X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmgc%2Flproc_mgc.c;h=84cd38ba11cecdcd028a552fad46b9cbe4a9a3df;hb=bad5875f130be1ecdfbd1c3f24350ac5982faf74;hp=b712008a56558a51528e763fb794d6bca48f12fa;hpb=f2bf876ef77ed8eda2eeb1b78ead85c1a7a8f81e;p=fs%2Flustre-release.git

diff --git a/lustre/mgc/lproc_mgc.c b/lustre/mgc/lproc_mgc.c
index b712008..84cd38b 100644
--- a/lustre/mgc/lproc_mgc.c
+++ b/lustre/mgc/lproc_mgc.c
@@ -27,7 +27,6 @@
  */
 /*
  * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
  */
 #define DEBUG_SUBSYSTEM S_CLASS
 
@@ -54,7 +53,7 @@ static int mgc_ir_state_seq_show(struct seq_file *m, void *v)
 
 LDEBUGFS_SEQ_FOPS_RO(mgc_ir_state);
 
-struct lprocfs_vars lprocfs_mgc_obd_vars[] = {
+struct ldebugfs_vars ldebugfs_mgc_obd_vars[] = {
 	{ .name	=	"connect_flags",
 	  .fops	=	&mgc_connect_flags_fops	},
 	{ .name	=	"mgs_server_uuid",
@@ -72,12 +71,48 @@ struct lprocfs_vars lprocfs_mgc_obd_vars[] = {
 LUSTRE_ATTR(mgs_conn_uuid, 0444, conn_uuid_show, NULL);
 LUSTRE_RO_ATTR(conn_uuid);
 
-LUSTRE_WO_ATTR(ping);
+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,
 };
 
@@ -86,7 +121,7 @@ int mgc_tunables_init(struct obd_device *obd)
 	int rc;
 
 	obd->obd_ktype.default_attrs = mgc_attrs;
-	obd->obd_vars = lprocfs_mgc_obd_vars;
+	obd->obd_debugfs_vars = ldebugfs_mgc_obd_vars;
 	rc = lprocfs_obd_setup(obd, true);
 	if (rc)
 		return rc;