LU-12383 utils: only check project inherit bit for dir

[fs/lustre-release.git] / lustre / obdclass / obd_sysfs.c

diff --git a/lustre/obdclass/obd_sysfs.c b/lustre/obdclass/obd_sysfs.c
index 32f3a13..f83c6f3 100644 (file)
--- a/lustre/obdclass/obd_sysfs.c
+++ b/lustre/obdclass/obd_sysfs.c
@@ -209,10 +209,8 @@ health_check_show(struct kobject *kobj, struct attribute *attr, char *buf)
        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++) {
@@ -226,16 +224,17 @@ health_check_show(struct kobject *kobj, struct attribute *attr, char *buf)
                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);
 
@@ -433,6 +432,40 @@ static const struct file_operations obd_device_list_fops = {
        .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);
 
@@ -501,6 +534,15 @@ int class_procfs_init(void)
                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);