540 static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn)  in ext4_journal_commit_callback()  argument
542 	struct super_block		*sb = journal->j_private;  in ext4_journal_commit_callback()
544 	int				error = is_journal_aborted(journal);  in ext4_journal_commit_callback()
676 		journal_t *journal = EXT4_SB(sb)->s_journal;  in ext4_handle_error()  local
679 		if (journal)  in ext4_handle_error()
680 			jbd2_journal_abort(journal, -EIO);  in ext4_handle_error()
1469 	journal_t *journal = EXT4_SB(sb)->s_journal;  in bdev_try_to_free_page()  local
1474 	if (journal)  in bdev_try_to_free_page()
1475 		return jbd2_journal_try_to_free_buffers(journal, page);  in bdev_try_to_free_page()
5202 static void ext4_init_journal_params(struct super_block *sb, journal_t *journal)  in ext4_init_journal_params()  argument
5206 	journal->j_commit_interval = sbi->s_commit_interval;  in ext4_init_journal_params()
5207 	journal->j_min_batch_time = sbi->s_min_batch_time;  in ext4_init_journal_params()
5208 	journal->j_max_batch_time = sbi->s_max_batch_time;  in ext4_init_journal_params()
5209 	ext4_fc_init(sb, journal);  in ext4_init_journal_params()
5211 	write_lock(&journal->j_state_lock);  in ext4_init_journal_params()
5213 		journal->j_flags |= JBD2_BARRIER;  in ext4_init_journal_params()
5215 		journal->j_flags &= ~JBD2_BARRIER;  in ext4_init_journal_params()
5217 		journal->j_flags |= JBD2_ABORT_ON_SYNCDATA_ERR;  in ext4_init_journal_params()
5219 		journal->j_flags &= ~JBD2_ABORT_ON_SYNCDATA_ERR;  in ext4_init_journal_params()
5220 	write_unlock(&journal->j_state_lock);  in ext4_init_journal_params()
5259 	journal_t *journal;  in ext4_get_journal()  local
5268 	journal = jbd2_journal_init_inode(journal_inode);  in ext4_get_journal()
5269 	if (!journal) {  in ext4_get_journal()
5274 	journal->j_private = sb;  in ext4_get_journal()
5275 	ext4_init_journal_params(sb, journal);  in ext4_get_journal()
5276 	return journal;  in ext4_get_journal()
5283 	journal_t *journal;  in ext4_get_dev_journal()  local
5345 	journal = jbd2_journal_init_dev(bdev, sb->s_bdev,  in ext4_get_dev_journal()
5347 	if (!journal) {  in ext4_get_dev_journal()
5351 	journal->j_private = sb;  in ext4_get_dev_journal()
5352 	if (ext4_read_bh_lock(journal->j_sb_buffer, REQ_META | REQ_PRIO, true)) {  in ext4_get_dev_journal()
5356 	if (be32_to_cpu(journal->j_superblock->s_nr_users) != 1) {  in ext4_get_dev_journal()
5359 			be32_to_cpu(journal->j_superblock->s_nr_users));  in ext4_get_dev_journal()
5363 	ext4_init_journal_params(sb, journal);  in ext4_get_dev_journal()
5364 	return journal;  in ext4_get_dev_journal()
5367 	jbd2_journal_destroy(journal);  in ext4_get_dev_journal()
5377 	journal_t *journal;  in ext4_load_journal()  local
5402 		journal = ext4_get_journal(sb, journal_inum);  in ext4_load_journal()
5403 		if (!journal)  in ext4_load_journal()
5406 		journal = ext4_get_dev_journal(sb, journal_dev);  in ext4_load_journal()
5407 		if (!journal)  in ext4_load_journal()
5411 	journal_dev_ro = bdev_read_only(journal->j_dev);  in ext4_load_journal()
5442 	if (!(journal->j_flags & JBD2_BARRIER))  in ext4_load_journal()
5446 		err = jbd2_journal_wipe(journal, !really_read_only);  in ext4_load_journal()
5452 		err = jbd2_journal_load(journal);  in ext4_load_journal()
5464 	EXT4_SB(sb)->s_journal = journal;  in ext4_load_journal()
5468 		jbd2_journal_destroy(journal);  in ext4_load_journal()
5483 	jbd2_journal_destroy(journal);  in ext4_load_journal()
5567 	journal_t *journal = EXT4_SB(sb)->s_journal;  in ext4_mark_recovery_complete()  local
5570 		if (journal != NULL) {  in ext4_mark_recovery_complete()
5577 	jbd2_journal_lock_updates(journal);  in ext4_mark_recovery_complete()
5578 	err = jbd2_journal_flush(journal);  in ext4_mark_recovery_complete()
5587 	jbd2_journal_unlock_updates(journal);  in ext4_mark_recovery_complete()
5599 	journal_t *journal;  in ext4_clear_journal_err()  local
5608 	journal = EXT4_SB(sb)->s_journal;  in ext4_clear_journal_err()
5615 	j_errno = jbd2_journal_errno(journal);  in ext4_clear_journal_err()
5628 		jbd2_journal_clear_err(journal);  in ext4_clear_journal_err()
5629 		jbd2_journal_update_sb_errno(journal);  in ext4_clear_journal_err()
5640 	journal_t *journal;  in ext4_force_commit()  local
5645 	journal = EXT4_SB(sb)->s_journal;  in ext4_force_commit()
5646 	return ext4_journal_force_commit(journal);  in ext4_force_commit()
5705 	journal_t *journal;  in ext4_freeze()  local
5710 	journal = EXT4_SB(sb)->s_journal;  in ext4_freeze()
5712 	if (journal) {  in ext4_freeze()
5714 		jbd2_journal_lock_updates(journal);  in ext4_freeze()
5720 		error = jbd2_journal_flush(journal);  in ext4_freeze()
5730 	if (journal)  in ext4_freeze()
5732 		jbd2_journal_unlock_updates(journal);  in ext4_freeze()