block: Add bio_max_segs

[linux-2.6-microblaze.git] / block / blk-map.c

diff --git a/block/blk-map.c b/block/blk-map.c
index 21630dc..369e204 100644 (file)
--- a/block/blk-map.c
+++ b/block/blk-map.c
@@ -150,9 +150,7 @@ static int bio_copy_user_iov(struct request *rq, struct rq_map_data *map_data,
        bmd->is_our_pages = !map_data;
        bmd->is_null_mapped = (map_data && map_data->null_mapped);
 
-       nr_pages = DIV_ROUND_UP(offset + len, PAGE_SIZE);
-       if (nr_pages > BIO_MAX_PAGES)
-               nr_pages = BIO_MAX_PAGES;
+       nr_pages = bio_max_segs(DIV_ROUND_UP(offset + len, PAGE_SIZE));
 
        ret = -ENOMEM;
        bio = bio_kmalloc(gfp_mask, nr_pages);