300 	journal_t *journal;  in ext4_journal_start_sb()  local
307 	journal = EXT4_SB(sb)->s_journal;  in ext4_journal_start_sb()
320 	if (!journal)  in ext4_journal_start_sb()
327 	if (is_journal_aborted(journal)) {  in ext4_journal_start_sb()
331 	return jbd2_journal_start(journal, nblocks);  in ext4_journal_start_sb()
435 static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn)  in ext4_journal_commit_callback()  argument
437 	struct super_block		*sb = journal->j_private;  in ext4_journal_commit_callback()
439 	int				error = is_journal_aborted(journal);  in ext4_journal_commit_callback()
476 		journal_t *journal = EXT4_SB(sb)->s_journal;  in ext4_handle_error()  local
479 		if (journal)  in ext4_handle_error()
480 			jbd2_journal_abort(journal, -EIO);  in ext4_handle_error()
1078 	journal_t *journal = EXT4_SB(sb)->s_journal;  in bdev_try_to_free_page()  local
1083 	if (journal)  in bdev_try_to_free_page()
1084 		return jbd2_journal_try_to_free_buffers(journal, page,  in bdev_try_to_free_page()
3869 static void ext4_init_journal_params(struct super_block *sb, journal_t *journal)  in ext4_init_journal_params()  argument
3873 	journal->j_commit_interval = sbi->s_commit_interval;  in ext4_init_journal_params()
3874 	journal->j_min_batch_time = sbi->s_min_batch_time;  in ext4_init_journal_params()
3875 	journal->j_max_batch_time = sbi->s_max_batch_time;  in ext4_init_journal_params()
3877 	write_lock(&journal->j_state_lock);  in ext4_init_journal_params()
3879 		journal->j_flags |= JBD2_BARRIER;  in ext4_init_journal_params()
3881 		journal->j_flags &= ~JBD2_BARRIER;  in ext4_init_journal_params()
3883 		journal->j_flags |= JBD2_ABORT_ON_SYNCDATA_ERR;  in ext4_init_journal_params()
3885 		journal->j_flags &= ~JBD2_ABORT_ON_SYNCDATA_ERR;  in ext4_init_journal_params()
3886 	write_unlock(&journal->j_state_lock);  in ext4_init_journal_params()
3893 	journal_t *journal;  in ext4_get_journal()  local
3921 	journal = jbd2_journal_init_inode(journal_inode);  in ext4_get_journal()
3922 	if (!journal) {  in ext4_get_journal()
3927 	journal->j_private = sb;  in ext4_get_journal()
3928 	ext4_init_journal_params(sb, journal);  in ext4_get_journal()
3929 	return journal;  in ext4_get_journal()
3936 	journal_t *journal;  in ext4_get_dev_journal()  local
3988 	journal = jbd2_journal_init_dev(bdev, sb->s_bdev,  in ext4_get_dev_journal()
3990 	if (!journal) {  in ext4_get_dev_journal()
3994 	journal->j_private = sb;  in ext4_get_dev_journal()
3995 	ll_rw_block(READ, 1, &journal->j_sb_buffer);  in ext4_get_dev_journal()
3996 	wait_on_buffer(journal->j_sb_buffer);  in ext4_get_dev_journal()
3997 	if (!buffer_uptodate(journal->j_sb_buffer)) {  in ext4_get_dev_journal()
4001 	if (be32_to_cpu(journal->j_superblock->s_nr_users) != 1) {  in ext4_get_dev_journal()
4004 			be32_to_cpu(journal->j_superblock->s_nr_users));  in ext4_get_dev_journal()
4008 	ext4_init_journal_params(sb, journal);  in ext4_get_dev_journal()
4009 	return journal;  in ext4_get_dev_journal()
4012 	jbd2_journal_destroy(journal);  in ext4_get_dev_journal()
4022 	journal_t *journal;  in ext4_load_journal()  local
4066 		if (!(journal = ext4_get_journal(sb, journal_inum)))  in ext4_load_journal()
4069 		if (!(journal = ext4_get_dev_journal(sb, journal_dev)))  in ext4_load_journal()
4073 	if (!(journal->j_flags & JBD2_BARRIER))  in ext4_load_journal()
4077 		err = jbd2_journal_wipe(journal, !really_read_only);  in ext4_load_journal()
4083 		err = jbd2_journal_load(journal);  in ext4_load_journal()
4092 		jbd2_journal_destroy(journal);  in ext4_load_journal()
4096 	EXT4_SB(sb)->s_journal = journal;  in ext4_load_journal()
4185 	journal_t *journal = EXT4_SB(sb)->s_journal;  in ext4_mark_recovery_complete()  local
4188 		BUG_ON(journal != NULL);  in ext4_mark_recovery_complete()
4191 	jbd2_journal_lock_updates(journal);  in ext4_mark_recovery_complete()
4192 	if (jbd2_journal_flush(journal) < 0)  in ext4_mark_recovery_complete()
4202 	jbd2_journal_unlock_updates(journal);  in ext4_mark_recovery_complete()
4213 	journal_t *journal;  in ext4_clear_journal_err()  local
4219 	journal = EXT4_SB(sb)->s_journal;  in ext4_clear_journal_err()
4226 	j_errno = jbd2_journal_errno(journal);  in ext4_clear_journal_err()
4239 		jbd2_journal_clear_err(journal);  in ext4_clear_journal_err()
4240 		jbd2_journal_update_sb_errno(journal);  in ext4_clear_journal_err()
4250 	journal_t *journal;  in ext4_force_commit()  local
4256 	journal = EXT4_SB(sb)->s_journal;  in ext4_force_commit()
4257 	if (journal) {  in ext4_force_commit()
4259 		ret = ext4_journal_force_commit(journal);  in ext4_force_commit()
4299 	journal_t *journal;  in ext4_freeze()  local
4304 	journal = EXT4_SB(sb)->s_journal;  in ext4_freeze()
4307 	jbd2_journal_lock_updates(journal);  in ext4_freeze()
4313 	error = jbd2_journal_flush(journal);  in ext4_freeze()