24 files changed, 143 insertions, 139 deletions

diff --git a/drivers/block/DAC960.c b/drivers/block/DAC960.c
index f22ed6cc69f2..774ab05973a9 100644
--- a/drivers/block/DAC960.c
+++ b/drivers/block/DAC960.c
@@ -3338,8 +3338,8 @@ static int DAC960_process_queue(DAC960_Controller_T *Controller, struct request_
         }
         Command->Completion = Request->end_io_data;
         Command->LogicalDriveNumber = (long)Request->rq_disk->private_data;
-        Command->BlockNumber = Request->sector;
-        Command->BlockCount = Request->nr_sectors;
+        Command->BlockNumber = blk_rq_pos(Request);
+        Command->BlockCount = blk_rq_sectors(Request);
         Command->Request = Request;
         blkdev_dequeue_request(Request);
         Command->SegmentCount = blk_rq_map_sg(req_q,
@@ -3431,7 +3431,7 @@ static void DAC960_queue_partial_rw(DAC960_Command_T *Command)
    * successfully as possible.
    */
   Command->SegmentCount = 1;
-  Command->BlockNumber = Request->sector;
+  Command->BlockNumber = blk_rq_pos(Request);
   Command->BlockCount = 1;
   DAC960_QueueReadWriteCommand(Command);
   return;
diff --git a/drivers/block/amiflop.c b/drivers/block/amiflop.c
index 8ff95f2c0ede..e4a14b94828e 100644
--- a/drivers/block/amiflop.c
+++ b/drivers/block/amiflop.c
@@ -1351,13 +1351,13 @@ static void redo_fd_request(void)
         drive = floppy - unit;
 
         /* Here someone could investigate to be more efficient */
-        for (cnt = 0; cnt < CURRENT->current_nr_sectors; cnt++) { 
+        for (cnt = 0; cnt < blk_rq_cur_sectors(CURRENT); cnt++) {
 #ifdef DEBUG
                 printk("fd: sector %ld + %d requested for %s\n",
-                       CURRENT->sector,cnt,
+                       blk_rq_pos(CURRENT), cnt,
                        (rq_data_dir(CURRENT) == READ) ? "read" : "write");
 #endif
-                block = CURRENT->sector + cnt;
+                block = blk_rq_pos(CURRENT) + cnt;
                 if ((int)block > floppy->blocks) {
                         __blk_end_request_cur(CURRENT, -EIO);
                         goto repeat;
diff --git a/drivers/block/ataflop.c b/drivers/block/ataflop.c
index 25067287211f..234024cda5ec 100644
--- a/drivers/block/ataflop.c
+++ b/drivers/block/ataflop.c
@@ -725,7 +725,7 @@ static void do_fd_action( int drive )
             if (IS_BUFFERED( drive, ReqSide, ReqTrack )) {
                 if (ReqCmd == READ) {
                     copy_buffer( SECTOR_BUFFER(ReqSector), ReqData );
-                    if (++ReqCnt < CURRENT->current_nr_sectors) {
+                    if (++ReqCnt < blk_rq_cur_sectors(CURRENT)) {
                         /* read next sector */
                         setup_req_params( drive );
                         goto repeat;
@@ -1130,7 +1130,7 @@ static void fd_rwsec_done1(int status)
                 }
         }
   
-        if (++ReqCnt < CURRENT->current_nr_sectors) {
+        if (++ReqCnt < blk_rq_cur_sectors(CURRENT)) {
                 /* read next sector */
                 setup_req_params( SelectedDrive );
                 do_fd_action( SelectedDrive );
@@ -1394,7 +1394,7 @@ static void redo_fd_request(void)
 
         DPRINT(("redo_fd_request: CURRENT=%p dev=%s CURRENT->sector=%ld\n",
                 CURRENT, CURRENT ? CURRENT->rq_disk->disk_name : "",
-                CURRENT ? CURRENT->sector : 0 ));
+                CURRENT ? blk_rq_pos(CURRENT) : 0 ));
 
         IsFormatting = 0;
 
@@ -1440,7 +1440,7 @@ repeat:
                 UD.autoprobe = 0;
         }
         
-        if (CURRENT->sector + 1 > UDT->blocks) {
+        if (blk_rq_pos(CURRENT) + 1 > UDT->blocks) {
                 __blk_end_request_cur(CURRENT, -EIO);
                 goto repeat;
         }
@@ -1450,7 +1450,7 @@ repeat:
                 
         ReqCnt = 0;
         ReqCmd = rq_data_dir(CURRENT);
-        ReqBlock = CURRENT->sector;
+        ReqBlock = blk_rq_pos(CURRENT);
         ReqBuffer = CURRENT->buffer;
         setup_req_params( drive );
         do_fd_action( drive );
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index f22d4932433f..ab7b04c0db70 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -2835,10 +2835,10 @@ static void do_cciss_request(struct request_queue *q)
         c->Request.Timeout = 0; // Don't time out
         c->Request.CDB[0] =
             (rq_data_dir(creq) == READ) ? h->cciss_read : h->cciss_write;
-        start_blk = creq->sector;
+        start_blk = blk_rq_pos(creq);
 #ifdef CCISS_DEBUG
-        printk(KERN_DEBUG "ciss: sector =%d nr_sectors=%d\n", (int)creq->sector,
-               (int)creq->nr_sectors);
+        printk(KERN_DEBUG "ciss: sector =%d nr_sectors=%d\n",
+               (int)blk_rq_pos(creq), (int)blk_rq_sectors(creq));
 #endif                          /* CCISS_DEBUG */
 
         sg_init_table(tmp_sg, MAXSGENTRIES);
@@ -2864,8 +2864,8 @@ static void do_cciss_request(struct request_queue *q)
                 h->maxSG = seg;
 
 #ifdef CCISS_DEBUG
-        printk(KERN_DEBUG "cciss: Submitting %lu sectors in %d segments\n",
-               creq->nr_sectors, seg);
+        printk(KERN_DEBUG "cciss: Submitting %u sectors in %d segments\n",
+               blk_rq_sectors(creq), seg);
 #endif                          /* CCISS_DEBUG */
 
         c->Header.SGList = c->Header.SGTotal = seg;
@@ -2877,8 +2877,8 @@ static void do_cciss_request(struct request_queue *q)
                         c->Request.CDB[4] = (start_blk >> 8) & 0xff;
                         c->Request.CDB[5] = start_blk & 0xff;
                         c->Request.CDB[6] = 0;  // (sect >> 24) & 0xff; MSB
-                        c->Request.CDB[7] = (creq->nr_sectors >> 8) & 0xff;
-                        c->Request.CDB[8] = creq->nr_sectors & 0xff;
+                        c->Request.CDB[7] = (blk_rq_sectors(creq) >> 8) & 0xff;
+                        c->Request.CDB[8] = blk_rq_sectors(creq) & 0xff;
                         c->Request.CDB[9] = c->Request.CDB[11] = c->Request.CDB[12] = 0;
                 } else {
                         u32 upper32 = upper_32_bits(start_blk);
@@ -2893,10 +2893,10 @@ static void do_cciss_request(struct request_queue *q)
                         c->Request.CDB[7]= (start_blk >> 16) & 0xff;
                         c->Request.CDB[8]= (start_blk >>  8) & 0xff;
                         c->Request.CDB[9]= start_blk & 0xff;
-                        c->Request.CDB[10]= (creq->nr_sectors >>  24) & 0xff;
-                        c->Request.CDB[11]= (creq->nr_sectors >>  16) & 0xff;
-                        c->Request.CDB[12]= (creq->nr_sectors >>  8) & 0xff;
-                        c->Request.CDB[13]= creq->nr_sectors & 0xff;
+                        c->Request.CDB[10]= (blk_rq_sectors(creq) >> 24) & 0xff;
+                        c->Request.CDB[11]= (blk_rq_sectors(creq) >> 16) & 0xff;
+                        c->Request.CDB[12]= (blk_rq_sectors(creq) >>  8) & 0xff;
+                        c->Request.CDB[13]= blk_rq_sectors(creq) & 0xff;
                         c->Request.CDB[14] = c->Request.CDB[15] = 0;
                 }
         } else if (blk_pc_request(creq)) {
diff --git a/drivers/block/cpqarray.c b/drivers/block/cpqarray.c
index 488a8f4a60aa..a5caeff4718e 100644
--- a/drivers/block/cpqarray.c
+++ b/drivers/block/cpqarray.c
@@ -919,10 +919,11 @@ queue_next:
         c->hdr.size = sizeof(rblk_t) >> 2;
         c->size += sizeof(rblk_t);
 
-        c->req.hdr.blk = creq->sector;
+        c->req.hdr.blk = blk_rq_pos(creq);
         c->rq = creq;
 DBGPX(
-        printk("sector=%d, nr_sectors=%d\n", creq->sector, creq->nr_sectors);
+        printk("sector=%d, nr_sectors=%u\n",
+               blk_rq_pos(creq), blk_rq_sectors(creq));
 );
         sg_init_table(tmp_sg, SG_MAX);
         seg = blk_rq_map_sg(q, creq, tmp_sg);
@@ -940,9 +941,9 @@ DBGPX(
                                                  tmp_sg[i].offset,
                                                  tmp_sg[i].length, dir);
         }
-DBGPX(  printk("Submitting %d sectors in %d segments\n", creq->nr_sectors, seg); );
+DBGPX(  printk("Submitting %u sectors in %d segments\n", blk_rq_sectors(creq), seg); );
         c->req.hdr.sg_cnt = seg;
-        c->req.hdr.blk_cnt = creq->nr_sectors;
+        c->req.hdr.blk_cnt = blk_rq_sectors(creq);
         c->req.hdr.cmd = (rq_data_dir(creq) == READ) ? IDA_READ : IDA_WRITE;
         c->type = CMD_RWREQ;
 
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 1300df6f1642..452486283386 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -2303,7 +2303,7 @@ static void floppy_end_request(struct request *req, int error)
 
         /* current_count_sectors can be zero if transfer failed */
         if (error)
-                nr_sectors = req->current_nr_sectors;
+                nr_sectors = blk_rq_cur_sectors(req);
         if (__blk_end_request(req, error, nr_sectors << 9))
                 return;
 
@@ -2332,7 +2332,7 @@ static void request_done(int uptodate)
         if (uptodate) {
                 /* maintain values for invalidation on geometry
                  * change */
-                block = current_count_sectors + req->sector;
+                block = current_count_sectors + blk_rq_pos(req);
                 INFBOUND(DRS->maxblock, block);
                 if (block > _floppy->sect)
                         DRS->maxtrack = 1;
@@ -2346,10 +2346,10 @@ static void request_done(int uptodate)
                         /* record write error information */
                         DRWE->write_errors++;
                         if (DRWE->write_errors == 1) {
-                                DRWE->first_error_sector = req->sector;
+                                DRWE->first_error_sector = blk_rq_pos(req);
                                 DRWE->first_error_generation = DRS->generation;
                         }
-                        DRWE->last_error_sector = req->sector;
+                        DRWE->last_error_sector = blk_rq_pos(req);
                         DRWE->last_error_generation = DRS->generation;
                 }
                 spin_lock_irqsave(q->queue_lock, flags);
@@ -2503,24 +2503,24 @@ static void copy_buffer(int ssize, int max_sector, int max_sector_2)
 
         max_sector = transfer_size(ssize,
                                    min(max_sector, max_sector_2),
-                                   current_req->nr_sectors);
+                                   blk_rq_sectors(current_req));
 
         if (current_count_sectors <= 0 && CT(COMMAND) == FD_WRITE &&
-            buffer_max > fsector_t + current_req->nr_sectors)
+            buffer_max > fsector_t + blk_rq_sectors(current_req))
                 current_count_sectors = min_t(int, buffer_max - fsector_t,
-                                              current_req->nr_sectors);
+                                              blk_rq_sectors(current_req));
 
         remaining = current_count_sectors << 9;
 #ifdef FLOPPY_SANITY_CHECK
-        if ((remaining >> 9) > current_req->nr_sectors &&
+        if ((remaining >> 9) > blk_rq_sectors(current_req) &&
             CT(COMMAND) == FD_WRITE) {
                 DPRINT("in copy buffer\n");
                 printk("current_count_sectors=%ld\n", current_count_sectors);
                 printk("remaining=%d\n", remaining >> 9);
-                printk("current_req->nr_sectors=%ld\n",
-                       current_req->nr_sectors);
+                printk("current_req->nr_sectors=%u\n",
+                       blk_rq_sectors(current_req));
                 printk("current_req->current_nr_sectors=%u\n",
-                       current_req->current_nr_sectors);
+                       blk_rq_cur_sectors(current_req));
                 printk("max_sector=%d\n", max_sector);
                 printk("ssize=%d\n", ssize);
         }
@@ -2530,7 +2530,7 @@ static void copy_buffer(int ssize, int max_sector, int max_sector_2)
 
         dma_buffer = floppy_track_buffer + ((fsector_t - buffer_min) << 9);
 
-        size = current_req->current_nr_sectors << 9;
+        size = blk_rq_cur_sectors(current_req) << 9;
 
         rq_for_each_segment(bv, current_req, iter) {
                 if (!remaining)
@@ -2648,10 +2648,10 @@ static int make_raw_rw_request(void)
 
         max_sector = _floppy->sect * _floppy->head;
 
-        TRACK = (int)current_req->sector / max_sector;
-        fsector_t = (int)current_req->sector % max_sector;
+        TRACK = (int)blk_rq_pos(current_req) / max_sector;
+        fsector_t = (int)blk_rq_pos(current_req) % max_sector;
         if (_floppy->track && TRACK >= _floppy->track) {
-                if (current_req->current_nr_sectors & 1) {
+                if (blk_rq_cur_sectors(current_req) & 1) {
                         current_count_sectors = 1;
                         return 1;
                 } else
@@ -2669,7 +2669,7 @@ static int make_raw_rw_request(void)
                 if (fsector_t >= max_sector) {
                         current_count_sectors =
                             min_t(int, _floppy->sect - fsector_t,
-                                  current_req->nr_sectors);
+                                  blk_rq_sectors(current_req));
                         return 1;
                 }
                 SIZECODE = 2;
@@ -2720,7 +2720,7 @@ static int make_raw_rw_request(void)
 
         in_sector_offset = (fsector_t % _floppy->sect) % ssize;
         aligned_sector_t = fsector_t - in_sector_offset;
-        max_size = current_req->nr_sectors;
+        max_size = blk_rq_sectors(current_req);
         if ((raw_cmd->track == buffer_track) &&
             (current_drive == buffer_drive) &&
             (fsector_t >= buffer_min) && (fsector_t < buffer_max)) {
@@ -2729,10 +2729,10 @@ static int make_raw_rw_request(void)
                         copy_buffer(1, max_sector, buffer_max);
                         return 1;
                 }
-        } else if (in_sector_offset || current_req->nr_sectors < ssize) {
+        } else if (in_sector_offset || blk_rq_sectors(current_req) < ssize) {
                 if (CT(COMMAND) == FD_WRITE) {
-                        if (fsector_t + current_req->nr_sectors > ssize &&
-                            fsector_t + current_req->nr_sectors < ssize + ssize)
+                        if (fsector_t + blk_rq_sectors(current_req) > ssize &&
+                            fsector_t + blk_rq_sectors(current_req) < ssize + ssize)
                                 max_size = ssize + ssize;
                         else
                                 max_size = ssize;
@@ -2776,7 +2776,7 @@ static int make_raw_rw_request(void)
                     (indirect * 2 > direct * 3 &&
                      *errors < DP->max_errors.read_track && ((!probing
                        || (DP->read_track & (1 << DRS->probed_format)))))) {
-                        max_size = current_req->nr_sectors;
+                        max_size = blk_rq_sectors(current_req);
                 } else {
                         raw_cmd->kernel_data = current_req->buffer;
                         raw_cmd->length = current_count_sectors << 9;
@@ -2801,7 +2801,7 @@ static int make_raw_rw_request(void)
             fsector_t > buffer_max ||
             fsector_t < buffer_min ||
             ((CT(COMMAND) == FD_READ ||
-              (!in_sector_offset && current_req->nr_sectors >= ssize)) &&
+              (!in_sector_offset && blk_rq_sectors(current_req) >= ssize)) &&
              max_sector > 2 * max_buffer_sectors + buffer_min &&
              max_size + fsector_t > 2 * max_buffer_sectors + buffer_min)
             /* not enough space */
@@ -2879,8 +2879,8 @@ static int make_raw_rw_request(void)
                                 printk("write\n");
                         return 0;
                 }
-        } else if (raw_cmd->length > current_req->nr_sectors << 9 ||
-                   current_count_sectors > current_req->nr_sectors) {
+        } else if (raw_cmd->length > blk_rq_sectors(current_req) << 9 ||
+                   current_count_sectors > blk_rq_sectors(current_req)) {
                 DPRINT("buffer overrun in direct transfer\n");
                 return 0;
         } else if (raw_cmd->length < current_count_sectors << 9) {
@@ -2990,8 +2990,9 @@ static void do_fd_request(struct request_queue * q)
         if (usage_count == 0) {
                 printk("warning: usage count=0, current_req=%p exiting\n",
                        current_req);
-                printk("sect=%ld type=%x flags=%x\n", (long)current_req->sector,
-                       current_req->cmd_type, current_req->cmd_flags);
+                printk("sect=%ld type=%x flags=%x\n",
+                       (long)blk_rq_pos(current_req), current_req->cmd_type,
+                       current_req->cmd_flags);
                 return;
         }
         if (test_bit(0, &fdc_busy)) {
diff --git a/drivers/block/hd.c b/drivers/block/hd.c
index 75b9ca95c4eb..a3b39940ce02 100644
--- a/drivers/block/hd.c
+++ b/drivers/block/hd.c
@@ -228,7 +228,7 @@ static void dump_status(const char *msg, unsigned int stat)
                         printk(", CHS=%d/%d/%d", (inb(HD_HCYL)<<8) + inb(HD_LCYL),
                                 inb(HD_CURRENT) & 0xf, inb(HD_SECTOR));
                         if (CURRENT)
-                                printk(", sector=%ld", CURRENT->sector);
+                                printk(", sector=%ld", blk_rq_pos(CURRENT));
                 }
                 printk("\n");
         }
@@ -457,9 +457,9 @@ ok_to_read:
         req = CURRENT;
         insw(HD_DATA, req->buffer, 256);
 #ifdef DEBUG
-        printk("%s: read: sector %ld, remaining = %ld, buffer=%p\n",
-                req->rq_disk->disk_name, req->sector + 1, req->nr_sectors - 1,
-                req->buffer+512);
+        printk("%s: read: sector %ld, remaining = %u, buffer=%p\n",
+               req->rq_disk->disk_name, blk_rq_pos(req) + 1,
+               blk_rq_sectors(req) - 1, req->buffer+512);
 #endif
         if (__blk_end_request(req, 0, 512)) {
                 SET_HANDLER(&read_intr);
@@ -485,7 +485,7 @@ static void write_intr(void)
                         continue;
                 if (!OK_STATUS(i))
                         break;
-                if ((req->nr_sectors <= 1) || (i & DRQ_STAT))
+                if ((blk_rq_sectors(req) <= 1) || (i & DRQ_STAT))
                         goto ok_to_write;
         } while (--retries > 0);
         dump_status("write_intr", i);
@@ -589,8 +589,8 @@ repeat:
                 return;
         }
         disk = req->rq_disk->private_data;
-        block = req->sector;
-        nsect = req->nr_sectors;
+        block = blk_rq_pos(req);
+        nsect = blk_rq_sectors(req);
         if (block >= get_capacity(req->rq_disk) ||
             ((block+nsect) > get_capacity(req->rq_disk))) {
                 printk("%s: bad access: block=%d, count=%d\n",
diff --git a/drivers/block/mg_disk.c b/drivers/block/mg_disk.c
index 71e56cc28cac..826c3492b9fe 100644
--- a/drivers/block/mg_disk.c
+++ b/drivers/block/mg_disk.c
@@ -220,7 +220,8 @@ static void mg_dump_status(const char *msg, unsigned int stat,
                         if (host->breq) {
                                 req = elv_next_request(host->breq);
                                 if (req)
-                                        printk(", sector=%u", (u32)req->sector);
+                                        printk(", sector=%u",
+                                               (unsigned int)blk_rq_pos(req));
                         }
 
                 }
@@ -493,12 +494,12 @@ static void mg_read(struct request *req)
         u32 j;
         struct mg_host *host = req->rq_disk->private_data;
 
-        if (mg_out(host, req->sector, req->nr_sectors, MG_CMD_RD, NULL) !=
-                        MG_ERR_NONE)
+        if (mg_out(host, blk_rq_pos(req), blk_rq_sectors(req),
+                   MG_CMD_RD, NULL) != MG_ERR_NONE)
                 mg_bad_rw_intr(host);
 
         MG_DBG("requested %d sects (from %ld), buffer=0x%p\n",
-               req->nr_sectors, req->sector, req->buffer);
+               blk_rq_sectors(req), blk_rq_pos(req), req->buffer);
 
         do {
                 u16 *buff = (u16 *)req->buffer;
@@ -522,14 +523,14 @@ static void mg_write(struct request *req)
         u32 j;
         struct mg_host *host = req->rq_disk->private_data;
 
-        if (mg_out(host, req->sector, req->nr_sectors, MG_CMD_WR, NULL) !=
-                        MG_ERR_NONE) {
+        if (mg_out(host, blk_rq_pos(req), blk_rq_sectors(req),
+                   MG_CMD_WR, NULL) != MG_ERR_NONE) {
                 mg_bad_rw_intr(host);
                 return;
         }
 
         MG_DBG("requested %d sects (from %ld), buffer=0x%p\n",
-               req->nr_sectors, req->sector, req->buffer);
+               blk_rq_sectors(req), blk_rq_pos(req), req->buffer);
 
         do {
                 u16 *buff = (u16 *)req->buffer;
@@ -579,7 +580,7 @@ ok_to_read:
                               (i << 1));
 
         MG_DBG("sector %ld, remaining=%ld, buffer=0x%p\n",
-                        req->sector, req->nr_sectors - 1, req->buffer);
+               blk_rq_pos(req), blk_rq_sectors(req) - 1, req->buffer);
 
         /* send read confirm */
         outb(MG_CMD_RD_CONF, (unsigned long)host->dev_base + MG_REG_COMMAND);
@@ -609,7 +610,7 @@ static void mg_write_intr(struct mg_host *host)
                         break;
                 if (!MG_READY_OK(i))
                         break;
-                if ((req->nr_sectors <= 1) || (i & ATA_DRQ))
+                if ((blk_rq_sectors(req) <= 1) || (i & ATA_DRQ))
                         goto ok_to_write;
         } while (0);
         mg_dump_status("mg_write_intr", i, host);
@@ -627,7 +628,7 @@ ok_to_write:
                         buff++;
                 }
                 MG_DBG("sector %ld, remaining=%ld, buffer=0x%p\n",
-                                req->sector, req->nr_sectors, req->buffer);
+                       blk_rq_pos(req), blk_rq_sectors(req), req->buffer);
                 host->mg_do_intr = mg_write_intr;
                 mod_timer(&host->timer, jiffies + 3 * HZ);
         }
@@ -749,9 +750,9 @@ static void mg_request(struct request_queue *q)
 
                 del_timer(&host->timer);
 
-                sect_num = req->sector;
+                sect_num = blk_rq_pos(req);
                 /* deal whole segments */
-                sect_cnt = req->nr_sectors;
+                sect_cnt = blk_rq_sectors(req);
 
                 /* sanity check */
                 if (sect_num >= get_capacity(req->rq_disk) ||
diff --git a/drivers/block/nbd.c b/drivers/block/nbd.c
index a9ab8be9d92f..977a57377930 100644
--- a/drivers/block/nbd.c
+++ b/drivers/block/nbd.c
@@ -110,7 +110,7 @@ static void nbd_end_request(struct request *req)
                         req, error ? "failed" : "done");
 
         spin_lock_irqsave(q->queue_lock, flags);
-        __blk_end_request(req, error, req->nr_sectors << 9);
+        __blk_end_request(req, error, blk_rq_sectors(req) << 9);
         spin_unlock_irqrestore(q->queue_lock, flags);
 }
 
@@ -231,19 +231,19 @@ static int nbd_send_req(struct nbd_device *lo, struct request *req)
 {
         int result, flags;
         struct nbd_request request;
-        unsigned long size = req->nr_sectors << 9;
+        unsigned long size = blk_rq_sectors(req) << 9;
 
         request.magic = htonl(NBD_REQUEST_MAGIC);
         request.type = htonl(nbd_cmd(req));
-        request.from = cpu_to_be64((u64) req->sector << 9);
+        request.from = cpu_to_be64((u64)blk_rq_pos(req) << 9);
         request.len = htonl(size);
         memcpy(request.handle, &req, sizeof(req));
 
-        dprintk(DBG_TX, "%s: request %p: sending control (%s@%llu,%luB)\n",
+        dprintk(DBG_TX, "%s: request %p: sending control (%s@%llu,%uB)\n",
                         lo->disk->disk_name, req,
                         nbdcmd_to_ascii(nbd_cmd(req)),
-                        (unsigned long long)req->sector << 9,
-                        req->nr_sectors << 9);
+                        (unsigned long long)blk_rq_pos(req) << 9,
+                        blk_rq_sectors(req) << 9);
         result = sock_xmit(lo, 1, &request, sizeof(request),
                         (nbd_cmd(req) == NBD_CMD_WRITE) ? MSG_MORE : 0);
         if (result <= 0) {
diff --git a/drivers/block/paride/pcd.c b/drivers/block/paride/pcd.c
index 9fd57c2aa463..2d5dc0af55e4 100644
--- a/drivers/block/paride/pcd.c
+++ b/drivers/block/paride/pcd.c
@@ -728,8 +728,8 @@ static void do_pcd_request(struct request_queue * q)
                         if (cd != pcd_current)
                                 pcd_bufblk = -1;
                         pcd_current = cd;
-                        pcd_sector = pcd_req->sector;
-                        pcd_count = pcd_req->current_nr_sectors;
+                        pcd_sector = blk_rq_pos(pcd_req);
+                        pcd_count = blk_rq_cur_sectors(pcd_req);
                         pcd_buf = pcd_req->buffer;
                         pcd_busy = 1;
                         ps_set_intr(do_pcd_read, NULL, 0, nice);
diff --git a/drivers/block/paride/pd.c b/drivers/block/paride/pd.c
index 0732df4e901a..9ec5d4ac0b64 100644
--- a/drivers/block/paride/pd.c
+++ b/drivers/block/paride/pd.c
@@ -444,11 +444,11 @@ static enum action do_pd_io_start(void)
 
         pd_cmd = rq_data_dir(pd_req);
         if (pd_cmd == READ || pd_cmd == WRITE) {
-                pd_block = pd_req->sector;
-                pd_count = pd_req->current_nr_sectors;
+                pd_block = blk_rq_pos(pd_req);
+                pd_count = blk_rq_cur_sectors(pd_req);
                 if (pd_block + pd_count > get_capacity(pd_req->rq_disk))
                         return Fail;
-                pd_run = pd_req->nr_sectors;
+                pd_run = blk_rq_sectors(pd_req);
                 pd_buf = pd_req->buffer;
                 pd_retries = 0;
                 if (pd_cmd == READ)
@@ -479,7 +479,7 @@ static int pd_next_buf(void)
                 return 0;
         spin_lock_irqsave(&pd_lock, saved_flags);
         __blk_end_request_cur(pd_req, 0);
-        pd_count = pd_req->current_nr_sectors;
+        pd_count = blk_rq_cur_sectors(pd_req);
         pd_buf = pd_req->buffer;
         spin_unlock_irqrestore(&pd_lock, saved_flags);
         return 0;
diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index 3871e3586d6d..e88c889aa7f2 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -768,9 +768,9 @@ repeat:
                 return;
 
         pf_current = pf_req->rq_disk->private_data;
-        pf_block = pf_req->sector;
-        pf_run = pf_req->nr_sectors;
-        pf_count = pf_req->current_nr_sectors;
+        pf_block = blk_rq_pos(pf_req);
+        pf_run = blk_rq_sectors(pf_req);
+        pf_count = blk_rq_cur_sectors(pf_req);
 
         if (pf_block + pf_count > get_capacity(pf_req->rq_disk)) {
                 pf_end_request(-EIO);
@@ -810,7 +810,7 @@ static int pf_next_buf(void)
                 spin_unlock_irqrestore(&pf_spin_lock, saved_flags);
                 if (!pf_req)
                         return 1;
-                pf_count = pf_req->current_nr_sectors;
+                pf_count = blk_rq_cur_sectors(pf_req);
                 pf_buf = pf_req->buffer;
         }
         return 0;
diff --git a/drivers/block/ps3disk.c b/drivers/block/ps3disk.c
index c2388673684e..8d583081b50a 100644
--- a/drivers/block/ps3disk.c
+++ b/drivers/block/ps3disk.c
@@ -134,13 +134,12 @@ static int ps3disk_submit_request_sg(struct ps3_storage_device *dev,
         rq_for_each_segment(bv, req, iter)
                 n++;
         dev_dbg(&dev->sbd.core,
-                "%s:%u: %s req has %u bvecs for %lu sectors %lu hard sectors\n",
-                __func__, __LINE__, op, n, req->nr_sectors,
-                blk_rq_sectors(req));
+                "%s:%u: %s req has %u bvecs for %u sectors\n",
+                __func__, __LINE__, op, n, blk_rq_sectors(req));
 #endif
 
-        start_sector = req->sector * priv->blocking_factor;
-        sectors = req->nr_sectors * priv->blocking_factor;
+        start_sector = blk_rq_pos(req) * priv->blocking_factor;
+        sectors = blk_rq_sectors(req) * priv->blocking_factor;
         dev_dbg(&dev->sbd.core, "%s:%u: %s %llu sectors starting at %llu\n",
                 __func__, __LINE__, op, sectors, start_sector);
 
diff --git a/drivers/block/sunvdc.c b/drivers/block/sunvdc.c
index f59887c5ffbd..9f351bfa15ea 100644
--- a/drivers/block/sunvdc.c
+++ b/drivers/block/sunvdc.c
@@ -416,7 +416,7 @@ static int __send_request(struct request *req)
                 desc->slice = 0;
         }
         desc->status = ~0;
-        desc->offset = (req->sector << 9) / port->vdisk_block_size;
+        desc->offset = (blk_rq_pos(req) << 9) / port->vdisk_block_size;
         desc->size = len;
         desc->ncookies = err;
 
diff --git a/drivers/block/swim.c b/drivers/block/swim.c
index 97ef4266c4c7..fc6a1c322933 100644
--- a/drivers/block/swim.c
+++ b/drivers/block/swim.c
@@ -531,7 +531,7 @@ static void redo_fd_request(struct request_queue *q)
         while ((req = elv_next_request(q))) {
 
                 fs = req->rq_disk->private_data;
-                if (req->sector < 0 || req->sector >= fs->total_secs) {
+                if (blk_rq_pos(req) >= fs->total_secs) {
                         __blk_end_request_cur(req, -EIO);
                         continue;
                 }
@@ -551,8 +551,8 @@ static void redo_fd_request(struct request_queue *q)
                         __blk_end_request_cur(req, -EIO);
                         break;
                 case READ:
-                        if (floppy_read_sectors(fs, req->sector,
-                                                req->current_nr_sectors,
+                        if (floppy_read_sectors(fs, blk_rq_pos(req),
+                                                blk_rq_cur_sectors(req),
                                                 req->buffer)) {
                                 __blk_end_request_cur(req, -EIO);
                                 continue;
diff --git a/drivers/block/swim3.c b/drivers/block/swim3.c
index 424855945b9b..c1b9a4dc11ba 100644
--- a/drivers/block/swim3.c
+++ b/drivers/block/swim3.c
@@ -312,14 +312,14 @@ static void start_request(struct floppy_state *fs)
         }
         while (fs->state == idle && (req = elv_next_request(swim3_queue))) {
 #if 0
-                printk("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%ld buf=%p\n",
+                printk("do_fd_req: dev=%s cmd=%d sec=%ld nr_sec=%u buf=%p\n",
                        req->rq_disk->disk_name, req->cmd,
-                       (long)req->sector, req->nr_sectors, req->buffer);
-                printk("           errors=%d current_nr_sectors=%ld\n",
-                       req->errors, req->current_nr_sectors);
+                       (long)blk_rq_pos(req), blk_rq_sectors(req), req->buffer);
+                printk("           errors=%d current_nr_sectors=%u\n",
+                       req->errors, blk_rq_cur_sectors(req));
 #endif
 
-                if (req->sector >= fs->total_secs) {
+                if (blk_rq_pos(req) >= fs->total_secs) {
                         __blk_end_request_cur(req, -EIO);
                         continue;
                 }
@@ -337,13 +337,14 @@ static void start_request(struct floppy_state *fs)
                         }
                 }
 
-                /* Do not remove the cast. req->sector is now a sector_t and
-                 * can be 64 bits, but it will never go past 32 bits for this
-                 * driver anyway, so we can safely cast it down and not have
-                 * to do a 64/32 division
+                /* Do not remove the cast. blk_rq_pos(req) is now a
+                 * sector_t and can be 64 bits, but it will never go
+                 * past 32 bits for this driver anyway, so we can
+                 * safely cast it down and not have to do a 64/32
+                 * division
                  */
-                fs->req_cyl = ((long)req->sector) / fs->secpercyl;
-                x = ((long)req->sector) % fs->secpercyl;
+                fs->req_cyl = ((long)blk_rq_pos(req)) / fs->secpercyl;
+                x = ((long)blk_rq_pos(req)) % fs->secpercyl;
                 fs->head = x / fs->secpertrack;
                 fs->req_sector = x % fs->secpertrack + 1;
                 fd_req = req;
@@ -420,7 +421,7 @@ static inline void setup_transfer(struct floppy_state *fs)
         struct dbdma_cmd *cp = fs->dma_cmd;
         struct dbdma_regs __iomem *dr = fs->dma;
 
-        if (fd_req->current_nr_sectors <= 0) {
+        if (blk_rq_cur_sectors(fd_req) <= 0) {
                 printk(KERN_ERR "swim3: transfer 0 sectors?\n");
                 return;
         }
@@ -428,8 +429,8 @@ static inline void setup_transfer(struct floppy_state *fs)
                 n = 1;
         else {
                 n = fs->secpertrack - fs->req_sector + 1;
-                if (n > fd_req->current_nr_sectors)
-                        n = fd_req->current_nr_sectors;
+                if (n > blk_rq_cur_sectors(fd_req))
+                        n = blk_rq_cur_sectors(fd_req);
         }
         fs->scount = n;
         swim3_select(fs, fs->head? READ_DATA_1: READ_DATA_0);
@@ -600,7 +601,8 @@ static void xfer_timeout(unsigned long data)
         out_8(&sw->control_bic, WRITE_SECTORS | DO_ACTION);
         out_8(&sw->select, RELAX);
         printk(KERN_ERR "swim3: timeout %sing sector %ld\n",
-               (rq_data_dir(fd_req)==WRITE? "writ": "read"), (long)fd_req->sector);
+               (rq_data_dir(fd_req)==WRITE? "writ": "read"),
+               (long)blk_rq_pos(fd_req));
         __blk_end_request_cur(fd_req, -EIO);
         fs->state = idle;
         start_request(fs);
@@ -714,7 +716,7 @@ static irqreturn_t swim3_interrupt(int irq, void *dev_id)
                         } else {
                                 printk("swim3: error %sing block %ld (err=%x)\n",
                                        rq_data_dir(fd_req) == WRITE? "writ": "read",
-                                       (long)fd_req->sector, err);
+                                       (long)blk_rq_pos(fd_req), err);
                                 __blk_end_request_cur(fd_req, -EIO);
                                 fs->state = idle;
                         }
diff --git a/drivers/block/sx8.c b/drivers/block/sx8.c
index 60e85bb6f790..087c94c8b2da 100644
--- a/drivers/block/sx8.c
+++ b/drivers/block/sx8.c
@@ -903,10 +903,10 @@ queue_one_request:
         msg->sg_count   = n_elem;
         msg->sg_type    = SGT_32BIT;
         msg->handle     = cpu_to_le32(TAG_ENCODE(crq->tag));
-        msg->lba        = cpu_to_le32(rq->sector & 0xffffffff);
-        tmp             = (rq->sector >> 16) >> 16;
+        msg->lba        = cpu_to_le32(blk_rq_pos(rq) & 0xffffffff);
+        tmp             = (blk_rq_pos(rq) >> 16) >> 16;
         msg->lba_high   = cpu_to_le16( (u16) tmp );
-        msg->lba_count  = cpu_to_le16(rq->nr_sectors);
+        msg->lba_count  = cpu_to_le16(blk_rq_sectors(rq));
 
         msg_size = sizeof(struct carm_msg_rw) - sizeof(msg->sg);
         for (i = 0; i < n_elem; i++) {
diff --git a/drivers/block/ub.c b/drivers/block/ub.c
index 8c2cc71327e3..dc3b899ad2b3 100644
--- a/drivers/block/ub.c
+++ b/drivers/block/ub.c
@@ -726,8 +726,8 @@ static void ub_cmd_build_block(struct ub_dev *sc, struct ub_lun *lun,
          * The call to blk_queue_hardsect_size() guarantees that request
          * is aligned, but it is given in terms of 512 byte units, always.
          */
-        block = rq->sector >> lun->capacity.bshift;
-        nblks = rq->nr_sectors >> lun->capacity.bshift;
+        block = blk_rq_pos(rq) >> lun->capacity.bshift;
+        nblks = blk_rq_sectors(rq) >> lun->capacity.bshift;
 
         cmd->cdb[0] = (cmd->dir == UB_DIR_READ)? READ_10: WRITE_10;
         /* 10-byte uses 4 bytes of LBA: 2147483648KB, 2097152MB, 2048GB */
@@ -739,7 +739,7 @@ static void ub_cmd_build_block(struct ub_dev *sc, struct ub_lun *lun,
         cmd->cdb[8] = nblks;
         cmd->cdb_len = 10;
 
-        cmd->len = rq->nr_sectors * 512;
+        cmd->len = blk_rq_sectors(rq) * 512;
 }
 
 static void ub_cmd_build_packet(struct ub_dev *sc, struct ub_lun *lun,
diff --git a/drivers/block/viodasd.c b/drivers/block/viodasd.c
index e821eed7132f..2086cb12d3ec 100644
--- a/drivers/block/viodasd.c
+++ b/drivers/block/viodasd.c
@@ -252,7 +252,7 @@ static int send_request(struct request *req)
         struct viodasd_device *d;
         unsigned long flags;
 
-        start = (u64)req->sector << 9;
+        start = (u64)blk_rq_pos(req) << 9;
 
         if (rq_data_dir(req) == READ) {
                 direction = DMA_FROM_DEVICE;
diff --git a/drivers/block/virtio_blk.c b/drivers/block/virtio_blk.c
index 50745e64414e..1980ab456356 100644
--- a/drivers/block/virtio_blk.c
+++ b/drivers/block/virtio_blk.c
@@ -85,7 +85,7 @@ static bool do_req(struct request_queue *q, struct virtio_blk *vblk,
         vbr->req = req;
         if (blk_fs_request(vbr->req)) {
                 vbr->out_hdr.type = 0;
-                vbr->out_hdr.sector = vbr->req->sector;
+                vbr->out_hdr.sector = blk_rq_pos(vbr->req);
                 vbr->out_hdr.ioprio = req_get_ioprio(vbr->req);
         } else if (blk_pc_request(vbr->req)) {
                 vbr->out_hdr.type = VIRTIO_BLK_T_SCSI_CMD;
diff --git a/drivers/block/xd.c b/drivers/block/xd.c
index 14be4c1ed1aa..4ef88018bcde 100644
--- a/drivers/block/xd.c
+++ b/drivers/block/xd.c
@@ -306,8 +306,8 @@ static void do_xd_request (struct request_queue * q)
                 return;
 
         while ((req = elv_next_request(q)) != NULL) {
-                unsigned block = req->sector;
-                unsigned count = req->nr_sectors;
+                unsigned block = blk_rq_pos(req);
+                unsigned count = blk_rq_sectors(req);
                 XD_INFO *disk = req->rq_disk->private_data;
                 int res = 0;
                 int retry;
diff --git a/drivers/block/xen-blkfront.c b/drivers/block/xen-blkfront.c
index b4564479f641..91fc56597e9b 100644
--- a/drivers/block/xen-blkfront.c
+++ b/drivers/block/xen-blkfront.c
@@ -231,7 +231,7 @@ static int blkif_queue_request(struct request *req)
         info->shadow[id].request = (unsigned long)req;
 
         ring_req->id = id;
-        ring_req->sector_number = (blkif_sector_t)req->sector;
+        ring_req->sector_number = (blkif_sector_t)blk_rq_pos(req);
         ring_req->handle = info->handle;
 
         ring_req->operation = rq_data_dir(req) ?
@@ -310,11 +310,10 @@ static void do_blkif_request(struct request_queue *rq)
                         goto wait;
 
                 pr_debug("do_blk_req %p: cmd %p, sec %lx, "
-                         "(%u/%li) buffer:%p [%s]\n",
-                         req, req->cmd, (unsigned long)req->sector,
-                         req->current_nr_sectors,
-                         req->nr_sectors, req->buffer,
-                         rq_data_dir(req) ? "write" : "read");
+                         "(%u/%u) buffer:%p [%s]\n",
+                         req, req->cmd, (unsigned long)blk_rq_pos(req),
+                         blk_rq_cur_sectors(req), blk_rq_sectors(req),
+                         req->buffer, rq_data_dir(req) ? "write" : "read");
 
 
                 blkdev_dequeue_request(req);
diff --git a/drivers/block/xsysace.c b/drivers/block/xsysace.c
index 5722931d14c5..97c99b43f881 100644
--- a/drivers/block/xsysace.c
+++ b/drivers/block/xsysace.c
@@ -646,13 +646,14 @@ static void ace_fsm_dostate(struct ace_device *ace)
                 /* Okay, it's a data request, set it up for transfer */
                 dev_dbg(ace->dev,
                         "request: sec=%llx hcnt=%x, ccnt=%x, dir=%i\n",
-                        (unsigned long long) req->sector, blk_rq_sectors(req),
-                        req->current_nr_sectors, rq_data_dir(req));
+                        (unsigned long long)blk_rq_pos(req),
+                        blk_rq_sectors(req), blk_rq_cur_sectors(req),
+                        rq_data_dir(req));
 
                 ace->req = req;
                 ace->data_ptr = req->buffer;
-                ace->data_count = req->current_nr_sectors * ACE_BUF_PER_SECTOR;
-                ace_out32(ace, ACE_MPULBA, req->sector & 0x0FFFFFFF);
+                ace->data_count = blk_rq_cur_sectors(req) * ACE_BUF_PER_SECTOR;
+                ace_out32(ace, ACE_MPULBA, blk_rq_pos(req) & 0x0FFFFFFF);
 
                 count = blk_rq_sectors(req);
                 if (rq_data_dir(req)) {
@@ -688,7 +689,7 @@ static void ace_fsm_dostate(struct ace_device *ace)
                         dev_dbg(ace->dev,
                                 "CFBSY set; t=%i iter=%i c=%i dc=%i irq=%i\n",
                                 ace->fsm_task, ace->fsm_iter_num,
-                                ace->req->current_nr_sectors * 16,
+                                blk_rq_cur_sectors(ace->req) * 16,
                                 ace->data_count, ace->in_irq);
                         ace_fsm_yield(ace);     /* need to poll CFBSY bit */
                         break;
@@ -697,7 +698,7 @@ static void ace_fsm_dostate(struct ace_device *ace)
                         dev_dbg(ace->dev,
                                 "DATABUF not set; t=%i iter=%i c=%i dc=%i irq=%i\n",
                                 ace->fsm_task, ace->fsm_iter_num,
-                                ace->req->current_nr_sectors * 16,
+                                blk_rq_cur_sectors(ace->req) * 16,
                                 ace->data_count, ace->in_irq);
                         ace_fsm_yieldirq(ace);
                         break;
@@ -721,10 +722,10 @@ static void ace_fsm_dostate(struct ace_device *ace)
                                         blk_rq_cur_bytes(ace->req))) {
                         /* dev_dbg(ace->dev, "next block; h=%u c=%u\n",
                          *      blk_rq_sectors(ace->req),
-                         *      ace->req->current_nr_sectors);
+                         *      blk_rq_cur_sectors(ace->req));
                          */
                         ace->data_ptr = ace->req->buffer;
-                        ace->data_count = ace->req->current_nr_sectors * 16;
+                        ace->data_count = blk_rq_cur_sectors(ace->req) * 16;
                         ace_fsm_yieldirq(ace);
                         break;
                 }
diff --git a/drivers/block/z2ram.c b/drivers/block/z2ram.c
index b66ad58a3c38..d4e6b71f514a 100644
--- a/drivers/block/z2ram.c
+++ b/drivers/block/z2ram.c
@@ -71,12 +71,12 @@ static void do_z2_request(struct request_queue *q)
 {
         struct request *req;
         while ((req = elv_next_request(q)) != NULL) {
-                unsigned long start = req->sector << 9;
-                unsigned long len  = req->current_nr_sectors << 9;
+                unsigned long start = blk_rq_pos(req) << 9;
+                unsigned long len  = blk_rq_cur_sectors(req) << 9;
 
                 if (start + len > z2ram_size) {
                         printk( KERN_ERR DEVICE_NAME ": bad access: block=%lu, count=%u\n",
-                                req->sector, req->current_nr_sectors);
+                                blk_rq_pos(req), blk_rq_cur_sectors(req));
                         __blk_end_request_cur(req, -EIO);
                         continue;
                 }