'lod_md_root' was put at precleanup, but soak test shows there exists
race, and some ongoing request may re-initialize it, move this put
to cleanup.
Also add debug code to dump remaining objects if lod device is still
referenced at lod_device_free().
Signed-off-by: Lai Siyao <lai.siyao@intel.com>
Change-Id: I6f1ab0ba149ccf95279c1182c90a5588607ad8fa
Reviewed-on: https://review.whamcloud.com/31143
Tested-by: Jenkins
Tested-by: Maloo <hpdd-maloo@intel.com>
Reviewed-by: Fan Yong <fan.yong@intel.com>
Reviewed-by: John L. Hammond <john.hammond@intel.com>
Reviewed-by: Oleg Drokin <oleg.drokin@intel.com>
GOTO(out, rc);
}
case LCFG_PRE_CLEANUP: {
GOTO(out, rc);
}
case LCFG_PRE_CLEANUP: {
- if (lod->lod_md_root != NULL) {
- dt_object_put(env, &lod->lod_md_root->ldo_obj);
- lod->lod_md_root = NULL;
- }
-
lod_sub_process_config(env, lod, &lod->lod_mdt_descs, lcfg);
lod_sub_process_config(env, lod, &lod->lod_ost_descs, lcfg);
next = &lod->lod_child->dd_lu_dev;
lod_sub_process_config(env, lod, &lod->lod_mdt_descs, lcfg);
lod_sub_process_config(env, lod, &lod->lod_ost_descs, lcfg);
next = &lod->lod_child->dd_lu_dev;
break;
}
case LCFG_CLEANUP: {
break;
}
case LCFG_CLEANUP: {
+ if (lod->lod_md_root != NULL) {
+ dt_object_put(env, &lod->lod_md_root->ldo_obj);
+ lod->lod_md_root = NULL;
+ }
+
/*
* do cleanup on underlying storage only when
* all OSPs are cleaned up, as they use that OSD as well
/*
* do cleanup on underlying storage only when
* all OSPs are cleaned up, as they use that OSD as well
struct lu_device *next = &lod->lod_child->dd_lu_dev;
ENTRY;
struct lu_device *next = &lod->lod_child->dd_lu_dev;
ENTRY;
+ if (atomic_read(&lu->ld_ref) > 0 &&
+ !cfs_hash_is_empty(lu->ld_site->ls_obj_hash)) {
+ LIBCFS_DEBUG_MSG_DATA_DECL(msgdata, D_ERROR, NULL);
+ lu_site_print(env, lu->ld_site, &msgdata, lu_cdebug_printer);
+ }
LASSERTF(atomic_read(&lu->ld_ref) == 0, "lu is %p\n", lu);
dt_device_fini(&lod->lod_dt_dev);
OBD_FREE_PTR(lod);
LASSERTF(atomic_read(&lu->ld_ref) == 0, "lu is %p\n", lu);
dt_device_fini(&lod->lod_dt_dev);
OBD_FREE_PTR(lod);