*
* 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
- *
- * 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.
+ * http://www.gnu.org/licenses/gpl-2.0.html
*
* GPL HEADER END
*/
* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2012, 2015, Intel Corporation.
+ * Copyright (c) 2012, 2017, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
#include <asm/statfs.h>
#include <lprocfs_status.h>
#include <obd_class.h>
-#include <lustre_param.h>
+#include <uapi/linux/lustre/lustre_param.h>
#include "lov_internal.h"
-#ifdef CONFIG_PROC_FS
static int lov_stripesize_seq_show(struct seq_file *m, void *v)
{
struct obd_device *dev = (struct obd_device *)m->private;
LASSERT(dev != NULL);
desc = &dev->u.lov.desc;
- return seq_printf(m, LPU64"\n", desc->ld_default_stripe_size);
+ seq_printf(m, "%llu\n", desc->ld_default_stripe_size);
+ return 0;
}
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 seq_file *)file->private_data)->private;
- 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;
+ 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;
+
+ if (count >= sizeof(kernbuf))
+ return -EINVAL;
+
+ if (copy_from_user(kernbuf, buffer, count))
+ return -EFAULT;
+ kernbuf[count] = 0;
+
+ 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_stripeoffset_seq_show(struct seq_file *m, void *v)
+static ssize_t stripeoffset_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = (struct obd_device *)m->private;
- 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;
- return seq_printf(m, LPU64"\n", desc->ld_default_stripe_offset);
+ return sprintf(buf, "%lld\n", desc->ld_default_stripe_offset);
}
-static ssize_t lov_stripeoffset_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t stripeoffset_store(struct kobject *kobj, struct attribute *attr,
+ const char *buf, size_t count)
{
- 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;
- rc = lprocfs_write_u64_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- desc->ld_default_stripe_offset = val;
- return count;
+ 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;
+
+ desc->ld_default_stripe_offset = val;
+
+ return count;
}
-LPROC_SEQ_FOPS(lov_stripeoffset);
+LUSTRE_RW_ATTR(stripeoffset);
-static int lov_stripetype_seq_show(struct seq_file *m, void *v)
+static ssize_t stripetype_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device* dev = (struct obd_device*)m->private;
- 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;
- return seq_printf(m, "%u\n", desc->ld_pattern);
+ return sprintf(buf, "%u\n", desc->ld_pattern);
}
-static ssize_t lov_stripetype_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t stripetype_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- 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;
- rc = lprocfs_write_helper(buffer, count, &val);
- if (rc)
- return rc;
-
- lov_fix_desc_pattern(&val);
- desc->ld_pattern = val;
- return count;
+ 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;
+
+ rc = kstrtouint(buffer, 0, &pattern);
+ if (rc)
+ return rc;
+
+ lov_fix_desc_pattern(&pattern);
+ desc->ld_pattern = pattern;
+
+ return count;
}
-LPROC_SEQ_FOPS(lov_stripetype);
+LUSTRE_RW_ATTR(stripetype);
-static int lov_stripecount_seq_show(struct seq_file *m, void *v)
+static ssize_t stripecount_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = (struct obd_device *)m->private;
- 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;
- return seq_printf(m, "%d\n",
- (__s16)(desc->ld_default_stripe_count + 1) - 1);
+ return sprintf(buf, "%d\n",
+ (__s16)(desc->ld_default_stripe_count + 1) - 1);
}
-static ssize_t lov_stripecount_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t stripecount_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer, size_t count)
{
- 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;
- 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;
+ 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;
+
+ rc = kstrtoint(buffer, 0, &stripe_count);
+ if (rc)
+ return rc;
+
+ if (stripe_count < -1)
+ return -ERANGE;
+
+ lov_fix_desc_stripe_count(&stripe_count);
+ desc->ld_default_stripe_count = stripe_count;
+
+ return count;
}
-LPROC_SEQ_FOPS(lov_stripecount);
+LUSTRE_RW_ATTR(stripecount);
-static int lov_numobd_seq_show(struct seq_file *m, void *v)
+static ssize_t numobd_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = (struct obd_device*)m->private;
- 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;
- return seq_printf(m, "%u\n", desc->ld_tgt_count);
+ return sprintf(buf, "%u\n", desc->ld_tgt_count);
}
-LPROC_SEQ_FOPS_RO(lov_numobd);
+LUSTRE_RO_ATTR(numobd);
-static int lov_activeobd_seq_show(struct seq_file *m, void *v)
+static ssize_t activeobd_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device* dev = (struct obd_device*)m->private;
- 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;
- return seq_printf(m, "%u\n", desc->ld_active_tgt_count);
+ return sprintf(buf, "%u\n", desc->ld_active_tgt_count);
}
-LPROC_SEQ_FOPS_RO(lov_activeobd);
+LUSTRE_RO_ATTR(activeobd);
-static int lov_desc_uuid_seq_show(struct seq_file *m, void *v)
+static ssize_t desc_uuid_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = m->private;
- 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;
- return seq_printf(m, "%s\n", lov->desc.ld_uuid.uuid);
+ return sprintf(buf, "%s\n", desc->ld_uuid.uuid);
}
-LPROC_SEQ_FOPS_RO(lov_desc_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;
}
static const struct seq_operations lov_tgt_sops = {
struct seq_file *seq;
int rc;
- rc = LPROCFS_ENTRY_CHECK(inode);
- if (rc < 0)
- return rc;
-
rc = seq_open(file, &lov_tgt_sops);
if (rc)
return rc;
return 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_vars lprocfs_lov_obd_vars[] = {
- { .name = "uuid",
- .fops = &lov_uuid_fops },
- { .name = "stripesize",
- .fops = &lov_stripesize_fops },
- { .name = "stripeoffset",
- .fops = &lov_stripeoffset_fops },
- { .name = "stripecount",
- .fops = &lov_stripecount_fops },
- { .name = "stripetype",
- .fops = &lov_stripetype_fops },
- { .name = "numobd",
- .fops = &lov_numobd_fops },
- { .name = "activeobd",
- .fops = &lov_activeobd_fops },
- { .name = "filestotal",
- .fops = &lov_filestotal_fops },
- { .name = "filesfree",
- .fops = &lov_filesfree_fops },
- { .name = "blocksize",
- .fops = &lov_blksize_fops },
- { .name = "kbytestotal",
- .fops = &lov_kbytestotal_fops },
- { .name = "kbytesfree",
- .fops = &lov_kbytesfree_fops },
- { .name = "kbytesavail",
- .fops = &lov_kbytesavail_fops },
- { .name = "desc_uuid",
- .fops = &lov_desc_uuid_fops },
+ { .name = "stripesize",
+ .fops = &lov_stripesize_fops },
{ NULL }
};
-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,
.release = lprocfs_seq_release,
};
#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;
+}