133 static inline int hash(journal_t *journal, unsigned int block)  in hash()  argument
135 	struct jbd_revoke_table_s *table = journal->j_revoke;  in hash()
140 static int insert_revoke_hash(journal_t *journal, unsigned int blocknr,  in insert_revoke_hash()  argument
153 	hash_list = &journal->j_revoke->hash_table[hash(journal, blocknr)];  in insert_revoke_hash()
154 	spin_lock(&journal->j_revoke_lock);  in insert_revoke_hash()
156 	spin_unlock(&journal->j_revoke_lock);  in insert_revoke_hash()
169 static struct jbd_revoke_record_s *find_revoke_record(journal_t *journal,  in find_revoke_record()  argument
175 	hash_list = &journal->j_revoke->hash_table[hash(journal, blocknr)];  in find_revoke_record()
177 	spin_lock(&journal->j_revoke_lock);  in find_revoke_record()
181 			spin_unlock(&journal->j_revoke_lock);  in find_revoke_record()
186 	spin_unlock(&journal->j_revoke_lock);  in find_revoke_record()
270 int journal_init_revoke(journal_t *journal, int hash_size)  in journal_init_revoke()  argument
272 	J_ASSERT(journal->j_revoke_table[0] == NULL);  in journal_init_revoke()
275 	journal->j_revoke_table[0] = journal_init_revoke_table(hash_size);  in journal_init_revoke()
276 	if (!journal->j_revoke_table[0])  in journal_init_revoke()
279 	journal->j_revoke_table[1] = journal_init_revoke_table(hash_size);  in journal_init_revoke()
280 	if (!journal->j_revoke_table[1])  in journal_init_revoke()
283 	journal->j_revoke = journal->j_revoke_table[1];  in journal_init_revoke()
285 	spin_lock_init(&journal->j_revoke_lock);  in journal_init_revoke()
290 	journal_destroy_revoke_table(journal->j_revoke_table[0]);  in journal_init_revoke()
296 void journal_destroy_revoke(journal_t *journal)  in journal_destroy_revoke()  argument
298 	journal->j_revoke = NULL;  in journal_destroy_revoke()
299 	if (journal->j_revoke_table[0])  in journal_destroy_revoke()
300 		journal_destroy_revoke_table(journal->j_revoke_table[0]);  in journal_destroy_revoke()
301 	if (journal->j_revoke_table[1])  in journal_destroy_revoke()
302 		journal_destroy_revoke_table(journal->j_revoke_table[1]);  in journal_destroy_revoke()
336 	journal_t *journal;  in journal_revoke()  local
344 	journal = handle->h_transaction->t_journal;  in journal_revoke()
345 	if (!journal_set_features(journal, 0, 0, JFS_FEATURE_INCOMPAT_REVOKE)){  in journal_revoke()
350 	bdev = journal->j_fs_dev;  in journal_revoke()
354 		bh = __find_get_block(bdev, blocknr, journal->j_blocksize);  in journal_revoke()
364 		bh2 = __find_get_block(bdev, blocknr, journal->j_blocksize);  in journal_revoke()
402 	err = insert_revoke_hash(journal, blocknr,  in journal_revoke()
426 	journal_t *journal = handle->h_transaction->t_journal;  in journal_cancel_revoke()  local
445 		record = find_revoke_record(journal, bh->b_blocknr);  in journal_cancel_revoke()
449 			spin_lock(&journal->j_revoke_lock);  in journal_cancel_revoke()
451 			spin_unlock(&journal->j_revoke_lock);  in journal_cancel_revoke()
459 	record = find_revoke_record(journal, bh->b_blocknr);  in journal_cancel_revoke()
484 void journal_clear_buffer_revoked_flags(journal_t *journal)  in journal_clear_buffer_revoked_flags()  argument
486 	struct jbd_revoke_table_s *revoke = journal->j_revoke;  in journal_clear_buffer_revoked_flags()
498 			bh = __find_get_block(journal->j_fs_dev,  in journal_clear_buffer_revoked_flags()
500 					      journal->j_blocksize);  in journal_clear_buffer_revoked_flags()
513 void journal_switch_revoke_table(journal_t *journal)  in journal_switch_revoke_table()  argument
517 	if (journal->j_revoke == journal->j_revoke_table[0])  in journal_switch_revoke_table()
518 		journal->j_revoke = journal->j_revoke_table[1];  in journal_switch_revoke_table()
520 		journal->j_revoke = journal->j_revoke_table[0];  in journal_switch_revoke_table()
522 	for (i = 0; i < journal->j_revoke->hash_size; i++)  in journal_switch_revoke_table()
523 		INIT_LIST_HEAD(&journal->j_revoke->hash_table[i]);  in journal_switch_revoke_table()
530 void journal_write_revoke_records(journal_t *journal,  in journal_write_revoke_records()  argument
544 	revoke = journal->j_revoke == journal->j_revoke_table[0] ?  in journal_write_revoke_records()
545 		journal->j_revoke_table[1] : journal->j_revoke_table[0];  in journal_write_revoke_records()
553 			write_one_revoke_record(journal, transaction,  in journal_write_revoke_records()
562 		flush_descriptor(journal, descriptor, offset, write_op);  in journal_write_revoke_records()
571 static void write_one_revoke_record(journal_t *journal,  in write_one_revoke_record()  argument
586 	if (is_journal_aborted(journal))  in write_one_revoke_record()
594 		if (offset == journal->j_blocksize) {  in write_one_revoke_record()
595 			flush_descriptor(journal, descriptor, offset, write_op);  in write_one_revoke_record()
601 		descriptor = journal_get_descriptor_buffer(journal);  in write_one_revoke_record()
630 static void flush_descriptor(journal_t *journal,  in flush_descriptor()  argument
637 	if (is_journal_aborted(journal)) {  in flush_descriptor()
673 int journal_set_revoke(journal_t *journal,  in journal_set_revoke()  argument
679 	record = find_revoke_record(journal, blocknr);  in journal_set_revoke()
687 	return insert_revoke_hash(journal, blocknr, sequence);  in journal_set_revoke()
697 int journal_test_revoke(journal_t *journal,  in journal_test_revoke()  argument
703 	record = find_revoke_record(journal, blocknr);  in journal_test_revoke()
716 void journal_clear_revoke(journal_t *journal)  in journal_clear_revoke()  argument
723 	revoke = journal->j_revoke;  in journal_clear_revoke()