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()
143 static int insert_revoke_hash(journal_t *journal, unsigned int blocknr,  in insert_revoke_hash()  argument
156 	hash_list = &journal->j_revoke->hash_table[hash(journal, blocknr)];  in insert_revoke_hash()
157 	spin_lock(&journal->j_revoke_lock);  in insert_revoke_hash()
159 	spin_unlock(&journal->j_revoke_lock);  in insert_revoke_hash()
172 static struct jbd_revoke_record_s *find_revoke_record(journal_t *journal,  in find_revoke_record()  argument
178 	hash_list = &journal->j_revoke->hash_table[hash(journal, blocknr)];  in find_revoke_record()
180 	spin_lock(&journal->j_revoke_lock);  in find_revoke_record()
184 			spin_unlock(&journal->j_revoke_lock);  in find_revoke_record()
189 	spin_unlock(&journal->j_revoke_lock);  in find_revoke_record()
277 int journal_init_revoke(journal_t *journal, int hash_size)  in journal_init_revoke()  argument
279 	J_ASSERT(journal->j_revoke_table[0] == NULL);  in journal_init_revoke()
282 	journal->j_revoke_table[0] = journal_init_revoke_table(hash_size);  in journal_init_revoke()
283 	if (!journal->j_revoke_table[0])  in journal_init_revoke()
286 	journal->j_revoke_table[1] = journal_init_revoke_table(hash_size);  in journal_init_revoke()
287 	if (!journal->j_revoke_table[1])  in journal_init_revoke()
290 	journal->j_revoke = journal->j_revoke_table[1];  in journal_init_revoke()
292 	spin_lock_init(&journal->j_revoke_lock);  in journal_init_revoke()
297 	journal_destroy_revoke_table(journal->j_revoke_table[0]);  in journal_init_revoke()
303 void journal_destroy_revoke(journal_t *journal)  in journal_destroy_revoke()  argument
305 	journal->j_revoke = NULL;  in journal_destroy_revoke()
306 	if (journal->j_revoke_table[0])  in journal_destroy_revoke()
307 		journal_destroy_revoke_table(journal->j_revoke_table[0]);  in journal_destroy_revoke()
308 	if (journal->j_revoke_table[1])  in journal_destroy_revoke()
309 		journal_destroy_revoke_table(journal->j_revoke_table[1]);  in journal_destroy_revoke()
343 	journal_t *journal;  in journal_revoke()  local
351 	journal = handle->h_transaction->t_journal;  in journal_revoke()
352 	if (!journal_set_features(journal, 0, 0, JFS_FEATURE_INCOMPAT_REVOKE)){  in journal_revoke()
357 	bdev = journal->j_fs_dev;  in journal_revoke()
361 		bh = __find_get_block(bdev, blocknr, journal->j_blocksize);  in journal_revoke()
371 		bh2 = __find_get_block(bdev, blocknr, journal->j_blocksize);  in journal_revoke()
409 	err = insert_revoke_hash(journal, blocknr,  in journal_revoke()
433 	journal_t *journal = handle->h_transaction->t_journal;  in journal_cancel_revoke()  local
452 		record = find_revoke_record(journal, bh->b_blocknr);  in journal_cancel_revoke()
456 			spin_lock(&journal->j_revoke_lock);  in journal_cancel_revoke()
458 			spin_unlock(&journal->j_revoke_lock);  in journal_cancel_revoke()
466 	record = find_revoke_record(journal, bh->b_blocknr);  in journal_cancel_revoke()
491 void journal_clear_buffer_revoked_flags(journal_t *journal)  in journal_clear_buffer_revoked_flags()  argument
493 	struct jbd_revoke_table_s *revoke = journal->j_revoke;  in journal_clear_buffer_revoked_flags()
505 			bh = __find_get_block(journal->j_fs_dev,  in journal_clear_buffer_revoked_flags()
507 					      journal->j_blocksize);  in journal_clear_buffer_revoked_flags()
520 void journal_switch_revoke_table(journal_t *journal)  in journal_switch_revoke_table()  argument
524 	if (journal->j_revoke == journal->j_revoke_table[0])  in journal_switch_revoke_table()
525 		journal->j_revoke = journal->j_revoke_table[1];  in journal_switch_revoke_table()
527 		journal->j_revoke = journal->j_revoke_table[0];  in journal_switch_revoke_table()
529 	for (i = 0; i < journal->j_revoke->hash_size; i++)  in journal_switch_revoke_table()
530 		INIT_LIST_HEAD(&journal->j_revoke->hash_table[i]);  in journal_switch_revoke_table()
537 void journal_write_revoke_records(journal_t *journal,  in journal_write_revoke_records()  argument
551 	revoke = journal->j_revoke == journal->j_revoke_table[0] ?  in journal_write_revoke_records()
552 		journal->j_revoke_table[1] : journal->j_revoke_table[0];  in journal_write_revoke_records()
560 			write_one_revoke_record(journal, transaction,  in journal_write_revoke_records()
569 		flush_descriptor(journal, descriptor, offset, write_op);  in journal_write_revoke_records()
578 static void write_one_revoke_record(journal_t *journal,  in write_one_revoke_record()  argument
593 	if (is_journal_aborted(journal))  in write_one_revoke_record()
601 		if (offset == journal->j_blocksize) {  in write_one_revoke_record()
602 			flush_descriptor(journal, descriptor, offset, write_op);  in write_one_revoke_record()
608 		descriptor = journal_get_descriptor_buffer(journal);  in write_one_revoke_record()
637 static void flush_descriptor(journal_t *journal,  in flush_descriptor()  argument
644 	if (is_journal_aborted(journal)) {  in flush_descriptor()
680 int journal_set_revoke(journal_t *journal,  in journal_set_revoke()  argument
686 	record = find_revoke_record(journal, blocknr);  in journal_set_revoke()
694 	return insert_revoke_hash(journal, blocknr, sequence);  in journal_set_revoke()
704 int journal_test_revoke(journal_t *journal,  in journal_test_revoke()  argument
710 	record = find_revoke_record(journal, blocknr);  in journal_test_revoke()
723 void journal_clear_revoke(journal_t *journal)  in journal_clear_revoke()  argument
730 	revoke = journal->j_revoke;  in journal_clear_revoke()