60 void jbd2_journal_free_transaction(transaction_t *transaction)  in jbd2_journal_free_transaction()  argument
62 	if (unlikely(ZERO_OR_NULL_PTR(transaction)))  in jbd2_journal_free_transaction()
64 	kmem_cache_free(transaction_cache, transaction);  in jbd2_journal_free_transaction()
83 jbd2_get_transaction(journal_t *journal, transaction_t *transaction)  in jbd2_get_transaction()  argument
85 	transaction->t_journal = journal;  in jbd2_get_transaction()
86 	transaction->t_state = T_RUNNING;  in jbd2_get_transaction()
87 	transaction->t_start_time = ktime_get();  in jbd2_get_transaction()
88 	transaction->t_tid = journal->j_transaction_sequence++;  in jbd2_get_transaction()
89 	transaction->t_expires = jiffies + journal->j_commit_interval;  in jbd2_get_transaction()
90 	spin_lock_init(&transaction->t_handle_lock);  in jbd2_get_transaction()
91 	atomic_set(&transaction->t_updates, 0);  in jbd2_get_transaction()
92 	atomic_set(&transaction->t_outstanding_credits,  in jbd2_get_transaction()
94 	atomic_set(&transaction->t_handle_count, 0);  in jbd2_get_transaction()
95 	INIT_LIST_HEAD(&transaction->t_inode_list);  in jbd2_get_transaction()
96 	INIT_LIST_HEAD(&transaction->t_private_list);  in jbd2_get_transaction()
99 	journal->j_commit_timer.expires = round_jiffies_up(transaction->t_expires);  in jbd2_get_transaction()
103 	journal->j_running_transaction = transaction;  in jbd2_get_transaction()
104 	transaction->t_max_wait = 0;  in jbd2_get_transaction()
105 	transaction->t_start = jiffies;  in jbd2_get_transaction()
106 	transaction->t_requested = 0;  in jbd2_get_transaction()
108 	return transaction;  in jbd2_get_transaction()
129 static inline void update_t_max_wait(transaction_t *transaction,  in update_t_max_wait()  argument
134 	    time_after(transaction->t_start, ts)) {  in update_t_max_wait()
135 		ts = jbd2_time_diff(ts, transaction->t_start);  in update_t_max_wait()
136 		spin_lock(&transaction->t_handle_lock);  in update_t_max_wait()
137 		if (ts > transaction->t_max_wait)  in update_t_max_wait()
138 			transaction->t_max_wait = ts;  in update_t_max_wait()
139 		spin_unlock(&transaction->t_handle_lock);  in update_t_max_wait()
274 	transaction_t	*transaction, *new_transaction = NULL;  in start_this_handle()  local
353 	transaction = journal->j_running_transaction;  in start_this_handle()
372 	update_t_max_wait(transaction, ts);  in start_this_handle()
373 	handle->h_transaction = transaction;  in start_this_handle()
376 	atomic_inc(&transaction->t_updates);  in start_this_handle()
377 	atomic_inc(&transaction->t_handle_count);  in start_this_handle()
380 		  atomic_read(&transaction->t_outstanding_credits),  in start_this_handle()
561 	transaction_t *transaction = handle->h_transaction;  in jbd2_journal_extend()  local
568 	journal = transaction->t_journal;  in jbd2_journal_extend()
575 	if (transaction->t_state != T_RUNNING) {  in jbd2_journal_extend()
581 	spin_lock(&transaction->t_handle_lock);  in jbd2_journal_extend()
583 				   &transaction->t_outstanding_credits);  in jbd2_journal_extend()
588 		atomic_sub(nblocks, &transaction->t_outstanding_credits);  in jbd2_journal_extend()
596 		atomic_sub(nblocks, &transaction->t_outstanding_credits);  in jbd2_journal_extend()
601 				 transaction->t_tid,  in jbd2_journal_extend()
612 	spin_unlock(&transaction->t_handle_lock);  in jbd2_journal_extend()
636 	transaction_t *transaction = handle->h_transaction;  in jbd2__journal_restart()  local
645 	journal = transaction->t_journal;  in jbd2__journal_restart()
651 	J_ASSERT(atomic_read(&transaction->t_updates) > 0);  in jbd2__journal_restart()
655 	spin_lock(&transaction->t_handle_lock);  in jbd2__journal_restart()
657 		   &transaction->t_outstanding_credits);  in jbd2__journal_restart()
662 	if (atomic_dec_and_test(&transaction->t_updates))  in jbd2__journal_restart()
664 	tid = transaction->t_tid;  in jbd2__journal_restart()
665 	spin_unlock(&transaction->t_handle_lock);  in jbd2__journal_restart()
716 		transaction_t *transaction = journal->j_running_transaction;  in jbd2_journal_lock_updates()  local
718 		if (!transaction)  in jbd2_journal_lock_updates()
721 		spin_lock(&transaction->t_handle_lock);  in jbd2_journal_lock_updates()
724 		if (!atomic_read(&transaction->t_updates)) {  in jbd2_journal_lock_updates()
725 			spin_unlock(&transaction->t_handle_lock);  in jbd2_journal_lock_updates()
729 		spin_unlock(&transaction->t_handle_lock);  in jbd2_journal_lock_updates()
815 	transaction_t *transaction = handle->h_transaction;  in do_get_write_access()  local
823 	journal = transaction->t_journal;  in do_get_write_access()
863 				jh->b_transaction == transaction ||  in do_get_write_access()
868 							transaction);  in do_get_write_access()
894 	if (jh->b_transaction == transaction ||  in do_get_write_access()
895 	    jh->b_next_transaction == transaction)  in do_get_write_access()
920 		__jbd2_journal_file_buffer(jh, transaction, BJ_Reserved);  in do_get_write_access()
992 	jh->b_next_transaction = transaction;  in do_get_write_access()
1114 	transaction_t *transaction = handle->h_transaction;  in jbd2_journal_get_create_access()  local
1123 	journal = transaction->t_journal;  in jbd2_journal_get_create_access()
1135 	J_ASSERT_JH(jh, (jh->b_transaction == transaction ||  in jbd2_journal_get_create_access()
1158 		__jbd2_journal_file_buffer(jh, transaction, BJ_Reserved);  in jbd2_journal_get_create_access()
1165 		jh->b_next_transaction = transaction;  in jbd2_journal_get_create_access()
1330 	transaction_t *transaction = handle->h_transaction;  in jbd2_journal_dirty_metadata()  local
1352 	if (jh->b_transaction != transaction &&  in jbd2_journal_dirty_metadata()
1353 	    jh->b_next_transaction != transaction) {  in jbd2_journal_dirty_metadata()
1355 		J_ASSERT_JH(jh, jh->b_transaction == transaction ||  in jbd2_journal_dirty_metadata()
1356 				jh->b_next_transaction == transaction);  in jbd2_journal_dirty_metadata()
1361 		if (jh->b_transaction == transaction &&  in jbd2_journal_dirty_metadata()
1364 			J_ASSERT_JH(jh, jh->b_transaction != transaction ||  in jbd2_journal_dirty_metadata()
1371 	journal = transaction->t_journal;  in jbd2_journal_dirty_metadata()
1398 	if (jh->b_transaction == transaction && jh->b_jlist == BJ_Metadata) {  in jbd2_journal_dirty_metadata()
1425 	if (jh->b_transaction != transaction) {  in jbd2_journal_dirty_metadata()
1429 			     (jh->b_next_transaction != transaction))) {  in jbd2_journal_dirty_metadata()
1437 			       transaction, transaction->t_tid,  in jbd2_journal_dirty_metadata()
1458 	__jbd2_journal_file_buffer(jh, transaction, BJ_Metadata);  in jbd2_journal_dirty_metadata()
1486 	transaction_t *transaction = handle->h_transaction;  in jbd2_journal_forget()  local
1495 	journal = transaction->t_journal;  in jbd2_journal_forget()
1522 	if (jh->b_transaction == transaction) {  in jbd2_journal_forget()
1555 			__jbd2_journal_file_buffer(jh, transaction, BJ_Forget);  in jbd2_journal_forget()
1576 			J_ASSERT(jh->b_next_transaction == transaction);  in jbd2_journal_forget()
1619 	transaction_t *transaction = handle->h_transaction;  in jbd2_journal_stop()  local
1625 	if (!transaction) {  in jbd2_journal_stop()
1641 	journal = transaction->t_journal;  in jbd2_journal_stop()
1648 		J_ASSERT(atomic_read(&transaction->t_updates) > 0);  in jbd2_journal_stop()
1658 				transaction->t_tid,  in jbd2_journal_stop()
1706 						   transaction->t_start_time));  in jbd2_journal_stop()
1722 		transaction->t_synchronous_commit = 1;  in jbd2_journal_stop()
1725 		   &transaction->t_outstanding_credits);  in jbd2_journal_stop()
1734 	    (atomic_read(&transaction->t_outstanding_credits) >  in jbd2_journal_stop()
1736 	    time_after_eq(jiffies, transaction->t_expires)) {  in jbd2_journal_stop()
1744 		jbd2_log_start_commit(journal, transaction->t_tid);  in jbd2_journal_stop()
1760 	tid = transaction->t_tid;  in jbd2_journal_stop()
1761 	if (atomic_dec_and_test(&transaction->t_updates)) {  in jbd2_journal_stop()
1845 	transaction_t *transaction;  in __jbd2_journal_temp_unlink_buffer()  local
1849 	transaction = jh->b_transaction;  in __jbd2_journal_temp_unlink_buffer()
1850 	if (transaction)  in __jbd2_journal_temp_unlink_buffer()
1851 		assert_spin_locked(&transaction->t_journal->j_list_lock);  in __jbd2_journal_temp_unlink_buffer()
1855 		J_ASSERT_JH(jh, transaction != NULL);  in __jbd2_journal_temp_unlink_buffer()
1861 		transaction->t_nr_buffers--;  in __jbd2_journal_temp_unlink_buffer()
1862 		J_ASSERT_JH(jh, transaction->t_nr_buffers >= 0);  in __jbd2_journal_temp_unlink_buffer()
1863 		list = &transaction->t_buffers;  in __jbd2_journal_temp_unlink_buffer()
1866 		list = &transaction->t_forget;  in __jbd2_journal_temp_unlink_buffer()
1869 		list = &transaction->t_shadow_list;  in __jbd2_journal_temp_unlink_buffer()
1872 		list = &transaction->t_reserved_list;  in __jbd2_journal_temp_unlink_buffer()
2026 static int __dispose_buffer(struct journal_head *jh, transaction_t *transaction)  in __dispose_buffer()  argument
2040 		__jbd2_journal_file_buffer(jh, transaction, BJ_Forget);  in __dispose_buffer()
2099 	transaction_t *transaction;  in journal_unmap_buffer()  local
2146 	transaction = jh->b_transaction;  in journal_unmap_buffer()
2147 	if (transaction == NULL) {  in journal_unmap_buffer()
2193 	} else if (transaction == journal->j_committing_transaction) {  in journal_unmap_buffer()
2228 		J_ASSERT_JH(jh, transaction == journal->j_running_transaction);  in journal_unmap_buffer()
2230 		may_free = __dispose_buffer(jh, transaction);  in journal_unmap_buffer()
2328 			transaction_t *transaction, int jlist)  in __jbd2_journal_file_buffer()  argument
2335 	assert_spin_locked(&transaction->t_journal->j_list_lock);  in __jbd2_journal_file_buffer()
2338 	J_ASSERT_JH(jh, jh->b_transaction == transaction ||  in __jbd2_journal_file_buffer()
2364 	jh->b_transaction = transaction;  in __jbd2_journal_file_buffer()
2372 		transaction->t_nr_buffers++;  in __jbd2_journal_file_buffer()
2373 		list = &transaction->t_buffers;  in __jbd2_journal_file_buffer()
2376 		list = &transaction->t_forget;  in __jbd2_journal_file_buffer()
2379 		list = &transaction->t_shadow_list;  in __jbd2_journal_file_buffer()
2382 		list = &transaction->t_reserved_list;  in __jbd2_journal_file_buffer()
2394 				transaction_t *transaction, int jlist)  in jbd2_journal_file_buffer()  argument
2397 	spin_lock(&transaction->t_journal->j_list_lock);  in jbd2_journal_file_buffer()
2398 	__jbd2_journal_file_buffer(jh, transaction, jlist);  in jbd2_journal_file_buffer()
2399 	spin_unlock(&transaction->t_journal->j_list_lock);  in jbd2_journal_file_buffer()
2481 	transaction_t *transaction = handle->h_transaction;  in jbd2_journal_file_inode()  local
2486 	journal = transaction->t_journal;  in jbd2_journal_file_inode()
2489 			transaction->t_tid);  in jbd2_journal_file_inode()
2504 	if (jinode->i_transaction == transaction ||  in jbd2_journal_file_inode()
2505 	    jinode->i_next_transaction == transaction)  in jbd2_journal_file_inode()
2510 	if (jinode->i_transaction == transaction ||  in jbd2_journal_file_inode()
2511 	    jinode->i_next_transaction == transaction)  in jbd2_journal_file_inode()
2519 	if (!transaction->t_need_data_flush)  in jbd2_journal_file_inode()
2520 		transaction->t_need_data_flush = 1;  in jbd2_journal_file_inode()
2527 		jinode->i_next_transaction = transaction;  in jbd2_journal_file_inode()
2532 	jinode->i_transaction = transaction;  in jbd2_journal_file_inode()
2533 	list_add(&jinode->i_list, &transaction->t_inode_list);  in jbd2_journal_file_inode()