-/* -*- 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 the Lustre file system, http://www.lustre.org
- * Lustre is a trademark of 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.
*
- * You may have signed or agreed to another license before downloading
- * this software. If so, you are bound by the terms and conditions
- * of that agreement, and the following does not apply to you. See the
- * LICENSE file included with this distribution for more information.
+ * 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).
*
- * If you did not agree to a different license, then this copy of Lustre
- * is open source 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.gnu.org/licenses/gpl-2.0.html
*
- * In either case, 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
- * license text for more details.
+ * GPL HEADER END
+ */
+/*
+ * Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
+ * Use is subject to license terms.
*
+ * Copyright (c) 2012, 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 <asm/statfs.h>
#include <lprocfs_status.h>
#include <obd_class.h>
-#include <linux/seq_file.h>
+#include <uapi/linux/lustre/lustre_param.h>
#include "lov_internal.h"
-#ifdef LPROCFS
-static int lov_rd_stripesize(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static int lov_stripesize_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_size);
-}
+ LASSERT(dev != NULL);
+ desc = &dev->u.lov.desc;
-static int lov_wr_stripesize(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;
-
- LASSERT(dev != NULL);
- desc = &dev->u.lov.desc;
- rc = lprocfs_write_u64_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- desc->ld_default_stripe_size = val;
- lov_fix_desc(desc);
- return count;
+ seq_printf(m, "%llu\n", desc->ld_default_stripe_size);
+ return 0;
}
-static int lov_rd_stripeoffset(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 __user *buffer,
+ size_t count, loff_t *off)
{
- struct obd_device *dev = (struct obd_device *)data;
- struct lov_desc *desc;
+ struct seq_file *m = file->private_data;
+ struct obd_device *dev = m->private;
+ struct lov_desc *desc;
+ char kernbuf[22] = "";
+ u64 val;
+ int rc;
- 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;
-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;
-
- 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;
- lov_fix_desc(desc);
- return count;
-}
+ if (count >= sizeof(kernbuf))
+ return -EINVAL;
-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;
- struct lov_desc *desc;
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+ kernbuf[count] = 0;
- LASSERT(dev != NULL);
- desc = &dev->u.lov.desc;
- *eof = 1;
- return snprintf(page, count, "%u\n", desc->ld_pattern);
+ rc = sysfs_memparse(kernbuf, count, &val, "B");
+ if (rc < 0)
+ return rc;
+
+ lov_fix_desc_stripe_size(&val);
+ desc->ld_default_stripe_size = val;
+
+ return count;
}
+LPROC_SEQ_FOPS(lov_stripesize);
-static int lov_wr_stripetype(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t stripeoffset_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- 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;
-
- desc->ld_pattern = val;
- lov_fix_desc(desc);
- return count;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct lov_desc *desc = &dev->u.lov.desc;
+
+ return sprintf(buf, "%lld\n", desc->ld_default_stripe_offset);
}
-static int lov_rd_stripecount(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t stripeoffset_store(struct kobject *kobj, struct attribute *attr,
+ const char *buf, size_t count)
{
- struct obd_device *dev = (struct obd_device *)data;
- struct lov_desc *desc;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct lov_desc *desc = &dev->u.lov.desc;
+ long val;
+ int rc;
+
+ rc = kstrtol(buf, 0, &val);
+ if (rc)
+ return rc;
+ if (val < -1 || val > LOV_MAX_STRIPE_COUNT)
+ return -ERANGE;
- LASSERT(dev != NULL);
- desc = &dev->u.lov.desc;
- *eof = 1;
- return snprintf(page, count, "%u\n", desc->ld_default_stripe_count);
+ desc->ld_default_stripe_offset = val;
+
+ return count;
}
+LUSTRE_RW_ATTR(stripeoffset);
-static int lov_wr_stripecount(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t stripetype_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- 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;
-
- desc->ld_default_stripe_count = val;
- lov_fix_desc(desc);
- return count;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct lov_desc *desc = &dev->u.lov.desc;
+
+ return sprintf(buf, "%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 stripetype_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct obd_device *dev = (struct obd_device*)data;
- struct lov_desc *desc;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct lov_desc *desc = &dev->u.lov.desc;
+ u32 pattern;
+ int rc;
- LASSERT(dev != NULL);
- desc = &dev->u.lov.desc;
- *eof = 1;
- return snprintf(page, count, "%u\n", desc->ld_tgt_count);
+ rc = kstrtouint(buffer, 0, &pattern);
+ if (rc)
+ return rc;
+ lov_fix_desc_pattern(&pattern);
+ desc->ld_pattern = pattern;
+
+ return count;
}
+LUSTRE_RW_ATTR(stripetype);
-static int lov_rd_activeobd(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t stripecount_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device* dev = (struct obd_device*)data;
- struct lov_desc *desc;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct lov_desc *desc = &dev->u.lov.desc;
- LASSERT(dev != NULL);
- desc = &dev->u.lov.desc;
- *eof = 1;
- return snprintf(page, count, "%u\n", desc->ld_active_tgt_count);
+ return sprintf(buf, "%d\n",
+ (__s16)(desc->ld_default_stripe_count + 1) - 1);
}
-static int lov_rd_desc_uuid(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t stripecount_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- struct obd_device *dev = (struct obd_device*) data;
- struct lov_obd *lov;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct lov_desc *desc = &dev->u.lov.desc;
+ int stripe_count;
+ int rc;
- LASSERT(dev != NULL);
- lov = &dev->u.lov;
- *eof = 1;
- return snprintf(page, count, "%s\n", lov->desc.ld_uuid.uuid);
-}
+ rc = kstrtoint(buffer, 0, &stripe_count);
+ if (rc)
+ return rc;
-/* free priority (0-255): how badly user wants to choose empty osts */
-static int lov_rd_qos_priofree(char *page, char **start, off_t off, int count,
- int *eof, void *data)
-{
- 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, "%d%%\n",
- (lov->lov_qos.lq_prio_free * 100) >> 8);
+ if (stripe_count < -1)
+ return -ERANGE;
+
+ lov_fix_desc_stripe_count(&stripe_count);
+ desc->ld_default_stripe_count = stripe_count;
+
+ return count;
}
+LUSTRE_RW_ATTR(stripecount);
-static int lov_wr_qos_priofree(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t numobd_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = (struct obd_device *)data;
- struct lov_obd *lov;
- int val, rc;
- LASSERT(dev != NULL);
-
- lov = &dev->u.lov;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- if (val > 100)
- return -EINVAL;
- lov->lov_qos.lq_prio_free = (val << 8) / 100;
- lov->lov_qos.lq_dirty = 1;
- lov->lov_qos.lq_reset = 1;
- return count;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct lov_desc *desc = &dev->u.lov.desc;
+
+ return sprintf(buf, "%u\n", desc->ld_tgt_count);
}
+LUSTRE_RO_ATTR(numobd);
-static int lov_rd_qos_maxage(char *page, char **start, off_t off, int count,
- int *eof, void *data)
+static ssize_t activeobd_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = (struct obd_device*) data;
- struct lov_obd *lov;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct lov_desc *desc = &dev->u.lov.desc;
- LASSERT(dev != NULL);
- lov = &dev->u.lov;
- *eof = 1;
- return snprintf(page, count, "%u Sec\n", lov->desc.ld_qos_maxage);
+ return sprintf(buf, "%u\n", desc->ld_active_tgt_count);
}
+LUSTRE_RO_ATTR(activeobd);
-static int lov_wr_qos_maxage(struct file *file, const char *buffer,
- unsigned long count, void *data)
+static ssize_t desc_uuid_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = (struct obd_device *)data;
- struct lov_obd *lov;
- int val, rc;
- LASSERT(dev != NULL);
-
- lov = &dev->u.lov;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- if (val <= 0)
- return -EINVAL;
- lov->desc.ld_qos_maxage = val;
- return count;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kset.kobj);
+ struct lov_desc *desc = &dev->u.lov.desc;
+
+ return sprintf(buf, "%s\n", desc->ld_uuid.uuid);
}
+LUSTRE_RO_ATTR(desc_uuid);
+#ifdef CONFIG_PROC_FS
static void *lov_tgt_seq_start(struct seq_file *p, loff_t *pos)
{
struct obd_device *dev = p->private;
static int lov_tgt_seq_show(struct seq_file *p, void *v)
{
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");
+
+ seq_printf(p, "%d: %s %sACTIVE\n", tgt->ltd_index,
+ obd_uuid2str(&tgt->ltd_uuid),
+ tgt->ltd_active ? "" : "IN");
+ return 0;
}
-struct seq_operations lov_tgt_sops = {
+static const struct seq_operations lov_tgt_sops = {
.start = lov_tgt_seq_start,
.stop = lov_tgt_seq_stop,
.next = lov_tgt_seq_next,
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;
-
- LPROCFS_ENTRY_AND_CHECK(dp);
- rc = seq_open(file, &lov_tgt_sops);
- if (rc) {
- LPROCFS_EXIT();
- return rc;
- }
+ struct seq_file *seq;
+ int rc;
+
+ rc = seq_open(file, &lov_tgt_sops);
+ if (rc)
+ return rc;
- seq = file->private_data;
- seq->private = dp->data;
- return 0;
+ seq = file->private_data;
+ seq->private = PDE_DATA(inode);
+ 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 },
- { "qos_prio_free",lov_rd_qos_priofree, lov_wr_qos_priofree, 0 },
- { "qos_maxage", lov_rd_qos_maxage, lov_wr_qos_maxage, 0 },
- { 0 }
+ { .name = "stripesize",
+ .fops = &lov_stripesize_fops },
+ { NULL }
};
-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 = {
+const 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 */
+#endif /* CONFIG_PROC_FS */
+
+static struct attribute *lov_attrs[] = {
+ &lustre_attr_activeobd.attr,
+ &lustre_attr_numobd.attr,
+ &lustre_attr_desc_uuid.attr,
+ &lustre_attr_stripeoffset.attr,
+ &lustre_attr_stripetype.attr,
+ &lustre_attr_stripecount.attr,
+ NULL,
+};
+int lov_tunables_init(struct obd_device *obd)
+{
+ struct lov_obd *lov = &obd->u.lov;
+ int rc;
+
+ obd->obd_vars = lprocfs_lov_obd_vars;
+ obd->obd_ktype.default_attrs = lov_attrs;
+ rc = lprocfs_obd_setup(obd, false);
+ if (rc)
+ GOTO(out, rc);
+
+#ifdef CONFIG_PROC_FS
+ rc = lprocfs_seq_create(obd->obd_proc_entry, "target_obd", 0444,
+ &lov_proc_target_fops, obd);
+ if (rc)
+ CWARN("%s: Error adding the target_obd file : rc %d\n",
+ obd->obd_name, rc);
+
+ lov->lov_pool_proc_entry = lprocfs_register("pools",
+ obd->obd_proc_entry,
+ NULL, NULL);
+ if (IS_ERR(lov->lov_pool_proc_entry)) {
+ rc = PTR_ERR(lov->lov_pool_proc_entry);
+ CERROR("%s: error setting up debugfs for pools : rc %d\n",
+ obd->obd_name, rc);
+ lov->lov_pool_proc_entry = NULL;
+ }
+#endif /* CONFIG_FS_PROC */
+out:
+ return rc;
+}
git://git.whamcloud.com / fs / lustre-release.git / blobdiff