328 static int ext4_alloc_branch(handle_t *handle,  in ext4_alloc_branch()  argument
340 			new_blocks[i] = ext4_mb_new_blocks(handle, ar, &err);  in ext4_alloc_branch()
342 			ar->goal = new_blocks[i] = ext4_new_meta_blocks(handle,  in ext4_alloc_branch()
361 		err = ext4_journal_get_create_access(handle, bh);  in ext4_alloc_branch()
381 		err = ext4_handle_dirty_metadata(handle, ar->inode, bh);  in ext4_alloc_branch()
395 			ext4_forget(handle, 1, ar->inode, branch[i].bh,  in ext4_alloc_branch()
397 		ext4_free_blocks(handle, ar->inode, NULL, new_blocks[i],  in ext4_alloc_branch()
414 static int ext4_splice_branch(handle_t *handle,  in ext4_splice_branch()  argument
429 		err = ext4_journal_get_write_access(handle, where->bh);  in ext4_splice_branch()
460 		err = ext4_handle_dirty_metadata(handle, ar->inode, where->bh);  in ext4_splice_branch()
467 		ext4_mark_inode_dirty(handle, ar->inode);  in ext4_splice_branch()
479 		ext4_free_blocks(handle, ar->inode, where[i].bh, 0, 1,  in ext4_splice_branch()
482 	ext4_free_blocks(handle, ar->inode, NULL, le32_to_cpu(where[num].key),  in ext4_splice_branch()
516 int ext4_ind_map_blocks(handle_t *handle, struct inode *inode,  in ext4_ind_map_blocks()  argument
533 	J_ASSERT(handle != NULL || (flags & EXT4_GET_BLOCKS_CREATE) == 0);  in ext4_ind_map_blocks()
620 	err = ext4_alloc_branch(handle, &ar, indirect_blks,  in ext4_ind_map_blocks()
631 		err = ext4_splice_branch(handle, &ar, partial, indirect_blks);  in ext4_ind_map_blocks()
637 	ext4_update_inode_fsync_trans(handle, inode, 1);  in ext4_ind_map_blocks()
719 static int try_to_extend_transaction(handle_t *handle, struct inode *inode)  in try_to_extend_transaction()  argument
721 	if (!ext4_handle_valid(handle))  in try_to_extend_transaction()
723 	if (ext4_handle_has_enough_credits(handle, EXT4_RESERVE_TRANS_BLOCKS+1))  in try_to_extend_transaction()
725 	if (!ext4_journal_extend(handle, ext4_blocks_for_truncate(inode)))  in try_to_extend_transaction()
838 static int ext4_clear_blocks(handle_t *handle, struct inode *inode,  in ext4_clear_blocks()  argument
862 	if (try_to_extend_transaction(handle, inode)) {  in ext4_clear_blocks()
865 			err = ext4_handle_dirty_metadata(handle, inode, bh);  in ext4_clear_blocks()
869 		err = ext4_mark_inode_dirty(handle, inode);  in ext4_clear_blocks()
872 		err = ext4_truncate_restart_trans(handle, inode,  in ext4_clear_blocks()
878 			err = ext4_journal_get_write_access(handle, bh);  in ext4_clear_blocks()
887 	ext4_free_blocks(handle, inode, NULL, block_to_free, count, flags);  in ext4_clear_blocks()
913 static void ext4_free_data(handle_t *handle, struct inode *inode,  in ext4_free_data()  argument
929 		err = ext4_journal_get_write_access(handle, this_bh);  in ext4_free_data()
947 				err = ext4_clear_blocks(handle, inode, this_bh,  in ext4_free_data()
960 		err = ext4_clear_blocks(handle, inode, this_bh, block_to_free,  in ext4_free_data()
976 			ext4_handle_dirty_metadata(handle, inode, this_bh);  in ext4_free_data()
998 static void ext4_free_branches(handle_t *handle, struct inode *inode,  in ext4_free_branches()  argument
1005 	if (ext4_handle_is_aborted(handle))  in ext4_free_branches()
1041 			ext4_free_branches(handle, inode, bh,  in ext4_free_branches()
1063 			if (ext4_handle_is_aborted(handle))  in ext4_free_branches()
1065 			if (try_to_extend_transaction(handle, inode)) {  in ext4_free_branches()
1066 				ext4_mark_inode_dirty(handle, inode);  in ext4_free_branches()
1067 				ext4_truncate_restart_trans(handle, inode,  in ext4_free_branches()
1082 			ext4_free_blocks(handle, inode, NULL, nr, 1,  in ext4_free_branches()
1092 				if (!ext4_journal_get_write_access(handle,  in ext4_free_branches()
1097 					ext4_handle_dirty_metadata(handle,  in ext4_free_branches()
1106 		ext4_free_data(handle, inode, parent_bh, first, last);  in ext4_free_branches()
1110 void ext4_ind_truncate(handle_t *handle, struct inode *inode)  in ext4_ind_truncate()  argument
1152 		ext4_free_data(handle, inode, NULL, i_data+offsets[0],  in ext4_ind_truncate()
1162 			ext4_free_branches(handle, inode, NULL,  in ext4_ind_truncate()
1172 			ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_truncate()
1179 		ext4_free_branches(handle, inode, partial->bh, partial->p + 1,  in ext4_ind_truncate()
1192 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 1);  in ext4_ind_truncate()
1199 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 2);  in ext4_ind_truncate()
1206 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 3);  in ext4_ind_truncate()
1225 int ext4_ind_remove_space(handle_t *handle, struct inode *inode,  in ext4_ind_remove_space()  argument
1254 		ext4_free_data(handle, inode, NULL, i_data + offsets[0],  in ext4_ind_remove_space()
1270 			ext4_free_data(handle, inode, NULL, i_data + offsets[0],  in ext4_ind_remove_space()
1280 				ext4_free_branches(handle, inode, NULL,  in ext4_ind_remove_space()
1286 				ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1297 			ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1331 			ext4_free_branches(handle, inode, partial2->bh,  in ext4_ind_remove_space()
1360 				ext4_free_branches(handle, inode, NULL,  in ext4_ind_remove_space()
1367 				ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1395 			ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1410 			ext4_free_branches(handle, inode, partial->bh,  in ext4_ind_remove_space()
1417 			ext4_free_branches(handle, inode, partial2->bh,  in ext4_ind_remove_space()
1446 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 1);  in ext4_ind_remove_space()
1455 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 2);  in ext4_ind_remove_space()
1464 			ext4_free_branches(handle, inode, NULL, &nr, &nr+1, 3);  in ext4_ind_remove_space()