2701 static void journal_free_journal_head(struct journal_head *jh)  in journal_free_journal_head()  argument
2705 	memset(jh, JBD2_POISON_FREE, sizeof(*jh));  in journal_free_journal_head()
2707 	kmem_cache_free(jbd2_journal_head_cache, jh);  in journal_free_journal_head()
2753 	struct journal_head *jh;  in jbd2_journal_add_journal_head()  local
2762 		jh = bh2jh(bh);  in jbd2_journal_add_journal_head()
2773 		jh = new_jh;  in jbd2_journal_add_journal_head()
2776 		bh->b_private = jh;  in jbd2_journal_add_journal_head()
2777 		jh->b_bh = bh;  in jbd2_journal_add_journal_head()
2781 	jh->b_jcount++;  in jbd2_journal_add_journal_head()
2794 	struct journal_head *jh = NULL;  in jbd2_journal_grab_journal_head()  local
2798 		jh = bh2jh(bh);  in jbd2_journal_grab_journal_head()
2799 		jh->b_jcount++;  in jbd2_journal_grab_journal_head()
2802 	return jh;  in jbd2_journal_grab_journal_head()
2808 	struct journal_head *jh = bh2jh(bh);  in __journal_remove_journal_head()  local
2810 	J_ASSERT_JH(jh, jh->b_transaction == NULL);  in __journal_remove_journal_head()
2811 	J_ASSERT_JH(jh, jh->b_next_transaction == NULL);  in __journal_remove_journal_head()
2812 	J_ASSERT_JH(jh, jh->b_cp_transaction == NULL);  in __journal_remove_journal_head()
2813 	J_ASSERT_JH(jh, jh->b_jlist == BJ_None);  in __journal_remove_journal_head()
2815 	J_ASSERT_BH(bh, jh2bh(jh) == bh);  in __journal_remove_journal_head()
2820 	jh->b_bh = NULL;	/* debug, really */  in __journal_remove_journal_head()
2824 static void journal_release_journal_head(struct journal_head *jh, size_t b_size)  in journal_release_journal_head()  argument
2826 	if (jh->b_frozen_data) {  in journal_release_journal_head()
2828 		jbd2_free(jh->b_frozen_data, b_size);  in journal_release_journal_head()
2830 	if (jh->b_committed_data) {  in journal_release_journal_head()
2832 		jbd2_free(jh->b_committed_data, b_size);  in journal_release_journal_head()
2834 	journal_free_journal_head(jh);  in journal_release_journal_head()
2841 void jbd2_journal_put_journal_head(struct journal_head *jh)  in jbd2_journal_put_journal_head()  argument
2843 	struct buffer_head *bh = jh2bh(jh);  in jbd2_journal_put_journal_head()
2846 	J_ASSERT_JH(jh, jh->b_jcount > 0);  in jbd2_journal_put_journal_head()
2847 	--jh->b_jcount;  in jbd2_journal_put_journal_head()
2848 	if (!jh->b_jcount) {  in jbd2_journal_put_journal_head()
2851 		journal_release_journal_head(jh, bh->b_size);  in jbd2_journal_put_journal_head()