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Date:   Tue, 11 Dec 2018 09:50:01 +0000
From:   Parshuram Thombare <pthombar@cadence.com>
To:     <axboe@kernel.dk>, <tj@kernel.org>, <jbacik@fb.com>,
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Subject: [PATCH 1/2] block: add bi_crypto_ctx variable in struct bio
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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@cadence.com>
---
 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