2401 static void journal_free_journal_head(struct journal_head *jh)  in journal_free_journal_head()  argument
2405 	memset(jh, JBD2_POISON_FREE, sizeof(*jh));  in journal_free_journal_head()
2407 	kmem_cache_free(jbd2_journal_head_cache, jh);  in journal_free_journal_head()
2453 	struct journal_head *jh;  in jbd2_journal_add_journal_head()  local
2462 		jh = bh2jh(bh);  in jbd2_journal_add_journal_head()
2473 		jh = new_jh;  in jbd2_journal_add_journal_head()
2476 		bh->b_private = jh;  in jbd2_journal_add_journal_head()
2477 		jh->b_bh = bh;  in jbd2_journal_add_journal_head()
2481 	jh->b_jcount++;  in jbd2_journal_add_journal_head()
2494 	struct journal_head *jh = NULL;  in jbd2_journal_grab_journal_head()  local
2498 		jh = bh2jh(bh);  in jbd2_journal_grab_journal_head()
2499 		jh->b_jcount++;  in jbd2_journal_grab_journal_head()
2502 	return jh;  in jbd2_journal_grab_journal_head()
2507 	struct journal_head *jh = bh2jh(bh);  in __journal_remove_journal_head()  local
2509 	J_ASSERT_JH(jh, jh->b_jcount >= 0);  in __journal_remove_journal_head()
2510 	J_ASSERT_JH(jh, jh->b_transaction == NULL);  in __journal_remove_journal_head()
2511 	J_ASSERT_JH(jh, jh->b_next_transaction == NULL);  in __journal_remove_journal_head()
2512 	J_ASSERT_JH(jh, jh->b_cp_transaction == NULL);  in __journal_remove_journal_head()
2513 	J_ASSERT_JH(jh, jh->b_jlist == BJ_None);  in __journal_remove_journal_head()
2515 	J_ASSERT_BH(bh, jh2bh(jh) == bh);  in __journal_remove_journal_head()
2517 	if (jh->b_frozen_data) {  in __journal_remove_journal_head()
2519 		jbd2_free(jh->b_frozen_data, bh->b_size);  in __journal_remove_journal_head()
2521 	if (jh->b_committed_data) {  in __journal_remove_journal_head()
2523 		jbd2_free(jh->b_committed_data, bh->b_size);  in __journal_remove_journal_head()
2526 	jh->b_bh = NULL;	/* debug, really */  in __journal_remove_journal_head()
2528 	journal_free_journal_head(jh);  in __journal_remove_journal_head()
2535 void jbd2_journal_put_journal_head(struct journal_head *jh)  in jbd2_journal_put_journal_head()  argument
2537 	struct buffer_head *bh = jh2bh(jh);  in jbd2_journal_put_journal_head()
2540 	J_ASSERT_JH(jh, jh->b_jcount > 0);  in jbd2_journal_put_journal_head()
2541 	--jh->b_jcount;  in jbd2_journal_put_journal_head()
2542 	if (!jh->b_jcount) {  in jbd2_journal_put_journal_head()