335 static void ext4_journal_commit_callback(journal_t *journal, transaction_t *txn)  in ext4_journal_commit_callback()  argument
337 	struct super_block		*sb = journal->j_private;  in ext4_journal_commit_callback()
339 	int				error = is_journal_aborted(journal);  in ext4_journal_commit_callback()
376 		journal_t *journal = EXT4_SB(sb)->s_journal;  in ext4_handle_error()  local
379 		if (journal)  in ext4_handle_error()
380 			jbd2_journal_abort(journal, -EIO);  in ext4_handle_error()
1058 	journal_t *journal = EXT4_SB(sb)->s_journal;  in bdev_try_to_free_page()  local
1063 	if (journal)  in bdev_try_to_free_page()
1064 		return jbd2_journal_try_to_free_buffers(journal, page,  in bdev_try_to_free_page()
4030 static void ext4_init_journal_params(struct super_block *sb, journal_t *journal)  in ext4_init_journal_params()  argument
4034 	journal->j_commit_interval = sbi->s_commit_interval;  in ext4_init_journal_params()
4035 	journal->j_min_batch_time = sbi->s_min_batch_time;  in ext4_init_journal_params()
4036 	journal->j_max_batch_time = sbi->s_max_batch_time;  in ext4_init_journal_params()
4038 	write_lock(&journal->j_state_lock);  in ext4_init_journal_params()
4040 		journal->j_flags |= JBD2_BARRIER;  in ext4_init_journal_params()
4042 		journal->j_flags &= ~JBD2_BARRIER;  in ext4_init_journal_params()
4044 		journal->j_flags |= JBD2_ABORT_ON_SYNCDATA_ERR;  in ext4_init_journal_params()
4046 		journal->j_flags &= ~JBD2_ABORT_ON_SYNCDATA_ERR;  in ext4_init_journal_params()
4047 	write_unlock(&journal->j_state_lock);  in ext4_init_journal_params()
4054 	journal_t *journal;  in ext4_get_journal()  local
4082 	journal = jbd2_journal_init_inode(journal_inode);  in ext4_get_journal()
4083 	if (!journal) {  in ext4_get_journal()
4088 	journal->j_private = sb;  in ext4_get_journal()
4089 	ext4_init_journal_params(sb, journal);  in ext4_get_journal()
4090 	return journal;  in ext4_get_journal()
4097 	journal_t *journal;  in ext4_get_dev_journal()  local
4158 	journal = jbd2_journal_init_dev(bdev, sb->s_bdev,  in ext4_get_dev_journal()
4160 	if (!journal) {  in ext4_get_dev_journal()
4164 	journal->j_private = sb;  in ext4_get_dev_journal()
4165 	ll_rw_block(READ | REQ_META | REQ_PRIO, 1, &journal->j_sb_buffer);  in ext4_get_dev_journal()
4166 	wait_on_buffer(journal->j_sb_buffer);  in ext4_get_dev_journal()
4167 	if (!buffer_uptodate(journal->j_sb_buffer)) {  in ext4_get_dev_journal()
4171 	if (be32_to_cpu(journal->j_superblock->s_nr_users) != 1) {  in ext4_get_dev_journal()
4174 			be32_to_cpu(journal->j_superblock->s_nr_users));  in ext4_get_dev_journal()
4178 	ext4_init_journal_params(sb, journal);  in ext4_get_dev_journal()
4179 	return journal;  in ext4_get_dev_journal()
4182 	jbd2_journal_destroy(journal);  in ext4_get_dev_journal()
4192 	journal_t *journal;  in ext4_load_journal()  local
4236 		if (!(journal = ext4_get_journal(sb, journal_inum)))  in ext4_load_journal()
4239 		if (!(journal = ext4_get_dev_journal(sb, journal_dev)))  in ext4_load_journal()
4243 	if (!(journal->j_flags & JBD2_BARRIER))  in ext4_load_journal()
4247 		err = jbd2_journal_wipe(journal, !really_read_only);  in ext4_load_journal()
4253 		err = jbd2_journal_load(journal);  in ext4_load_journal()
4262 		jbd2_journal_destroy(journal);  in ext4_load_journal()
4266 	EXT4_SB(sb)->s_journal = journal;  in ext4_load_journal()
4358 	journal_t *journal = EXT4_SB(sb)->s_journal;  in ext4_mark_recovery_complete()  local
4361 		BUG_ON(journal != NULL);  in ext4_mark_recovery_complete()
4364 	jbd2_journal_lock_updates(journal);  in ext4_mark_recovery_complete()
4365 	if (jbd2_journal_flush(journal) < 0)  in ext4_mark_recovery_complete()
4375 	jbd2_journal_unlock_updates(journal);  in ext4_mark_recovery_complete()
4386 	journal_t *journal;  in ext4_clear_journal_err()  local
4392 	journal = EXT4_SB(sb)->s_journal;  in ext4_clear_journal_err()
4399 	j_errno = jbd2_journal_errno(journal);  in ext4_clear_journal_err()
4412 		jbd2_journal_clear_err(journal);  in ext4_clear_journal_err()
4413 		jbd2_journal_update_sb_errno(journal);  in ext4_clear_journal_err()
4423 	journal_t *journal;  in ext4_force_commit()  local
4428 	journal = EXT4_SB(sb)->s_journal;  in ext4_force_commit()
4429 	return ext4_journal_force_commit(journal);  in ext4_force_commit()
4485 	journal_t *journal;  in ext4_freeze()  local
4490 	journal = EXT4_SB(sb)->s_journal;  in ext4_freeze()
4492 	if (journal) {  in ext4_freeze()
4494 		jbd2_journal_lock_updates(journal);  in ext4_freeze()
4500 		error = jbd2_journal_flush(journal);  in ext4_freeze()
4510 	if (journal)  in ext4_freeze()
4512 		jbd2_journal_unlock_updates(journal);  in ext4_freeze()