1 files changed, 23 insertions, 24 deletions

diff --git a/drivers/block/paride/pf.c b/drivers/block/paride/pf.c
index bef3b997ba3e..68a90834e993 100644
--- a/drivers/block/paride/pf.c
+++ b/drivers/block/paride/pf.c
@@ -750,12 +750,10 @@ static int pf_ready(void)
 
 static struct request_queue *pf_queue;
 
-static void pf_end_request(int uptodate)
+static void pf_end_request(int err)
 {
-        if (pf_req) {
-                end_request(pf_req, uptodate);
+        if (pf_req && !__blk_end_request_cur(pf_req, err))
                 pf_req = NULL;
-        }
 }
 
 static void do_pf_request(struct request_queue * q)
@@ -763,17 +761,19 @@ static void do_pf_request(struct request_queue * q)
         if (pf_busy)
                 return;
 repeat:
-        pf_req = elv_next_request(q);
-        if (!pf_req)
-                return;
+        if (!pf_req) {
+                pf_req = blk_fetch_request(q);
+                if (!pf_req)
+                        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(0);
+                pf_end_request(-EIO);
                 goto repeat;
         }
 
@@ -788,7 +788,7 @@ repeat:
                 pi_do_claimed(pf_current->pi, do_pf_write);
         else {
                 pf_busy = 0;
-                pf_end_request(0);
+                pf_end_request(-EIO);
                 goto repeat;
         }
 }
@@ -805,23 +805,22 @@ static int pf_next_buf(void)
                 return 1;
         if (!pf_count) {
                 spin_lock_irqsave(&pf_spin_lock, saved_flags);
-                pf_end_request(1);
-                pf_req = elv_next_request(pf_queue);
+                pf_end_request(0);
                 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;
 }
 
-static inline void next_request(int success)
+static inline void next_request(int err)
 {
         unsigned long saved_flags;
 
         spin_lock_irqsave(&pf_spin_lock, saved_flags);
-        pf_end_request(success);
+        pf_end_request(err);
         pf_busy = 0;
         do_pf_request(pf_queue);
         spin_unlock_irqrestore(&pf_spin_lock, saved_flags);
@@ -844,7 +843,7 @@ static void do_pf_read_start(void)
                         pi_do_claimed(pf_current->pi, do_pf_read_start);
                         return;
                 }
-                next_request(0);
+                next_request(-EIO);
                 return;
         }
         pf_mask = STAT_DRQ;
@@ -863,7 +862,7 @@ static void do_pf_read_drq(void)
                                 pi_do_claimed(pf_current->pi, do_pf_read_start);
                                 return;
                         }
-                        next_request(0);
+                        next_request(-EIO);
                         return;
                 }
                 pi_read_block(pf_current->pi, pf_buf, 512);
@@ -871,7 +870,7 @@ static void do_pf_read_drq(void)
                         break;
         }
         pi_disconnect(pf_current->pi);
-        next_request(1);
+        next_request(0);
 }
 
 static void do_pf_write(void)
@@ -890,7 +889,7 @@ static void do_pf_write_start(void)
                         pi_do_claimed(pf_current->pi, do_pf_write_start);
                         return;
                 }
-                next_request(0);
+                next_request(-EIO);
                 return;
         }
 
@@ -903,7 +902,7 @@ static void do_pf_write_start(void)
                                 pi_do_claimed(pf_current->pi, do_pf_write_start);
                                 return;
                         }
-                        next_request(0);
+                        next_request(-EIO);
                         return;
                 }
                 pi_write_block(pf_current->pi, pf_buf, 512);
@@ -923,11 +922,11 @@ static void do_pf_write_done(void)
                         pi_do_claimed(pf_current->pi, do_pf_write_start);
                         return;
                 }
-                next_request(0);
+                next_request(-EIO);
                 return;
         }
         pi_disconnect(pf_current->pi);
-        next_request(1);
+        next_request(0);
 }
 
 static int __init pf_init(void)