134 static inline int hash(journal_t *journal, unsigned long long block)  in hash()  argument
136 	struct jbd2_revoke_table_s *table = journal->j_revoke;  in hash()
141 static int insert_revoke_hash(journal_t *journal, unsigned long long blocknr,  in insert_revoke_hash()  argument
154 	hash_list = &journal->j_revoke->hash_table[hash(journal, blocknr)];  in insert_revoke_hash()
155 	spin_lock(&journal->j_revoke_lock);  in insert_revoke_hash()
157 	spin_unlock(&journal->j_revoke_lock);  in insert_revoke_hash()
170 static struct jbd2_revoke_record_s *find_revoke_record(journal_t *journal,  in find_revoke_record()  argument
176 	hash_list = &journal->j_revoke->hash_table[hash(journal, blocknr)];  in find_revoke_record()
178 	spin_lock(&journal->j_revoke_lock);  in find_revoke_record()
182 			spin_unlock(&journal->j_revoke_lock);  in find_revoke_record()
187 	spin_unlock(&journal->j_revoke_lock);  in find_revoke_record()
269 int journal_init_revoke(journal_t *journal, int hash_size)  in journal_init_revoke()  argument
271 	J_ASSERT(journal->j_revoke_table[0] == NULL);  in journal_init_revoke()
274 	journal->j_revoke_table[0] = journal_init_revoke_table(hash_size);  in journal_init_revoke()
275 	if (!journal->j_revoke_table[0])  in journal_init_revoke()
278 	journal->j_revoke_table[1] = journal_init_revoke_table(hash_size);  in journal_init_revoke()
279 	if (!journal->j_revoke_table[1])  in journal_init_revoke()
282 	journal->j_revoke = journal->j_revoke_table[1];  in journal_init_revoke()
284 	spin_lock_init(&journal->j_revoke_lock);  in journal_init_revoke()
289 	journal_destroy_revoke_table(journal->j_revoke_table[0]);  in journal_init_revoke()
295 void journal_destroy_revoke(journal_t *journal)  in journal_destroy_revoke()  argument
297 	journal->j_revoke = NULL;  in journal_destroy_revoke()
298 	if (journal->j_revoke_table[0])  in journal_destroy_revoke()
299 		journal_destroy_revoke_table(journal->j_revoke_table[0]);  in journal_destroy_revoke()
300 	if (journal->j_revoke_table[1])  in journal_destroy_revoke()
301 		journal_destroy_revoke_table(journal->j_revoke_table[1]);  in journal_destroy_revoke()
335 	journal_t *journal;  in journal_revoke()  local
343 	journal = handle->h_transaction->t_journal;  in journal_revoke()
344 	if (!journal_set_features(journal, 0, 0, JFS_FEATURE_INCOMPAT_REVOKE)){  in journal_revoke()
349 	bdev = journal->j_fs_dev;  in journal_revoke()
353 		bh = __find_get_block(bdev, blocknr, journal->j_blocksize);  in journal_revoke()
363 		bh2 = __find_get_block(bdev, blocknr, journal->j_blocksize);  in journal_revoke()
401 	err = insert_revoke_hash(journal, blocknr,  in journal_revoke()
425 	journal_t *journal = handle->h_transaction->t_journal;  in journal_cancel_revoke()  local
444 		record = find_revoke_record(journal, bh->b_blocknr);  in journal_cancel_revoke()
448 			spin_lock(&journal->j_revoke_lock);  in journal_cancel_revoke()
450 			spin_unlock(&journal->j_revoke_lock);  in journal_cancel_revoke()
458 	record = find_revoke_record(journal, bh->b_blocknr);  in journal_cancel_revoke()
483 void jbd2_clear_buffer_revoked_flags(journal_t *journal)  in jbd2_clear_buffer_revoked_flags()  argument
485 	struct jbd2_revoke_table_s *revoke = journal->j_revoke;  in jbd2_clear_buffer_revoked_flags()
497 			bh = __find_get_block(journal->j_fs_dev,  in jbd2_clear_buffer_revoked_flags()
499 					      journal->j_blocksize);  in jbd2_clear_buffer_revoked_flags()
512 void journal_switch_revoke_table(journal_t *journal)  in journal_switch_revoke_table()  argument
516 	if (journal->j_revoke == journal->j_revoke_table[0])  in journal_switch_revoke_table()
517 		journal->j_revoke = journal->j_revoke_table[1];  in journal_switch_revoke_table()
519 		journal->j_revoke = journal->j_revoke_table[0];  in journal_switch_revoke_table()
521 	for (i = 0; i < journal->j_revoke->hash_size; i++)  in journal_switch_revoke_table()
522 		INIT_LIST_HEAD(&journal->j_revoke->hash_table[i]);  in journal_switch_revoke_table()
529 void journal_write_revoke_records(journal_t *journal,  in journal_write_revoke_records()  argument
545 	revoke = journal->j_revoke == journal->j_revoke_table[0] ?  in journal_write_revoke_records()
546 		journal->j_revoke_table[1] : journal->j_revoke_table[0];  in journal_write_revoke_records()
554 			write_one_revoke_record(journal, transaction, log_bufs,  in journal_write_revoke_records()
563 		flush_descriptor(journal, descriptor, offset, write_op);  in journal_write_revoke_records()
572 static void write_one_revoke_record(journal_t *journal,  argument
589 	if (is_journal_aborted(journal))
596 	if (journal_has_csum_v2or3(journal))
599 	if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT))
606 		if (offset + sz > journal->j_blocksize - csum_size) {
607 			flush_descriptor(journal, descriptor, offset, write_op);
613 		descriptor = journal_get_descriptor_buffer(journal);
629 	if (JBD2_HAS_INCOMPAT_FEATURE(journal, JBD2_FEATURE_INCOMPAT_64BIT)) {
662 static void flush_descriptor(journal_t *journal,
668 	if (is_journal_aborted(journal)) {
675 	jbd2_revoke_csum_set(journal, descriptor);
706 int journal_set_revoke(journal_t *journal,
712 	record = find_revoke_record(journal, blocknr);
720 	return insert_revoke_hash(journal, blocknr, sequence);
730 int journal_test_revoke(journal_t *journal,
736 	record = find_revoke_record(journal, blocknr);
749 void journal_clear_revoke(journal_t *journal)
756 	revoke = journal->j_revoke;