6 files changed, 5 insertions, 43 deletions

diff --git a/drivers/scsi/megaraid.c b/drivers/scsi/megaraid.c
index 6ee88c59953e..6fe884a2d00d 100644
--- a/drivers/scsi/megaraid.c
+++ b/drivers/scsi/megaraid.c
@@ -35,6 +35,7 @@
 #include <linux/blkdev.h>
 #include <asm/uaccess.h>
 #include <asm/io.h>
+#include <linux/completion.h>
 #include <linux/delay.h>
 #include <linux/proc_fs.h>
 #include <linux/reboot.h>
@@ -4477,8 +4478,6 @@ mega_internal_command(adapter_t *adapter, lockscope_t ls, megacmd_t *mc,
 
         scb->idx = CMDID_INT_CMDS;
 
-        scmd->state = 0;
-
         /*
          * Get the lock only if the caller has not acquired it already
          */
@@ -4488,15 +4487,7 @@ mega_internal_command(adapter_t *adapter, lockscope_t ls, megacmd_t *mc,
 
         if( ls == LOCK_INT ) spin_unlock_irqrestore(&adapter->lock, flags);
 
-        /*
-         * Wait till this command finishes. Do not use
-         * wait_event_interruptible(). It causes panic if CTRL-C is hit when
-         * dumping e.g., physical disk information through /proc interface.
-         */
-#if 0
-        wait_event_interruptible(adapter->int_waitq, scmd->state);
-#endif
-        wait_event(adapter->int_waitq, scmd->state);
+        wait_for_completion(&adapter->int_waitq);
 
         rval = scmd->result;
         mc->status = scmd->result;
@@ -4530,16 +4521,7 @@ mega_internal_done(Scsi_Cmnd *scmd)
 
         adapter = (adapter_t *)scmd->device->host->hostdata;
 
-        scmd->state = 1; /* thread waiting for its command to complete */
-
-        /*
-         * See comment in mega_internal_command() routine for
-         * wait_event_interruptible()
-         */
-#if 0
-        wake_up_interruptible(&adapter->int_waitq);
-#endif
-        wake_up(&adapter->int_waitq);
+        complete(&adapter->int_waitq);
 
 }
 
@@ -4861,7 +4843,7 @@ megaraid_probe_one(struct pci_dev *pdev, const struct pci_device_id *id)
         }
                 
         init_MUTEX(&adapter->int_mtx);
-        init_waitqueue_head(&adapter->int_waitq);
+        init_completion(&adapter->int_waitq);
 
         adapter->this_id = DEFAULT_INITIATOR_ID;
         adapter->host->this_id = DEFAULT_INITIATOR_ID;
diff --git a/drivers/scsi/megaraid.h b/drivers/scsi/megaraid.h
index e25c4de9edd9..4facf557cd19 100644
--- a/drivers/scsi/megaraid.h
+++ b/drivers/scsi/megaraid.h
@@ -891,7 +891,7 @@ typedef struct {
         Scsi_Cmnd               int_scmd;
         struct semaphore        int_mtx;        /* To synchronize the internal
                                                 commands */
-        wait_queue_head_t       int_waitq;      /* wait queue for internal
+        struct completion       int_waitq;      /* wait queue for internal
                                                  cmds */
 
         int     has_cluster;    /* cluster support on this HBA */
diff --git a/drivers/scsi/scsi.c b/drivers/scsi/scsi.c
index b25e5e531eb9..1afe1e592af4 100644
--- a/drivers/scsi/scsi.c
+++ b/drivers/scsi/scsi.c
@@ -259,7 +259,6 @@ 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;
                 init_timer(&cmd->eh_timeout);
                 INIT_LIST_HEAD(&cmd->list);
                 spin_lock_irqsave(&dev->list_lock, flags);
@@ -609,9 +608,6 @@ int scsi_dispatch_cmd(struct scsi_cmnd *cmd)
          * We will use a queued command if possible, otherwise we will
          * emulate the queuing and calling of completion function ourselves.
          */
-
-        cmd->state = SCSI_STATE_QUEUED;
-
         atomic_inc(&cmd->device->iorequest_cnt);
 
         /*
@@ -764,7 +760,6 @@ void __scsi_done(struct scsi_cmnd *cmd)
          * Set the serial numbers back to zero
          */
         cmd->serial_number = 0;
-        cmd->state = SCSI_STATE_BHQUEUE;
 
         atomic_inc(&cmd->device->iodone_cnt);
         if (cmd->result)
@@ -885,8 +880,6 @@ 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->state = SCSI_STATE_FINISHED;
-
         /*
          * We can get here with use_sg=0, causing a panic in the upper level
          */
diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c
index 0df8615732c1..4f312da021f1 100644
--- a/drivers/scsi/scsi_error.c
+++ b/drivers/scsi/scsi_error.c
@@ -74,10 +74,6 @@ int scsi_eh_scmd_add(struct scsi_cmnd *scmd, int eh_flag)
         spin_lock_irqsave(shost->host_lock, flags);
 
         scsi_eh_eflags_set(scmd, eh_flag);
-        /*
-         * FIXME: Can we stop setting owner and state.
-         */
-        scmd->state = SCSI_STATE_FAILED;
         list_add_tail(&scmd->eh_entry, &shost->eh_cmd_q);
         set_bit(SHOST_RECOVERY, &shost->shost_state);
         shost->host_failed++;
@@ -634,8 +630,6 @@ static void scsi_eh_finish_cmd(struct scsi_cmnd *scmd,
                                struct list_head *done_q)
 {
         scmd->device->host->host_failed--;
-        scmd->state = SCSI_STATE_BHQUEUE;
-
         scsi_eh_eflags_clr_all(scmd);
 
         /*
@@ -1803,7 +1797,6 @@ scsi_reset_provider(struct scsi_device *dev, int flag)
         scmd->request = &req;
         memset(&scmd->eh_timeout, 0, sizeof(scmd->eh_timeout));
         scmd->request->rq_status        = RQ_SCSI_BUSY;
-        scmd->state                     = SCSI_STATE_INITIALIZING;
 
         memset(&scmd->cmnd, '\0', sizeof(scmd->cmnd));
     
diff --git a/drivers/scsi/scsi_lib.c b/drivers/scsi/scsi_lib.c
index 912cea081119..58dcb0534a26 100644
--- a/drivers/scsi/scsi_lib.c
+++ b/drivers/scsi/scsi_lib.c
@@ -146,11 +146,6 @@ int scsi_queue_insert(struct scsi_cmnd *cmd, int reason)
                 device->device_blocked = device->max_device_blocked;
 
         /*
-         * Register the fact that we own the thing for now.
-         */
-        cmd->state = SCSI_STATE_MLQUEUE;
-
-        /*
          * Decrement the counters, since these commands are no longer
          * active on the host/device.
          */
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index 0c149219caf9..9957f16dcc5d 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -31,7 +31,6 @@ struct scsi_cmnd {
         int     sc_magic;
 
         struct scsi_device *device;
-        unsigned short state;
         struct scsi_request *sc_request;
 
         struct list_head list;  /* scsi_cmnd participates in queue lists */