-/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
- * vim:expandtab:shiftwidth=8:tabstop=8:
+/*
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
- * Copyright (C) 2002 Cluster File Systems, Inc.
+ * 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 file is part of Lustre, http://www.lustre.org.
+ * 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 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.
+ * 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
*
- * 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.
+ * 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.
*
- * 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.
+ * 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/obd_support.h>
-#include <linux/obd_class.h>
-#include <linux/lprocfs.h>
-#include <linux/string.h>
-#include <linux/lustre_lib.h>
+#include <linux/version.h>
+#include <asm/statfs.h>
+#include <lprocfs_status.h>
+#include <obd_class.h>
+#include <linux/seq_file.h>
+#include "lov_internal.h"
-/*
- * Common SNMP namespace
- */
+#ifdef LPROCFS
+static int lov_rd_stripesize(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, LPU64"\n", desc->ld_default_stripe_size);
+}
-int rd_uuid(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+static int lov_wr_stripesize(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- int len=0;
- struct obd_device* dev=(struct obd_device*)data;
- len+=snprintf(page, count, "%s\n", dev->obd_uuid);
- return len;
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+ __u64 val;
+ int rc;
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ 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;
}
-int rd_stripesize(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+
+static int lov_rd_stripeoffset(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- struct obd_device* dev=(struct obd_device*)data;
- int len=0;
- struct lov_obd* lov=&dev->u.lov;
- len+=snprintf(page, count, LPU64"\n", \
- (__u64)(lov->desc.ld_default_stripe_count));
+ struct obd_device *dev = (struct obd_device *)data;
+ 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);
+}
+
+static int lov_wr_stripeoffset(struct file *file, const char *buffer,
+ unsigned long count, void *data)
+{
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+ __u64 val;
+ int rc;
- return len;
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ rc = lprocfs_write_u64_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+
+ desc->ld_default_stripe_offset = val;
+ return count;
}
-int rd_stripedepth(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+static int lov_rd_stripetype(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- struct obd_device* dev=(struct obd_device*)data;
- int len=0;
- struct lov_obd* lov=&dev->u.lov;
- len+=snprintf(page, count, LPU64"\n", \
- lov->desc.ld_default_stripe_size);
- return len;
+ struct obd_device* dev = (struct obd_device*)data;
+ struct lov_desc *desc;
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, "%u\n", desc->ld_pattern);
}
-int rd_stripefactor(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+
+static int lov_wr_stripetype(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- struct obd_device* dev=(struct obd_device*)data;
- int len=0;
- struct lov_obd* lov=&dev->u.lov;
- len+=snprintf(page, count, LPU64"\n", \
- lov->desc.ld_default_stripe_offset);
- return len;
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+ int val, rc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ rc = lprocfs_write_helper(buffer, count, &val);
+ if (rc)
+ return rc;
+ lov_fix_desc_pattern(&val);
+ desc->ld_pattern = val;
+ return count;
}
-int rd_stripetype(char* page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device* dev=(struct obd_device*)data;
- int len=0;
- struct lov_obd* lov=&dev->u.lov;
- len+=snprintf(page, count, LPU64"\n", \
- (__u64)(lov->desc.ld_pattern));
- return len;
+static int lov_rd_stripecount(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, "%d\n",
+ (__s16)(desc->ld_default_stripe_count + 1) - 1);
}
-int rd_blksize(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+static int lov_wr_stripecount(struct file *file, const char *buffer,
+ unsigned long count, void *data)
{
- return 0;
+ struct obd_device *dev = (struct obd_device *)data;
+ struct lov_desc *desc;
+ int val, rc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ 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;
}
+static int lov_rd_numobd(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
+{
+ struct obd_device *dev = (struct obd_device*)data;
+ struct lov_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, "%u\n", desc->ld_tgt_count);
+
+}
-int rd_blktotal(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+static int lov_rd_activeobd(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- return 0;
+ struct obd_device* dev = (struct obd_device*)data;
+ struct lov_desc *desc;
+
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
+ *eof = 1;
+ return snprintf(page, count, "%u\n", desc->ld_active_tgt_count);
}
-int rd_blkfree(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+static int lov_rd_desc_uuid(char *page, char **start, off_t off, int count,
+ int *eof, void *data)
{
- return 0;
+ struct obd_device *dev = (struct obd_device*) data;
+ struct lov_obd *lov;
+
+ LASSERT(dev != NULL);
+ lov = &dev->u.lov;
+ *eof = 1;
+ return snprintf(page, count, "%s\n", lov->desc.ld_uuid.uuid);
}
-int rd_kbfree(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+static void *lov_tgt_seq_start(struct seq_file *p, loff_t *pos)
{
- return 0;
+ struct obd_device *dev = p->private;
+ struct lov_obd *lov = &dev->u.lov;
+
+ while (*pos < lov->desc.ld_tgt_count) {
+ if (lov->lov_tgts[*pos])
+ return lov->lov_tgts[*pos];
+ ++*pos;
+ }
+ return NULL;
}
-int rd_numobjects(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+static void lov_tgt_seq_stop(struct seq_file *p, void *v)
{
- return 0;
}
-int rd_objfree(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+static void *lov_tgt_seq_next(struct seq_file *p, void *v, loff_t *pos)
{
- return 0;
+ struct obd_device *dev = p->private;
+ struct lov_obd *lov = &dev->u.lov;
+
+ while (++*pos < lov->desc.ld_tgt_count) {
+ if (lov->lov_tgts[*pos])
+ return lov->lov_tgts[*pos];
+ }
+ return NULL;
}
-int rd_objgroups(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+static int lov_tgt_seq_show(struct seq_file *p, void *v)
{
- return 0;
+ struct lov_tgt_desc *tgt = v;
+ return seq_printf(p, "%d: %s %sACTIVE\n", tgt->ltd_index,
+ obd_uuid2str(&tgt->ltd_uuid),
+ tgt->ltd_active ? "" : "IN");
}
-int rd_target(char* page, char **start, off_t off,
- int count, int *eof, void *data)
+struct seq_operations lov_tgt_sops = {
+ .start = lov_tgt_seq_start,
+ .stop = lov_tgt_seq_stop,
+ .next = lov_tgt_seq_next,
+ .show = lov_tgt_seq_show,
+};
+
+static int lov_target_seq_open(struct inode *inode, struct file *file)
{
- struct obd_device* dev=(struct obd_device*)data;
- int len=0, i=0;
- struct lov_obd* lov=&dev->u.lov;
- struct lov_tgt_desc* tgts=lov->tgts;
- while(i<lov->desc.ld_tgt_count){
- len+=snprintf(page, count, \
- "OBD Device [%d] UUID: %s\n", \
- i, tgts->uuid);
+ struct proc_dir_entry *dp = PDE(inode);
+ struct seq_file *seq;
+ int rc;
- i++;
- tgts++;
+ LPROCFS_ENTRY_AND_CHECK(dp);
+ rc = seq_open(file, &lov_tgt_sops);
+ if (rc) {
+ LPROCFS_EXIT();
+ return rc;
}
-
- return len;
-}
-int rd_mdc(char* page, char **start, off_t off,
- int count, int *eof, void *data)
-{
- struct obd_device* dev=(struct obd_device*)data;
- int len=0;
- struct lov_obd* lov=&dev->u.lov;
- len+=snprintf(page, count, \
- "%s\n", \
- lov->mdcobd->obd_uuid);
- return len;
-}
-
-lprocfs_vars_t snmp_var_nm_1[]={
- {"snmp/uuid", rd_uuid, 0},
- {"snmp/lov_stripesize",rd_stripesize, 0},
- {"snmp/lov_stripedepth",rd_stripedepth, 0},
- {"snmp/lov_stripefactor",rd_stripefactor, 0},
- {"snmp/lov_stripetype", rd_stripetype, 0},
- {"snmp/f_objects", rd_numobjects, 0},
- {"snmp/f_objectsfree", rd_objfree, 0},
- {"snmp/f_objectgroups", rd_objgroups, 0},
- {"snmp/f_blocksize", rd_blksize, 0},
- {"snmp/f_blockstotal", rd_blktotal, 0},
- {"snmp/f_kbytesfree", rd_kbfree, 0},
- {"snmp/f_blocksfree", rd_blkfree, 0},
- {"snmp/target_obd", rd_target, 0},
- {"snmp/target_mdc", rd_mdc, 0},
- {0}
+
+ seq = file->private_data;
+ seq->private = dp->data;
+ return 0;
+}
+
+struct lprocfs_vars lprocfs_lov_obd_vars[] = {
+ { "uuid", lprocfs_rd_uuid, 0, 0 },
+ { "stripesize", lov_rd_stripesize, lov_wr_stripesize, 0 },
+ { "stripeoffset", lov_rd_stripeoffset, lov_wr_stripeoffset, 0 },
+ { "stripecount", lov_rd_stripecount, lov_wr_stripecount, 0 },
+ { "stripetype", lov_rd_stripetype, lov_wr_stripetype, 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 }
+};
+
+static struct lprocfs_vars lprocfs_lov_module_vars[] = {
+ { "num_refs", lprocfs_rd_numrefs, 0, 0 },
+ { 0 }
+};
+
+void lprocfs_lov_init_vars(struct lprocfs_static_vars *lvars)
+{
+ lvars->module_vars = lprocfs_lov_module_vars;
+ lvars->obd_vars = lprocfs_lov_obd_vars;
+}
+
+struct file_operations lov_proc_target_fops = {
+ .owner = THIS_MODULE,
+ .open = lov_target_seq_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = lprocfs_seq_release,
};
+#endif /* LPROCFS */
git://git.whamcloud.com / fs / lustre-release.git / blobdiff