-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
*
- * Copyright (C) 2002 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) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
+ *
+ * Copyright (c) 2012, 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 <lprocfs_status.h>
+#include <obd_class.h>
+#include <lustre_param.h>
+#include "lov_internal.h"
+
+#ifdef LPROCFS
+static int lov_stripesize_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device *dev = (struct obd_device *)m->private;
+ struct lov_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
-#ifndef LPROCFS
-static struct lprocfs_vars lprocfs_module_vars[] = { {0} };
-static struct lprocfs_vars lprocfs_obd_vars[] = { {0} };
-#else
+ return seq_printf(m, LPU64"\n", desc->ld_default_stripe_size);
+}
-static int lov_rd_stripesize(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t lov_stripesize_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *dev = (struct obd_device *)data;
+ struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
struct lov_desc *desc;
+ __u64 val;
+ int rc;
LASSERT(dev != NULL);
desc = &dev->u.lov.desc;
- *eof = 1;
- return snprintf(page, count, LPU64"\n", desc->ld_default_stripe_size);
+ rc = lprocfs_write_u64_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ lov_fix_desc_stripe_size(&val);
+ desc->ld_default_stripe_size = val;
+ return count;
}
+LPROC_SEQ_FOPS(lov_stripesize);
-static int lov_rd_stripeoffset(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int lov_stripeoffset_seq_show(struct seq_file *m, void *v)
{
- struct obd_device *dev = (struct obd_device *)data;
- struct lov_desc *desc;
+ struct obd_device *dev = (struct obd_device *)m->private;
+ struct lov_desc *desc;
- LASSERT(dev != NULL);
- desc = &dev->u.lov.desc;
- *eof = 1;
- return snprintf(page, count, LPU64"\n", desc->ld_default_stripe_offset);
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ return seq_printf(m, LPU64"\n", desc->ld_default_stripe_offset);
}
-static int lov_rd_stripetype(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t lov_stripeoffset_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device* dev = (struct obd_device*)data;
+ struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
struct lov_desc *desc;
+ __u64 val;
+ int rc;
LASSERT(dev != NULL);
desc = &dev->u.lov.desc;
- *eof = 1;
- return snprintf(page, count, "%u\n", desc->ld_pattern);
+ rc = lprocfs_write_u64_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ desc->ld_default_stripe_offset = val;
+ return count;
}
+LPROC_SEQ_FOPS(lov_stripeoffset);
-static int lov_rd_stripecount(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int lov_stripetype_seq_show(struct seq_file *m, void *v)
{
- struct obd_device *dev = (struct obd_device *)data;
- struct lov_desc *desc;
+ struct obd_device* dev = (struct obd_device*)m->private;
+ struct lov_desc *desc;
- LASSERT(dev != NULL);
- desc = &dev->u.lov.desc;
- *eof = 1;
- return snprintf(page, count, "%u\n", desc->ld_default_stripe_count);
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ return seq_printf(m, "%u\n", desc->ld_pattern);
}
-static int lov_rd_numobd(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t lov_stripetype_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *dev = (struct obd_device*)data;
+ struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
struct lov_desc *desc;
+ int val, rc;
LASSERT(dev != NULL);
desc = &dev->u.lov.desc;
- *eof = 1;
- return snprintf(page, count, "%u\n", desc->ld_tgt_count);
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+ lov_fix_desc_pattern(&val);
+ desc->ld_pattern = val;
+ return count;
}
+LPROC_SEQ_FOPS(lov_stripetype);
-static int lov_rd_activeobd(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int lov_stripecount_seq_show(struct seq_file *m, void *v)
{
- struct obd_device* dev = (struct obd_device*)data;
+ struct obd_device *dev = (struct obd_device *)m->private;
+ struct lov_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ return seq_printf(m, "%d\n",
+ (__s16)(desc->ld_default_stripe_count + 1) - 1);
+}
+
+static ssize_t lov_stripecount_seq_write(struct file *file, const char *buffer,
+ size_t count, loff_t *off)
+{
+ struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
struct lov_desc *desc;
+ int val, rc;
LASSERT(dev != NULL);
desc = &dev->u.lov.desc;
- *eof = 1;
- return snprintf(page, count, "%u\n", desc->ld_active_tgt_count);
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ lov_fix_desc_stripe_count(&val);
+ desc->ld_default_stripe_count = val;
+ return count;
}
+LPROC_SEQ_FOPS(lov_stripecount);
-static int lov_rd_desc_uuid(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int lov_numobd_seq_show(struct seq_file *m, void *v)
{
- struct obd_device *dev = (struct obd_device*) data;
- struct lov_obd *lov;
+ struct obd_device *dev = (struct obd_device*)m->private;
+ struct lov_desc *desc;
- LASSERT(dev != NULL);
- lov = &dev->u.lov;
- *eof = 1;
- return snprintf(page, count, "%s\n", lov->desc.ld_uuid.uuid);
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ return seq_printf(m, "%u\n", desc->ld_tgt_count);
+}
+LPROC_SEQ_FOPS_RO(lov_numobd);
+
+static int lov_activeobd_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device* dev = (struct obd_device*)m->private;
+ struct lov_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ return seq_printf(m, "%u\n", desc->ld_active_tgt_count);
+}
+LPROC_SEQ_FOPS_RO(lov_activeobd);
+
+static int lov_desc_uuid_seq_show(struct seq_file *m, void *v)
+{
+ struct obd_device *dev = m->private;
+ struct lov_obd *lov;
+
+ LASSERT(dev != NULL);
+ lov = &dev->u.lov;
+ return seq_printf(m, "%s\n", lov->desc.ld_uuid.uuid);
}
+LPROC_SEQ_FOPS_RO(lov_desc_uuid);
static void *lov_tgt_seq_start(struct seq_file *p, loff_t *pos)
{
struct obd_device *dev = p->private;
struct lov_obd *lov = &dev->u.lov;
- return (*pos >= lov->desc.ld_tgt_count) ? NULL : &(lov->tgts[*pos]);
-
+ while (*pos < lov->desc.ld_tgt_count) {
+ if (lov->lov_tgts[*pos])
+ return lov->lov_tgts[*pos];
+ ++*pos;
+ }
+ return NULL;
}
static void lov_tgt_seq_stop(struct seq_file *p, void *v)
struct obd_device *dev = p->private;
struct lov_obd *lov = &dev->u.lov;
- ++*pos;
- return (*pos >=lov->desc.ld_tgt_count) ? NULL : &(lov->tgts[*pos]);
+ while (++*pos < lov->desc.ld_tgt_count) {
+ if (lov->lov_tgts[*pos])
+ return lov->lov_tgts[*pos];
+ }
+ return NULL;
}
static int lov_tgt_seq_show(struct seq_file *p, void *v)
{
struct lov_tgt_desc *tgt = v;
- struct obd_device *dev = p->private;
- struct lov_obd *lov = &dev->u.lov;
- int idx = tgt - &(lov->tgts[0]);
- return seq_printf(p, "%d: %s %sACTIVE\n", idx, tgt->uuid.uuid,
- tgt->active ? "" : "IN");
+ return seq_printf(p, "%d: %s %sACTIVE\n", tgt->ltd_index,
+ obd_uuid2str(&tgt->ltd_uuid),
+ tgt->ltd_active ? "" : "IN");
}
struct seq_operations lov_tgt_sops = {
static int lov_target_seq_open(struct inode *inode, struct file *file)
{
- struct proc_dir_entry *dp = PDE(inode);
- struct seq_file *seq;
- int rc = seq_open(file, &lov_tgt_sops);
+ struct seq_file *seq;
+ int rc;
- if (rc)
- return rc;
+ LPROCFS_ENTRY_CHECK(PDE(inode));
+ rc = seq_open(file, &lov_tgt_sops);
+ if (rc)
+ return rc;
- seq = file->private_data;
- seq->private = dp->data;
-
- return 0;
-}
-
-struct lprocfs_vars lprocfs_obd_vars[] = {
- { "uuid", lprocfs_rd_uuid, 0, 0 },
- { "stripesize", lov_rd_stripesize, 0, 0 },
- { "stripeoffset", lov_rd_stripeoffset, 0, 0 },
- { "stripecount", lov_rd_stripecount, 0, 0 },
- { "stripetype", lov_rd_stripetype, 0, 0 },
- { "numobd", lov_rd_numobd, 0, 0 },
- { "activeobd", lov_rd_activeobd, 0, 0 },
- { "filestotal", lprocfs_rd_filestotal, 0, 0 },
- { "filesfree", lprocfs_rd_filesfree, 0, 0 },
- //{ "filegroups", lprocfs_rd_filegroups, 0, 0 },
- { "blocksize", lprocfs_rd_blksize, 0, 0 },
- { "kbytestotal", lprocfs_rd_kbytestotal, 0, 0 },
- { "kbytesfree", lprocfs_rd_kbytesfree, 0, 0 },
- { "kbytesavail", lprocfs_rd_kbytesavail, 0, 0 },
- { "desc_uuid", lov_rd_desc_uuid, 0, 0 },
- { 0 }
-};
+ seq = file->private_data;
+ seq->private = PDE_DATA(inode);
+ return 0;
+}
-static struct lprocfs_vars lprocfs_module_vars[] = {
- { "num_refs", lprocfs_rd_numrefs, 0, 0 },
- { 0 }
+LPROC_SEQ_FOPS_RO_TYPE(lov, uuid);
+LPROC_SEQ_FOPS_RO_TYPE(lov, filestotal);
+LPROC_SEQ_FOPS_RO_TYPE(lov, filesfree);
+LPROC_SEQ_FOPS_RO_TYPE(lov, blksize);
+LPROC_SEQ_FOPS_RO_TYPE(lov, kbytestotal);
+LPROC_SEQ_FOPS_RO_TYPE(lov, kbytesfree);
+LPROC_SEQ_FOPS_RO_TYPE(lov, kbytesavail);
+
+struct lprocfs_seq_vars lprocfs_lov_obd_vars[] = {
+ { "uuid", &lov_uuid_fops },
+ { "stripesize", &lov_stripesize_fops },
+ { "stripeoffset", &lov_stripeoffset_fops },
+ { "stripecount", &lov_stripecount_fops },
+ { "stripetype", &lov_stripetype_fops },
+ { "numobd", &lov_numobd_fops },
+ { "activeobd", &lov_activeobd_fops },
+ { "filestotal", &lov_filestotal_fops },
+ { "filesfree", &lov_filesfree_fops },
+ { "blocksize", &lov_blksize_fops },
+ { "kbytestotal", &lov_kbytestotal_fops },
+ { "kbytesfree", &lov_kbytesfree_fops },
+ { "kbytesavail", &lov_kbytesavail_fops },
+ { "desc_uuid", &lov_desc_uuid_fops },
+ { 0 }
};
struct file_operations lov_proc_target_fops = {
- .open = lov_target_seq_open,
- .read = seq_read,
- .llseek = seq_lseek,
- .release = seq_release,
+ .owner = THIS_MODULE,
+ .open = lov_target_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = lprocfs_seq_release,
};
-
#endif /* LPROCFS */
-LPROCFS_INIT_VARS(lov, lprocfs_module_vars, lprocfs_obd_vars)