md: fix formatting error in /proc/mdstat

[linux-2.6-omap-h63xx.git] / drivers / md / dm-io.c

diff --git a/drivers/md/dm-io.c b/drivers/md/dm-io.c
index 352c6fbeac53a19dd82f8ef6994b733da4ad931d..b8e342fe75863e526a074584d3e0b64f92b775da 100644 (file)
--- a/drivers/md/dm-io.c
+++ b/drivers/md/dm-io.c
@@ -124,15 +124,11 @@ static void dec_count(struct io *io, unsigned int region, int error)
        }
 }
 
-static int endio(struct bio *bio, unsigned int done, int error)
+static void endio(struct bio *bio, int error)
 {
        struct io *io;
        unsigned region;
 
-       /* keep going until we've finished */
-       if (bio->bi_size)
-               return 1;
-
        if (error && bio_data_dir(bio) == READ)
                zero_fill_bio(bio);
 
@@ -146,8 +142,6 @@ static int endio(struct bio *bio, unsigned int done, int error)
        bio_put(bio);
 
        dec_count(io, region, error);
-
-       return 0;
 }
 
 /*-----------------------------------------------------------------
@@ -293,7 +287,10 @@ static void do_region(int rw, unsigned int region, struct io_region *where,
                 * bvec for bio_get/set_region() and decrement bi_max_vecs
                 * to hide it from bio_add_page().
                 */
-               num_bvecs = (remaining / (PAGE_SIZE >> SECTOR_SHIFT)) + 2;
+               num_bvecs = dm_sector_div_up(remaining,
+                                            (PAGE_SIZE >> SECTOR_SHIFT));
+               num_bvecs = 1 + min_t(int, bio_get_nr_vecs(where->bdev),
+                                     num_bvecs);
                bio = bio_alloc_bioset(GFP_NOIO, num_bvecs, io->client->bios);
                bio->bi_sector = where->sector + (where->count - remaining);
                bio->bi_bdev = where->bdev;