-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2002, 2003 Cluster File Systems, Inc.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * This file is part of Lustre, http://www.lustre.org.
+ * 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.
*
- * Lustre is free software; you can redistribute it and/or
- * modify it under the terms of version 2 of the GNU General Public
- * License 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).
*
- * Lustre 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 for more details.
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
*
- * You should have received a copy of the GNU General Public License
- * along with Lustre; if not, write to the Free Software
- * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2004, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 2014, 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>
-#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,5,0))
-#include <asm/statfs.h>
-#endif
-#include <linux/lprocfs_status.h>
-#include <linux/obd_class.h>
#include <linux/seq_file.h>
+#include <asm/statfs.h>
+#include <lprocfs_status.h>
+#include <obd_class.h>
-#ifndef LPROCFS
+#include "lmv_internal.h"
+
+#ifndef CONFIG_PROC_FS
static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
static struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
#else
-/* FIXME: here should be definition of lprocfs_module_vars and
- lprocfs_obd_vars. */
-static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
-static struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
-#endif
-LPROCFS_INIT_VARS(lmv, lprocfs_module_vars, lprocfs_obd_vars)
+static int lmv_numobd_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device *dev = (struct obd_device *)m->private;
+ struct lmv_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lmv.desc;
+ seq_printf(m, "%u\n", desc->ld_tgt_count);
+ return 0;
+}
+LPROC_SEQ_FOPS_RO(lmv_numobd);
+
+static int lmv_activeobd_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device *dev = (struct obd_device *)m->private;
+ struct lmv_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lmv.desc;
+ seq_printf(m, "%u\n", desc->ld_active_tgt_count);
+ return 0;
+}
+LPROC_SEQ_FOPS_RO(lmv_activeobd);
+
+static int lmv_desc_uuid_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device *dev = (struct obd_device*)m->private;
+ struct lmv_obd *lmv;
+
+ LASSERT(dev != NULL);
+ lmv = &dev->u.lmv;
+ seq_printf(m, "%s\n", lmv->desc.ld_uuid.uuid);
+ return 0;
+}
+LPROC_SEQ_FOPS_RO(lmv_desc_uuid);
+
+static void *lmv_tgt_seq_start(struct seq_file *p, loff_t *pos)
+{
+ struct obd_device *dev = p->private;
+ struct lmv_obd *lmv = &dev->u.lmv;
+
+ while (*pos < lmv->tgts_size) {
+ if (lmv->tgts[*pos] != NULL)
+ return lmv->tgts[*pos];
+
+ ++*pos;
+ }
+
+ return NULL;
+}
+
+static void lmv_tgt_seq_stop(struct seq_file *p, void *v)
+{
+ return;
+}
+
+static void *lmv_tgt_seq_next(struct seq_file *p, void *v, loff_t *pos)
+{
+ struct obd_device *dev = p->private;
+ struct lmv_obd *lmv = &dev->u.lmv;
+
+ ++*pos;
+ while (*pos < lmv->tgts_size) {
+ if (lmv->tgts[*pos] != NULL)
+ return lmv->tgts[*pos];
+
+ ++*pos;
+ }
+
+ return NULL;
+}
+
+static int lmv_tgt_seq_show(struct seq_file *p, void *v)
+{
+ struct lmv_tgt_desc *tgt = v;
+
+ if (tgt == NULL)
+ return 0;
+ seq_printf(p, "%u: %s %sACTIVE\n", tgt->ltd_idx,
+ tgt->ltd_uuid.uuid, tgt->ltd_active ? "" : "IN");
+ return 0;
+}
+
+static const struct seq_operations lmv_tgt_sops = {
+ .start = lmv_tgt_seq_start,
+ .stop = lmv_tgt_seq_stop,
+ .next = lmv_tgt_seq_next,
+ .show = lmv_tgt_seq_show,
+};
+
+static int lmv_target_seq_open(struct inode *inode, struct file *file)
+{
+ struct seq_file *seq;
+ int rc;
+
+ rc = seq_open(file, &lmv_tgt_sops);
+ if (rc)
+ return rc;
+
+ seq = file->private_data;
+ seq->private = PDE_DATA(inode);
+ return 0;
+}
+
+LPROC_SEQ_FOPS_RO_TYPE(lmv, uuid);
+
+struct lprocfs_vars lprocfs_lmv_obd_vars[] = {
+ { .name = "numobd",
+ .fops = &lmv_numobd_fops },
+ { .name = "activeobd",
+ .fops = &lmv_activeobd_fops },
+ { .name = "uuid",
+ .fops = &lmv_uuid_fops },
+ { .name = "desc_uuid",
+ .fops = &lmv_desc_uuid_fops },
+ { NULL }
+};
+struct file_operations lmv_proc_target_fops = {
+ .owner = THIS_MODULE,
+ .open = lmv_target_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = seq_release,
+};
+#endif /* CONFIG_PROC_FS */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff