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/fs/ext4/readpage.c b/fs/ext4/readpage.c
index a81b829d56de..40a5497b0f60 100644
--- a/fs/ext4/readpage.c
+++ b/fs/ext4/readpage.c
@@ -73,7 +73,7 @@ static void mpage_end_io(struct bio *bio)
         int i;
 
         if (ext4_bio_encrypted(bio)) {
-                if (bio->bi_error) {
+                if (bio->bi_status) {
                         fscrypt_release_ctx(bio->bi_private);
                 } else {
                         fscrypt_decrypt_bio_pages(bio->bi_private, bio);
@@ -83,7 +83,7 @@ static void mpage_end_io(struct bio *bio)
         bio_for_each_segment_all(bv, bio, i) {
                 struct page *page = bv->bv_page;
 
-                if (!bio->bi_error) {
+                if (!bio->bi_status) {
                         SetPageUptodate(page);
                 } else {
                         ClearPageUptodate(page);