From: Goldwyn Rodrigues <rgoldwyn@suse.com>
Date: Tue, 23 Jan 2018 16:10:19 +0000 (-0700)
Subject: block: Set BIO_TRACE_COMPLETION on new bio during split
X-Git-Tag: v4.14.37~107
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=c6c6e38aeff2b4131de2718a993d07995844dcc8;p=platform%2Fkernel%2Flinux-exynos.git

block: Set BIO_TRACE_COMPLETION on new bio during split


[ Upstream commit 20d59023c5ec4426284af492808bcea1f39787ef ]

We inadvertently set it again on the source bio, but we need
to set it on the new split bio instead.

Fixes: fbbaf700e7b1 ("block: trace completion of all bios.")
Signed-off-by: Goldwyn Rodrigues <rgoldwyn@suse.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/block/bio.c b/block/bio.c
index dbaa82c..90f19d7 100644
--- a/block/bio.c
+++ b/block/bio.c
@@ -1893,7 +1893,7 @@ struct bio *bio_split(struct bio *bio, int sectors,
 	bio_advance(bio, split->bi_iter.bi_size);
 
 	if (bio_flagged(bio, BIO_TRACE_COMPLETION))
-		bio_set_flag(bio, BIO_TRACE_COMPLETION);
+		bio_set_flag(split, BIO_TRACE_COMPLETION);
 
 	return split;
 }