321 static int ext4_alloc_branch(handle_t *handle,  in ext4_alloc_branch()  argument
333 			new_blocks[i] = ext4_mb_new_blocks(handle, ar, &err);  in ext4_alloc_branch()
335 			ar->goal = new_blocks[i] = ext4_new_meta_blocks(handle,  in ext4_alloc_branch()
354 		err = ext4_journal_get_create_access(handle, bh);  in ext4_alloc_branch()
374 		err = ext4_handle_dirty_metadata(handle, ar->inode, bh);  in ext4_alloc_branch()
388 			ext4_forget(handle, 1, ar->inode, branch[i].bh,  in ext4_alloc_branch()
390 		ext4_free_blocks(handle, ar->inode, NULL, new_blocks[i],  in ext4_alloc_branch()
411 static int ext4_splice_branch(handle_t *handle,  in ext4_splice_branch()  argument
426 		err = ext4_journal_get_write_access(handle, where->bh);  in ext4_splice_branch()
457 		err = ext4_handle_dirty_metadata(handle, ar->inode, where->bh);  in ext4_splice_branch()
464 		ext4_mark_inode_dirty(handle, ar->inode);  in ext4_splice_branch()
476 		ext4_free_blocks(handle, ar->inode, where[i].bh, 0, 1,  in ext4_splice_branch()
479 	ext4_free_blocks(handle, ar->inode, NULL, le32_to_cpu(where[num].key),  in ext4_splice_branch()
513 int ext4_ind_map_blocks(handle_t *handle, struct inode *inode,  in ext4_ind_map_blocks()  argument
530 	J_ASSERT(handle != NULL || (flags & EXT4_GET_BLOCKS_CREATE) == 0);  in ext4_ind_map_blocks()
595 	err = ext4_alloc_branch(handle, &ar, indirect_blks,  in ext4_ind_map_blocks()
606 		err = ext4_splice_branch(handle, &ar, partial, indirect_blks);  in ext4_ind_map_blocks()
612 	ext4_update_inode_fsync_trans(handle, inode, 1);  in ext4_ind_map_blocks()
651 	handle_t *handle;  in ext4_ind_direct_IO()  local
662 			handle = ext4_journal_start(inode, EXT4_HT_INODE, 2);  in ext4_ind_direct_IO()
663 			if (IS_ERR(handle)) {  in ext4_ind_direct_IO()
664 				ret = PTR_ERR(handle);  in ext4_ind_direct_IO()
667 			ret = ext4_orphan_add(handle, inode);  in ext4_ind_direct_IO()
669 				ext4_journal_stop(handle);  in ext4_ind_direct_IO()
674 			ext4_journal_stop(handle);  in ext4_ind_direct_IO()
725 		handle = ext4_journal_start(inode, EXT4_HT_INODE, 2);  in ext4_ind_direct_IO()
726 		if (IS_ERR(handle)) {  in ext4_ind_direct_IO()
730 			ret = PTR_ERR(handle);  in ext4_ind_direct_IO()
737 			ext4_orphan_del(handle, inode);  in ext4_ind_direct_IO()
750 				ext4_mark_inode_dirty(handle, inode);  in ext4_ind_direct_IO()
753 		err = ext4_journal_stop(handle);  in ext4_ind_direct_IO()
813 static int try_to_extend_transaction(handle_t *handle, struct inode *inode)  in try_to_extend_transaction()  argument
815 	if (!ext4_handle_valid(handle))  in try_to_extend_transaction()
817 	if (ext4_handle_has_enough_credits(handle, EXT4_RESERVE_TRANS_BLOCKS+1))  in try_to_extend_transaction()
819 	if (!ext4_journal_extend(handle, ext4_blocks_for_truncate(inode)))  in try_to_extend_transaction()
932 static int ext4_clear_blocks(handle_t *handle, struct inode *inode,  in ext4_clear_blocks()  argument
955 	if (try_to_extend_transaction(handle, inode)) {  in ext4_clear_blocks()
958 			err = ext4_handle_dirty_metadata(handle, inode, bh);  in ext4_clear_blocks()
962 		err = ext4_mark_inode_dirty(handle, inode);  in ext4_clear_blocks()
965 		err = ext4_truncate_restart_trans(handle, inode,  in ext4_clear_blocks()
971 			err = ext4_journal_get_write_access(handle, bh);  in ext4_clear_blocks()
980 	ext4_free_blocks(handle, inode, NULL, block_to_free, count, flags);  in ext4_clear_blocks()
1006 static void ext4_free_data(handle_t *handle, struct inode *inode,  in ext4_free_data()  argument
1022 		err = ext4_journal_get_write_access(handle, this_bh);  in ext4_free_data()
1040 				err = ext4_clear_blocks(handle, inode, this_bh,  in ext4_free_data()
1053 		err = ext4_clear_blocks(handle, inode, this_bh, block_to_free,  in ext4_free_data()
1069 			ext4_handle_dirty_metadata(handle, inode, this_bh);  in ext4_free_data()
1091 static void ext4_free_branches(handle_t *handle, struct inode *inode,  in ext4_free_branches()  argument
1098 	if (ext4_handle_is_aborted(handle))  in ext4_free_branches()
1134 			ext4_free_branches(handle, inode, bh,  in ext4_free_branches()
1156 			if (ext4_handle_is_aborted(handle))  in ext4_free_branches()
1158 			if (try_to_extend_transaction(handle, inode)) {  in ext4_free_branches()
1159 				ext4_mark_inode_dirty(handle, inode);  in ext4_free_branches()
1160 				ext4_truncate_restart_trans(handle, inode,  in ext4_free_branches()
1175 			ext4_free_blocks(handle, inode, NULL, nr, 1,  in ext4_free_branches()
1185 				if (!ext4_journal_get_write_access(handle,  in ext4_free_branches()
1190 					ext4_handle_dirty_metadata(handle,  in ext4_free_branches()
1199 		ext4_free_data(handle, inode, parent_bh, first, last);  in ext4_free_branches()
1203 void ext4_ind_truncate(handle_t *handle, struct inode *inode)  in ext4_ind_truncate()  argument
1245 		ext4_free_data(handle, inode, NULL, i_data+offsets[0],  in ext4_ind_truncate()
1255 			ext4_free_branches(handle, inode, NULL,  in ext4_ind_truncate()
1265 			ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_truncate()
1272 		ext4_free_branches(handle, inode, partial->bh, partial->p + 1,  in ext4_ind_truncate()
1285 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 1);  in ext4_ind_truncate()
1291 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 2);  in ext4_ind_truncate()
1297 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 3);  in ext4_ind_truncate()
1315 int ext4_ind_remove_space(handle_t *handle, struct inode *inode,  in ext4_ind_remove_space()  argument
1343 		ext4_free_data(handle, inode, NULL, i_data + offsets[0],  in ext4_ind_remove_space()
1359 			ext4_free_data(handle, inode, NULL, i_data + offsets[0],  in ext4_ind_remove_space()
1369 				ext4_free_branches(handle, inode, NULL,  in ext4_ind_remove_space()
1375 				ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1386 			ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1422 			ext4_free_branches(handle, inode, partial2->bh,  in ext4_ind_remove_space()
1453 				ext4_free_branches(handle, inode, NULL,  in ext4_ind_remove_space()
1460 				ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1488 			ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1507 			ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1516 			ext4_free_branches(handle, inode, partial2->bh,  in ext4_ind_remove_space()
1535 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 1);  in ext4_ind_remove_space()
1543 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 2);  in ext4_ind_remove_space()
1551 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 3);  in ext4_ind_remove_space()