[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: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

diff --git a/drivers/scsi/aha152x.c b/drivers/scsi/aha152x.c
index ea8c699476446cc8c09587d33dd8b84ced275461..6ccdc96cc480559c4e259a79d004e4589d316300 100644 (file)
--- a/drivers/scsi/aha152x.c
+++ b/drivers/scsi/aha152x.c
@@ -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 {
-                       SCpnt->SCp.ptr           = NULL;
-                       SCpnt->SCp.this_residual = 0;
-                       scsi_set_resid(SCpnt, 0);
-               }
+       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);