Hi,
The following patch is a fix for the timeout/delay passed to
scheduled_delayed_work.
Regards,
Shivaram U
commit 1e0ea25bb6c834c1f4b2485f49d36a6c314cb7a4
Author: Shivaram U <shivara...@quadstor.com>
Date: Tue Dec 10 15:38:14 2013 +0530
Fix schedule_delayed_work() timeout calculations
Signed-off-by: Shivaram U <shivara...@quadstor.com>
diff --git a/drivers/scsi/qla2xxx/qla_target.c
b/drivers/scsi/qla2xxx/qla_target.c
index 5964800..3bb0a1d 100644
--- a/drivers/scsi/qla2xxx/qla_target.c
+++ b/drivers/scsi/qla2xxx/qla_target.c
@@ -471,7 +471,7 @@ static void qlt_schedule_sess_for_deletion(struct
qla_tgt_sess *sess,
schedule_delayed_work(&tgt->sess_del_work, 0);
else
schedule_delayed_work(&tgt->sess_del_work,
- jiffies - sess->expires);
+ sess->expires - jiffies);
}
/* ha->hardware_lock supposed to be held on entry */
@@ -550,13 +550,14 @@ static void qlt_del_sess_work_fn(struct
delayed_work *work)
struct scsi_qla_host *vha = tgt->vha;
struct qla_hw_data *ha = vha->hw;
struct qla_tgt_sess *sess;
- unsigned long flags;
+ unsigned long flags, elapsed;
spin_lock_irqsave(&ha->hardware_lock, flags);
while (!list_empty(&tgt->del_sess_list)) {
sess = list_entry(tgt->del_sess_list.next, typeof(*sess),
del_list_entry);
- if (time_after_eq(jiffies, sess->expires)) {
+ elapsed = jiffies;
+ if (time_after_eq(elapsed, sess->expires)) {
qlt_undelete_sess(sess);
ql_dbg(ql_dbg_tgt_mgt, vha, 0xf004,
@@ -566,7 +567,7 @@ static void qlt_del_sess_work_fn(struct delayed_work *work)
ha->tgt.tgt_ops->put_sess(sess);
} else {
schedule_delayed_work(&tgt->sess_del_work,
- jiffies - sess->expires);
+ sess->expires - elapsed);
break;
}
}
--
QUADStor Open Source Storage Virtualization : Thin Provisioning, Data
Deduplication, VAAI, High Availability, Virtual Tape Library
http://www.quadstor.com
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