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Diffstat (limited to 'drivers/md/dm-io.c')
-rw-r--r--drivers/md/dm-io.c8
1 files changed, 5 insertions, 3 deletions
diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index 74adcd2c9..6f8e83b2a 100644
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -134,12 +134,13 @@ static void dec_count(struct io *io, unsigned int region, int error)
complete_io(io);
}
-static void endio(struct bio *bio, int error)
+static void endio(struct bio *bio)
{
struct io *io;
unsigned region;
+ int error;
- if (error && bio_data_dir(bio) == READ)
+ if (bio->bi_error && bio_data_dir(bio) == READ)
zero_fill_bio(bio);
/*
@@ -147,6 +148,7 @@ static void endio(struct bio *bio, int error)
*/
retrieve_io_and_region_from_bio(bio, &io, &region);
+ error = bio->bi_error;
bio_put(bio);
dec_count(io, region, error);
@@ -314,7 +316,7 @@ static void do_region(int rw, unsigned region, struct dm_io_region *where,
if ((rw & REQ_DISCARD) || (rw & REQ_WRITE_SAME))
num_bvecs = 1;
else
- num_bvecs = min_t(int, bio_get_nr_vecs(where->bdev),
+ num_bvecs = min_t(int, BIO_MAX_PAGES,
dm_sector_div_up(remaining, (PAGE_SIZE >> SECTOR_SHIFT)));
bio = bio_alloc_bioset(GFP_NOIO, num_bvecs, io->client->bios);