398,399c398,401
< 		if (!fscrypt_dummy_context_enabled(inode) ||
< 		    IS_ENCRYPTED(inode)) {
---
> 		const union fscrypt_context *dummy_ctx =
> 			fscrypt_get_dummy_context(inode->i_sb);
> 
> 		if (IS_ENCRYPTED(inode) || !dummy_ctx) {
406,412c408,409
< 		memset(&ctx, 0, sizeof(ctx));
< 		ctx.version = FSCRYPT_CONTEXT_V1;
< 		ctx.v1.contents_encryption_mode = FSCRYPT_MODE_AES_256_XTS;
< 		ctx.v1.filenames_encryption_mode = FSCRYPT_MODE_AES_256_CTS;
< 		memset(ctx.v1.master_key_descriptor, 0x42,
< 		       FSCRYPT_KEY_DESCRIPTOR_SIZE);
< 		res = sizeof(ctx.v1);
---
> 		res = fscrypt_context_size(dummy_ctx);
> 		memcpy(&ctx, dummy_ctx, res);