#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;
}
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;
- seq_printf(m, "%lld\n", desc->ld_default_stripe_offset);
- return 0;
+ return sprintf(buf, "%llu\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;
+ 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;
- LASSERT(dev != NULL);
- desc = &dev->u.lov.desc;
- rc = kstrtol_from_user(buffer, count, 0, &val);
+ rc = kstrtol(buf, 0, &val);
if (rc)
return rc;
if (val < -1 || val > LOV_MAX_STRIPE_COUNT)
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;
- seq_printf(m, "%u\n", desc->ld_pattern);
- return 0;
+ 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;
+ 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;
- rc = kstrtouint_from_user(buffer, count, 0, &pattern);
+ rc = kstrtouint(buffer, 0, &pattern);
if (rc)
return rc;
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;
- seq_printf(m, "%d\n",
- (__s16)(desc->ld_default_stripe_count + 1) - 1);
- return 0;
+ 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;
+ 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);
- desc = &dev->u.lov.desc;
- rc = kstrtoint_from_user(buffer, count, 0, &stripe_count);
+ rc = kstrtoint(buffer, 0, &stripe_count);
if (rc)
return rc;
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;
- seq_printf(m, "%u\n", desc->ld_tgt_count);
- return 0;
+ 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;
- seq_printf(m, "%u\n", desc->ld_active_tgt_count);
- return 0;
+ 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;
- seq_printf(m, "%s\n", lov->desc.ld_uuid.uuid);
- return 0;
+ 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;
+
seq_printf(p, "%d: %s %sACTIVE\n", tgt->ltd_index,
obd_uuid2str(&tgt->ltd_uuid),
tgt->ltd_active ? "" : "IN");
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;
}
struct lprocfs_vars lprocfs_lov_obd_vars[] = {
- { .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 = "desc_uuid",
- .fops = &lov_desc_uuid_fops },
+ { .name = "stripesize",
+ .fops = &lov_stripesize_fops },
{ NULL }
};
.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;
+#if defined(CONFIG_PROC_FS) && defined(HAVE_SERVER_SUPPORT)
+ struct obd_type *type;
+#endif
+ int rc;
+
+ obd->obd_vars = lprocfs_lov_obd_vars;
+#if defined(CONFIG_PROC_FS) && defined(HAVE_SERVER_SUPPORT)
+ /* If this is true then both client (lov) and server
+ * (lod) are on the same node. The lod layer if loaded
+ * first will register the lov proc directory. In that
+ * case obd->obd_type->typ_procroot will be not set.
+ * Instead we use type->typ_procsym as the parent.
+ */
+ type = class_search_type(LUSTRE_LOD_NAME);
+ if (type && type->typ_procsym) {
+ obd->obd_proc_entry = lprocfs_register(obd->obd_name,
+ type->typ_procsym,
+ obd->obd_vars, obd);
+ if (IS_ERR(obd->obd_proc_entry)) {
+ rc = PTR_ERR(obd->obd_proc_entry);
+ CERROR("error %d setting up lprocfs for %s\n", rc,
+ obd->obd_name);
+ obd->obd_proc_entry = NULL;
+ }
+ }
+#endif
+ 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;
+}