summaryrefslogtreecommitdiffstats
path: root/drivers/scsi
diff options
context:
space:
mode:
authorChristoph Hellwig <hch@lst.de>2016-07-11 06:34:55 +0200
committerMartin K. Petersen <martin.petersen@oracle.com>2016-07-14 04:33:23 +0200
commit68350a886e7df0269a14af888dd68be2ba9203ca (patch)
treefba17d8d095336f22ecdd435a3956b8961c3c009 /drivers/scsi
parentmegaraid_sas: Do not fire MR_DCMD_PD_LIST_QUERY to controllers which do not s... (diff)
downloadlinux-68350a886e7df0269a14af888dd68be2ba9203ca.tar.xz
linux-68350a886e7df0269a14af888dd68be2ba9203ca.zip
scsi: remove current_cmnd field from struct scsi_device
The field is only used by the 53c700 driver, so move it into the driver-private device data instead of having it in the common structure. Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Tomas Henzl <thenzl@redhat.com> Reviewed-by: Ewan D. Milne <emilne@redhat.com> Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
Diffstat (limited to 'drivers/scsi')
-rw-r--r--drivers/scsi/53c700.c8
-rw-r--r--drivers/scsi/53c700.h1
2 files changed, 6 insertions, 3 deletions
diff --git a/drivers/scsi/53c700.c b/drivers/scsi/53c700.c
index 55562019acf8..95e32a47face 100644
--- a/drivers/scsi/53c700.c
+++ b/drivers/scsi/53c700.c
@@ -1120,9 +1120,9 @@ process_script_interrupt(__u32 dsps, __u32 dsp, struct scsi_cmnd *SCp,
"reselection is tag %d, slot %p(%d)\n",
hostdata->msgin[2], slot, slot->tag);
} else {
- struct scsi_cmnd *SCp;
+ struct NCR_700_Device_Parameters *p = SDp->hostdata;
+ struct scsi_cmnd *SCp = p->current_cmnd;
- SCp = SDp->current_cmnd;
if(unlikely(SCp == NULL)) {
sdev_printk(KERN_ERR, SDp,
"no saved request for untagged cmd\n");
@@ -1825,9 +1825,11 @@ NCR_700_queuecommand_lck(struct scsi_cmnd *SCp, void (*done)(struct scsi_cmnd *)
CDEBUG(KERN_DEBUG, SCp, "sending out tag %d, slot %p\n",
slot->tag, slot);
} else {
+ struct NCR_700_Device_Parameters *p = SCp->device->hostdata;
+
slot->tag = SCSI_NO_TAG;
/* save current command for reselection */
- SCp->device->current_cmnd = SCp;
+ p->current_cmnd = SCp;
}
/* sanity check: some of the commands generated by the mid-layer
* have an eccentric idea of their sc_data_direction */
diff --git a/drivers/scsi/53c700.h b/drivers/scsi/53c700.h
index c893a5d3ff8d..f34c916b95bc 100644
--- a/drivers/scsi/53c700.h
+++ b/drivers/scsi/53c700.h
@@ -82,6 +82,7 @@ struct NCR_700_Device_Parameters {
* cmnd[1], this could be in static storage */
unsigned char cmnd[MAX_COMMAND_SIZE];
__u8 depth;
+ struct scsi_cmnd *current_cmnd; /* currently active command */
};