block: switch bios to blk_status_t

Replace bi_error with a new bi_status to allow for a clear conversion.
Note that device mapper overloaded bi_error with a private value, which
we'll have to keep arround at least for now and thus propagate to a
proper blk_status_t value.

Signed-off-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Jens Axboe <axboe@fb.com>

1 files changed, 2 insertions, 2 deletions

diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index 983718b8fd9b..31b2d14e210d 100644
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1210,7 +1210,7 @@ static blk_qc_t btt_make_request(struct request_queue *q, struct bio *bio)
          * another kernel subsystem, and we just pass it through.
          */
         if (bio_integrity_enabled(bio) && bio_integrity_prep(bio)) {
-                bio->bi_error = -EIO;
+                bio->bi_status = BLK_STS_IOERR;
                 goto out;
         }
 
@@ -1232,7 +1232,7 @@ static blk_qc_t btt_make_request(struct request_queue *q, struct bio *bio)
                                         (op_is_write(bio_op(bio))) ? "WRITE" :
                                         "READ",
                                         (unsigned long long) iter.bi_sector, len);
-                        bio->bi_error = err;
+                        bio->bi_status = errno_to_blk_status(err);
                         break;
                 }
         }