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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-10 10:36:08 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-10 10:36:08 -0800
commitd04baa157d1b35cbd27c87b4a13111d9675b61f3 (patch)
treec46966fbea1c34bed2bd38629ce948d5a088281c /drivers/scsi/scsi_transport_iscsi.c
parent88266917b518e2ca954d85983470592aaaf82993 (diff)
parent5c41dc3a79150e93e5d050871a10b761be8281a1 (diff)
Merge tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6
SCSI updates for post 3.2 merge window * tag 'scsi-misc' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi-misc-2.6: (67 commits) [SCSI] lpfc 8.3.28: Update driver version to 8.3.28 [SCSI] lpfc 8.3.28: Add Loopback support for SLI4 adapters [SCSI] lpfc 8.3.28: Critical Miscellaneous fixes [SCSI] Lpfc 8.3.28: FC and SCSI Discovery Fixes [SCSI] lpfc 8.3.28: Add support for ABTS failure handling [SCSI] lpfc 8.3.28: SLI fixes and added SLI4 support [SCSI] lpfc 8.3.28: Miscellaneous fixes in sysfs and mgmt interfaces [SCSI] mpt2sas: Removed redundant calling of _scsih_probe_devices() from _scsih_probe [SCSI] mac_scsi: Remove obsolete IRQ_FLG_* users [SCSI] qla4xxx: Update driver version to 5.02.00-k10 [SCSI] qla4xxx: check for FW alive before calling chip_reset [SCSI] qla4xxx: Fix qla4xxx_dump_buffer to dump buffer correctly [SCSI] qla4xxx: Fix the IDC locking mechanism [SCSI] qla4xxx: Wait for disable_acb before doing set_acb [SCSI] qla4xxx: Don't recover adapter if device state is FAILED [SCSI] qla4xxx: fix call trace on rmmod with ql4xdontresethba=1 [SCSI] qla4xxx: Fix CPU lockups when ql4xdontresethba set [SCSI] qla4xxx: Perform context resets in case of context failures. [SCSI] iscsi class: export pid of process that created [SCSI] mpt2sas: Remove unused duplicate diag_buffer_enable param ...
Diffstat (limited to 'drivers/scsi/scsi_transport_iscsi.c')
-rw-r--r--drivers/scsi/scsi_transport_iscsi.c21
1 files changed, 19 insertions, 2 deletions
diff --git a/drivers/scsi/scsi_transport_iscsi.c b/drivers/scsi/scsi_transport_iscsi.c
index e8447fbc31f..cfd49143723 100644
--- a/drivers/scsi/scsi_transport_iscsi.c
+++ b/drivers/scsi/scsi_transport_iscsi.c
@@ -1030,6 +1030,7 @@ iscsi_alloc_session(struct Scsi_Host *shost, struct iscsi_transport *transport,
return NULL;
session->transport = transport;
+ session->creator = -1;
session->recovery_tmo = 120;
session->state = ISCSI_SESSION_FREE;
INIT_DELAYED_WORK(&session->recovery_work, session_recovery_timedout);
@@ -1634,8 +1635,9 @@ EXPORT_SYMBOL_GPL(iscsi_session_event);
static int
iscsi_if_create_session(struct iscsi_internal *priv, struct iscsi_endpoint *ep,
- struct iscsi_uevent *ev, uint32_t initial_cmdsn,
- uint16_t cmds_max, uint16_t queue_depth)
+ struct iscsi_uevent *ev, pid_t pid,
+ uint32_t initial_cmdsn, uint16_t cmds_max,
+ uint16_t queue_depth)
{
struct iscsi_transport *transport = priv->iscsi_transport;
struct iscsi_cls_session *session;
@@ -1646,6 +1648,7 @@ iscsi_if_create_session(struct iscsi_internal *priv, struct iscsi_endpoint *ep,
if (!session)
return -ENOMEM;
+ session->creator = pid;
shost = iscsi_session_to_shost(session);
ev->r.c_session_ret.host_no = shost->host_no;
ev->r.c_session_ret.sid = session->sid;
@@ -1938,6 +1941,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group)
switch (nlh->nlmsg_type) {
case ISCSI_UEVENT_CREATE_SESSION:
err = iscsi_if_create_session(priv, ep, ev,
+ NETLINK_CREDS(skb)->pid,
ev->u.c_session.initial_cmdsn,
ev->u.c_session.cmds_max,
ev->u.c_session.queue_depth);
@@ -1950,6 +1954,7 @@ iscsi_if_recv_msg(struct sk_buff *skb, struct nlmsghdr *nlh, uint32_t *group)
}
err = iscsi_if_create_session(priv, ep, ev,
+ NETLINK_CREDS(skb)->pid,
ev->u.c_bound_session.initial_cmdsn,
ev->u.c_bound_session.cmds_max,
ev->u.c_bound_session.queue_depth);
@@ -2298,6 +2303,15 @@ show_priv_session_state(struct device *dev, struct device_attribute *attr,
}
static ISCSI_CLASS_ATTR(priv_sess, state, S_IRUGO, show_priv_session_state,
NULL);
+static ssize_t
+show_priv_session_creator(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->creator);
+}
+static ISCSI_CLASS_ATTR(priv_sess, creator, S_IRUGO, show_priv_session_creator,
+ NULL);
#define iscsi_priv_session_attr_show(field, format) \
static ssize_t \
@@ -2367,6 +2381,7 @@ static struct attribute *iscsi_session_attrs[] = {
&dev_attr_sess_targetalias.attr,
&dev_attr_priv_sess_recovery_tmo.attr,
&dev_attr_priv_sess_state.attr,
+ &dev_attr_priv_sess_creator.attr,
NULL,
};
@@ -2424,6 +2439,8 @@ static umode_t iscsi_session_attr_is_visible(struct kobject *kobj,
return S_IRUGO | S_IWUSR;
else if (attr == &dev_attr_priv_sess_state.attr)
return S_IRUGO;
+ else if (attr == &dev_attr_priv_sess_creator.attr)
+ return S_IRUGO;
else {
WARN_ONCE(1, "Invalid session attr");
return 0;