Re: [PATCH] scsi: Enlarge log buffer length to 256

From: Li, Zhijian
Date: Tue Jun 28 2022 - 05:38:22 EST



Sorry for the late reply. (Strange! this reply didn't arrive to my mailbox)

On Fri, 24 Jun 2022, Li Zhijian wrote:

> scsi_report_sense() is possble to print messages exceeding 128 bytes: > [ 475.156955] sd 9:0:0:0: Warning! Received an indication that the LUN assignments on this target have changed. The Linux SCSI layer does not automatical > > Signed-off-by: Li Zhijian <lizhijian@xxxxxxxxxxx> > --- > drivers/scsi/scsi_logging.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/drivers/scsi/scsi_logging.c b/drivers/scsi/scsi_logging.c > index b02af340c2d3..edc3fe8c7e0f 100644 > --- a/drivers/scsi/scsi_logging.c > +++ b/drivers/scsi/scsi_logging.c > @@ -17,7 +17,7 @@ > > static char *scsi_log_reserve_buffer(size_t *len) > { > - *len = 128; > + *len = 256; > return kmalloc(*len, GFP_ATOMIC); > } >
Perhaps it's better to waste fewer words (both kinds). E.g.
Yes, it's an option. if no objection, i will apply your suggestion in 24h later. hahaha :)

Thanks
Zhijian



diff --git a/drivers/scsi/scsi_error.c b/drivers/scsi/scsi_error.c index 49ef864df581..e7283bf23db3 100644 --- a/drivers/scsi/scsi_error.c +++ b/drivers/scsi/scsi_error.c @@ -463,13 +463,11 @@ static void scsi_report_sense(struct scsi_device *sdev, evt_type = SDEV_EVT_LUN_CHANGE_REPORTED;
scsi_report_lun_change(sdev);
sdev_printk(KERN_WARNING, sdev,
- "Warning! Received an indication that the " "LUN assignments on this target have "
"changed. The Linux SCSI layer does not "
"automatically remap LUN assignments.\n");
} else if (sshdr->asc == 0x3f)
sdev_printk(KERN_WARNING, sdev,
- "Warning! Received an indication that the " "operating parameters on this target have "
"changed. The Linux SCSI layer does not "
"automatically adjust these parameters.\n");