linux-kernel - [PATCH 3/7] bio-integrity: bio_trim should truncate integrity vector accordingly

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Message-Id: <1491204212-9952-4-git-send-email-dmonakhov@openvz.org>
Date:   Mon,  3 Apr 2017 11:23:28 +0400
From:   Dmitry Monakhov <dmonakhov@...nvz.org>
To:     linux-kernel@...r.kernel.org, linux-block@...r.kernel.org,
        martin.petersen@...cle.com
Cc:     Dmitry Monakhov <dmonakhov@...nvz.org>
Subject: [PATCH 3/7] bio-integrity: bio_trim should truncate integrity vector accordingly

Signed-off-by: Dmitry Monakhov <dmonakhov@...nvz.org>
---
 block/bio.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/block/bio.c b/block/bio.c
index e75878f..fa84323 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1907,6 +1907,10 @@ void bio_trim(struct bio *bio, int offset, int size)
 	bio_advance(bio, offset << 9);
 
 	bio->bi_iter.bi_size = size;
+
+	if (bio_integrity(bio))
+		bio_integrity_trim(bio, 0, size);
+
 }
 EXPORT_SYMBOL_GPL(bio_trim);
 
-- 
2.9.3