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[SCSI] remove scsi_cmnd->state

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We never look at it except for the old megaraid driver that abuses it
for sending internal commands.  That usage can be fixed easily because
those internal commands are single-threaded by a mutex and we can easily
use a completion there.

Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Christoph Hellwig
2005-06-19 13:42:05 +02:00
committed by James Bottomley
parent b4edcbcafd
commit 8d115f845a
6 changed files with 5 additions and 43 deletions
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7
drivers/scsi/scsi.c
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@ -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
*/