Add bvec_merge_data to handle stacked devices and ->merge_bvec()

[pandora-kernel.git] / drivers / block / pktcdvd.c

diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index 3ba1df9..589850c 100644 (file)
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -2633,11 +2633,12 @@ end_io:
 
 
 
-static int pkt_merge_bvec(struct request_queue *q, struct bio *bio, struct bio_vec *bvec)
+static int pkt_merge_bvec(struct request_queue *q, struct bvec_merge_data *bmd,
+                         struct bio_vec *bvec)
 {
        struct pktcdvd_device *pd = q->queuedata;
-       sector_t zone = ZONE(bio->bi_sector, pd);
-       int used = ((bio->bi_sector - zone) << 9) + bio->bi_size;
+       sector_t zone = ZONE(bmd->bi_sector, pd);
+       int used = ((bmd->bi_sector - zone) << 9) + bmd->bi_size;
        int remaining = (pd->settings.size << 9) - used;
        int remaining2;
 
@@ -2645,7 +2646,7 @@ static int pkt_merge_bvec(struct request_queue *q, struct bio *bio, struct bio_v
         * A bio <= PAGE_SIZE must be allowed. If it crosses a packet
         * boundary, pkt_make_request() will split the bio.
         */
-       remaining2 = PAGE_SIZE - bio->bi_size;
+       remaining2 = PAGE_SIZE - bmd->bi_size;
        remaining = max(remaining, remaining2);
 
        BUG_ON(remaining < 0);