blktrace: use errno instead of bi_status

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>

diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 1e54994..e2013bd 100644 (file)
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -995,8 +995,10 @@ 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();
 }
@@ -1033,7 +1035,8 @@ 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();
 }