val *= 1 << (20 - PAGE_SHIFT); /* convert to pages */
- if (val > ((totalram_pages / 10) * 9)) {
+ if (val > ((cfs_totalram_pages() / 10) * 9)) {
/* Somebody wants to assign too much memory to dirty pages */
return -EINVAL;
}
size_t len = 0;
int i;
- if (libcfs_catastrophe) {
- len = sprintf(buf, "LBUG\n");
- healthy = false;
- }
+ if (libcfs_catastrophe)
+ return sprintf(buf, "LBUG\n");
read_lock(&obd_dev_lock);
for (i = 0; i < class_devno_max(); i++) {
if (obd->obd_stopping)
continue;
- class_incref(obd, __FUNCTION__, current);
+ class_incref(obd, __func__, current);
read_unlock(&obd_dev_lock);
- if (obd_health_check(NULL, obd)) {
- len = sprintf(buf, "device %s reported unhealthy\n",
- obd->obd_name);
+ if (obd_health_check(NULL, obd))
healthy = false;
- }
- class_decref(obd, __FUNCTION__, current);
+
+ class_decref(obd, __func__, current);
read_lock(&obd_dev_lock);
+
+ if (!healthy)
+ break;
}
read_unlock(&obd_dev_lock);
return count;
}
+static ssize_t jobid_this_session_show(struct kobject *kobj,
+ struct attribute *attr,
+ char *buf)
+{
+ char *jid;
+ int ret = -ENOENT;
+
+ rcu_read_lock();
+ jid = jobid_current();
+ if (jid)
+ ret = snprintf(buf, PAGE_SIZE, "%s\n", jid);
+ rcu_read_unlock();
+ return ret;
+}
+
+static ssize_t jobid_this_session_store(struct kobject *kobj,
+ struct attribute *attr,
+ const char *buffer,
+ size_t count)
+{
+ char *jobid;
+ int len;
+ int ret;
+
+ if (!count || count > LUSTRE_JOBID_SIZE)
+ return -EINVAL;
+
+ jobid = kstrndup(buffer, count, GFP_KERNEL);
+ if (!jobid)
+ return -ENOMEM;
+ len = strcspn(jobid, "\n ");
+ jobid[len] = '\0';
+ ret = jobid_set_current(jobid);
+ kfree(jobid);
+
+ return ret ?: count;
+}
+
/* Root for /sys/kernel/debug/lustre */
struct dentry *debugfs_lustre_root;
EXPORT_SYMBOL_GPL(debugfs_lustre_root);
LUSTRE_RO_ATTR(health_check);
LUSTRE_RW_ATTR(jobid_var);
LUSTRE_RW_ATTR(jobid_name);
+LUSTRE_RW_ATTR(jobid_this_session);
static struct attribute *lustre_attrs[] = {
&lustre_attr_version.attr,
&lustre_attr_health_check.attr,
&lustre_attr_jobid_name.attr,
&lustre_attr_jobid_var.attr,
+ &lustre_attr_jobid_this_session.attr,
&lustre_sattr_timeout.u.attr,
&lustre_attr_max_dirty_mb.attr,
&lustre_sattr_debug_peer_on_timeout.u.attr,
.release = seq_release,
};
+static int
+health_check_seq_show(struct seq_file *m, void *unused)
+{
+ int i;
+
+ read_lock(&obd_dev_lock);
+ for (i = 0; i < class_devno_max(); i++) {
+ struct obd_device *obd;
+
+ obd = class_num2obd(i);
+ if (obd == NULL || !obd->obd_attached || !obd->obd_set_up)
+ continue;
+
+ LASSERT(obd->obd_magic == OBD_DEVICE_MAGIC);
+ if (obd->obd_stopping)
+ continue;
+
+ class_incref(obd, __func__, current);
+ read_unlock(&obd_dev_lock);
+
+ if (obd_health_check(NULL, obd)) {
+ seq_printf(m, "device %s reported unhealthy\n",
+ obd->obd_name);
+ }
+ class_decref(obd, __func__, current);
+ read_lock(&obd_dev_lock);
+ }
+ read_unlock(&obd_dev_lock);
+
+ return 0;
+}
+
+LDEBUGFS_SEQ_FOPS_RO(health_check);
+
struct kset *lustre_kset;
EXPORT_SYMBOL_GPL(lustre_kset);
goto out;
}
+ file = debugfs_create_file("health_check", 0444, debugfs_lustre_root,
+ NULL, &health_check_fops);
+ if (IS_ERR_OR_NULL(file)) {
+ rc = file ? PTR_ERR(file) : -ENOMEM;
+ debugfs_remove_recursive(debugfs_lustre_root);
+ kset_unregister(lustre_kset);
+ goto out;
+ }
+
entry = lprocfs_register("fs/lustre", NULL, NULL, NULL);
if (IS_ERR(entry)) {
rc = PTR_ERR(entry);