Re: [RFC PATCH 04/10] scsi/constants: Cleanup printk message in scsi_dump_sense_buffer()

From: Hannes Reinecke
Date: Wed Aug 27 2014 - 09:59:20 EST


On 08/08/2014 01:50 PM, Yoshihiro YUNOMAE wrote:
Unrecognized sense data should be output after linebuf is filled because
"[%s] Unrecognized sense data (in hex): %s" message is output many times in
loop.

Signed-off-by: Yoshihiro YUNOMAE <yoshihiro.yunomae.ez@xxxxxxxxxxx>
Cc: Hannes Reinecke <hare@xxxxxxx>
Cc: Doug Gilbert <dgilbert@xxxxxxxxxxxx>
Cc: Martin K. Petersen <martin.petersen@xxxxxxxxxx>
Cc: Christoph Hellwig <hch@xxxxxx>
Cc: "James E.J. Bottomley" <JBottomley@xxxxxxxxxxxxx>
Cc: Hidehiro Kawai <hidehiro.kawai.ez@xxxxxxxxxxx>
Cc: Masami Hiramatsu <masami.hiramatsu.pt@xxxxxxxxxxx>
---
drivers/scsi/constants.c | 13 +++++--------
1 file changed, 5 insertions(+), 8 deletions(-)

diff --git a/drivers/scsi/constants.c b/drivers/scsi/constants.c
index 5956d4d..6fad6b4 100644
--- a/drivers/scsi/constants.c
+++ b/drivers/scsi/constants.c
@@ -1385,16 +1385,13 @@ EXPORT_SYMBOL(scsi_print_sense_hdr);

static void
scsi_dump_sense_buffer(struct scsi_device *sdev, const char *prefix,
- const unsigned char *sense_buffer, int sense_len,
- struct scsi_sense_hdr *sshdr)
+ const unsigned char *sense_buffer, int sense_len)
{
char linebuf[128];
int i, linelen, remaining;

if (sense_len < 32)
sense_len = 32;
- sdev_printk(KERN_INFO, sdev,
- "[%s] Unrecognized sense data (in hex):", prefix);

remaining = sense_len;
for (i = 0; i < sense_len; i += 16) {
@@ -1403,9 +1400,10 @@ scsi_dump_sense_buffer(struct scsi_device *sdev, const char *prefix,

hex_dump_to_buffer(sense_buffer + i, linelen, 16, 1,
linebuf, sizeof(linebuf), false);
- sdev_printk(KERN_INFO, sdev, "[%s] Sense: %s\n",
- prefix, linebuf);
}
+ sdev_printk(KERN_INFO, sdev,
+ "[%s] Unrecognized sense data (in hex): %s",
+ prefix, linebuf);
}

static void
@@ -1467,8 +1465,7 @@ void __scsi_print_sense(struct scsi_device *sdev, const char *name,

if (!scsi_normalize_sense(sense_buffer, sense_len, &sshdr)) {
/* this may be SCSI-1 sense data */
- scsi_dump_sense_buffer(sdev, name, sense_buffer,
- sense_len, &sshdr);
+ scsi_dump_sense_buffer(sdev, name, sense_buffer, sense_len);
return;
}


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As discussed this patch is invalid.

Cheers,

Hannes
--
Dr. Hannes Reinecke zSeries & Storage
hare@xxxxxxx +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 NÃrnberg
GF: J. Hawn, J. Guild, F. ImendÃrffer, HRB 16746 (AG NÃrnberg)
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