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[PATCH] scsi: remove meaningless scsi_cmnd->serial_number_at_timeout field

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scsi_cmnd->serial_number_at_timeout doesn't serve any purpose
anymore.  All serial_number == serial_number_at_timeout tests
are always true in abort callbacks.  Kill the field.  Also, as
->pid always equals ->serial_number and ->serial_number
doesn't have any special meaning anymore, update comments
above ->serial_number accordingly.  Once we remove all uses of
this field from all lldd's, this field should go.

Signed-off-by: Tejun Heo <htejun@gmail.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
2005-04-03 14:59:11 -05:00
committed by James Bottomley
parent d3a933dc98
commit c6295cdf65
10 changed files with 15 additions and 62 deletions
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14
drivers/scsi/ncr53c8xx.c
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@@ -7486,24 +7486,14 @@ static int ncr53c8xx_abort(struct scsi_cmnd *cmd)
struct scsi_cmnd *done_list;
#if defined SCSI_RESET_SYNCHRONOUS && defined SCSI_RESET_ASYNCHRONOUS
printk("ncr53c8xx_abort: pid=%lu serial_number=%ld serial_number_at_timeout=%ld\n",
cmd->pid, cmd->serial_number, cmd->serial_number_at_timeout);
printk("ncr53c8xx_abort: pid=%lu serial_number=%ld\n",
cmd->pid, cmd->serial_number);
#else
printk("ncr53c8xx_abort: command pid %lu\n", cmd->pid);
#endif
NCR_LOCK_NCB(np, flags);
#if defined SCSI_RESET_SYNCHRONOUS && defined SCSI_RESET_ASYNCHRONOUS
/*
* We have to just ignore abort requests in some situations.
*/
if (cmd->serial_number != cmd->serial_number_at_timeout) {
sts = SCSI_ABORT_NOT_RUNNING;
goto out;
}
#endif
sts = ncr_abort_command(np, cmd);
out:
done_list = np->done_list;