Merge branch 'block-2.6.24' of git://git.kernel.dk/data/git/linux-2.6-block

* 'block-2.6.24' of git://git.kernel.dk/data/git/linux-2.6-block: (37 commits)
  [BLOCK] Fix failing compile with BLK_DEV_IO_TRACE=n
  compat_ioctl: move floppy handlers to block/compat_ioctl.c
  compat_ioctl: move cdrom handlers to block/compat_ioctl.c
  compat_ioctl: move BLKPG handling to block/compat_ioctl.c
  compat_ioctl: move hdio calls to block/compat_ioctl.c
  compat_ioctl: handle blk_trace ioctls
  compat_ioctl: add compat_blkdev_driver_ioctl()
  compat_ioctl: move common block ioctls to compat_blkdev_ioctl
  Sysace: Don't enable IRQ until after interrupt handler is registered
  Sysace: sparse fixes
  Sysace: Minor coding convention fixup
  drivers/block/umem: use DRIVER_NAME where appropriate
  drivers/block/umem: trim trailing whitespace
  drivers/block/umem: minor cleanups
  drivers/block/umem: use dev_printk()
  drivers/block/umem: move private include away from include/linux
  Sysace: Labels in C code should not be indented.
  Sysace: Add of_platform_bus binding
  Sysace: Move IRQ handler registration to occur after FSM is initialized
  Sysace: minor rework and cleanup changes
  ...

41 files changed, 776 insertions, 656 deletions

diff --git a/drivers/block/aoe/aoeblk.c b/drivers/block/aoe/aoeblk.c
index 007faaf008e..b1d00ef6659 100644
--- a/drivers/block/aoe/aoeblk.c
+++ b/drivers/block/aoe/aoeblk.c
@@ -138,7 +138,7 @@ aoeblk_make_request(struct request_queue *q, struct bio *bio)
 	buf = mempool_alloc(d->bufpool, GFP_NOIO);
 	if (buf == NULL) {
 		printk(KERN_INFO "aoe: buf allocation failure\n");
-		bio_endio(bio, bio->bi_size, -ENOMEM);
+		bio_endio(bio, -ENOMEM);
 		return 0;
 	}
 	memset(buf, 0, sizeof(*buf));
@@ -159,7 +159,7 @@ aoeblk_make_request(struct request_queue *q, struct bio *bio)
 			d->aoemajor, d->aoeminor);
 		spin_unlock_irqrestore(&d->lock, flags);
 		mempool_free(buf, d->bufpool);
-		bio_endio(bio, bio->bi_size, -ENXIO);
+		bio_endio(bio, -ENXIO);
 		return 0;
 	}
 
diff --git a/drivers/block/aoe/aoecmd.c b/drivers/block/aoe/aoecmd.c
index 01fbdd38e3b..5abae34ad65 100644
--- a/drivers/block/aoe/aoecmd.c
+++ b/drivers/block/aoe/aoecmd.c
@@ -652,7 +652,7 @@ aoecmd_ata_rsp(struct sk_buff *skb)
 			disk_stat_add(disk, sectors[rw], n_sect);
 			disk_stat_add(disk, io_ticks, duration);
 			n = (buf->flags & BUFFL_FAIL) ? -EIO : 0;
-			bio_endio(buf->bio, buf->bio->bi_size, n);
+			bio_endio(buf->bio, n);
 			mempool_free(buf, d->bufpool);
 		}
 	}
diff --git a/drivers/block/aoe/aoedev.c b/drivers/block/aoe/aoedev.c
index 05a97197c91..51f50710e5f 100644
--- a/drivers/block/aoe/aoedev.c
+++ b/drivers/block/aoe/aoedev.c
@@ -119,7 +119,7 @@ aoedev_downdev(struct aoedev *d)
 		bio = buf->bio;
 		if (--buf->nframesout == 0) {
 			mempool_free(buf, d->bufpool);
-			bio_endio(bio, bio->bi_size, -EIO);
+			bio_endio(bio, -EIO);
 		}
 		skb_shinfo(f->skb)->nr_frags = f->skb->data_len = 0;
 	}
@@ -130,7 +130,7 @@ aoedev_downdev(struct aoedev *d)
 		list_del(d->bufq.next);
 		bio = buf->bio;
 		mempool_free(buf, d->bufpool);
-		bio_endio(bio, bio->bi_size, -EIO);
+		bio_endio(bio, -EIO);
 	}
 
 	if (d->gd)
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 084358a828e..28d145756f6 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -1194,7 +1194,7 @@ static inline void complete_buffers(struct bio *bio, int status)
 		int nr_sectors = bio_sectors(bio);
 
 		bio->bi_next = NULL;
-		bio_endio(bio, nr_sectors << 9, status ? 0 : -EIO);
+		bio_endio(bio, status ? 0 : -EIO);
 		bio = xbh;
 	}
 }
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index eb9799acf65..3853c9a38d6 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -987,7 +987,7 @@ static inline void complete_buffers(struct bio *bio, int ok)
 		xbh = bio->bi_next;
 		bio->bi_next = NULL;
 		
-		bio_endio(bio, nr_sectors << 9, ok ? 0 : -EIO);
+		bio_endio(bio, ok ? 0 : -EIO);
 
 		bio = xbh;
 	}
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 085b7794fb3..80483aac4cc 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -2437,22 +2437,19 @@ static void rw_interrupt(void)
 /* Compute maximal contiguous buffer size. */
 static int buffer_chain_size(void)
 {
-	struct bio *bio;
 	struct bio_vec *bv;
-	int size, i;
+	int size;
+	struct req_iterator iter;
 	char *base;
 
 	base = bio_data(current_req->bio);
 	size = 0;
 
-	rq_for_each_bio(bio, current_req) {
-		bio_for_each_segment(bv, bio, i) {
-			if (page_address(bv->bv_page) + bv->bv_offset !=
-			    base + size)
-				break;
+	rq_for_each_segment(bv, current_req, iter) {
+		if (page_address(bv->bv_page) + bv->bv_offset != base + size)
+			break;
 
-			size += bv->bv_len;
-		}
+		size += bv->bv_len;
 	}
 
 	return size >> 9;
@@ -2479,9 +2476,9 @@ static void copy_buffer(int ssize, int max_sector, int max_sector_2)
 {
 	int remaining;		/* number of transferred 512-byte sectors */
 	struct bio_vec *bv;
-	struct bio *bio;
 	char *buffer, *dma_buffer;
-	int size, i;
+	int size;
+	struct req_iterator iter;
 
 	max_sector = transfer_size(ssize,
 				   min(max_sector, max_sector_2),
@@ -2514,43 +2511,41 @@ static void copy_buffer(int ssize, int max_sector, int max_sector_2)
 
 	size = current_req->current_nr_sectors << 9;
 
-	rq_for_each_bio(bio, current_req) {
-		bio_for_each_segment(bv, bio, i) {
-			if (!remaining)
-				break;
+	rq_for_each_segment(bv, current_req, iter) {
+		if (!remaining)
+			break;
 
-			size = bv->bv_len;
-			SUPBOUND(size, remaining);
+		size = bv->bv_len;
+		SUPBOUND(size, remaining);
 
-			buffer = page_address(bv->bv_page) + bv->bv_offset;
+		buffer = page_address(bv->bv_page) + bv->bv_offset;
 #ifdef FLOPPY_SANITY_CHECK
-			if (dma_buffer + size >
-			    floppy_track_buffer + (max_buffer_sectors << 10) ||
-			    dma_buffer < floppy_track_buffer) {
-				DPRINT("buffer overrun in copy buffer %d\n",
-				       (int)((floppy_track_buffer -
-					      dma_buffer) >> 9));
-				printk("fsector_t=%d buffer_min=%d\n",
-				       fsector_t, buffer_min);
-				printk("current_count_sectors=%ld\n",
-				       current_count_sectors);
-				if (CT(COMMAND) == FD_READ)
-					printk("read\n");
-				if (CT(COMMAND) == FD_WRITE)
-					printk("write\n");
-				break;
-			}
-			if (((unsigned long)buffer) % 512)
-				DPRINT("%p buffer not aligned\n", buffer);
-#endif
+		if (dma_buffer + size >
+		    floppy_track_buffer + (max_buffer_sectors << 10) ||
+		    dma_buffer < floppy_track_buffer) {
+			DPRINT("buffer overrun in copy buffer %d\n",
+			       (int)((floppy_track_buffer -
+				      dma_buffer) >> 9));
+			printk("fsector_t=%d buffer_min=%d\n",
+			       fsector_t, buffer_min);
+			printk("current_count_sectors=%ld\n",
+			       current_count_sectors);
 			if (CT(COMMAND) == FD_READ)
-				memcpy(buffer, dma_buffer, size);
-			else
-				memcpy(dma_buffer, buffer, size);
-
-			remaining -= size;
-			dma_buffer += size;
+				printk("read\n");
+			if (CT(COMMAND) == FD_WRITE)
+				printk("write\n");
+			break;
 		}
+		if (((unsigned long)buffer) % 512)
+			DPRINT("%p buffer not aligned\n", buffer);
+#endif
+		if (CT(COMMAND) == FD_READ)
+			memcpy(buffer, dma_buffer, size);
+		else
+			memcpy(dma_buffer, buffer, size);
+
+		remaining -= size;
+		dma_buffer += size;
 	}
 #ifdef FLOPPY_SANITY_CHECK
 	if (remaining) {
@@ -3815,14 +3810,10 @@ static int check_floppy_change(struct gendisk *disk)
  * a disk in the drive, and whether that disk is writable.
  */
 
-static int floppy_rb0_complete(struct bio *bio, unsigned int bytes_done,
+static void floppy_rb0_complete(struct bio *bio,
 			       int err)
 {
-	if (bio->bi_size)
-		return 1;
-
 	complete((struct completion *)bio->bi_private);
-	return 0;
 }
 
 static int __floppy_read_block_0(struct block_device *bdev)
diff --git a/drivers/block/lguest_blk.c b/drivers/block/lguest_blk.c
index 160cf14431a..fa8e42341b8 100644
--- a/drivers/block/lguest_blk.c
+++ b/drivers/block/lguest_blk.c
@@ -142,25 +142,23 @@ static irqreturn_t lgb_irq(int irq, void *_bd)
  * return the total length. */
 static unsigned int req_to_dma(struct request *req, struct lguest_dma *dma)
 {
-	unsigned int i = 0, idx, len = 0;
-	struct bio *bio;
-
-	rq_for_each_bio(bio, req) {
-		struct bio_vec *bvec;
-		bio_for_each_segment(bvec, bio, idx) {
-			/* We told the block layer not to give us too many. */
-			BUG_ON(i == LGUEST_MAX_DMA_SECTIONS);
-			/* If we had a zero-length segment, it would look like
-			 * the end of the data referred to by the "struct
-			 * lguest_dma", so make sure that doesn't happen. */
-			BUG_ON(!bvec->bv_len);
-			/* Convert page & offset to a physical address */
-			dma->addr[i] = page_to_phys(bvec->bv_page)
-				+ bvec->bv_offset;
-			dma->len[i] = bvec->bv_len;
-			len += bvec->bv_len;
-			i++;
-		}
+	unsigned int i = 0, len = 0;
+	struct req_iterator iter;
+	struct bio_vec *bvec;
+
+	rq_for_each_segment(bvec, req, iter) {
+		/* We told the block layer not to give us too many. */
+		BUG_ON(i == LGUEST_MAX_DMA_SECTIONS);
+		/* If we had a zero-length segment, it would look like
+		 * the end of the data referred to by the "struct
+		 * lguest_dma", so make sure that doesn't happen. */
+		BUG_ON(!bvec->bv_len);
+		/* Convert page & offset to a physical address */
+		dma->addr[i] = page_to_phys(bvec->bv_page)
+			+ bvec->bv_offset;
+		dma->len[i] = bvec->bv_len;
+		len += bvec->bv_len;
+		i++;
 	}
 	/* If the array isn't full, we mark the end with a 0 length */
 	if (i < LGUEST_MAX_DMA_SECTIONS)
diff --git a/drivers/block/loop.c b/drivers/block/loop.c
index 9f015fce413..b9233a06934 100644
--- a/drivers/block/loop.c
+++ b/drivers/block/loop.c
@@ -551,7 +551,7 @@ static int loop_make_request(struct request_queue *q, struct bio *old_bio)
 
 out:
 	spin_unlock_irq(&lo->lo_lock);
-	bio_io_error(old_bio, old_bio->bi_size);
+	bio_io_error(old_bio);
 	return 0;
 }
 
@@ -580,7 +580,7 @@ static inline void loop_handle_bio(struct loop_device *lo, struct bio *bio)
 		bio_put(bio);
 	} else {
 		int ret = do_bio_filebacked(lo, bio);
-		bio_endio(bio, bio->bi_size, ret);
+		bio_endio(bio, ret);
 	}
 }
 
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index be92c658f06..be5ec3a9b1f 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -180,7 +180,7 @@ static inline int sock_send_bvec(struct socket *sock, struct bio_vec *bvec,
 
 static int nbd_send_req(struct nbd_device *lo, struct request *req)
 {
-	int result, i, flags;
+	int result, flags;
 	struct nbd_request request;
 	unsigned long size = req->nr_sectors << 9;
 	struct socket *sock = lo->sock;
@@ -205,27 +205,23 @@ static int nbd_send_req(struct nbd_device *lo, struct request *req)
 	}
 
 	if (nbd_cmd(req) == NBD_CMD_WRITE) {
-		struct bio *bio;
+		struct req_iterator iter;
+		struct bio_vec *bvec;
 		/*
 		 * we are really probing at internals to determine
 		 * whether to set MSG_MORE or not...
 		 */
-		rq_for_each_bio(bio, req) {
-			struct bio_vec *bvec;
-			bio_for_each_segment(bvec, bio, i) {
-				flags = 0;
-				if ((i < (bio->bi_vcnt - 1)) || bio->bi_next)
-					flags = MSG_MORE;
-				dprintk(DBG_TX, "%s: request %p: sending %d bytes data\n",
-						lo->disk->disk_name, req,
-						bvec->bv_len);
-				result = sock_send_bvec(sock, bvec, flags);
-				if (result <= 0) {
-					printk(KERN_ERR "%s: Send data failed (result %d)\n",
-							lo->disk->disk_name,
-							result);
-					goto error_out;
-				}
+		rq_for_each_segment(bvec, req, iter) {
+			flags = 0;
+			if (!rq_iter_last(req, iter))
+				flags = MSG_MORE;
+			dprintk(DBG_TX, "%s: request %p: sending %d bytes data\n",
+					lo->disk->disk_name, req, bvec->bv_len);
+			result = sock_send_bvec(sock, bvec, flags);
+			if (result <= 0) {
+				printk(KERN_ERR "%s: Send data failed (result %d)\n",
+						lo->disk->disk_name, result);
+				goto error_out;
 			}
 		}
 	}
@@ -321,22 +317,19 @@ static struct request *nbd_read_stat(struct nbd_device *lo)
 	dprintk(DBG_RX, "%s: request %p: got reply\n",
 			lo->disk->disk_name, req);
 	if (nbd_cmd(req) == NBD_CMD_READ) {
-		int i;
-		struct bio *bio;
-		rq_for_each_bio(bio, req) {
-			struct bio_vec *bvec;
-			bio_for_each_segment(bvec, bio, i) {
-				result = sock_recv_bvec(sock, bvec);
-				if (result <= 0) {
-					printk(KERN_ERR "%s: Receive data failed (result %d)\n",
-							lo->disk->disk_name,
-							result);
-					req->errors++;
-					return req;
-				}
-				dprintk(DBG_RX, "%s: request %p: got %d bytes data\n",
-					lo->disk->disk_name, req, bvec->bv_len);
+		struct req_iterator iter;
+		struct bio_vec *bvec;
+
+		rq_for_each_segment(bvec, req, iter) {
+			result = sock_recv_bvec(sock, bvec);
+			if (result <= 0) {
+				printk(KERN_ERR "%s: Receive data failed (result %d)\n",
+						lo->disk->disk_name, result);
+				req->errors++;
+				return req;
 			}
+			dprintk(DBG_RX, "%s: request %p: got %d bytes data\n",
+				lo->disk->disk_name, req, bvec->bv_len);
 		}
 	}
 	return req;
diff --git a/drivers/block/pktcdvd.c b/drivers/block/pktcdvd.c
index fadbfd880ba..540bf367698 100644
--- a/drivers/block/pktcdvd.c
+++ b/drivers/block/pktcdvd.c
@@ -1058,15 +1058,12 @@ static void pkt_make_local_copy(struct packet_data *pkt, struct bio_vec *bvec)
 	}
 }
 
-static int pkt_end_io_read(struct bio *bio, unsigned int bytes_done, int err)
+static void pkt_end_io_read(struct bio *bio, int err)
 {
 	struct packet_data *pkt = bio->bi_private;
 	struct pktcdvd_device *pd = pkt->pd;
 	BUG_ON(!pd);
 
-	if (bio->bi_size)
-		return 1;
-
 	VPRINTK("pkt_end_io_read: bio=%p sec0=%llx sec=%llx err=%d\n", bio,
 		(unsigned long long)pkt->sector, (unsigned long long)bio->bi_sector, err);
 
@@ -1077,19 +1074,14 @@ static int pkt_end_io_read(struct bio *bio, unsigned int bytes_done, int err)
 		wake_up(&pd->wqueue);
 	}
 	pkt_bio_finished(pd);
-
-	return 0;
 }
 
-static int pkt_end_io_packet_write(struct bio *bio, unsigned int bytes_done, int err)
+static void pkt_end_io_packet_write(struct bio *bio, int err)
 {
 	struct packet_data *pkt = bio->bi_private;
 	struct pktcdvd_device *pd = pkt->pd;
 	BUG_ON(!pd);
 
-	if (bio->bi_size)
-		return 1;
-
 	VPRINTK("pkt_end_io_packet_write: id=%d, err=%d\n", pkt->id, err);
 
 	pd->stats.pkt_ended++;
@@ -1098,7 +1090,6 @@ static int pkt_end_io_packet_write(struct bio *bio, unsigned int bytes_done, int
 	atomic_dec(&pkt->io_wait);
 	atomic_inc(&pkt->run_sm);
 	wake_up(&pd->wqueue);
-	return 0;
 }
 
 /*
@@ -1470,7 +1461,7 @@ static void pkt_finish_packet(struct packet_data *pkt, int uptodate)
 	while (bio) {
 		next = bio->bi_next;
 		bio->bi_next = NULL;
-		bio_endio(bio, bio->bi_size, uptodate ? 0 : -EIO);
+		bio_endio(bio, uptodate ? 0 : -EIO);
 		bio = next;
 	}
 	pkt->orig_bios = pkt->orig_bios_tail = NULL;
@@ -2462,19 +2453,15 @@ static int pkt_close(struct inode *inode, struct file *file)
 }
 
 
-static int pkt_end_io_read_cloned(struct bio *bio, unsigned int bytes_done, int err)
+static void pkt_end_io_read_cloned(struct bio *bio, int err)
 {
 	struct packet_stacked_data *psd = bio->bi_private;
 	struct pktcdvd_device *pd = psd->pd;
 
-	if (bio->bi_size)
-		return 1;
-
 	bio_put(bio);
-	bio_endio(psd->bio, psd->bio->bi_size, err);
+	bio_endio(psd->bio, err);
 	mempool_free(psd, psd_pool);
 	pkt_bio_finished(pd);
-	return 0;
 }
 
 static int pkt_make_request(struct request_queue *q, struct bio *bio)
@@ -2620,7 +2607,7 @@ static int pkt_make_request(struct request_queue *q, struct bio *bio)
 	}
 	return 0;
 end_io:
-	bio_io_error(bio, bio->bi_size);
+	bio_io_error(bio);
 	return 0;
 }
 
diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index aa8b890c80d..06d0552cf49 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -91,30 +91,29 @@ static void ps3disk_scatter_gather(struct ps3_storage_device *dev,
 				   struct request *req, int gather)
 {
 	unsigned int offset = 0;
-	struct bio *bio;
-	sector_t sector;
+	struct req_iterator iter;
 	struct bio_vec *bvec;
-	unsigned int i = 0, j;
+	unsigned int i = 0;
 	size_t size;
 	void *buf;
 
-	rq_for_each_bio(bio, req) {
-		sector = bio->bi_sector;
+	rq_for_each_segment(bvec, req, iter) {
+		unsigned long flags;
 		dev_dbg(&dev->sbd.core,
 			"%s:%u: bio %u: %u segs %u sectors from %lu\n",
-			__func__, __LINE__, i, bio_segments(bio),
-			bio_sectors(bio), sector);
-		bio_for_each_segment(bvec, bio, j) {
-			size = bvec->bv_len;
-			buf = __bio_kmap_atomic(bio, j, KM_IRQ0);
-			if (gather)
-				memcpy(dev->bounce_buf+offset, buf, size);
-			else
-				memcpy(buf, dev->bounce_buf+offset, size);
-			offset += size;
-			flush_kernel_dcache_page(bio_iovec_idx(bio, j)->bv_page);
-			__bio_kunmap_atomic(bio, KM_IRQ0);
-		}
+			__func__, __LINE__, i, bio_segments(iter.bio),
+			bio_sectors(iter.bio),
+			(unsigned long)iter.bio->bi_sector);
+
+		size = bvec->bv_len;
+		buf = bvec_kmap_irq(bvec, &flags);
+		if (gather)
+			memcpy(dev->bounce_buf+offset, buf, size);
+		else
+			memcpy(buf, dev->bounce_buf+offset, size);
+		offset += size;
+		flush_kernel_dcache_page(bvec->bv_page);
+		bvec_kunmap_irq(bvec, &flags);
 		i++;
 	}
 }
@@ -130,12 +129,13 @@ static int ps3disk_submit_request_sg(struct ps3_storage_device *dev,
 
 #ifdef DEBUG
 	unsigned int n = 0;
-	struct bio *bio;
+	struct bio_vec *bv;
+	struct req_iterator iter;
 
-	rq_for_each_bio(bio, req)
+	rq_for_each_segment(bv, req, iter)
 		n++;
 	dev_dbg(&dev->sbd.core,
-		"%s:%u: %s req has %u bios for %lu sectors %lu hard sectors\n",
+		"%s:%u: %s req has %u bvecs for %lu sectors %lu hard sectors\n",
 		__func__, __LINE__, op, n, req->nr_sectors,
 		req->hard_nr_sectors);
 #endif
diff --git a/drivers/block/rd.c b/drivers/block/rd.c
index 65150b548f3..701ea77f62e 100644
--- a/drivers/block/rd.c
+++ b/drivers/block/rd.c
@@ -287,10 +287,10 @@ static int rd_make_request(struct request_queue *q, struct bio *bio)
 	if (ret)
 		goto fail;
 
-	bio_endio(bio, bio->bi_size, 0);
+	bio_endio(bio, 0);
 	return 0;
 fail:
-	bio_io_error(bio, bio->bi_size);
+	bio_io_error(bio);
 	return 0;
 } 
 
diff --git a/drivers/block/umem.c b/drivers/block/umem.c
index 6b7c02d6360..99806f9ee4c 100644
--- a/drivers/block/umem.c
+++ b/drivers/block/umem.c
@@ -52,7 +52,7 @@
 #include <linux/fcntl.h>        /* O_ACCMODE */
 #include <linux/hdreg.h>  /* HDIO_GETGEO */
 
-#include <linux/umem.h>
+#include "umem.h"
 
 #include <asm/uaccess.h>
 #include <asm/io.h>
@@ -67,9 +67,10 @@
  * Version Information
  */
 
-#define DRIVER_VERSION "v2.3"
-#define DRIVER_AUTHOR "San Mehat, Johannes Erdfelt, NeilBrown"
-#define DRIVER_DESC "Micro Memory(tm) PCI memory board block driver"
+#define DRIVER_NAME	"umem"
+#define DRIVER_VERSION	"v2.3"
+#define DRIVER_AUTHOR	"San Mehat, Johannes Erdfelt, NeilBrown"
+#define DRIVER_DESC	"Micro Memory(tm) PCI memory board block driver"
 
 static int debug;
 /* #define HW_TRACE(x)     writeb(x,cards[0].csr_remap + MEMCTRLSTATUS_MAGIC) */
@@ -97,15 +98,9 @@ static int major_nr;
 #include <linux/blkpg.h>
 
 struct cardinfo {
-	int		card_number;
 	struct pci_dev	*dev;
 
-	int		irq;
-
-	unsigned long	csr_base;
 	unsigned char	__iomem *csr_remap;
-	unsigned long	csr_len;
-	unsigned int	win_size; /* PCI window size */
 	unsigned int	mm_size;  /* size in kbytes */
 
 	unsigned int	init_size; /* initial segment, in sectors,
@@ -113,6 +108,8 @@ struct cardinfo {
 				    * have been written
 				    */
 	struct bio	*bio, *currentbio, **biotail;
+	int		current_idx;
+	sector_t	current_sector;
 
 	struct request_queue *queue;
 
@@ -121,6 +118,7 @@ struct cardinfo {
 		struct mm_dma_desc	*desc;
 		int	 		cnt, headcnt;
 		struct bio		*bio, **biotail;
+		int			idx;
 	} mm_pages[2];
 #define DESC_PER_PAGE ((PAGE_SIZE*2)/sizeof(struct mm_dma_desc))
 
@@ -233,7 +231,7 @@ static void dump_regs(struct cardinfo *card)
 */
 static void dump_dmastat(struct cardinfo *card, unsigned int dmastat)
 {
-	printk(KERN_DEBUG "MM%d*: DMAstat - ", card->card_number);
+	dev_printk(KERN_DEBUG, &card->dev->dev, "DMAstat - ");
 	if (dmastat & DMASCR_ANY_ERR)
 		printk("ANY_ERR ");
 	if (dmastat & DMASCR_MBE_ERR)
@@ -295,7 +293,7 @@ static void mm_start_io(struct cardinfo *card)
 	desc->control_bits &= ~cpu_to_le32(DMASCR_CHAIN_EN);
 	desc->sem_control_bits = desc->control_bits;
 
-			       
+
 	if (debug & DEBUG_LED_ON_TRANSFER)
 		set_led(card, LED_REMOVE, LED_ON);
 
@@ -329,7 +327,7 @@ static int add_bio(struct cardinfo *card);
 
 static void activate(struct cardinfo *card)
 {
-	/* if No page is Active, and Ready is 
+	/* if No page is Active, and Ready is
 	 * not empty, then switch Ready page
 	 * to active and start IO.
 	 * Then add any bh's that are available to Ready
@@ -368,7 +366,7 @@ static void mm_unplug_device(struct request_queue *q)
 	spin_unlock_irqrestore(&card->lock, flags);
 }
 
-/* 
+/*
  * If there is room on Ready page, take
  * one bh off list and add it.
  * return 1 if there was room, else 0.
@@ -380,12 +378,16 @@ static int add_bio(struct cardinfo *card)
 	dma_addr_t dma_handle;
 	int offset;
 	struct bio *bio;
+	struct bio_vec *vec;
+	int idx;
 	int rw;
 	int len;
 
 	bio = card->currentbio;
 	if (!bio && card->bio) {
 		card->currentbio = card->bio;
+		card->current_idx = card->bio->bi_idx;
+		card->current_sector = card->bio->bi_sector;
 		card->bio = card->bio->bi_next;
 		if (card->bio == NULL)
 			card->biotail = &card->bio;
@@ -394,15 +396,17 @@ static int add_bio(struct cardinfo *card)
 	}
 	if (!bio)
 		return 0;
+	idx = card->current_idx;
 
 	rw = bio_rw(bio);
 	if (card->mm_pages[card->Ready].cnt >= DESC_PER_PAGE)
 		return 0;
 
-	len = bio_iovec(bio)->bv_len;
-	dma_handle = pci_map_page(card->dev, 
-				  bio_page(bio),
-				  bio_offset(bio),
+	vec = bio_iovec_idx(bio, idx);
+	len = vec->bv_len;
+	dma_handle = pci_map_page(card->dev,
+				  vec->bv_page,
+				  vec->bv_offset,
 				  len,
 				  (rw==READ) ?
 				  PCI_DMA_FROMDEVICE : PCI_DMA_TODEVICE);
@@ -410,6 +414,8 @@ static int add_bio(struct cardinfo *card)
 	p = &card->mm_pages[card->Ready];
 	desc = &p->desc[p->cnt];
 	p->cnt++;
+	if (p->bio == NULL)
+		p->idx = idx;
 	if ((p->biotail) != &bio->bi_next) {
 		*(p->biotail) = bio;
 		p->biotail = &(bio->bi_next);
@@ -419,7 +425,7 @@ static int add_bio(struct cardinfo *card)
 	desc->data_dma_handle = dma_handle;
 
 	desc->pci_addr = cpu_to_le64((u64)desc->data_dma_handle);
-	desc->local_addr= cpu_to_le64(bio->bi_sector << 9);
+	desc->local_addr = cpu_to_le64(card->current_sector << 9);
 	desc->transfer_size = cpu_to_le32(len);
 	offset = ( ((char*)&desc->sem_control_bits) - ((char*)p->desc));
 	desc->sem_addr = cpu_to_le64((u64)(p->page_dma+offset));
@@ -435,10 +441,10 @@ static int add_bio(struct cardinfo *card)
 		desc->control_bits |= cpu_to_le32(DMASCR_TRANSFER_READ);
 	desc->sem_control_bits = desc->control_bits;
 
-	bio->bi_sector += (len>>9);
-	bio->bi_size -= len;
-	bio->bi_idx++;
-	if (bio->bi_idx >= bio->bi_vcnt) 
+	card->current_sector += (len >> 9);
+	idx++;
+	card->current_idx = idx;
+	if (idx >= bio->bi_vcnt)
 		card->currentbio = NULL;
 
 	return 1;
@@ -461,7 +467,7 @@ static void process_page(unsigned long data)
 	if (card->Active < 0)
 		goto out_unlock;
 	page = &card->mm_pages[card->Active];
-	
+
 	while (page->headcnt < page->cnt) {
 		struct bio *bio = page-&g