#include "../include/obd_class.h"
#include "lmv_internal.h"
-static int lmv_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 lmv_desc *desc;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
+ struct lmv_desc *desc;
- LASSERT(dev != NULL);
desc = &dev->u.lmv.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(lmv_numobd);
+LUSTRE_RO_ATTR(numobd);
static const char *placement_name[] = {
[PLACEMENT_CHAR_POLICY] = "CHAR",
return placement_name[placement];
}
-static int lmv_placement_seq_show(struct seq_file *m, void *v)
+static ssize_t placement_show(struct kobject *kobj, struct attribute *attr,
+ char *buf)
{
- struct obd_device *dev = (struct obd_device *)m->private;
- struct lmv_obd *lmv;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
+ struct lmv_obd *lmv;
- LASSERT(dev != NULL);
lmv = &dev->u.lmv;
- seq_printf(m, "%s\n", placement_policy2name(lmv->lmv_placement));
- return 0;
+ return sprintf(buf, "%s\n", placement_policy2name(lmv->lmv_placement));
}
#define MAX_POLICY_STRING_SIZE 64
-static ssize_t lmv_placement_seq_write(struct file *file,
- const char __user *buffer,
- size_t count, loff_t *off)
+static ssize_t placement_store(struct kobject *kobj, struct attribute *attr,
+ const char *buffer,
+ size_t count)
{
- struct obd_device *dev = ((struct seq_file *)file->private_data)->private;
- char dummy[MAX_POLICY_STRING_SIZE + 1];
- int len = count;
- enum placement_policy policy;
- struct lmv_obd *lmv;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
+ char dummy[MAX_POLICY_STRING_SIZE + 1];
+ enum placement_policy policy;
+ struct lmv_obd *lmv = &dev->u.lmv;
- if (copy_from_user(dummy, buffer, MAX_POLICY_STRING_SIZE))
- return -EFAULT;
+ memcpy(dummy, buffer, MAX_POLICY_STRING_SIZE);
- LASSERT(dev != NULL);
- lmv = &dev->u.lmv;
-
- if (len > MAX_POLICY_STRING_SIZE)
- len = MAX_POLICY_STRING_SIZE;
+ if (count > MAX_POLICY_STRING_SIZE)
+ count = MAX_POLICY_STRING_SIZE;
- if (dummy[len - 1] == '\n')
- len--;
- dummy[len] = '\0';
+ if (dummy[count - 1] == '\n')
+ count--;
+ dummy[count] = '\0';
- policy = placement_name2policy(dummy, len);
+ policy = placement_name2policy(dummy, count);
if (policy != PLACEMENT_INVAL_POLICY) {
spin_lock(&lmv->lmv_lock);
lmv->lmv_placement = policy;
spin_unlock(&lmv->lmv_lock);
} else {
- CERROR("Invalid placement policy \"%s\"!\n", dummy);
return -EINVAL;
}
return count;
}
-LPROC_SEQ_FOPS(lmv_placement);
+LUSTRE_RW_ATTR(placement);
-static int lmv_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 lmv_desc *desc;
+ struct obd_device *dev = container_of(kobj, struct obd_device,
+ obd_kobj);
+ struct lmv_desc *desc;
- LASSERT(dev != NULL);
desc = &dev->u.lmv.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(lmv_activeobd);
+LUSTRE_RO_ATTR(activeobd);
static int lmv_desc_uuid_seq_show(struct seq_file *m, void *v)
{
seq_printf(m, "%s\n", lmv->desc.ld_uuid.uuid);
return 0;
}
+
LPROC_SEQ_FOPS_RO(lmv_desc_uuid);
static void *lmv_tgt_seq_start(struct seq_file *p, loff_t *pos)
{
struct obd_device *dev = p->private;
struct lmv_obd *lmv = &dev->u.lmv;
+
return (*pos >= lmv->desc.ld_tgt_count) ? NULL : lmv->tgts[*pos];
}
return 0;
}
-static struct seq_operations lmv_tgt_sops = {
+static const struct seq_operations lmv_tgt_sops = {
.start = lmv_tgt_seq_start,
.stop = lmv_tgt_seq_stop,
.next = lmv_tgt_seq_next,
return rc;
seq = file->private_data;
- seq->private = PDE_DATA(inode);
+ seq->private = inode->i_private;
return 0;
}
-LPROC_SEQ_FOPS_RO_TYPE(lmv, uuid);
-
static struct lprocfs_vars lprocfs_lmv_obd_vars[] = {
- { "numobd", &lmv_numobd_fops, NULL, 0 },
- { "placement", &lmv_placement_fops, NULL, 0 },
- { "activeobd", &lmv_activeobd_fops, NULL, 0 },
- { "uuid", &lmv_uuid_fops, NULL, 0 },
{ "desc_uuid", &lmv_desc_uuid_fops, NULL, 0 },
{ NULL }
};
-LPROC_SEQ_FOPS_RO_TYPE(lmv, numrefs);
-
-static struct lprocfs_vars lprocfs_lmv_module_vars[] = {
- { "num_refs", &lmv_numrefs_fops, NULL, 0 },
- { NULL }
-};
-
struct file_operations lmv_proc_target_fops = {
.owner = THIS_MODULE,
.open = lmv_target_seq_open,
.release = seq_release,
};
+static struct attribute *lmv_attrs[] = {
+ &lustre_attr_activeobd.attr,
+ &lustre_attr_numobd.attr,
+ &lustre_attr_placement.attr,
+ NULL,
+};
+
+static struct attribute_group lmv_attr_group = {
+ .attrs = lmv_attrs,
+};
+
void lprocfs_lmv_init_vars(struct lprocfs_static_vars *lvars)
{
- lvars->module_vars = lprocfs_lmv_module_vars;
+ lvars->sysfs_vars = &lmv_attr_group;
lvars->obd_vars = lprocfs_lmv_obd_vars;
}
Code Review / kvmfornfv.git / blobdiff