Merge branch 'for-linus' of git://brick.kernel.dk/data/git/linux-2.6-block

* 'for-linus' of git://brick.kernel.dk/data/git/linux-2.6-block:
  [PATCH] block: document io scheduler allow_merge_fn hook
  [PATCH] cfq-iosched: don't allow sync merges across queues
  [PATCH] Fixup blk_rq_unmap_user() API
  [PATCH] __blk_rq_unmap_user() fails to return error
  [PATCH] __blk_rq_map_user() doesn't need to grab the queue_lock
  [PATCH] Remove queue merging hooks
  [PATCH] ->nr_sectors and ->hard_nr_sectors are not used for BLOCK_PC requests
  [PATCH] cciss: fix XFER_READ/XFER_WRITE in do_cciss_request
  [PATCH] cciss: set default raid level when reading geometry fails

3 files changed, 4 insertions, 6 deletions

diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index d719a5d8f435..9d2ddb209343 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1907,6 +1907,7 @@ static void cciss_geometry_inquiry(int ctlr, int logvol,
                                "does not support reading geometry\n");
                         drv->heads = 255;
                         drv->sectors = 32;      // Sectors per track
+                        drv->raid_level = RAID_UNKNOWN;
                 } else {
                         drv->heads = inq_buff->data_byte[6];
                         drv->sectors = inq_buff->data_byte[7];
@@ -2491,7 +2492,7 @@ static void do_cciss_request(request_queue_t *q)
         c->Request.Type.Type = TYPE_CMD;        // It is a command.
         c->Request.Type.Attribute = ATTR_SIMPLE;
         c->Request.Type.Direction =
-            (rq_data_dir(creq) == READ) ? h->cciss_read : h->cciss_write;
+            (rq_data_dir(creq) == READ) ? XFER_READ : XFER_WRITE;
         c->Request.Timeout = 0; // Don't time out
         c->Request.CDB[0] =
             (rq_data_dir(creq) == READ) ? h->cciss_read : h->cciss_write;
diff --git a/drivers/cdrom/cdrom.c b/drivers/cdrom/cdrom.c
index e4a2f8f3a1d7..66d028d30439 100644
--- a/drivers/cdrom/cdrom.c
+++ b/drivers/cdrom/cdrom.c
@@ -2139,8 +2139,7 @@ static int cdrom_read_cdda_bpc(struct cdrom_device_info *cdi, __u8 __user *ubuf,
                         cdi->last_sense = s->sense_key;
                 }
 
-                rq->bio = bio;
-                if (blk_rq_unmap_user(rq))
+                if (blk_rq_unmap_user(bio))
                         ret = -EFAULT;
 
                 if (ret)
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 1748e27501cd..f02f48a882a9 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -265,13 +265,11 @@ static int scsi_merge_bio(struct request *rq, struct bio *bio)
 
         if (!rq->bio)
                 blk_rq_bio_prep(q, rq, bio);
-        else if (!q->back_merge_fn(q, rq, bio))
+        else if (!ll_back_merge_fn(q, rq, bio))
                 return -EINVAL;
         else {
                 rq->biotail->bi_next = bio;
                 rq->biotail = bio;
-                rq->hard_nr_sectors += bio_sectors(bio);
-                rq->nr_sectors = rq->hard_nr_sectors;
         }
 
         return 0;