[PATCH 4/5] scsi_transport_iscsi: export iscsi class session's target_id in sysfs.

[vikas . chaudhary]

From: Manish Rangankar <manish.rangan...@qlogic.com>

Signed-off-by: Manish Rangankar <manish.rangan...@qlogic.com>
Signed-off-by: Vikas Chaudhary <vikas.chaudh...@qlogic.com>
---
 drivers/scsi/scsi_transport_iscsi.c |   12 ++++++++++++
 1 files changed, 12 insertions(+), 0 deletions(-)

diff --git a/drivers/scsi/scsi_transport_iscsi.c 
b/drivers/scsi/scsi_transport_iscsi.c
index 31969f2..dac7f8d 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -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;
-- 
1.7.8.GIT

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