59 static void journal_dump_trans(journal_transaction_t *trans EXT2FS_ATTR((unused)),  in journal_dump_trans()
63 		   "flags=0x%x\n", trans, tag, trans->tid, trans->start,  in journal_dump_trans()
64 		   trans->block, trans->end, trans->flags);  in journal_dump_trans()
67 static errcode_t journal_commit_trans(journal_transaction_t *trans)  in journal_commit_trans()  argument
76 	JOURNAL_CHECK_TRANS_MAGIC(trans);  in journal_commit_trans()
78 	if ((trans->flags & J_TRANS_COMMITTED) ||  in journal_commit_trans()
79 	    !(trans->flags & J_TRANS_OPEN))  in journal_commit_trans()
82 	bh = getblk(trans->journal->j_dev, 0, trans->journal->j_blocksize);  in journal_commit_trans()
90 	commit->h_sequence = ext2fs_cpu_to_be32(trans->tid);  in journal_commit_trans()
91 	if (jfs_has_feature_checksum(trans->journal)) {  in journal_commit_trans()
95 		cbh = getblk(trans->journal->j_dev, 0,  in journal_commit_trans()
96 			     trans->journal->j_blocksize);  in journal_commit_trans()
102 		for (cblk = trans->start; cblk < trans->block; cblk++) {  in journal_commit_trans()
103 			err = journal_bmap(trans->journal, cblk,  in journal_commit_trans()
135 	jbd2_commit_block_csum_set(trans->journal, bh);  in journal_commit_trans()
136 	err = journal_bmap(trans->journal, trans->block, &bh->b_blocknr);  in journal_commit_trans()
140 	dbg_printf("Writing commit block at %llu:%llu\n", trans->block,  in journal_commit_trans()
147 	trans->flags |= J_TRANS_COMMITTED;  in journal_commit_trans()
148 	trans->flags &= ~J_TRANS_OPEN;  in journal_commit_trans()
149 	trans->block++;  in journal_commit_trans()
151 	ext2fs_set_feature_journal_needs_recovery(trans->fs->super);  in journal_commit_trans()
152 	ext2fs_mark_super_dirty(trans->fs);  in journal_commit_trans()
160 static errcode_t journal_add_revoke_to_trans(journal_transaction_t *trans,  in journal_add_revoke_to_trans()  argument
173 	JOURNAL_CHECK_TRANS_MAGIC(trans);  in journal_add_revoke_to_trans()
175 	if ((trans->flags & J_TRANS_COMMITTED) ||  in journal_add_revoke_to_trans()
176 	    !(trans->flags & J_TRANS_OPEN))  in journal_add_revoke_to_trans()
183 	if (journal_has_csum_v2or3(trans->journal))  in journal_add_revoke_to_trans()
186 	curr_blk = trans->block;  in journal_add_revoke_to_trans()
188 	bh = getblk(trans->journal->j_dev, curr_blk,  in journal_add_revoke_to_trans()
189 		    trans->journal->j_blocksize);  in journal_add_revoke_to_trans()
195 	jrb->r_header.h_sequence = ext2fs_cpu_to_be32(trans->tid);  in journal_add_revoke_to_trans()
198 	if (jfs_has_feature_64bit(trans->journal))  in journal_add_revoke_to_trans()
205 		if (offset + sz > trans->journal->j_blocksize - csum_size) {  in journal_add_revoke_to_trans()
207 			jbd2_revoke_csum_set(trans->journal, bh);  in journal_add_revoke_to_trans()
209 			err = journal_bmap(trans->journal, curr_blk,  in journal_add_revoke_to_trans()
226 		    ext2fs_blocks_count(trans->journal->j_fs_dev->k_fs->super)) {  in journal_add_revoke_to_trans()
231 		if (jfs_has_feature_64bit(trans->journal))  in journal_add_revoke_to_trans()
242 		jbd2_revoke_csum_set(trans->journal, bh);  in journal_add_revoke_to_trans()
244 		err = journal_bmap(trans->journal, curr_blk, &bh->b_blocknr);  in journal_add_revoke_to_trans()
258 	trans->block = curr_blk;  in journal_add_revoke_to_trans()
263 static errcode_t journal_add_blocks_to_trans(journal_transaction_t *trans,  in journal_add_blocks_to_trans()  argument
277 	JOURNAL_CHECK_TRANS_MAGIC(trans);  in journal_add_blocks_to_trans()
279 	if ((trans->flags & J_TRANS_COMMITTED) ||  in journal_add_blocks_to_trans()
280 	    !(trans->flags & J_TRANS_OPEN))  in journal_add_blocks_to_trans()
287 	if (journal_has_csum_v2or3(trans->journal))  in journal_add_blocks_to_trans()
290 	curr_blk = jdb_blk = trans->block;  in journal_add_blocks_to_trans()
292 	data_bh = getblk(trans->journal->j_dev, curr_blk,  in journal_add_blocks_to_trans()
293 			 trans->journal->j_blocksize);  in journal_add_blocks_to_trans()
299 	bh = getblk(trans->journal->j_dev, curr_blk,  in journal_add_blocks_to_trans()
300 		    trans->journal->j_blocksize);  in journal_add_blocks_to_trans()
308 	jdb->h_sequence = ext2fs_cpu_to_be32(trans->tid);  in journal_add_blocks_to_trans()
313 		j = fread(data_bh->b_data, trans->journal->j_blocksize, 1, fp);  in journal_add_blocks_to_trans()
319 		tag_bytes = journal_tag_bytes(trans->journal);  in journal_add_blocks_to_trans()
323 		    (char *)jdb_buf + trans->journal->j_blocksize - csum_size) {  in journal_add_blocks_to_trans()
324 			jbd2_descr_block_csum_set(trans->journal, bh);  in journal_add_blocks_to_trans()
325 			err = journal_bmap(trans->journal, jdb_blk,  in journal_add_blocks_to_trans()
343 		    ext2fs_blocks_count(trans->journal->j_fs_dev->k_fs->super)) {  in journal_add_blocks_to_trans()
355 			       trans->journal->j_superblock->s_uuid,  in journal_add_blocks_to_trans()
356 			       sizeof(trans->journal->j_superblock->s_uuid));  in journal_add_blocks_to_trans()
365 		if (jfs_has_feature_64bit(trans->journal))  in journal_add_blocks_to_trans()
367 		jbd2_block_tag_csum_set(trans->journal, jdbt, data_bh,  in journal_add_blocks_to_trans()
368 					trans->tid);  in journal_add_blocks_to_trans()
371 		err = journal_bmap(trans->journal, curr_blk,  in journal_add_blocks_to_trans()
390 		jbd2_descr_block_csum_set(trans->journal, bh);  in journal_add_blocks_to_trans()
391 		err = journal_bmap(trans->journal, jdb_blk, &bh->b_blocknr);  in journal_add_blocks_to_trans()
404 	trans->block = curr_blk;  in journal_add_blocks_to_trans()
437 				    journal_transaction_t *trans,  in journal_open_trans()  argument
440 	trans->fs = journal->j_fs_dev->k_fs;  in journal_open_trans()
441 	trans->journal = journal;  in journal_open_trans()
442 	trans->flags = J_TRANS_OPEN;  in journal_open_trans()
446 		trans->tid = journal->j_tail_sequence;  in journal_open_trans()
447 		trans->start = journal->j_first;  in journal_open_trans()
450 		trans->tid = journal->j_transaction_sequence;  in journal_open_trans()
451 		trans->start = journal->j_head;  in journal_open_trans()
454 	trans->block = trans->start;  in journal_open_trans()
455 	if (trans->start + blocks > journal->j_last)  in journal_open_trans()
457 	trans->end = trans->block + blocks;  in journal_open_trans()
458 	journal_dump_trans(trans, "new transaction");  in journal_open_trans()
460 	trans->magic = J_TRANS_MAGIC;  in journal_open_trans()
464 static errcode_t journal_close_trans(journal_transaction_t *trans)  in journal_close_trans()  argument
468 	JOURNAL_CHECK_TRANS_MAGIC(trans);  in journal_close_trans()
470 	if (!(trans->flags & J_TRANS_COMMITTED))  in journal_close_trans()
473 	journal = trans->journal;  in journal_close_trans()
476 		journal->j_tail_sequence = trans->tid;  in journal_close_trans()
477 		journal->j_tail = trans->start;  in journal_close_trans()
478 		journal->j_superblock->s_start = ext2fs_cpu_to_be32(trans->start);  in journal_close_trans()
482 	journal->j_head = trans->end + 1;  in journal_close_trans()
483 	journal->j_transaction_sequence = trans->tid + 1;  in journal_close_trans()
485 	trans->magic = 0;  in journal_close_trans()
488 	if (!ext2fs_has_feature_journal_needs_recovery(trans->fs->super)) {  in journal_close_trans()
489 		ext2fs_set_feature_journal_needs_recovery(trans->fs->super);  in journal_close_trans()
490 		ext2fs_mark_super_dirty(trans->fs);  in journal_close_trans()
503 	journal_transaction_t trans;  in journal_write()  local
512 	err = journal_open_trans(journal, &trans, blocks);  in journal_write()
516 	err = journal_add_blocks_to_trans(&trans, block_list, block_len, fp);  in journal_write()
520 	err = journal_add_revoke_to_trans(&trans, revoke_list, revoke_len);  in journal_write()
525 		err = journal_commit_trans(&trans);  in journal_write()
530 	err = journal_close_trans(&trans);  in journal_write()