* Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
* Use is subject to license terms.
*
- * Copyright (c) 2011, 2012, Intel Corporation.
+ * Copyright (c) 2011, 2013, Intel Corporation.
*/
/*
* This file is part of Lustre, http://www.lustre.org/
* Implementation of cl_object for OSC layer.
*
* Author: Nikita Danilov <nikita.danilov@sun.com>
+ * Author: Jinshan Xiong <jinshan.xiong@intel.com>
*/
#define DEBUG_SUBSYSTEM S_OSC
int i;
osc->oo_oinfo = cconf->u.coc_oinfo;
-#ifdef INVARIANT_CHECK
+#ifdef CONFIG_LUSTRE_DEBUG_EXPENSIVE_CHECK
mutex_init(&osc->oo_debug_mutex);
#endif
spin_lock_init(&osc->oo_seatbelt);
for (i = 0; i < CRT_NR; ++i)
- CFS_INIT_LIST_HEAD(&osc->oo_inflight[i]);
+ INIT_LIST_HEAD(&osc->oo_inflight[i]);
- CFS_INIT_LIST_HEAD(&osc->oo_ready_item);
- CFS_INIT_LIST_HEAD(&osc->oo_hp_ready_item);
- CFS_INIT_LIST_HEAD(&osc->oo_write_item);
- CFS_INIT_LIST_HEAD(&osc->oo_read_item);
+ INIT_LIST_HEAD(&osc->oo_ready_item);
+ INIT_LIST_HEAD(&osc->oo_hp_ready_item);
+ INIT_LIST_HEAD(&osc->oo_write_item);
+ INIT_LIST_HEAD(&osc->oo_read_item);
osc->oo_root.rb_node = NULL;
- CFS_INIT_LIST_HEAD(&osc->oo_hp_exts);
- CFS_INIT_LIST_HEAD(&osc->oo_urgent_exts);
- CFS_INIT_LIST_HEAD(&osc->oo_rpc_exts);
- CFS_INIT_LIST_HEAD(&osc->oo_reading_exts);
- cfs_atomic_set(&osc->oo_nr_reads, 0);
- cfs_atomic_set(&osc->oo_nr_writes, 0);
+ INIT_LIST_HEAD(&osc->oo_hp_exts);
+ INIT_LIST_HEAD(&osc->oo_urgent_exts);
+ INIT_LIST_HEAD(&osc->oo_rpc_exts);
+ INIT_LIST_HEAD(&osc->oo_reading_exts);
+ atomic_set(&osc->oo_nr_reads, 0);
+ atomic_set(&osc->oo_nr_writes, 0);
spin_lock_init(&osc->oo_lock);
+ spin_lock_init(&osc->oo_tree_lock);
+ spin_lock_init(&osc->oo_ol_spin);
+ INIT_LIST_HEAD(&osc->oo_ol_list);
cl_object_page_init(lu2cl(obj), sizeof(struct osc_page));
int i;
for (i = 0; i < CRT_NR; ++i)
- LASSERT(cfs_list_empty(&osc->oo_inflight[i]));
+ LASSERT(list_empty(&osc->oo_inflight[i]));
- LASSERT(cfs_list_empty(&osc->oo_ready_item));
- LASSERT(cfs_list_empty(&osc->oo_hp_ready_item));
- LASSERT(cfs_list_empty(&osc->oo_write_item));
- LASSERT(cfs_list_empty(&osc->oo_read_item));
+ LASSERT(list_empty(&osc->oo_ready_item));
+ LASSERT(list_empty(&osc->oo_hp_ready_item));
+ LASSERT(list_empty(&osc->oo_write_item));
+ LASSERT(list_empty(&osc->oo_read_item));
LASSERT(osc->oo_root.rb_node == NULL);
- LASSERT(cfs_list_empty(&osc->oo_hp_exts));
- LASSERT(cfs_list_empty(&osc->oo_urgent_exts));
- LASSERT(cfs_list_empty(&osc->oo_rpc_exts));
- LASSERT(cfs_list_empty(&osc->oo_reading_exts));
- LASSERT(cfs_atomic_read(&osc->oo_nr_reads) == 0);
- LASSERT(cfs_atomic_read(&osc->oo_nr_writes) == 0);
+ LASSERT(list_empty(&osc->oo_hp_exts));
+ LASSERT(list_empty(&osc->oo_urgent_exts));
+ LASSERT(list_empty(&osc->oo_rpc_exts));
+ LASSERT(list_empty(&osc->oo_reading_exts));
+ LASSERT(atomic_read(&osc->oo_nr_reads) == 0);
+ LASSERT(atomic_read(&osc->oo_nr_writes) == 0);
+ LASSERT(list_empty(&osc->oo_ol_list));
lu_object_fini(obj);
OBD_SLAB_FREE_PTR(osc, osc_object_kmem);
static int osc_object_print(const struct lu_env *env, void *cookie,
lu_printer_t p, const struct lu_object *obj)
{
- struct osc_object *osc = lu2osc(obj);
- struct lov_oinfo *oinfo = osc->oo_oinfo;
- struct osc_async_rc *ar = &oinfo->loi_ar;
-
- (*p)(env, cookie, "id: "LPU64" gr: "LPU64" "
- "idx: %d gen: %d kms_valid: %u kms "LPU64" "
- "rc: %d force_sync: %d min_xid: "LPU64" ",
- oinfo->loi_id, oinfo->loi_seq, oinfo->loi_ost_idx,
- oinfo->loi_ost_gen, oinfo->loi_kms_valid, oinfo->loi_kms,
- ar->ar_rc, ar->ar_force_sync, ar->ar_min_xid);
- osc_lvb_print(env, cookie, p, &oinfo->loi_lvb);
- return 0;
+ struct osc_object *osc = lu2osc(obj);
+ struct lov_oinfo *oinfo = osc->oo_oinfo;
+ struct osc_async_rc *ar = &oinfo->loi_ar;
+
+ (*p)(env, cookie, "id: "DOSTID" "
+ "idx: %d gen: %d kms_valid: %u kms "LPU64" "
+ "rc: %d force_sync: %d min_xid: "LPU64" ",
+ POSTID(&oinfo->loi_oi), oinfo->loi_ost_idx,
+ oinfo->loi_ost_gen, oinfo->loi_kms_valid, oinfo->loi_kms,
+ ar->ar_rc, ar->ar_force_sync, ar->ar_min_xid);
+ osc_lvb_print(env, cookie, p, &oinfo->loi_lvb);
+ return 0;
}
RETURN(0);
}
+static int osc_object_ast_clear(struct ldlm_lock *lock, void *data)
+{
+ ENTRY;
+
+ LASSERT(lock->l_granted_mode == lock->l_req_mode);
+ if (lock->l_ast_data == data)
+ lock->l_ast_data = NULL;
+ RETURN(LDLM_ITER_CONTINUE);
+}
+
+static int osc_object_prune(const struct lu_env *env, struct cl_object *obj)
+{
+ struct osc_object *osc = cl2osc(obj);
+ struct ldlm_res_id *resname = &osc_env_info(env)->oti_resname;
+
+ LASSERTF(osc->oo_npages == 0,
+ DFID "still have %lu pages, obj: %p, osc: %p\n",
+ PFID(lu_object_fid(&obj->co_lu)), osc->oo_npages, obj, osc);
+
+ /* DLM locks don't hold a reference of osc_object so we have to
+ * clear it before the object is being destroyed. */
+ ostid_build_res_name(&osc->oo_oinfo->loi_oi, resname);
+ ldlm_resource_iterate(osc_export(osc)->exp_obd->obd_namespace, resname,
+ osc_object_ast_clear, osc);
+ return 0;
+}
void osc_object_set_contended(struct osc_object *obj)
{
}
static const struct cl_object_operations osc_ops = {
- .coo_page_init = osc_page_init,
- .coo_lock_init = osc_lock_init,
- .coo_io_init = osc_io_init,
- .coo_attr_get = osc_attr_get,
- .coo_attr_set = osc_attr_set,
- .coo_glimpse = osc_object_glimpse
+ .coo_page_init = osc_page_init,
+ .coo_lock_init = osc_lock_init,
+ .coo_io_init = osc_io_init,
+ .coo_attr_get = osc_attr_get,
+ .coo_attr_set = osc_attr_set,
+ .coo_glimpse = osc_object_glimpse,
+ .coo_prune = osc_object_prune
};
static const struct lu_object_operations osc_lu_obj_ops = {
- .loo_object_init = osc_object_init,
- .loo_object_delete = NULL,
- .loo_object_release = NULL,
- .loo_object_free = osc_object_free,
- .loo_object_print = osc_object_print,
- .loo_object_invariant = NULL
+ .loo_object_init = osc_object_init,
+ .loo_object_release = NULL,
+ .loo_object_free = osc_object_free,
+ .loo_object_print = osc_object_print,
+ .loo_object_invariant = NULL
};
struct lu_object *osc_object_alloc(const struct lu_env *env,
- const struct lu_object_header *unused,
- struct lu_device *dev)
+ const struct lu_object_header *unused,
+ struct lu_device *dev)
{
- struct osc_object *osc;
- struct lu_object *obj;
-
- OBD_SLAB_ALLOC_PTR_GFP(osc, osc_object_kmem, CFS_ALLOC_IO);
- if (osc != NULL) {
- obj = osc2lu(osc);
- lu_object_init(obj, NULL, dev);
- osc->oo_cl.co_ops = &osc_ops;
- obj->lo_ops = &osc_lu_obj_ops;
- } else
- obj = NULL;
- return obj;
+ struct osc_object *osc;
+ struct lu_object *obj;
+
+ OBD_SLAB_ALLOC_PTR_GFP(osc, osc_object_kmem, GFP_NOFS);
+ if (osc != NULL) {
+ obj = osc2lu(osc);
+ lu_object_init(obj, NULL, dev);
+ osc->oo_cl.co_ops = &osc_ops;
+ obj->lo_ops = &osc_lu_obj_ops;
+ } else
+ obj = NULL;
+ return obj;
}
/** @} osc */