[PATCH AUTOSEL 4.19 149/172] blktrace: use errno instead of bi_status

From: Sasha Levin
Date: Wed Jun 17 2020 - 21:56:16 EST


From: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>

[ Upstream commit 48bc3cd3e07a1486f45d9971c75d6090976c3b1b ]

In blk_add_trace_spliti() blk_add_trace_bio_remap() use
blk_status_to_errno() to pass the error instead of pasing the bi_status.
This fixes the sparse warning.

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@xxxxxxx>
Signed-off-by: Jens Axboe <axboe@xxxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
---
kernel/trace/blktrace.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 6cea8bbca03c..5c84f7421871 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -1004,8 +1004,10 @@ static void blk_add_trace_split(void *ignore,

__blk_add_trace(bt, bio->bi_iter.bi_sector,
bio->bi_iter.bi_size, bio_op(bio), bio->bi_opf,
- BLK_TA_SPLIT, bio->bi_status, sizeof(rpdu),
- &rpdu, blk_trace_bio_get_cgid(q, bio));
+ BLK_TA_SPLIT,
+ blk_status_to_errno(bio->bi_status),
+ sizeof(rpdu), &rpdu,
+ blk_trace_bio_get_cgid(q, bio));
}
rcu_read_unlock();
}
@@ -1042,7 +1044,8 @@ static void blk_add_trace_bio_remap(void *ignore,
r.sector_from = cpu_to_be64(from);

__blk_add_trace(bt, bio->bi_iter.bi_sector, bio->bi_iter.bi_size,
- bio_op(bio), bio->bi_opf, BLK_TA_REMAP, bio->bi_status,
+ bio_op(bio), bio->bi_opf, BLK_TA_REMAP,
+ blk_status_to_errno(bio->bi_status),
sizeof(r), &r, blk_trace_bio_get_cgid(q, bio));
rcu_read_unlock();
}
--
2.25.1