Merge branch 'for-2.6.31' of git://git.kernel.dk/linux-2.6-block

* 'for-2.6.31' of git://git.kernel.dk/linux-2.6-block: (153 commits)
  block: add request clone interface (v2)
  floppy: fix hibernation
  ramdisk: remove long-deprecated "ramdisk=" boot-time parameter
  fs/bio.c: add missing __user annotation
  block: prevent possible io_context->refcount overflow
  Add serial number support for virtio_blk, V4a
  block: Add missing bounce_pfn stacking and fix comments
  Revert "block: Fix bounce limit setting in DM"
  cciss: decode unit attention in SCSI error handling code
  cciss: Remove no longer needed sendcmd reject processing code
  cciss: change SCSI error handling routines to work with interrupts enabled.
  cciss: separate error processing and command retrying code in sendcmd_withirq_core()
  cciss: factor out fix target status processing code from sendcmd functions
  cciss: simplify interface of sendcmd() and sendcmd_withirq()
  cciss: factor out core of sendcmd_withirq() for use by SCSI error handling code
  cciss: Use schedule_timeout_uninterruptible in SCSI error handling code
  block: needs to set the residual length of a bidi request
  Revert "block: implement blkdev_readpages"
  block: Fix bounce limit setting in DM
  Removed reference to non-existing file Documentation/PCI/PCI-DMA-mapping.txt
  ...

Manually fix conflicts with tracing updates in:
	block/blk-sysfs.c
	drivers/ide/ide-atapi.c
	drivers/ide/ide-cd.c
	drivers/ide/ide-floppy.c
	drivers/ide/ide-tape.c
	include/trace/events/block.h
	kernel/trace/blktrace.c

2 files changed, 9 insertions, 14 deletions

diff --git a/drivers/mmc/card/block.c b/drivers/mmc/card/block.c
index b25e9b6516ae..98ffc41eaf2c 100644
--- a/drivers/mmc/card/block.c
+++ b/drivers/mmc/card/block.c
@@ -243,7 +243,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                 brq.mrq.cmd = &brq.cmd;
                 brq.mrq.data = &brq.data;
 
-                brq.cmd.arg = req->sector;
+                brq.cmd.arg = blk_rq_pos(req);
                 if (!mmc_card_blockaddr(card))
                         brq.cmd.arg <<= 9;
                 brq.cmd.flags = MMC_RSP_SPI_R1 | MMC_RSP_R1 | MMC_CMD_ADTC;
@@ -251,7 +251,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                 brq.stop.opcode = MMC_STOP_TRANSMISSION;
                 brq.stop.arg = 0;
                 brq.stop.flags = MMC_RSP_SPI_R1B | MMC_RSP_R1B | MMC_CMD_AC;
-                brq.data.blocks = req->nr_sectors;
+                brq.data.blocks = blk_rq_sectors(req);
 
                 /*
                  * The block layer doesn't support all sector count
@@ -301,7 +301,7 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                  * Adjust the sg list so it is the same size as the
                  * request.
                  */
-                if (brq.data.blocks != req->nr_sectors) {
+                if (brq.data.blocks != blk_rq_sectors(req)) {
                         int i, data_size = brq.data.blocks << 9;
                         struct scatterlist *sg;
 
@@ -352,8 +352,8 @@ static int mmc_blk_issue_rq(struct mmc_queue *mq, struct request *req)
                         printk(KERN_ERR "%s: error %d transferring data,"
                                " sector %u, nr %u, card status %#x\n",
                                req->rq_disk->disk_name, brq.data.error,
-                               (unsigned)req->sector,
-                               (unsigned)req->nr_sectors, status);
+                               (unsigned)blk_rq_pos(req),
+                               (unsigned)blk_rq_sectors(req), status);
                 }
 
                 if (brq.stop.error) {
@@ -521,7 +521,7 @@ static struct mmc_blk_data *mmc_blk_alloc(struct mmc_card *card)
 
         sprintf(md->disk->disk_name, "mmcblk%d", devidx);
 
-        blk_queue_hardsect_size(md->queue.queue, 512);
+        blk_queue_logical_block_size(md->queue.queue, 512);
 
         if (!mmc_card_sd(card) && mmc_card_blockaddr(card)) {
                 /*
diff --git a/drivers/mmc/card/queue.c b/drivers/mmc/card/queue.c
index 7a72e75d5c67..49e582356c65 100644
--- a/drivers/mmc/card/queue.c
+++ b/drivers/mmc/card/queue.c
@@ -55,7 +55,7 @@ static int mmc_queue_thread(void *d)
                 spin_lock_irq(q->queue_lock);
                 set_current_state(TASK_INTERRUPTIBLE);
                 if (!blk_queue_plugged(q))
-                        req = elv_next_request(q);
+                        req = blk_fetch_request(q);
                 mq->req = req;
                 spin_unlock_irq(q->queue_lock);
 
@@ -88,16 +88,11 @@ static void mmc_request(struct request_queue *q)
 {
         struct mmc_queue *mq = q->queuedata;
         struct request *req;
-        int ret;
 
         if (!mq) {
                 printk(KERN_ERR "MMC: killing requests for dead queue\n");
-                while ((req = elv_next_request(q)) != NULL) {
-                        do {
-                                ret = __blk_end_request(req, -EIO,
-                                                        blk_rq_cur_bytes(req));
-                        } while (ret);
-                }
+                while ((req = blk_fetch_request(q)) != NULL)
+                        __blk_end_request_all(req, -EIO);
                 return;
         }