scsi: Implement ch_printk()
Update the ch driver to use dev_printk() variants instead of
plain printk(); this will prefix logging messages with the
appropriate device.
Signed-off-by: Hannes Reinecke <hare@suse.de>
Reviewed-by: Martin K. Petersen <martin.petersen@oracle.com>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
diff --git a/drivers/scsi/ch.c b/drivers/scsi/ch.c
index 7e952ca..ef5ae0d 100644
--- a/drivers/scsi/ch.c
+++ b/drivers/scsi/ch.c
@@ -84,15 +84,19 @@
};
// module_param_string_array(vendor_labels, NULL, 0444);
+#define ch_printk(prefix, ch, fmt, a...) \
+ sdev_printk(prefix, (ch)->device, "[%s] " fmt, \
+ (ch)->name, ##a)
+
#define DPRINTK(fmt, arg...) \
do { \
if (debug) \
- printk(KERN_DEBUG "%s: " fmt, ch->name, ##arg); \
+ ch_printk(KERN_DEBUG, ch, fmt, ##arg); \
} while (0)
#define VPRINTK(level, fmt, arg...) \
do { \
if (verbose) \
- printk(level "%s: " fmt, ch->name, ##arg); \
+ ch_printk(level, ch, fmt, ##arg); \
} while (0)
/* ------------------------------------------------------------------- */
@@ -196,7 +200,7 @@
__scsi_print_command(cmd);
}
- result = scsi_execute_req(ch->device, cmd, direction, buffer,
+ result = scsi_execute_req(ch->device, cmd, direction, buffer,
buflength, &sshdr, timeout * HZ,
MAX_RETRIES, NULL);
@@ -924,8 +928,8 @@
MKDEV(SCSI_CHANGER_MAJOR, ch->minor), ch,
"s%s", ch->name);
if (IS_ERR(class_dev)) {
- printk(KERN_WARNING "ch%d: device_create failed\n",
- ch->minor);
+ sdev_printk(KERN_WARNING, sd, "ch%d: device_create failed\n",
+ ch->minor);
ret = PTR_ERR(class_dev);
goto remove_idr;
}