131 static inline int hash(journal_t *journal, unsigned long long block)  in hash()  argument
133 	return hash_64(block, journal->j_revoke->hash_shift);  in hash()
136 static int insert_revoke_hash(journal_t *journal, unsigned long long blocknr,  in insert_revoke_hash()  argument
151 	hash_list = &journal->j_revoke->hash_table[hash(journal, blocknr)];  in insert_revoke_hash()
152 	spin_lock(&journal->j_revoke_lock);  in insert_revoke_hash()
154 	spin_unlock(&journal->j_revoke_lock);  in insert_revoke_hash()
160 static struct jbd2_revoke_record_s *find_revoke_record(journal_t *journal,  in find_revoke_record()  argument
166 	hash_list = &journal->j_revoke->hash_table[hash(journal, blocknr)];  in find_revoke_record()
168 	spin_lock(&journal->j_revoke_lock);  in find_revoke_record()
172 			spin_unlock(&journal->j_revoke_lock);  in find_revoke_record()
177 	spin_unlock(&journal->j_revoke_lock);  in find_revoke_record()
255 int jbd2_journal_init_revoke(journal_t *journal, int hash_size)  in jbd2_journal_init_revoke()  argument
257 	J_ASSERT(journal->j_revoke_table[0] == NULL);  in jbd2_journal_init_revoke()
260 	journal->j_revoke_table[0] = jbd2_journal_init_revoke_table(hash_size);  in jbd2_journal_init_revoke()
261 	if (!journal->j_revoke_table[0])  in jbd2_journal_init_revoke()
264 	journal->j_revoke_table[1] = jbd2_journal_init_revoke_table(hash_size);  in jbd2_journal_init_revoke()
265 	if (!journal->j_revoke_table[1])  in jbd2_journal_init_revoke()
268 	journal->j_revoke = journal->j_revoke_table[1];  in jbd2_journal_init_revoke()
270 	spin_lock_init(&journal->j_revoke_lock);  in jbd2_journal_init_revoke()
275 	jbd2_journal_destroy_revoke_table(journal->j_revoke_table[0]);  in jbd2_journal_init_revoke()
276 	journal->j_revoke_table[0] = NULL;  in jbd2_journal_init_revoke()
282 void jbd2_journal_destroy_revoke(journal_t *journal)  in jbd2_journal_destroy_revoke()  argument
284 	journal->j_revoke = NULL;  in jbd2_journal_destroy_revoke()
285 	if (journal->j_revoke_table[0])  in jbd2_journal_destroy_revoke()
286 		jbd2_journal_destroy_revoke_table(journal->j_revoke_table[0]);  in jbd2_journal_destroy_revoke()
287 	if (journal->j_revoke_table[1])  in jbd2_journal_destroy_revoke()
288 		jbd2_journal_destroy_revoke_table(journal->j_revoke_table[1]);  in jbd2_journal_destroy_revoke()
322 	journal_t *journal;  in jbd2_journal_revoke()  local
330 	journal = handle->h_transaction->t_journal;  in jbd2_journal_revoke()
331 	if (!jbd2_journal_set_features(journal, 0, 0, JBD2_FEATURE_INCOMPAT_REVOKE)){  in jbd2_journal_revoke()
336 	bdev = journal->j_fs_dev;  in jbd2_journal_revoke()
340 		bh = __find_get_block(bdev, blocknr, journal->j_blocksize);  in jbd2_journal_revoke()
350 		bh2 = __find_get_block(bdev, blocknr, journal->j_blocksize);  in jbd2_journal_revoke()
388 	err = insert_revoke_hash(journal, blocknr,  in jbd2_journal_revoke()
412 	journal_t *journal = handle->h_transaction->t_journal;  in jbd2_journal_cancel_revoke()  local
431 		record = find_revoke_record(journal, bh->b_blocknr);  in jbd2_journal_cancel_revoke()
435 			spin_lock(&journal->j_revoke_lock);  in jbd2_journal_cancel_revoke()
437 			spin_unlock(&journal->j_revoke_lock);  in jbd2_journal_cancel_revoke()
445 	record = find_revoke_record(journal, bh->b_blocknr);  in jbd2_journal_cancel_revoke()
470 void jbd2_clear_buffer_revoked_flags(journal_t *journal)  in jbd2_clear_buffer_revoked_flags()  argument
472 	struct jbd2_revoke_table_s *revoke = journal->j_revoke;  in jbd2_clear_buffer_revoked_flags()
484 			bh = __find_get_block(journal->j_fs_dev,  in jbd2_clear_buffer_revoked_flags()
486 					      journal->j_blocksize);  in jbd2_clear_buffer_revoked_flags()
499 void jbd2_journal_switch_revoke_table(journal_t *journal)  in jbd2_journal_switch_revoke_table()  argument
503 	if (journal->j_revoke == journal->j_revoke_table[0])  in jbd2_journal_switch_revoke_table()
504 		journal->j_revoke = journal->j_revoke_table[1];  in jbd2_journal_switch_revoke_table()
506 		journal->j_revoke = journal->j_revoke_table[0];  in jbd2_journal_switch_revoke_table()
508 	for (i = 0; i < journal->j_revoke->hash_size; i++)  in jbd2_journal_switch_revoke_table()
509 		INIT_LIST_HEAD(&journal->j_revoke->hash_table[i]);  in jbd2_journal_switch_revoke_table()
519 	journal_t *journal = transaction->t_journal;  in jbd2_journal_write_revoke_records()  local
531 	revoke = journal->j_revoke == journal->j_revoke_table[0] ?  in jbd2_journal_write_revoke_records()
532 		journal->j_revoke_table[1] : journal->j_revoke_table[0];  in jbd2_journal_write_revoke_records()
548 		flush_descriptor(journal, descriptor, offset);  in jbd2_journal_write_revoke_records()
563 	journal_t *journal = transaction->t_journal;  in write_one_revoke_record()  local
572 	if (is_journal_aborted(journal))  in write_one_revoke_record()
579 	if (jbd2_journal_has_csum_v2or3(journal))  in write_one_revoke_record()
582 	if (jbd2_has_feature_64bit(journal))  in write_one_revoke_record()
589 		if (offset + sz > journal->j_blocksize - csum_size) {  in write_one_revoke_record()
590 			flush_descriptor(journal, descriptor, offset);  in write_one_revoke_record()
609 	if (jbd2_has_feature_64bit(journal))  in write_one_revoke_record()
627 static void flush_descriptor(journal_t *journal,  in flush_descriptor()  argument
633 	if (is_journal_aborted(journal)) {  in flush_descriptor()
640 	jbd2_descriptor_block_csum_set(journal, descriptor);  in flush_descriptor()
671 int jbd2_journal_set_revoke(journal_t *journal,  in jbd2_journal_set_revoke()  argument
677 	record = find_revoke_record(journal, blocknr);  in jbd2_journal_set_revoke()
685 	return insert_revoke_hash(journal, blocknr, sequence);  in jbd2_journal_set_revoke()
695 int jbd2_journal_test_revoke(journal_t *journal,  in jbd2_journal_test_revoke()  argument
701 	record = find_revoke_record(journal, blocknr);  in jbd2_journal_test_revoke()
714 void jbd2_journal_clear_revoke(journal_t *journal)  in jbd2_journal_clear_revoke()  argument
721 	revoke = journal->j_revoke;  in jbd2_journal_clear_revoke()