[SCSI] Remove ->pid field from scsi_cmnd

The pid field is a duplicate of the serial_number field and has been
scheduled for removal for a long time.  A few drivers were still using
it, so just change them to use serial_number instead.

Signed-off-by: Matthew Wilcox <willy@linux.intel.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
diff --git a/drivers/scsi/u14-34f.c b/drivers/scsi/u14-34f.c
index 9e8232a..fc9f518 100644
--- a/drivers/scsi/u14-34f.c
+++ b/drivers/scsi/u14-34f.c
@@ -1254,7 +1254,7 @@
 
    if (SCpnt->host_scribble)
       panic("%s: qcomm, pid %ld, SCpnt %p already active.\n",
-            BN(j), SCpnt->pid, SCpnt);
+            BN(j), SCpnt->serial_number, SCpnt);
 
    /* i is the mailbox number, look for the first free mailbox
       starting from last_cp_used */
@@ -1285,7 +1285,7 @@
 
    if (do_trace) printk("%s: qcomm, mbox %d, target %d.%d:%d, pid %ld.\n",
                         BN(j), i, SCpnt->device->channel, SCpnt->device->id,
-                        SCpnt->device->lun, SCpnt->pid);
+                        SCpnt->device->lun, SCpnt->serial_number);
 
    cpp->opcode = OP_SCSI;
    cpp->channel = SCpnt->device->channel;
@@ -1312,7 +1312,7 @@
       unmap_dma(i, j);
       SCpnt->host_scribble = NULL;
       scmd_printk(KERN_INFO, SCpnt,
-      		"qcomm, pid %ld, adapter busy.\n", SCpnt->pid);
+      		"qcomm, pid %ld, adapter busy.\n", SCpnt->serial_number);
       return 1;
       }
 
@@ -1333,13 +1333,13 @@
 
    if (SCarg->host_scribble == NULL) {
       scmd_printk(KERN_INFO, SCarg, "abort, pid %ld inactive.\n",
-             SCarg->pid);
+             SCarg->serial_number);
       return SUCCESS;
       }
 
    i = *(unsigned int *)SCarg->host_scribble;
    scmd_printk(KERN_INFO, SCarg, "abort, mbox %d, pid %ld.\n",
-	       i, SCarg->pid);
+	       i, SCarg->serial_number);
 
    if (i >= sh[j]->can_queue)
       panic("%s: abort, invalid SCarg->host_scribble.\n", BN(j));
@@ -1383,7 +1383,7 @@
       SCarg->host_scribble = NULL;
       HD(j)->cp_stat[i] = FREE;
       printk("%s, abort, mbox %d ready, DID_ABORT, pid %ld done.\n",
-             BN(j), i, SCarg->pid);
+             BN(j), i, SCarg->serial_number);
       SCarg->scsi_done(SCarg);
       return SUCCESS;
       }
@@ -1397,12 +1397,12 @@
    struct scsi_cmnd *SCpnt;
 
    j = ((struct hostdata *) SCarg->device->host->hostdata)->board_number;
-   scmd_printk(KERN_INFO, SCarg, "reset, enter, pid %ld.\n", SCarg->pid);
+   scmd_printk(KERN_INFO, SCarg, "reset, enter, pid %ld.\n", SCarg->serial_number);
 
    spin_lock_irq(sh[j]->host_lock);
 
    if (SCarg->host_scribble == NULL)
-      printk("%s: reset, pid %ld inactive.\n", BN(j), SCarg->pid);
+      printk("%s: reset, pid %ld inactive.\n", BN(j), SCarg->serial_number);
 
    if (HD(j)->in_reset) {
       printk("%s: reset, exit, already in reset.\n", BN(j));
@@ -1440,13 +1440,13 @@
       if (HD(j)->cp_stat[i] == READY || HD(j)->cp_stat[i] == ABORTING) {
          HD(j)->cp_stat[i] = ABORTING;
          printk("%s: reset, mbox %d aborting, pid %ld.\n",
-                BN(j), i, SCpnt->pid);
+                BN(j), i, SCpnt->serial_number);
          }
 
       else {
          HD(j)->cp_stat[i] = IN_RESET;
          printk("%s: reset, mbox %d in reset, pid %ld.\n",
-                BN(j), i, SCpnt->pid);
+                BN(j), i, SCpnt->serial_number);
          }
 
       if (SCpnt->host_scribble == NULL)
@@ -1495,7 +1495,7 @@
          HD(j)->cp_stat[i] = LOCKED;
 
          printk("%s, reset, mbox %d locked, DID_RESET, pid %ld done.\n",
-                BN(j), i, SCpnt->pid);
+                BN(j), i, SCpnt->serial_number);
          }
 
       else if (HD(j)->cp_stat[i] == ABORTING) {
@@ -1508,7 +1508,7 @@
          HD(j)->cp_stat[i] = FREE;
 
          printk("%s, reset, mbox %d aborting, DID_RESET, pid %ld done.\n",
-                BN(j), i, SCpnt->pid);
+                BN(j), i, SCpnt->serial_number);
          }
 
       else
@@ -1522,7 +1522,7 @@
    HD(j)->in_reset = FALSE;
    do_trace = FALSE;
 
-   if (arg_done) printk("%s: reset, exit, pid %ld done.\n", BN(j), SCarg->pid);
+   if (arg_done) printk("%s: reset, exit, pid %ld done.\n", BN(j), SCarg->serial_number);
    else          printk("%s: reset, exit.\n", BN(j));
 
    spin_unlock_irq(sh[j]->host_lock);
@@ -1639,7 +1639,7 @@
 
    if (!input_only) for (n = 0; n < n_ready; n++) {
       k = il[n]; cpp = &HD(j)->cp[k]; SCpnt = cpp->SCpnt;
-      ll[n] = SCpnt->request->nr_sectors; pl[n] = SCpnt->pid;
+      ll[n] = SCpnt->request->nr_sectors; pl[n] = SCpnt->serial_number;
 
       if (!n) continue;
 
@@ -1666,7 +1666,7 @@
          printk("%s %d.%d:%d pid %ld mb %d fc %d nr %d sec %ld ns %ld"\
                 " cur %ld s:%c r:%c rev:%c in:%c ov:%c xd %d.\n",
                 (ihdlr ? "ihdlr" : "qcomm"), SCpnt->channel, SCpnt->target,
-                SCpnt->lun, SCpnt->pid, k, flushcount, n_ready,
+                SCpnt->lun, SCpnt->serial_number, k, flushcount, n_ready,
                 SCpnt->request->sector, SCpnt->request->nr_sectors, cursec,
                 YESNO(s), YESNO(r), YESNO(rev), YESNO(input_only),
                 YESNO(overlap), cpp->xdir);
@@ -1703,7 +1703,7 @@
          scmd_printk(KERN_INFO, SCpnt,
 	 	"%s, pid %ld, mbox %d, adapter"
                 " busy, will abort.\n", (ihdlr ? "ihdlr" : "qcomm"),
-                SCpnt->pid, k);
+                SCpnt->serial_number, k);
          HD(j)->cp_stat[k] = ABORTING;
          continue;
          }
@@ -1787,11 +1787,11 @@
 
    if (SCpnt->host_scribble == NULL)
       panic("%s: ihdlr, mbox %d, pid %ld, SCpnt %p garbled.\n", BN(j), i,
-            SCpnt->pid, SCpnt);
+            SCpnt->serial_number, SCpnt);
 
    if (*(unsigned int *)SCpnt->host_scribble != i)
       panic("%s: ihdlr, mbox %d, pid %ld, index mismatch %d.\n",
-            BN(j), i, SCpnt->pid, *(unsigned int *)SCpnt->host_scribble);
+            BN(j), i, SCpnt->serial_number, *(unsigned int *)SCpnt->host_scribble);
 
    sync_dma(i, j);
 
@@ -1835,12 +1835,12 @@
                (SCpnt->sense_buffer[2] & 0xf) == NOT_READY)))
             scmd_printk(KERN_INFO, SCpnt,
 	    	"ihdlr, pid %ld, target_status 0x%x, sense key 0x%x.\n",
-                   SCpnt->pid, spp->target_status,
+                   SCpnt->serial_number, spp->target_status,
                    SCpnt->sense_buffer[2]);
 
          HD(j)->target_to[scmd_id(SCpnt)][scmd_channel(SCpnt)] = 0;
 
-         if (HD(j)->last_retried_pid == SCpnt->pid) HD(j)->retries = 0;
+         if (HD(j)->last_retried_pid == SCpnt->serial_number) HD(j)->retries = 0;
 
          break;
       case ASST:     /* Selection Time Out */
@@ -1877,7 +1877,7 @@
 #endif
 
             HD(j)->retries++;
-            HD(j)->last_retried_pid = SCpnt->pid;
+            HD(j)->last_retried_pid = SCpnt->serial_number;
             }
          else
             status = DID_ERROR << 16;
@@ -1907,7 +1907,7 @@
 #endif
       scmd_printk(KERN_INFO, SCpnt, "ihdlr, mbox %2d, err 0x%x:%x,"\
              " pid %ld, reg 0x%x, count %d.\n",
-             i, spp->adapter_status, spp->target_status, SCpnt->pid,
+             i, spp->adapter_status, spp->target_status, SCpnt->serial_number,
              reg, HD(j)->iocount);
 
    unmap_dma(i, j);