh);  in ext4_splice_branch()
458 		err = ext4_handle_dirty_metadata(handle, ar->inode, where->bh);  in ext4_splice_branch()
465 		ext4_mark_inode_dirty(handle, ar->inode);  in ext4_splice_branch()
477 		ext4_free_blocks(handle, ar->inode, where[i].bh, 0, 1,  in ext4_splice_branch()
480 	ext4_free_blocks(handle, ar->inode, NULL, le32_to_cpu(where[num].key),  in ext4_splice_branch()
514 int ext4_ind_map_blocks(handle_t *handle, struct inode *inode,  in ext4_ind_map_blocks()  argument
531 	J_ASSERT(handle != NULL || (flags & EXT4_GET_BLOCKS_CREATE) == 0);  in ext4_ind_map_blocks()
597 	err = ext4_alloc_branch(handle, &ar, indirect_blks,  in ext4_ind_map_blocks()
608 		err = ext4_splice_branch(handle, &ar, partial, indirect_blks);  in ext4_ind_map_blocks()
614 	ext4_update_inode_fsync_trans(handle, inode, 1);  in ext4_ind_map_blocks()
653 	handle_t *handle;  in ext4_ind_direct_IO()  local
664 			handle = ext4_journal_start(inode, EXT4_HT_INODE, 2);  in ext4_ind_direct_IO()
665 			if (IS_ERR(handle)) {  in ext4_ind_direct_IO()
666 				ret = PTR_ERR(handle);  in ext4_ind_direct_IO()
669 			ret = ext4_orphan_add(handle, inode);  in ext4_ind_direct_IO()
671 				ext4_journal_stop(handle);  in ext4_ind_direct_IO()
676 			ext4_journal_stop(handle);  in ext4_ind_direct_IO()
727 		handle = ext4_journal_start(inode, EXT4_HT_INODE, 2);  in ext4_ind_direct_IO()
728 		if (IS_ERR(handle)) {  in ext4_ind_direct_IO()
732 			ret = PTR_ERR(handle);  in ext4_ind_direct_IO()
739 			ext4_orphan_del(handle, inode);  in ext4_ind_direct_IO()
752 				ext4_mark_inode_dirty(handle, inode);  in ext4_ind_direct_IO()
755 		err = ext4_journal_stop(handle);  in ext4_ind_direct_IO()
815 static int try_to_extend_transaction(handle_t *handle, struct inode *inode)  in try_to_extend_transaction()  argument
817 	if (!ext4_handle_valid(handle))  in try_to_extend_transaction()
819 	if (ext4_handle_has_enough_credits(handle, EXT4_RESERVE_TRANS_BLOCKS+1))  in try_to_extend_transaction()
821 	if (!ext4_journal_extend(handle, ext4_blocks_for_truncate(inode)))  in try_to_extend_transaction()
934 static int ext4_clear_blocks(handle_t *handle, struct inode *inode,  in ext4_clear_blocks()  argument
957 	if (try_to_extend_transaction(handle, inode)) {  in ext4_clear_blocks()
960 			err = ext4_handle_dirty_metadata(handle, inode, bh);  in ext4_clear_blocks()
964 		err = ext4_mark_inode_dirty(handle, inode);  in ext4_clear_blocks()
967 		err = ext4_truncate_restart_trans(handle, inode,  in ext4_clear_blocks()
973 			err = ext4_journal_get_write_access(handle, bh);  in ext4_clear_blocks()
982 	ext4_free_blocks(handle, inode, NULL, block_to_free, count, flags);  in ext4_clear_blocks()
1008 static void ext4_free_data(handle_t *handle, struct inode *inode,  in ext4_free_data()  argument
1024 		err = ext4_journal_get_write_access(handle, this_bh);  in ext4_free_data()
1042 				err = ext4_clear_blocks(handle, inode, this_bh,  in ext4_free_data()
1055 		err = ext4_clear_blocks(handle, inode, this_bh, block_to_free,  in ext4_free_data()
1071 			ext4_handle_dirty_metadata(handle, inode, this_bh);  in ext4_free_data()
1093 static void ext4_free_branches(handle_t *handle, struct inode *inode,  in ext4_free_branches()  argument
1100 	if (ext4_handle_is_aborted(handle))  in ext4_free_branches()
1136 			ext4_free_branches(handle, inode, bh,  in ext4_free_branches()
1158 			if (ext4_handle_is_aborted(handle))  in ext4_free_branches()
1160 			if (try_to_extend_transaction(handle, inode)) {  in ext4_free_branches()
1161 				ext4_mark_inode_dirty(handle, inode);  in ext4_free_branches()
1162 				ext4_truncate_restart_trans(handle, inode,  in ext4_free_branches()
1177 			ext4_free_blocks(handle, inode, NULL, nr, 1,  in ext4_free_branches()
1187 				if (!ext4_journal_get_write_access(handle,  in ext4_free_branches()
1192 					ext4_handle_dirty_metadata(handle,  in ext4_free_branches()
1201 		ext4_free_data(handle, inode, parent_bh, first, last);  in ext4_free_branches()
1205 void ext4_ind_truncate(handle_t *handle, struct inode *inode)  in ext4_ind_truncate()  argument
1247 		ext4_free_data(handle, inode, NULL, i_data+offsets[0],  in ext4_ind_truncate()
1257 			ext4_free_branches(handle, inode, NULL,  in ext4_ind_truncate()
1267 			ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_truncate()
1274 		ext4_free_branches(handle, inode, partial->bh, partial->p + 1,  in ext4_ind_truncate()
1287 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 1);  in ext4_ind_truncate()
1293 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 2);  in ext4_ind_truncate()
1299 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 3);  in ext4_ind_truncate()
1317 int ext4_ind_remove_space(handle_t *handle, struct inode *inode,  in ext4_ind_remove_space()  argument
1345 		ext4_free_data(handle, inode, NULL, i_data + offsets[0],  in ext4_ind_remove_space()
1361 			ext4_free_data(handle, inode, NULL, i_data + offsets[0],  in ext4_ind_remove_space()
1371 				ext4_free_branches(handle, inode, NULL,  in ext4_ind_remove_space()
1377 				ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1388 			ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1424 			ext4_free_branches(handle, inode, partial2->bh,  in ext4_ind_remove_space()
1455 				ext4_free_branches(handle, inode, NULL,  in ext4_ind_remove_space()
1462 				ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1490 			ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1509 			ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1518 			ext4_free_branches(handle, inode, partial2->bh,  in ext4_ind_remove_space()
1537 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 1);  in ext4_ind_remove_space()
1545 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 2);  in ext4_ind_remove_space()
1553 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 3);  in ext4_ind_remove_space()