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Date: Thu, 12 Nov 2009 12:49:30 -0600
From: "Stephen M. Cameron" <scameron@...rdog.cce.hp.com>
To: axboe@...nel.dk, akpm@...ux-foundation.org
Cc: linux-kernel@...r.kernel.org, mikem@...rdog.cce.hp.com,
achiang@...com, brace@...rdog.cce.hp.com
Subject: [PATCH 04/11] cciss: Remove the "withirq" parameter from various
functions where possible
From: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
cciss: Remove the "withirq" parameter from various functions where possible
Signed-off-by: Stephen M. Cameron <scameron@...rdog.cce.hp.com>
---
drivers/block/cciss.c | 89 ++++++++++++++++---------------------------------
1 files changed, 29 insertions(+), 60 deletions(-)
diff --git a/drivers/block/cciss.c b/drivers/block/cciss.c
index 429b9b6..4321c94 100644
--- a/drivers/block/cciss.c
+++ b/drivers/block/cciss.c
@@ -179,12 +179,12 @@ static int rebuild_lun_table(ctlr_info_t *h, int first_time, int via_ioctl);
static int deregister_disk(ctlr_info_t *h, int drv_index,
int clear_all, int via_ioctl);
-static void cciss_read_capacity(int ctlr, int logvol, int withirq,
+static void cciss_read_capacity(int ctlr, int logvol,
sector_t *total_size, unsigned int *block_size);
-static void cciss_read_capacity_16(int ctlr, int logvol, int withirq,
+static void cciss_read_capacity_16(int ctlr, int logvol,
sector_t *total_size, unsigned int *block_size);
static void cciss_geometry_inquiry(int ctlr, int logvol,
- int withirq, sector_t total_size,
+ sector_t total_size,
unsigned int block_size, InquiryData_struct *inq_buff,
drive_info_struct *drv);
static void __devinit cciss_interrupt_mode(ctlr_info_t *, struct pci_dev *,
@@ -1701,7 +1701,7 @@ static inline void log_unit_to_scsi3addr(ctlr_info_t *h,
* via the inquiry page 0. Model, vendor, and rev are set to empty strings if
* they cannot be read.
*/
-static void cciss_get_device_descr(int ctlr, int logvol, int withirq,
+static void cciss_get_device_descr(int ctlr, int logvol,
char *vendor, char *model, char *rev)
{
int rc;
@@ -1717,14 +1717,8 @@ static void cciss_get_device_descr(int ctlr, int logvol, int withirq,
return;
log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol);
- if (withirq)
- rc = sendcmd_withirq(CISS_INQUIRY, ctlr, inq_buf,
- sizeof(InquiryData_struct), 0,
- scsi3addr, TYPE_CMD);
- else
- rc = sendcmd(CISS_INQUIRY, ctlr, inq_buf,
- sizeof(InquiryData_struct), 0,
- scsi3addr, TYPE_CMD);
+ rc = sendcmd_withirq(CISS_INQUIRY, ctlr, inq_buf, sizeof(*inq_buf), 0,
+ scsi3addr, TYPE_CMD);
if (rc == IO_OK) {
memcpy(vendor, &inq_buf->data_byte[8], VENDOR_LEN);
vendor[VENDOR_LEN] = '\0';
@@ -1743,7 +1737,7 @@ static void cciss_get_device_descr(int ctlr, int logvol, int withirq,
* number cannot be had, for whatever reason, 16 bytes of 0xff
* are returned instead.
*/
-static void cciss_get_serial_no(int ctlr, int logvol, int withirq,
+static void cciss_get_serial_no(int ctlr, int logvol,
unsigned char *serial_no, int buflen)
{
#define PAGE_83_INQ_BYTES 64
@@ -1759,12 +1753,8 @@ static void cciss_get_serial_no(int ctlr, int logvol, int withirq,
return;
memset(serial_no, 0, buflen);
log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol);
- if (withirq)
- rc = sendcmd_withirq(CISS_INQUIRY, ctlr, buf,
- PAGE_83_INQ_BYTES, 0x83, scsi3addr, TYPE_CMD);
- else
- rc = sendcmd(CISS_INQUIRY, ctlr, buf,
- PAGE_83_INQ_BYTES, 0x83, scsi3addr, TYPE_CMD);
+ rc = sendcmd_withirq(CISS_INQUIRY, ctlr, buf,
+ PAGE_83_INQ_BYTES, 0x83, scsi3addr, TYPE_CMD);
if (rc == IO_OK)
memcpy(serial_no, &buf[8], buflen);
kfree(buf);
@@ -1852,18 +1842,16 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time,
/* testing to see if 16-byte CDBs are already being used */
if (h->cciss_read == CCISS_READ_16) {
- cciss_read_capacity_16(h->ctlr, drv_index, 1,
+ cciss_read_capacity_16(h->ctlr, drv_index,
&total_size, &block_size);
} else {
- cciss_read_capacity(ctlr, drv_index, 1,
- &total_size, &block_size);
-
+ cciss_read_capacity(ctlr, drv_index, &total_size, &block_size);
/* if read_capacity returns all F's this volume is >2TB */
/* in size so we switch to 16-byte CDB's for all */
/* read/write ops */
if (total_size == 0xFFFFFFFFULL) {
- cciss_read_capacity_16(ctlr, drv_index, 1,
+ cciss_read_capacity_16(ctlr, drv_index,
&total_size, &block_size);
h->cciss_read = CCISS_READ_16;
h->cciss_write = CCISS_WRITE_16;
@@ -1873,14 +1861,14 @@ static void cciss_update_drive_info(int ctlr, int drv_index, int first_time,
}
}
- cciss_geometry_inquiry(ctlr, drv_index, 1, total_size, block_size,
+ cciss_geometry_inquiry(ctlr, drv_index, total_size, block_size,
inq_buff, drvinfo);
drvinfo->block_size = block_size;
drvinfo->nr_blocks = total_size + 1;
- cciss_get_device_descr(ctlr, drv_index, 1, drvinfo->vendor,
+ cciss_get_device_descr(ctlr, drv_index, drvinfo->vendor,
drvinfo->model, drvinfo->rev);
- cciss_get_serial_no(ctlr, drv_index, 1, drvinfo->serial_no,
+ cciss_get_serial_no(ctlr, drv_index, drvinfo->serial_no,
sizeof(drvinfo->serial_no));
/* Save the lunid in case we deregister the disk, below. */
memcpy(drvinfo->LunID, h->drv[drv_index]->LunID,
@@ -2674,7 +2662,7 @@ static int sendcmd_withirq(__u8 cmd, int ctlr, void *buff, size_t size,
}
static void cciss_geometry_inquiry(int ctlr, int logvol,
- int withirq, sector_t total_size,
+ sector_t total_size,
unsigned int block_size,
InquiryData_struct *inq_buff,
drive_info_struct *drv)
@@ -2685,14 +2673,8 @@ static void cciss_geometry_inquiry(int ctlr, int logvol,
memset(inq_buff, 0, sizeof(InquiryData_struct));
log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol);
- if (withirq)
- return_code = sendcmd_withirq(CISS_INQUIRY, ctlr,
- inq_buff, sizeof(*inq_buff),
- 0xC1, scsi3addr, TYPE_CMD);
- else
- return_code = sendcmd(CISS_INQUIRY, ctlr, inq_buff,
- sizeof(*inq_buff), 0xC1, scsi3addr,
- TYPE_CMD);
+ return_code = sendcmd_withirq(CISS_INQUIRY, ctlr, inq_buff,
+ sizeof(*inq_buff), 0xC1, scsi3addr, TYPE_CMD);
if (return_code == IO_OK) {
if (inq_buff->data_byte[8] == 0xFF) {
printk(KERN_WARNING
@@ -2725,7 +2707,7 @@ static void cciss_geometry_inquiry(int ctlr, int logvol,
}
static void
-cciss_read_capacity(int ctlr, int logvol, int withirq, sector_t *total_size,
+cciss_read_capacity(int ctlr, int logvol, sector_t *total_size,
unsigned int *block_size)
{
ReadCapdata_struct *buf;
@@ -2739,14 +2721,8 @@ cciss_read_capacity(int ctlr, int logvol, int withirq, sector_t *total_size,
}
log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol);
- if (withirq)
- return_code = sendcmd_withirq(CCISS_READ_CAPACITY,
- ctlr, buf, sizeof(ReadCapdata_struct),
- 0, scsi3addr, TYPE_CMD);
- else
- return_code = sendcmd(CCISS_READ_CAPACITY,
- ctlr, buf, sizeof(ReadCapdata_struct),
- 0, scsi3addr, TYPE_CMD);
+ return_code = sendcmd_withirq(CCISS_READ_CAPACITY, ctlr, buf,
+ sizeof(ReadCapdata_struct), 0, scsi3addr, TYPE_CMD);
if (return_code == IO_OK) {
*total_size = be32_to_cpu(*(__be32 *) buf->total_size);
*block_size = be32_to_cpu(*(__be32 *) buf->block_size);
@@ -2758,8 +2734,8 @@ cciss_read_capacity(int ctlr, int logvol, int withirq, sector_t *total_size,
kfree(buf);
}
-static void
-cciss_read_capacity_16(int ctlr, int logvol, int withirq, sector_t *total_size, unsigned int *block_size)
+static void cciss_read_capacity_16(int ctlr, int logvol,
+ sector_t *total_size, unsigned int *block_size)
{
ReadCapdata_struct_16 *buf;
int return_code;
@@ -2772,16 +2748,9 @@ cciss_read_capacity_16(int ctlr, int logvol, int withirq, sector_t *total_size,
}
log_unit_to_scsi3addr(hba[ctlr], scsi3addr, logvol);
- if (withirq) {
- return_code = sendcmd_withirq(CCISS_READ_CAPACITY_16,
- ctlr, buf, sizeof(ReadCapdata_struct_16),
- 0, scsi3addr, TYPE_CMD);
- }
- else {
- return_code = sendcmd(CCISS_READ_CAPACITY_16,
- ctlr, buf, sizeof(ReadCapdata_struct_16),
- 0, scsi3addr, TYPE_CMD);
- }
+ return_code = sendcmd_withirq(CCISS_READ_CAPACITY_16,
+ ctlr, buf, sizeof(ReadCapdata_struct_16),
+ 0, scsi3addr, TYPE_CMD);
if (return_code == IO_OK) {
*total_size = be64_to_cpu(*(__be64 *) buf->total_size);
*block_size = be32_to_cpu(*(__be32 *) buf->block_size);
@@ -2822,13 +2791,13 @@ static int cciss_revalidate(struct gendisk *disk)
return 1;
}
if (h->cciss_read == CCISS_READ_10) {
- cciss_read_capacity(h->ctlr, logvol, 1,
+ cciss_read_capacity(h->ctlr, logvol,
&total_size, &block_size);
} else {
- cciss_read_capacity_16(h->ctlr, logvol, 1,
+ cciss_read_capacity_16(h->ctlr, logvol,
&total_size, &block_size);
}
- cciss_geometry_inquiry(h->ctlr, logvol, 1, total_size, block_size,
+ cciss_geometry_inquiry(h->ctlr, logvol, total_size, block_size,
inq_buff, drv);
blk_queue_logical_block_size(drv->queue, drv->block_size);
--
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