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Commit 73d2cb16 authored by Boaz Harrosh's avatar Boaz Harrosh Committed by James Bottomley
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[SCSI] aha152x: Use scsi_eh API for REQUEST_SENSE invocation 



  - Use new scsi_eh_prep/restor_cmnd() for synchronous
    REQUEST_SENSE invocation.

Signed-off-by: default avatarBoaz Harrosh <bharrosh@panasas.com>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 75a9a4e1

drivers/scsi/aha152x.c

+8 −30
Original line number Diff line number Diff line
@@ -260,6 +260,7 @@ 
#include <scsi/scsi_dbg.h>

#include <scsi/scsi_host.h>

#include <scsi/scsi_transport_spi.h>

#include <scsi/scsi_eh.h>

#include "aha152x.h"



static LIST_HEAD(aha152x_host_list);
@@ -558,9 +559,7 @@ struct aha152x_hostdata { 
struct aha152x_scdata {

	Scsi_Cmnd *next;	/* next sc in queue */

	struct completion *done;/* semaphore to block on */

	unsigned char aha_orig_cmd_len;

	unsigned char aha_orig_cmnd[MAX_COMMAND_SIZE];

	int aha_orig_resid;

	struct scsi_eh_save ses;

};



/* access macros for hostdata */
@@ -1017,16 +1016,10 @@ static int aha152x_internal_queue(Scsi_Cmnd *SCpnt, struct completion *complete, 
	   SCp.buffers_residual : left buffers in list

	   SCp.phase            : current state of the command */



	if ((phase & (check_condition|resetting)) || !scsi_sglist(SCpnt)) {

		if (phase & check_condition) {

			SCpnt->SCp.ptr           = SCpnt->sense_buffer;

			SCpnt->SCp.this_residual = sizeof(SCpnt->sense_buffer);

			scsi_set_resid(SCpnt, sizeof(SCpnt->sense_buffer));

		} else {

	if ((phase & resetting) || !scsi_sglist(SCpnt)) {

		SCpnt->SCp.ptr           = NULL;

		SCpnt->SCp.this_residual = 0;

		scsi_set_resid(SCpnt, 0);

		}

		SCpnt->SCp.buffer           = NULL;

		SCpnt->SCp.buffers_residual = 0;

	} else {
@@ -1561,10 +1554,7 @@ static void busfree_run(struct Scsi_Host *shpnt) 
			}

#endif



			/* restore old command */

			memcpy(cmd->cmnd, sc->aha_orig_cmnd, sizeof(cmd->cmnd));

			cmd->cmd_len = sc->aha_orig_cmd_len;

			scsi_set_resid(cmd, sc->aha_orig_resid);

			scsi_eh_restore_cmnd(cmd, &sc->ses);



			cmd->SCp.Status = SAM_STAT_CHECK_CONDITION;
@@ -1587,22 +1577,10 @@ static void busfree_run(struct Scsi_Host *shpnt) 
				DPRINTK(debug_eh, ERR_LEAD "requesting sense\n", CMDINFO(ptr));

#endif



				/* save old command */

				sc = SCDATA(ptr);

				/* It was allocated in aha152x_internal_queue? */

				BUG_ON(!sc);

				memcpy(sc->aha_orig_cmnd, ptr->cmnd,

				                            sizeof(ptr->cmnd));

				sc->aha_orig_cmd_len = ptr->cmd_len;

				sc->aha_orig_resid = scsi_get_resid(ptr);



				ptr->cmnd[0]         = REQUEST_SENSE;

				ptr->cmnd[1]         = 0;

				ptr->cmnd[2]         = 0;

				ptr->cmnd[3]         = 0;

				ptr->cmnd[4]         = sizeof(ptr->sense_buffer);

				ptr->cmnd[5]         = 0;

				ptr->cmd_len         = 6;

				scsi_eh_prep_cmnd(ptr, &sc->ses, NULL, 0, ~0);



				DO_UNLOCK(flags);

				aha152x_internal_queue(ptr, NULL, check_condition, ptr->scsi_done);