block: add a bi_error field to struct bio

[cascardo/linux.git] / fs / btrfs / scrub.c

diff --git a/fs/btrfs/scrub.c b/fs/btrfs/scrub.c
index 94db0fa..ebb8260 100644 (file)
--- a/fs/btrfs/scrub.c
+++ b/fs/btrfs/scrub.c
@@ -278,7 +278,7 @@ static int scrub_pages(struct scrub_ctx *sctx, u64 logical, u64 len,
                       u64 physical, struct btrfs_device *dev, u64 flags,
                       u64 gen, int mirror_num, u8 *csum, int force,
                       u64 physical_for_dev_replace);
-static void scrub_bio_end_io(struct bio *bio, int err);
+static void scrub_bio_end_io(struct bio *bio);
 static void scrub_bio_end_io_worker(struct btrfs_work *work);
 static void scrub_block_complete(struct scrub_block *sblock);
 static void scrub_remap_extent(struct btrfs_fs_info *fs_info,
@@ -295,7 +295,7 @@ static void scrub_free_wr_ctx(struct scrub_wr_ctx *wr_ctx);
 static int scrub_add_page_to_wr_bio(struct scrub_ctx *sctx,
                                    struct scrub_page *spage);
 static void scrub_wr_submit(struct scrub_ctx *sctx);
-static void scrub_wr_bio_end_io(struct bio *bio, int err);
+static void scrub_wr_bio_end_io(struct bio *bio);
 static void scrub_wr_bio_end_io_worker(struct btrfs_work *work);
 static int write_page_nocow(struct scrub_ctx *sctx,
                            u64 physical_for_dev_replace, struct page *page);
@@ -1429,11 +1429,11 @@ struct scrub_bio_ret {
        int error;
 };
 
-static void scrub_bio_wait_endio(struct bio *bio, int error)
+static void scrub_bio_wait_endio(struct bio *bio)
 {
        struct scrub_bio_ret *ret = bio->bi_private;
 
-       ret->error = error;
+       ret->error = bio->bi_error;
        complete(&ret->event);
 }
 
@@ -1790,12 +1790,12 @@ static void scrub_wr_submit(struct scrub_ctx *sctx)
        btrfsic_submit_bio(WRITE, sbio->bio);
 }
 
-static void scrub_wr_bio_end_io(struct bio *bio, int err)
+static void scrub_wr_bio_end_io(struct bio *bio)
 {
        struct scrub_bio *sbio = bio->bi_private;
        struct btrfs_fs_info *fs_info = sbio->dev->dev_root->fs_info;
 
-       sbio->err = err;
+       sbio->err = bio->bi_error;
        sbio->bio = bio;
 
        btrfs_init_work(&sbio->work, btrfs_scrubwrc_helper,
@@ -2098,7 +2098,7 @@ static void scrub_submit(struct scrub_ctx *sctx)
                 */
                printk_ratelimited(KERN_WARNING
                        "BTRFS: scrub_submit(bio bdev == NULL) is unexpected!\n");
-               bio_endio(sbio->bio, -EIO);
+               bio_io_error(sbio->bio);
        } else {
                btrfsic_submit_bio(READ, sbio->bio);
        }
@@ -2260,12 +2260,12 @@ leave_nomem:
        return 0;
 }
 
-static void scrub_bio_end_io(struct bio *bio, int err)
+static void scrub_bio_end_io(struct bio *bio)
 {
        struct scrub_bio *sbio = bio->bi_private;
        struct btrfs_fs_info *fs_info = sbio->dev->dev_root->fs_info;
 
-       sbio->err = err;
+       sbio->err = bio->bi_error;
        sbio->bio = bio;
 
        btrfs_queue_work(fs_info->scrub_workers, &sbio->work);
@@ -2672,11 +2672,11 @@ static void scrub_parity_bio_endio_worker(struct btrfs_work *work)
        scrub_pending_bio_dec(sctx);
 }
 
-static void scrub_parity_bio_endio(struct bio *bio, int error)
+static void scrub_parity_bio_endio(struct bio *bio)
 {
        struct scrub_parity *sparity = (struct scrub_parity *)bio->bi_private;
 
-       if (error)
+       if (bio->bi_error)
                bitmap_or(sparity->ebitmap, sparity->ebitmap, sparity->dbitmap,
                          sparity->nsectors);