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

Hannes Reinecke
2014-08-27T13:59:15Z

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@hitachi.com>
> Cc: Hannes Reinecke <hare@suse.de>
> Cc: Doug Gilbert <dgilbert@interlog.com>
> Cc: Martin K. Petersen <martin.petersen@oracle.com>
> Cc: Christoph Hellwig <hch@lst.de>
> Cc: "James E.J. Bottomley" <JBottomley@parallels.com>
> Cc: Hidehiro Kawai <hidehiro.kawai.ez@hitachi.com>
> Cc: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
> ---
> 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@suse.de +49 911 74053 688
SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: J. Hawn, J. Guild, F. Imendörffer, HRB 16746 (AG Nürnberg)