block: add a bi_error field to struct bio

[mirror_ubuntu-artful-kernel.git] / drivers / block / xen-blkfront.c

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 6d89ed35d80c0caaf8bf57ba82c7e9f3a9194bb9..d542db7a6c7337e0c82375366e1658ef93e8e701 100644 (file)
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -82,7 +82,6 @@ struct blk_shadow {
 struct split_bio {
        struct bio *bio;
        atomic_t pending;
-       int err;
 };
 
 static DEFINE_MUTEX(blkfront_mutex);
@@ -1478,16 +1477,14 @@ static int blkfront_probe(struct xenbus_device *dev,
        return 0;
 }
 
-static void split_bio_end(struct bio *bio, int error)
+static void split_bio_end(struct bio *bio)
 {
        struct split_bio *split_bio = bio->bi_private;
 
-       if (error)
-               split_bio->err = error;
-
        if (atomic_dec_and_test(&split_bio->pending)) {
                split_bio->bio->bi_phys_segments = 0;
-               bio_endio(split_bio->bio, split_bio->err);
+               split_bio->bio->bi_error = bio->bi_error;
+               bio_endio(split_bio->bio);
                kfree(split_bio);
        }
        bio_put(bio);