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scsi: log request tag for scmd_printk()

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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@lst.de>
Tested-by: Robert Elliott <elliott@hp.com>
Reviewed-by: Robert Elliott <elliott@hp.com>
Signed-off-by: Hannes Reinecke <hare@suse.de>
Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Hannes Reinecke 2015-01-08 07:43:43 +01:00 committed by Christoph Hellwig
parent ded85c193a
commit aa66ab35f2
1 changed files with 4 additions and 0 deletions
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4
drivers/scsi/scsi_logging.c
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@ -114,6 +114,10 @@ int scmd_printk(const char *level, const struct scsi_cmnd *scmd,
if (disk)
off += scnprintf(logbuf + off, logbuf_len - off,
"[%s] ", disk->disk_name);
if (scmd->request->tag >= 0)
off += scnprintf(logbuf + off, logbuf_len - off,
"tag#%d ", scmd->request->tag);
va_start(args, fmt);
off += vscnprintf(logbuf + off, logbuf_len - off, fmt, args);
va_end(args);