X-Git-Url: https://git.whamcloud.com/?a=blobdiff_plain;f=lustre%2Fmgc%2Flproc_mgc.c;h=f277d3e489e7022529982b390e8af97bb072130e;hb=HEAD;hp=912c151e9fef3c8a8427fcd12749ad5e38d19d43;hpb=ccabce23bd9e366c345c852f565766a799f61238;p=fs%2Flustre-release.git

diff --git a/lustre/mgc/lproc_mgc.c b/lustre/mgc/lproc_mgc.c
index 912c151..3490c64 100644
--- a/lustre/mgc/lproc_mgc.c
+++ b/lustre/mgc/lproc_mgc.c
@@ -1,34 +1,16 @@
-/*
- * GPL HEADER START
- *
- * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 only,
- * as published by the Free Software Foundation.
- *
- * This program is distributed in the hope that it will be useful, but
- * WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * General Public License version 2 for more details (a copy is included
- * in the LICENSE file that accompanied this code).
- *
- * You should have received a copy of the GNU General Public License
- * version 2 along with this program; If not, see
- * http://www.gnu.org/licenses/gpl-2.0.html
- *
- * GPL HEADER END
- */
+// SPDX-License-Identifier: GPL-2.0
+
 /*
  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
  * Use is subject to license terms.
  *
  * Copyright (c) 2011, 2017, Intel Corporation.
  */
+
 /*
  * This file is part of Lustre, http://www.lustre.org/
- * Lustre is a trademark of Sun Microsystems, Inc.
  */
+
 #define DEBUG_SUBSYSTEM S_CLASS
 
 #include <linux/version.h>
@@ -39,30 +21,26 @@
 
 #ifdef CONFIG_PROC_FS
 
-LPROC_SEQ_FOPS_RO_TYPE(mgc, connect_flags);
-LPROC_SEQ_FOPS_RO_TYPE(mgc, server_uuid);
-LPROC_SEQ_FOPS_RO_TYPE(mgc, conn_uuid);
-LPROC_SEQ_FOPS_RO_TYPE(mgc, import);
-LPROC_SEQ_FOPS_RO_TYPE(mgc, state);
+LDEBUGFS_SEQ_FOPS_RO_TYPE(mgc, connect_flags);
+
+LDEBUGFS_SEQ_FOPS_RO_TYPE(mgc, server_uuid);
+
+LDEBUGFS_SEQ_FOPS_RO_TYPE(mgc, import);
 
-LPROC_SEQ_FOPS_WR_ONLY(mgc, ping);
+LDEBUGFS_SEQ_FOPS_RO_TYPE(mgc, state);
 
 static int mgc_ir_state_seq_show(struct seq_file *m, void *v)
 {
 	return lprocfs_mgc_rd_ir_state(m, m->private);
 }
-LPROC_SEQ_FOPS_RO(mgc_ir_state);
 
-struct lprocfs_vars lprocfs_mgc_obd_vars[] = {
-	{ .name	=	"ping",
-	  .fops	=	&mgc_ping_fops,
-	  .proc_mode =	0222			},
+LDEBUGFS_SEQ_FOPS_RO(mgc_ir_state);
+
+struct ldebugfs_vars ldebugfs_mgc_obd_vars[] = {
 	{ .name	=	"connect_flags",
 	  .fops	=	&mgc_connect_flags_fops	},
 	{ .name	=	"mgs_server_uuid",
 	  .fops	=	&mgc_server_uuid_fops	},
-	{ .name	=	"mgs_conn_uuid",
-	  .fops	=	&mgc_conn_uuid_fops	},
 	{ .name	=	"import",
 	  .fops	=	&mgc_import_fops	},
 	{ .name	=	"state",
@@ -72,3 +50,73 @@ struct lprocfs_vars lprocfs_mgc_obd_vars[] = {
 	{ NULL }
 };
 #endif /* CONFIG_PROC_FS */
+
+LUSTRE_ATTR(mgs_conn_uuid, 0444, conn_uuid_show, NULL);
+LUSTRE_RO_ATTR(conn_uuid);
+
+LUSTRE_RW_ATTR(ping);
+
+static 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);
+}
+
+static 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);
+
+LUSTRE_OBD_UINT_PARAM_ATTR(at_min);
+LUSTRE_OBD_UINT_PARAM_ATTR(at_max);
+LUSTRE_OBD_UINT_PARAM_ATTR(at_history);
+
+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,
+	&lustre_attr_at_min.attr,
+	&lustre_attr_at_max.attr,
+	&lustre_attr_at_history.attr,
+	NULL,
+};
+
+KOBJ_ATTRIBUTE_GROUPS(mgc);
+
+int mgc_tunables_init(struct obd_device *obd)
+{
+	int rc;
+
+	obd->obd_ktype.default_groups = KOBJ_ATTR_GROUPS(mgc);
+	obd->obd_debugfs_vars = ldebugfs_mgc_obd_vars;
+	rc = lprocfs_obd_setup(obd, true);
+	if (rc)
+		return rc;
+
+	return sptlrpc_lprocfs_cliobd_attach(obd);
+}