2851 static void journal_free_journal_head(struct journal_head *jh)  in journal_free_journal_head()  argument
2855 	memset(jh, JBD2_POISON_FREE, sizeof(*jh));  in journal_free_journal_head()
2857 	kmem_cache_free(jbd2_journal_head_cache, jh);  in journal_free_journal_head()
2903 	struct journal_head *jh;  in jbd2_journal_add_journal_head()  local
2912 		jh = bh2jh(bh);  in jbd2_journal_add_journal_head()
2923 		jh = new_jh;  in jbd2_journal_add_journal_head()
2926 		bh->b_private = jh;  in jbd2_journal_add_journal_head()
2927 		jh->b_bh = bh;  in jbd2_journal_add_journal_head()
2931 	jh->b_jcount++;  in jbd2_journal_add_journal_head()
2944 	struct journal_head *jh = NULL;  in jbd2_journal_grab_journal_head()  local
2948 		jh = bh2jh(bh);  in jbd2_journal_grab_journal_head()
2949 		jh->b_jcount++;  in jbd2_journal_grab_journal_head()
2952 	return jh;  in jbd2_journal_grab_journal_head()
2958 	struct journal_head *jh = bh2jh(bh);  in __journal_remove_journal_head()  local
2960 	J_ASSERT_JH(jh, jh->b_transaction == NULL);  in __journal_remove_journal_head()
2961 	J_ASSERT_JH(jh, jh->b_next_transaction == NULL);  in __journal_remove_journal_head()
2962 	J_ASSERT_JH(jh, jh->b_cp_transaction == NULL);  in __journal_remove_journal_head()
2963 	J_ASSERT_JH(jh, jh->b_jlist == BJ_None);  in __journal_remove_journal_head()
2965 	J_ASSERT_BH(bh, jh2bh(jh) == bh);  in __journal_remove_journal_head()
2970 	jh->b_bh = NULL;	/* debug, really */  in __journal_remove_journal_head()
2974 static void journal_release_journal_head(struct journal_head *jh, size_t b_size)  in journal_release_journal_head()  argument
2976 	if (jh->b_frozen_data) {  in journal_release_journal_head()
2978 		jbd2_free(jh->b_frozen_data, b_size);  in journal_release_journal_head()
2980 	if (jh->b_committed_data) {  in journal_release_journal_head()
2982 		jbd2_free(jh->b_committed_data, b_size);  in journal_release_journal_head()
2984 	journal_free_journal_head(jh);  in journal_release_journal_head()
2991 void jbd2_journal_put_journal_head(struct journal_head *jh)  in jbd2_journal_put_journal_head()  argument
2993 	struct buffer_head *bh = jh2bh(jh);  in jbd2_journal_put_journal_head()
2996 	J_ASSERT_JH(jh, jh->b_jcount > 0);  in jbd2_journal_put_journal_head()
2997 	--jh->b_jcount;  in jbd2_journal_put_journal_head()
2998 	if (!jh->b_jcount) {  in jbd2_journal_put_journal_head()
3001 		journal_release_journal_head(jh, bh->b_size);  in jbd2_journal_put_journal_head()