[SCSI] remove scsi_cmnd->owner

never checked anywhere

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>

5 files changed, 1 insertions, 36 deletions

diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index 5add683804e5..b25e5e531eb9 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -260,7 +260,6 @@ struct scsi_cmnd *scsi_get_command(struct scsi_device *dev, int gfp_mask)
                 memset(cmd, 0, sizeof(*cmd));
                 cmd->device = dev;
                 cmd->state = SCSI_STATE_UNUSED;
-                cmd->owner = SCSI_OWNER_NOBODY;
                 init_timer(&cmd->eh_timeout);
                 INIT_LIST_HEAD(&cmd->list);
                 spin_lock_irqsave(&dev->list_lock, flags);
@@ -612,7 +611,6 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
          */
 
         cmd->state = SCSI_STATE_QUEUED;
-        cmd->owner = SCSI_OWNER_LOWLEVEL;
 
         atomic_inc(&cmd->device->iorequest_cnt);
 
@@ -683,7 +681,6 @@ void scsi_init_cmd_from_req(struct scsi_cmnd *cmd, struct scsi_request *sreq)
 {
         sreq->sr_command = cmd;
 
-        cmd->owner = SCSI_OWNER_MIDLEVEL;
         cmd->cmd_len = sreq->sr_cmd_len;
         cmd->use_sg = sreq->sr_use_sg;
 
@@ -768,7 +765,6 @@ void __scsi_done(struct scsi_cmnd *cmd)
          */
         cmd->serial_number = 0;
         cmd->state = SCSI_STATE_BHQUEUE;
-        cmd->owner = SCSI_OWNER_BH_HANDLER;
 
         atomic_inc(&cmd->device->iodone_cnt);
         if (cmd->result)
@@ -889,7 +885,6 @@ void scsi_finish_command(struct scsi_cmnd *cmd)
         SCSI_LOG_MLCOMPLETE(4, printk("Notifying upper driver of completion "
                                 "for device %d %x\n", sdev->id, cmd->result));
 
-        cmd->owner = SCSI_OWNER_HIGHLEVEL;
         cmd->state = SCSI_STATE_FINISHED;
 
         /*
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index af61f989896e..0df8615732c1 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -77,7 +77,6 @@ int scsi_eh_scmd_add(struct scsi_cmnd *scmd, int eh_flag)
         /*
          * FIXME: Can we stop setting owner and state.
          */
-        scmd->owner = SCSI_OWNER_ERROR_HANDLER;
         scmd->state = SCSI_STATE_FAILED;
         list_add_tail(&scmd->eh_entry, &shost->eh_cmd_q);
         set_bit(SHOST_RECOVERY, &shost->shost_state);
@@ -451,7 +450,6 @@ static void scsi_eh_done(struct scsi_cmnd *scmd)
          */
         if (del_timer(&scmd->eh_timeout)) {
                 scmd->request->rq_status = RQ_SCSI_DONE;
-                scmd->owner = SCSI_OWNER_ERROR_HANDLER;
 
                 SCSI_LOG_ERROR_RECOVERY(3, printk("%s scmd: %p result: %x\n",
                                            __FUNCTION__, scmd, scmd->result));
@@ -484,8 +482,6 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, int timeout)
          * we will use a queued command if possible, otherwise we will
          * emulate the queuing and calling of completion function ourselves.
          */
-        scmd->owner = SCSI_OWNER_LOWLEVEL;
-
         if (sdev->scsi_level <= SCSI_2)
                 scmd->cmnd[1] = (scmd->cmnd[1] & 0x1f) |
                         (sdev->lun << 5 & 0xe0);
@@ -514,7 +510,6 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, int timeout)
          */
         if (scsi_eh_eflags_chk(scmd, SCSI_EH_REC_TIMEOUT)) {
                 scsi_eh_eflags_clr(scmd,  SCSI_EH_REC_TIMEOUT);
-                scmd->owner = SCSI_OWNER_LOWLEVEL;
 
                 /*
                  * as far as the low level driver is
@@ -530,8 +525,6 @@ static int scsi_send_eh_cmnd(struct scsi_cmnd *scmd, int timeout)
                         shost->hostt->eh_abort_handler(scmd);
                         
                 scmd->request->rq_status = RQ_SCSI_DONE;
-                scmd->owner = SCSI_OWNER_ERROR_HANDLER;
-                        
                 rtn = FAILED;
         }
 
@@ -742,9 +735,6 @@ static int scsi_try_to_abort_cmd(struct scsi_cmnd *scmd)
          */
         if (scmd->serial_number == 0)
                 return SUCCESS;
-
-        scmd->owner = SCSI_OWNER_LOWLEVEL;
-
         return scmd->device->host->hostt->eh_abort_handler(scmd);
 }
 
@@ -862,10 +852,7 @@ static int scsi_try_bus_device_reset(struct scsi_cmnd *scmd)
         if (!scmd->device->host->hostt->eh_device_reset_handler)
                 return FAILED;
 
-        scmd->owner = SCSI_OWNER_LOWLEVEL;
-
         rtn = scmd->device->host->hostt->eh_device_reset_handler(scmd);
-
         if (rtn == SUCCESS) {
                 scmd->device->was_reset = 1;
                 scmd->device->expecting_cc_ua = 1;
@@ -1048,7 +1035,6 @@ static int scsi_try_bus_reset(struct scsi_cmnd *scmd)
 
         SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Snd Bus RST\n",
                                           __FUNCTION__));
-        scmd->owner = SCSI_OWNER_LOWLEVEL;
 
         if (!scmd->device->host->hostt->eh_bus_reset_handler)
                 return FAILED;
@@ -1077,7 +1063,6 @@ static int scsi_try_host_reset(struct scsi_cmnd *scmd)
 
         SCSI_LOG_ERROR_RECOVERY(3, printk("%s: Snd Host RST\n",
                                           __FUNCTION__));
-        scmd->owner = SCSI_OWNER_LOWLEVEL;
 
         if (!scmd->device->host->hostt->eh_host_reset_handler)
                 return FAILED;
@@ -1819,8 +1804,7 @@ scsi_reset_provider(struct scsi_device *dev, int flag)
         memset(&scmd->eh_timeout, 0, sizeof(scmd->eh_timeout));
         scmd->request->rq_status        = RQ_SCSI_BUSY;
         scmd->state                     = SCSI_STATE_INITIALIZING;
-        scmd->owner                     = SCSI_OWNER_MIDLEVEL;
-    
+
         memset(&scmd->cmnd, '\0', sizeof(scmd->cmnd));
     
         scmd->scsi_done         = scsi_reset_provider_done_command;
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index b4f320854d66..912cea081119 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -149,7 +149,6 @@ int scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
          * Register the fact that we own the thing for now.
          */
         cmd->state = SCSI_STATE_MLQUEUE;
-        cmd->owner = SCSI_OWNER_MIDLEVEL;
 
         /*
          * Decrement the counters, since these commands are no longer
@@ -299,7 +298,6 @@ EXPORT_SYMBOL(scsi_wait_req);
  */
 static int scsi_init_cmd_errh(struct scsi_cmnd *cmd)
 {
-        cmd->owner = SCSI_OWNER_MIDLEVEL;
         cmd->serial_number = 0;
 
         memset(cmd->sense_buffer, 0, sizeof cmd->sense_buffer);
diff --git a/drivers/scsi/scsi_priv.h b/drivers/scsi/scsi_priv.h
index 96d4f745975c..e0f5b5d4582d 100644
--- a/drivers/scsi/scsi_priv.h
+++ b/drivers/scsi/scsi_priv.h
@@ -13,17 +13,6 @@ struct Scsi_Host;
 
 
 /*
- * These are the values that the owner field can take.
- * They are used as an indication of who the command belongs to.
- */
-#define SCSI_OWNER_HIGHLEVEL      0x100
-#define SCSI_OWNER_MIDLEVEL       0x101
-#define SCSI_OWNER_LOWLEVEL       0x102
-#define SCSI_OWNER_ERROR_HANDLER  0x103
-#define SCSI_OWNER_BH_HANDLER     0x104
-#define SCSI_OWNER_NOBODY         0x105
-
-/*
  * Magic values for certain scsi structs. Shouldn't ever be used.
  */
 #define SCSI_CMND_MAGIC         0xE25C23A5
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 5f8c907c32e8..0c149219caf9 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -32,7 +32,6 @@ struct scsi_cmnd {
 
         struct scsi_device *device;
         unsigned short state;
-        unsigned short owner;
         struct scsi_request *sc_request;
 
         struct list_head list;  /* scsi_cmnd participates in queue lists */