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scsi_sysfs: add 'is_bin_visible' callback

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Add 'is_bin_visible' callback to blank out unsupported vpd pages.

Reviewed-by: Shane Seymour <shane.seymour@hpe.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Reviewed-by: Christoph Hellwig <hch@lst.de>
Signed-off-by: Hannes Reinecke <hare@suse.com>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>
This commit is contained in:
Hannes Reinecke 2016-03-03 07:41:24 +01:00 committed by Martin K. Petersen
parent fddbeb80a9
commit 7e47976bcf
1 changed files with 17 additions and 0 deletions
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17
drivers/scsi/scsi_sysfs.c
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@ -1023,6 +1023,22 @@ static umode_t scsi_sdev_attr_is_visible(struct kobject *kobj,
return attr->mode;
}
static umode_t scsi_sdev_bin_attr_is_visible(struct kobject *kobj,
struct bin_attribute *attr, int i)
{
struct device *dev = container_of(kobj, struct device, kobj);
struct scsi_device *sdev = to_scsi_device(dev);
if (attr == &dev_attr_vpd_pg80 && !sdev->vpd_pg80)
return 0;
if (attr == &dev_attr_vpd_pg83 && sdev->vpd_pg83)
return 0;
return S_IRUGO;
}
/* Default template for device attributes. May NOT be modified */
static struct attribute *scsi_sdev_attrs[] = {
&dev_attr_device_blocked.attr,
@ -1068,6 +1084,7 @@ static struct attribute_group scsi_sdev_attr_group = {
.attrs = scsi_sdev_attrs,
.bin_attrs = scsi_sdev_bin_attrs,
.is_visible = scsi_sdev_attr_is_visible,
.is_bin_visible = scsi_sdev_bin_attr_is_visible,
};
static const struct attribute_group *scsi_sdev_attr_groups[] = {