412 static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn)  in ext4_journal_commit_callback()  argument
414 	struct super_block		*sb = journal->j_private;  in ext4_journal_commit_callback()
416 	int				error = is_journal_aborted(journal);  in ext4_journal_commit_callback()
458 	journal_t *journal = EXT4_SB(sb)->s_journal;  in ext4_handle_error()  local
467 	if (journal)  in ext4_handle_error()
468 		jbd2_journal_abort(journal, -EIO);  in ext4_handle_error()
1259 	journal_t *journal = EXT4_SB(sb)->s_journal;  in bdev_try_to_free_page()  local
1264 	if (journal)  in bdev_try_to_free_page()
1265 		return jbd2_journal_try_to_free_buffers(journal, page,  in bdev_try_to_free_page()
4851 static void ext4_init_journal_params(struct super_block *sb, journal_t *journal)  in ext4_init_journal_params()  argument
4855 	journal->j_commit_interval = sbi->s_commit_interval;  in ext4_init_journal_params()
4856 	journal->j_min_batch_time = sbi->s_min_batch_time;  in ext4_init_journal_params()
4857 	journal->j_max_batch_time = sbi->s_max_batch_time;  in ext4_init_journal_params()
4859 	write_lock(&journal->j_state_lock);  in ext4_init_journal_params()
4861 		journal->j_flags |= JBD2_BARRIER;  in ext4_init_journal_params()
4863 		journal->j_flags &= ~JBD2_BARRIER;  in ext4_init_journal_params()
4865 		journal->j_flags |= JBD2_ABORT_ON_SYNCDATA_ERR;  in ext4_init_journal_params()
4867 		journal->j_flags &= ~JBD2_ABORT_ON_SYNCDATA_ERR;  in ext4_init_journal_params()
4868 	write_unlock(&journal->j_state_lock);  in ext4_init_journal_params()
4907 	journal_t *journal;  in ext4_get_journal()  local
4916 	journal = jbd2_journal_init_inode(journal_inode);  in ext4_get_journal()
4917 	if (!journal) {  in ext4_get_journal()
4922 	journal->j_private = sb;  in ext4_get_journal()
4923 	ext4_init_journal_params(sb, journal);  in ext4_get_journal()
4924 	return journal;  in ext4_get_journal()
4931 	journal_t *journal;  in ext4_get_dev_journal()  local
4993 	journal = jbd2_journal_init_dev(bdev, sb->s_bdev,  in ext4_get_dev_journal()
4995 	if (!journal) {  in ext4_get_dev_journal()
4999 	journal->j_private = sb;  in ext4_get_dev_journal()
5000 	ll_rw_block(REQ_OP_READ, REQ_META | REQ_PRIO, 1, &journal->j_sb_buffer);  in ext4_get_dev_journal()
5001 	wait_on_buffer(journal->j_sb_buffer);  in ext4_get_dev_journal()
5002 	if (!buffer_uptodate(journal->j_sb_buffer)) {  in ext4_get_dev_journal()
5006 	if (be32_to_cpu(journal->j_superblock->s_nr_users) != 1) {  in ext4_get_dev_journal()
5009 			be32_to_cpu(journal->j_superblock->s_nr_users));  in ext4_get_dev_journal()
5013 	ext4_init_journal_params(sb, journal);  in ext4_get_dev_journal()
5014 	return journal;  in ext4_get_dev_journal()
5017 	jbd2_journal_destroy(journal);  in ext4_get_dev_journal()
5027 	journal_t *journal;  in ext4_load_journal()  local
5052 		journal = ext4_get_journal(sb, journal_inum);  in ext4_load_journal()
5053 		if (!journal)  in ext4_load_journal()
5056 		journal = ext4_get_dev_journal(sb, journal_dev);  in ext4_load_journal()
5057 		if (!journal)  in ext4_load_journal()
5061 	journal_dev_ro = bdev_read_only(journal->j_dev);  in ext4_load_journal()
5092 	if (!(journal->j_flags & JBD2_BARRIER))  in ext4_load_journal()
5096 		err = jbd2_journal_wipe(journal, !really_read_only);  in ext4_load_journal()
5102 		err = jbd2_journal_load(journal);  in ext4_load_journal()
5114 	EXT4_SB(sb)->s_journal = journal;  in ext4_load_journal()
5118 		jbd2_journal_destroy(journal);  in ext4_load_journal()
5133 	jbd2_journal_destroy(journal);  in ext4_load_journal()
5219 	journal_t *journal = EXT4_SB(sb)->s_journal;  in ext4_mark_recovery_complete()  local
5222 		if (journal != NULL) {  in ext4_mark_recovery_complete()
5229 	jbd2_journal_lock_updates(journal);  in ext4_mark_recovery_complete()
5230 	err = jbd2_journal_flush(journal);  in ext4_mark_recovery_complete()
5239 	jbd2_journal_unlock_updates(journal);  in ext4_mark_recovery_complete()
5251 	journal_t *journal;  in ext4_clear_journal_err()  local
5260 	journal = EXT4_SB(sb)->s_journal;  in ext4_clear_journal_err()
5267 	j_errno = jbd2_journal_errno(journal);  in ext4_clear_journal_err()
5280 		jbd2_journal_clear_err(journal);  in ext4_clear_journal_err()
5281 		jbd2_journal_update_sb_errno(journal);  in ext4_clear_journal_err()
5292 	journal_t *journal;  in ext4_force_commit()  local
5297 	journal = EXT4_SB(sb)->s_journal;  in ext4_force_commit()
5298 	return ext4_journal_force_commit(journal);  in ext4_force_commit()
5357 	journal_t *journal;  in ext4_freeze()  local
5362 	journal = EXT4_SB(sb)->s_journal;  in ext4_freeze()
5364 	if (journal) {  in ext4_freeze()
5366 		jbd2_journal_lock_updates(journal);  in ext4_freeze()
5372 		error = jbd2_journal_flush(journal);  in ext4_freeze()
5382 	if (journal)  in ext4_freeze()
5384 		jbd2_journal_unlock_updates(journal);  in ext4_freeze()