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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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2
drivers/scsi/scsi.c
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@ -686,7 +686,6 @@ void scsi_init_cmd_from_req(struct scsi_cmnd *cmd, struct scsi_request *sreq)
cmd->request = sreq->sr_request;
memcpy(cmd->data_cmnd, sreq->sr_cmnd, sizeof(cmd->data_cmnd));
cmd->serial_number = 0;
cmd->serial_number_at_timeout = 0;
cmd->bufflen = sreq->sr_bufflen;
cmd->buffer = sreq->sr_buffer;
cmd->retries = 0;
@ -765,7 +764,6 @@ void __scsi_done(struct scsi_cmnd *cmd)
* Set the serial numbers back to zero
*/
cmd->serial_number = 0;
cmd->serial_number_at_timeout = 0;
cmd->state = SCSI_STATE_BHQUEUE;
cmd->owner = SCSI_OWNER_BH_HANDLER;