Merge branch 'master' of master.kernel.org:/pub/scm/linux/kernel/git/davem/sparc-2.6

[linux-2.6-omap-h63xx.git] / drivers / block / xen-blkfront.c

diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index 6746c29181f81493a00639a8117d3e5b7e7d82e4..2bdebcb3ff16dfdc73a9047e990caed589e0f70e 100644 (file)
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -150,9 +150,8 @@ static int blkif_queue_request(struct request *req)
        struct blkfront_info *info = req->rq_disk->private_data;
        unsigned long buffer_mfn;
        struct blkif_request *ring_req;
-       struct bio *bio;
+       struct req_iterator iter;
        struct bio_vec *bvec;
-       int idx;
        unsigned long id;
        unsigned int fsect, lsect;
        int ref;
@@ -186,34 +185,31 @@ static int blkif_queue_request(struct request *req)
                ring_req->operation = BLKIF_OP_WRITE_BARRIER;
 
        ring_req->nr_segments = 0;
-       rq_for_each_bio (bio, req) {
-               bio_for_each_segment (bvec, bio, idx) {
-                       BUG_ON(ring_req->nr_segments
-                              == BLKIF_MAX_SEGMENTS_PER_REQUEST);
-                       buffer_mfn = pfn_to_mfn(page_to_pfn(bvec->bv_page));
-                       fsect = bvec->bv_offset >> 9;
-                       lsect = fsect + (bvec->bv_len >> 9) - 1;
-                       /* install a grant reference. */
-                       ref = gnttab_claim_grant_reference(&gref_head);
-                       BUG_ON(ref == -ENOSPC);
-
-                       gnttab_grant_foreign_access_ref(
+       rq_for_each_segment(bvec, req, iter) {
+               BUG_ON(ring_req->nr_segments == BLKIF_MAX_SEGMENTS_PER_REQUEST);
+               buffer_mfn = pfn_to_mfn(page_to_pfn(bvec->bv_page));
+               fsect = bvec->bv_offset >> 9;
+               lsect = fsect + (bvec->bv_len >> 9) - 1;
+               /* install a grant reference. */
+               ref = gnttab_claim_grant_reference(&gref_head);
+               BUG_ON(ref == -ENOSPC);
+
+               gnttab_grant_foreign_access_ref(
                                ref,
                                info->xbdev->otherend_id,
                                buffer_mfn,
                                rq_data_dir(req) );
 
-                       info->shadow[id].frame[ring_req->nr_segments] =
+               info->shadow[id].frame[ring_req->nr_segments] =
                                mfn_to_pfn(buffer_mfn);
 
-                       ring_req->seg[ring_req->nr_segments] =
+               ring_req->seg[ring_req->nr_segments] =
                                (struct blkif_request_segment) {
                                        .gref       = ref,
                                        .first_sect = fsect,
                                        .last_sect  = lsect };
 
-                       ring_req->nr_segments++;
-               }
+               ring_req->nr_segments++;
        }
 
        info->ring.req_prod_pvt++;
@@ -241,7 +237,7 @@ static inline void flush_requests(struct blkfront_info *info)
  * do_blkif_request
  *  read a block; request is in a request queue
  */
-static void do_blkif_request(request_queue_t *rq)
+static void do_blkif_request(struct request_queue *rq)
 {
        struct blkfront_info *info = NULL;
        struct request *req;
@@ -287,7 +283,7 @@ wait:
 
 static int xlvbd_init_blk_queue(struct gendisk *gd, u16 sector_size)
 {
-       request_queue_t *rq;
+       struct request_queue *rq;
 
        rq = blk_init_queue(do_blkif_request, &blkif_io_lock);
        if (rq == NULL)