fs/btrfs/disk-io.c

66 	if (fs_info->csum_shash)
67 		crypto_free_shash(fs_info->csum_shash);
78 	SHASH_DESC_ON_STACK(shash, fs_info->csum_shash);
82 	shash->tfm = fs_info->csum_shash;
163 	SHASH_DESC_ON_STACK(shash, fs_info->csum_shash);
165 	shash->tfm = fs_info->csum_shash;
2036 	struct crypto_shash *csum_shash;
2039 	csum_shash = crypto_alloc_shash(csum_driver, 0, 0);
2041 	if (IS_ERR(csum_shash)) {
2044 		return PTR_ERR(csum_shash);
2047 	fs_info->csum_shash = csum_shash;
2056 		if (!strstr(crypto_shash_driver_name(csum_shash), "generic"))
2068 			crypto_shash_driver_name(csum_shash));
3742 	SHASH_DESC_ON_STACK(shash, fs_info->csum_shash);
3751 	shash->tfm = fs_info->csum_shash;