60 	struct data_file *df = get_incfs_data_file(filp);  in incfs_get_root_hash()  local
62 	if (!df)  in incfs_get_root_hash()
65 	memcpy(root_hash, df->df_hash_tree->root_hash,  in incfs_get_root_hash()
66 	       df->df_hash_tree->alg->digest_size);  in incfs_get_root_hash()
78 	struct data_file *df = get_incfs_data_file(filp);  in incfs_end_enable_verity()  local
84 	if (!df || !df->df_backing_file_context)  in incfs_end_enable_verity()
93 	bfc = df->df_backing_file_context;  in incfs_end_enable_verity()
120 		df->df_verity_signature = vs;  in incfs_end_enable_verity()
155 	struct data_file *df;  in incfs_get_verity_digest()  local
163 	df = node->n_file;  in incfs_get_verity_digest()
172 					&df->df_verity_file_digest.data);  in incfs_get_verity_digest()
173 	verity_file_digest.len = df->df_verity_file_digest.len;  in incfs_get_verity_digest()
181 	struct data_file *df;  in incfs_set_verity_digest()  local
189 	df = node->n_file;  in incfs_set_verity_digest()
190 	df->df_verity_file_digest.len = verity_file_digest.len;  in incfs_set_verity_digest()
199 	if (cmpxchg_release(&df->df_verity_file_digest.data, NULL,  in incfs_set_verity_digest()
296 static int incfs_build_merkle_tree(struct file *f, struct data_file *df,  in incfs_build_merkle_tree()  argument
318 	limit = df->df_data_block_count;  in incfs_build_merkle_tree()
420 	struct data_file *df = get_incfs_data_file(f);  in incfs_add_signature_record()  local
432 	if (!df)  in incfs_add_signature_record()
435 	if (df->df_header_flags & INCFS_FILE_MAPPED)  in incfs_add_signature_record()
439 	if (df->df_signature && df->df_hash_tree)  in incfs_add_signature_record()
442 	if (df->df_signature || df->df_hash_tree)  in incfs_add_signature_record()
447 				      df->df_data_block_count);  in incfs_add_signature_record()
451 	bfc = df->df_backing_file_context;  in incfs_add_signature_record()
470 	error = incfs_build_merkle_tree(f, df, bfc, hash_tree, hash_offset, alg,  in incfs_add_signature_record()
501 	df->df_signature = signature;  in incfs_add_signature_record()
508 	smp_store_release(&df->df_hash_tree, hash_tree);  in incfs_add_signature_record()
521 	struct data_file *df = get_incfs_data_file(filp);  in incfs_enable_verity()  local
526 	if (!df)  in incfs_enable_verity()
529 	err = mutex_lock_interruptible(&df->df_enable_verity);  in incfs_enable_verity()
569 	mutex_unlock(&df->df_enable_verity);  in incfs_enable_verity()
615 	struct data_file *df = get_incfs_data_file(filp);  in incfs_get_verity_signature()  local
620 	if (!df || !df->df_backing_file_context)  in incfs_get_verity_signature()
623 	vs = df->df_verity_signature;  in incfs_get_verity_signature()
638 	res = incfs_kread(df->df_backing_file_context,  in incfs_get_verity_signature()
751 	struct data_file *df = get_incfs_data_file(filp);  in incfs_read_merkle_tree()  local
753 	if (!df)  in incfs_read_merkle_tree()
765 		err = incfs_read_merkle_tree_blocks(tmp_buf, df, offset);  in incfs_read_merkle_tree()