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[SCSI] scsi_transport_iscsi: export iscsi class session's target_id in sysfs.

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Signed-off-by: Manish Rangankar <manish.rangankar@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudhary@qlogic.com>
Signed-off-by: James Bottomley <JBottomley@Parallels.com>
This commit is contained in:
Manish Rangankar 2012-11-23 06:58:41 -05:00 committed by James Bottomley
parent 3dd4849c25
commit 930a9f046c
1 changed files with 12 additions and 0 deletions
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12
drivers/scsi/scsi_transport_iscsi.c
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@ -2503,6 +2503,15 @@ show_priv_session_creator(struct device *dev, struct device_attribute *attr,
}
static ISCSI_CLASS_ATTR(priv_sess, creator, S_IRUGO, show_priv_session_creator,
NULL);
static ssize_t
show_priv_session_target_id(struct device *dev, struct device_attribute *attr,
char *buf)
{
struct iscsi_cls_session *session = iscsi_dev_to_session(dev->parent);
return sprintf(buf, "%d\n", session->target_id);
}
static ISCSI_CLASS_ATTR(priv_sess, target_id, S_IRUGO,
show_priv_session_target_id, NULL);
#define iscsi_priv_session_attr_show(field, format) \
static ssize_t \
@ -2575,6 +2584,7 @@ static struct attribute *iscsi_session_attrs[] = {
&dev_attr_priv_sess_creator.attr,
&dev_attr_sess_chap_out_idx.attr,
&dev_attr_sess_chap_in_idx.attr,
&dev_attr_priv_sess_target_id.attr,
NULL,
};
@ -2638,6 +2648,8 @@ static umode_t iscsi_session_attr_is_visible(struct kobject *kobj,
return S_IRUGO;
else if (attr == &dev_attr_priv_sess_creator.attr)
return S_IRUGO;
else if (attr == &dev_attr_priv_sess_target_id.attr)
return S_IRUGO;
else {
WARN_ONCE(1, "Invalid session attr");
return 0;