[PATCH 1/2] block: add bi_crypto_ctx variable in struct bio

From: Parshuram Thombare
Date: Tue Dec 11 2018 - 04:50:29 EST


Add variable 'void *bi_crypt_ctx' in 'struct bio'. This will
be used to associate bio with crypto configuration of controller
supporting real time / inline encryption/decryption.

Signed-off-by: Parshuram Thombare <pthombar@xxxxxxxxxxx>
---
include/linux/blk_types.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/include/linux/blk_types.h b/include/linux/blk_types.h
index 1dcf652..bd77603 100644
--- a/include/linux/blk_types.h
+++ b/include/linux/blk_types.h
@@ -188,6 +188,10 @@ struct bio {
#endif
};

+#ifdef CONFIG_BLK_DEV_HW_RT_ENCRYPTION
+ void *bi_crypto_ctx;
+#endif
+
unsigned short bi_vcnt; /* how many bio_vec's */

/*
--
1.7.1