blktrace: use errno instead of bi_status
authorChaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
Thu, 4 Jun 2020 07:13:28 +0000 (00:13 -0700)
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>
Wed, 24 Jun 2020 15:50:39 +0000 (17:50 +0200)
[ 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@wdc.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Signed-off-by: Sasha Levin <sashal@kernel.org>
kernel/trace/blktrace.c

index e7e483c..9e02e1c 100644 (file)
@@ -999,8 +999,10 @@ 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();
 }
@@ -1037,7 +1039,8 @@ 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();
 }