LU-10360 mgc: Use IR for client->MDS/OST connections

[fs/lustre-release.git] / lustre / mgc / lproc_mgc.c

diff --git a/lustre/mgc/lproc_mgc.c b/lustre/mgc/lproc_mgc.c
index f277d3e..74b6ec8 100644 (file)
--- a/lustre/mgc/lproc_mgc.c
+++ b/lustre/mgc/lproc_mgc.c
@@ -74,10 +74,46 @@ LUSTRE_RO_ATTR(conn_uuid);
 
 LUSTRE_RW_ATTR(ping);
 
+ssize_t dynamic_nids_show(struct kobject *kobj, struct attribute *attr,
+                         char *buf)
+{
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       ssize_t count;
+
+       ENTRY;
+       count = snprintf(buf, PAGE_SIZE, "%u\n", obd->obd_dynamic_nids);
+
+       RETURN(count);
+}
+
+ssize_t dynamic_nids_store(struct kobject *kobj, struct attribute *attr,
+                          const char *buffer, size_t count)
+{
+       struct obd_device *obd = container_of(kobj, struct obd_device,
+                                             obd_kset.kobj);
+       bool val;
+       int rc;
+
+       ENTRY;
+       rc = kstrtobool(buffer, &val);
+       if (rc)
+               return rc;
+
+       spin_lock(&obd->obd_dev_lock);
+       obd->obd_dynamic_nids = val;
+       spin_unlock(&obd->obd_dev_lock);
+
+       RETURN(count);
+}
+
+LUSTRE_RW_ATTR(dynamic_nids);
+
 static struct attribute *mgc_attrs[] = {
        &lustre_attr_mgs_conn_uuid.attr,
        &lustre_attr_conn_uuid.attr,
        &lustre_attr_ping.attr,
+       &lustre_attr_dynamic_nids.attr,
        NULL,
 };