[PATCH] drivers/scsi/ch.c: Don't use vprintk as macro

From: Joe Perches
Date: Sun Feb 28 2010 - 16:30:56 EST

Next message: Stefani Seibold: "[PATCH] Fix race condition in drivers/base/dd.c"
Previous message: Linus Torvalds: "Re: [git pull] PCI changes for 2.6.34"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]

It's an exported symbol of kernel/printk.c

Rename vprintk and dprintk macros to more common VPRINTK and DPRINTK
Add do { } while(0) around macros
Add level to VPRINTK so KERN_CONT can be used a couple of times.

Signed-off-by: Joe Perches <joe@xxxxxxxxxxx>
drivers/scsi/ch.c | 87 +++++++++++++++++++++++++++--------------------------
1 files changed, 44 insertions(+), 43 deletions(-)

diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index fe11c1d..5bd396f 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -83,10 +83,16 @@ static const char * vendor_labels[CH_TYPES-4] = {
};
// module_param_string_array(vendor_labels, NULL, 0444);

-#define dprintk(fmt, arg...) if (debug) \
- printk(KERN_DEBUG "%s: " fmt, ch->name , ## arg)
-#define vprintk(fmt, arg...) if (verbose) \
- printk(KERN_INFO "%s: " fmt, ch->name , ## arg)
+#define DPRINTK(fmt, arg...) \
+do { \
+ if (debug) \
+ printk(KERN_DEBUG "%s: " fmt, ch->name, ##arg); \
+} while (0)
+#define VPRINTK(level, fmt, arg...) \
+do { \
+ if (verbose) \
+ printk(level "%s: " fmt, ch->name, ##arg); \
+} while (0)

/* ------------------------------------------------------------------- */

@@ -185,7 +191,7 @@ ch_do_scsi(scsi_changer *ch, unsigned char *cmd,
retry:
errno = 0;
if (debug) {
- dprintk("command: ");
+ DPRINTK("command: ");
__scsi_print_command(cmd);
}

@@ -193,7 +199,7 @@ ch_do_scsi(scsi_changer *ch, unsigned char *cmd,
buflength, &sshdr, timeout * HZ,
MAX_RETRIES, NULL);

- dprintk("result: 0x%x\n",result);
+ DPRINTK("result: 0x%x\n",result);
if (driver_byte(result) & DRIVER_SENSE) {
if (debug)
scsi_print_sense_hdr(ch->name, &sshdr);
@@ -249,7 +255,7 @@ ch_read_element_status(scsi_changer *ch, u_int elem, char *data)
cmd[9] = 255;
if (0 == (result = ch_do_scsi(ch, cmd, buffer, 256, DMA_FROM_DEVICE))) {
if (((buffer[16] << 8) | buffer[17]) != elem) {
- dprintk("asked for element 0x%02x, got 0x%02x\n",
+ DPRINTK("asked for element 0x%02x, got 0x%02x\n",
elem,(buffer[16] << 8) | buffer[17]);
kfree(buffer);
return -EIO;
@@ -258,10 +264,10 @@ ch_read_element_status(scsi_changer *ch, u_int elem, char *data)
} else {
if (ch->voltags) {
ch->voltags = 0;
- vprintk("device has no volume tag support\n");
+ VPRINTK(KERN_INFO, "device has no volume tag support\n");
goto retry;
}
- dprintk("READ ELEMENT STATUS for element 0x%x failed\n",elem);
+ DPRINTK("READ ELEMENT STATUS for element 0x%x failed\n",elem);
}
kfree(buffer);
return result;
@@ -273,12 +279,12 @@ ch_init_elem(scsi_changer *ch)
int err;
u_char cmd[6];

- vprintk("INITIALIZE ELEMENT STATUS, may take some time ...\n");
+ VPRINTK(KERN_INFO, "INITIALIZE ELEMENT STATUS, may take some time ...\n");
memset(cmd,0,sizeof(cmd));
cmd[0] = INITIALIZE_ELEMENT_STATUS;
cmd[1] = ch->device->lun << 5;
err = ch_do_scsi(ch, cmd, NULL, 0, DMA_NONE);
- vprintk("... finished\n");
+ VPRINTK(KERN_INFO, "... finished\n");
return err;
}

@@ -321,20 +327,20 @@ ch_readconfig(scsi_changer *ch)
(buffer[buffer[3]+18] << 8) | buffer[buffer[3]+19];
ch->counts[CHET_DT] =
(buffer[buffer[3]+20] << 8) | buffer[buffer[3]+21];
- vprintk("type #1 (mt): 0x%x+%d [medium transport]\n",
+ VPRINTK(KERN_INFO, "type #1 (mt): 0x%x+%d [medium transport]\n",
ch->firsts[CHET_MT],
ch->counts[CHET_MT]);
- vprintk("type #2 (st): 0x%x+%d [storage]\n",
+ VPRINTK(KERN_INFO, "type #2 (st): 0x%x+%d [storage]\n",
ch->firsts[CHET_ST],
ch->counts[CHET_ST]);
- vprintk("type #3 (ie): 0x%x+%d [import/export]\n",
+ VPRINTK(KERN_INFO, "type #3 (ie): 0x%x+%d [import/export]\n",
ch->firsts[CHET_IE],
ch->counts[CHET_IE]);
- vprintk("type #4 (dt): 0x%x+%d [data transfer]\n",
+ VPRINTK(KERN_INFO, "type #4 (dt): 0x%x+%d [data transfer]\n",
ch->firsts[CHET_DT],
ch->counts[CHET_DT]);
} else {
- vprintk("reading element address assigment page failed!\n");
+ VPRINTK(KERN_INFO, "reading element address assigment page failed!\n");
}

/* vendor specific element types */
@@ -345,7 +351,7 @@ ch_readconfig(scsi_changer *ch)
continue;
ch->firsts[CHET_V1+i] = vendor_firsts[i];
ch->counts[CHET_V1+i] = vendor_counts[i];
- vprintk("type #%d (v%d): 0x%x+%d [%s, vendor specific]\n",
+ VPRINTK(KERN_INFO, "type #%d (v%d): 0x%x+%d [%s, vendor specific]\n",
i+5,i+1,vendor_firsts[i],vendor_counts[i],
vendor_labels[i]);
}
@@ -365,21 +371,19 @@ ch_readconfig(scsi_changer *ch)
if (elem < CH_DT_MAX && -1 != dt_id[elem]) {
id = dt_id[elem];
lun = dt_lun[elem];
- vprintk("dt 0x%x: [insmod option] ",
+ VPRINTK(KERN_INFO, "dt 0x%x: [insmod option] ",
elem+ch->firsts[CHET_DT]);
} else if (0 != ch_read_element_status
(ch,elem+ch->firsts[CHET_DT],data)) {
- vprintk("dt 0x%x: READ ELEMENT STATUS failed\n",
+ VPRINTK(KERN_INFO, "dt 0x%x: READ ELEMENT STATUS failed\n",
elem+ch->firsts[CHET_DT]);
} else {
- vprintk("dt 0x%x: ",elem+ch->firsts[CHET_DT]);
+ VPRINTK(KERN_INFO, "dt 0x%x: ",elem+ch->firsts[CHET_DT]);
if (data[6] & 0x80) {
- if (verbose)
- printk("not this SCSI bus\n");
+ VPRINTK(KERN_CONT, "not this SCSI bus\n");
ch->dt[elem] = NULL;
} else if (0 == (data[6] & 0x30)) {
- if (verbose)
- printk("ID/LUN unknown\n");
+ VPRINTK(KERN_CONT, "ID/LUN unknown\n");
ch->dt[elem] = NULL;
} else {
id = ch->device->id;
@@ -389,22 +393,19 @@ ch_readconfig(scsi_changer *ch)
}
}
if (-1 != id) {
- if (verbose)
- printk("ID %i, LUN %i, ",id,lun);
+ VPRINTK(KERN_CONT, "ID %i, LUN %i, ",id,lun);
ch->dt[elem] =
scsi_device_lookup(ch->device->host,
ch->device->channel,
id,lun);
if (!ch->dt[elem]) {
/* should not happen */
- if (verbose)
- printk("Huh? device not found!\n");
+ VPRINTK(KERN_CONT, "Huh? device not found!\n");
} else {
- if (verbose)
- printk("name: %8.8s %16.16s %4.4s\n",
- ch->dt[elem]->vendor,
- ch->dt[elem]->model,
- ch->dt[elem]->rev);
+ VPRINTK(KERN_CONT, "name: %8.8s %16.16s %4.4s\n",
+ ch->dt[elem]->vendor,
+ ch->dt[elem]->model,
+ ch->dt[elem]->rev);
}
}
}
@@ -421,7 +422,7 @@ ch_position(scsi_changer *ch, u_int trans, u_int elem, int rotate)
{
u_char cmd[10];

- dprintk("position: 0x%x\n",elem);
+ DPRINTK("position: 0x%x\n",elem);
if (0 == trans)
trans = ch->firsts[CHET_MT];
memset(cmd,0,sizeof(cmd));
@@ -440,7 +441,7 @@ ch_move(scsi_changer *ch, u_int trans, u_int src, u_int dest, int rotate)
{
u_char cmd[12];

- dprintk("move: 0x%x => 0x%x\n",src,dest);
+ DPRINTK("move: 0x%x => 0x%x\n",src,dest);
if (0 == trans)
trans = ch->firsts[CHET_MT];
memset(cmd,0,sizeof(cmd));
@@ -462,7 +463,7 @@ ch_exchange(scsi_changer *ch, u_int trans, u_int src,
{
u_char cmd[12];

- dprintk("exchange: 0x%x => 0x%x => 0x%x\n",
+ DPRINTK("exchange: 0x%x => 0x%x => 0x%x\n",
src,dest1,dest2);
if (0 == trans)
trans = ch->firsts[CHET_MT];
@@ -510,7 +511,7 @@ ch_set_voltag(scsi_changer *ch, u_int elem,
if (!buffer)
return -ENOMEM;

- dprintk("%s %s voltag: 0x%x => \"%s\"\n",
+ DPRINTK("%s %s voltag: 0x%x => \"%s\"\n",
clear ? "clear" : "set",
alternate ? "alternate" : "primary",
elem, tag);
@@ -549,7 +550,7 @@ static int ch_gstatus(scsi_changer *ch, int type, unsigned char __user *dest)
}
put_user(data[2], dest+i);
if (data[2] & CESTATUS_EXCEPT)
- vprintk("element 0x%x: asc=0x%x, ascq=0x%x\n",
+ VPRINTK(KERN_INFO, "element 0x%x: asc=0x%x, ascq=0x%x\n",
ch->firsts[type]+i,
(int)data[4],(int)data[5]);
retval = ch_read_element_status
@@ -659,7 +660,7 @@ static long ch_ioctl(struct file *file,
return -EFAULT;

if (0 != ch_checkrange(ch, pos.cp_type, pos.cp_unit)) {
- dprintk("CHIOPOSITION: invalid parameter\n");
+ DPRINTK("CHIOPOSITION: invalid parameter\n");
return -EBADSLT;
}
mutex_lock(&ch->lock);
@@ -679,7 +680,7 @@ static long ch_ioctl(struct file *file,

if (0 != ch_checkrange(ch, mv.cm_fromtype, mv.cm_fromunit) ||
0 != ch_checkrange(ch, mv.cm_totype, mv.cm_tounit )) {
- dprintk("CHIOMOVE: invalid parameter\n");
+ DPRINTK("CHIOMOVE: invalid parameter\n");
return -EBADSLT;
}

@@ -702,7 +703,7 @@ static long ch_ioctl(struct file *file,
if (0 != ch_checkrange(ch, mv.ce_srctype, mv.ce_srcunit ) ||
0 != ch_checkrange(ch, mv.ce_fdsttype, mv.ce_fdstunit) ||
0 != ch_checkrange(ch, mv.ce_sdsttype, mv.ce_sdstunit)) {
- dprintk("CHIOEXCHANGE: invalid parameter\n");
+ DPRINTK("CHIOEXCHANGE: invalid parameter\n");
return -EBADSLT;
}

@@ -795,7 +796,7 @@ static long ch_ioctl(struct file *file,
}
} else if (ch->voltags) {
ch->voltags = 0;
- vprintk("device has no volume tag support\n");
+ VPRINTK(KERN_INFO, "device has no volume tag support\n");
goto voltag_retry;
}
kfree(buffer);
@@ -823,7 +824,7 @@ static long ch_ioctl(struct file *file,
return -EFAULT;

if (0 != ch_checkrange(ch, csv.csv_type, csv.csv_unit)) {
- dprintk("CHIOSVOLTAG: invalid parameter\n");
+ DPRINTK("CHIOSVOLTAG: invalid parameter\n");
return -EBADSLT;
}
elem = ch->firsts[csv.csv_type] + csv.csv_unit;

--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@xxxxxxxxxxxxxxx
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

Next message: Stefani Seibold: "[PATCH] Fix race condition in drivers/base/dd.c"
Previous message: Linus Torvalds: "Re: [git pull] PCI changes for 2.6.34"
Messages sorted by: [ date ] [ thread ] [ subject ] [ author ]