The request tag provides a concise identification of a SCSI
command, so we should be printing that out for scmd_printk().
Suggested-by: Christoph Hellwig <hch@xxxxxx>
Signed-off-by: Hannes Reinecke <hare@xxxxxxx>
---
drivers/scsi/scsi_logging.c | 9 ++++++---
1 file changed, 6 insertions(+), 3 deletions(-)
diff --git a/drivers/scsi/scsi_logging.c b/drivers/scsi/scsi_logging.c
index 8cdaddc..e07367e 100644
--- a/drivers/scsi/scsi_logging.c
+++ b/drivers/scsi/scsi_logging.c
@@ -18,13 +18,15 @@
#define SCSI_LOG_BUFSIZE 512
static void sdev_format_header(struct seq_buf *s, struct scsi_device *sdev,
- const char *disk_name)
+ const char *disk_name, int tag)
{
struct device *dev = &sdev->sdev_gendev;
s->len = dev_printk_header(s->buffer, s->size, dev);
if (disk_name)
seq_buf_printf(s, "[%s] ", disk_name);
+ if (tag >= 0)
+ seq_buf_printf(s, "tag#%d ", tag);
}
static int sdev_seq_printk(const char *level, struct scsi_device *sdev,
@@ -49,7 +51,7 @@ int sdev_prefix_printk(const char *level, struct scsi_device *sdev,
return 0;
seq_buf_init(&s, logbuf, SCSI_LOG_BUFSIZE);
- sdev_format_header(&s, sdev, name);
+ sdev_format_header(&s, sdev, name, -1);
va_start(args, fmt);
seq_buf_vprintf(&s, fmt, args);
va_end(args);
@@ -69,7 +71,8 @@ int scmd_printk(const char *level, struct scsi_cmnd *scmd,
return 0;
seq_buf_init(&s, logbuf, SCSI_LOG_BUFSIZE);
- sdev_format_header(&s, scmd->device, disk ? disk->disk_name : NULL);
+ sdev_format_header(&s, scmd->device, disk ? disk->disk_name : NULL,
+ scmd->request->tag);
va_start(args, fmt);
seq_buf_vprintf(&s, fmt, args);
va_end(args);
--
1.8.5.2
--
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