C++ (Cpp) sptlrpc_rule_set_init Exemples

Exemple #1

Fichier : tgt_main.c Projet : Lezval/lustre

int tgt_init(const struct lu_env *env, struct lu_target *lut,
	     struct obd_device *obd, struct dt_device *dt,
	     struct tgt_opc_slice *slice, int request_fail_id,
	     int reply_fail_id)
{
	struct dt_object_format	 dof;
	struct lu_attr		 attr;
	struct lu_fid		 fid;
	struct dt_object	*o;
	int			 rc = 0;

	ENTRY;

	LASSERT(lut);
	LASSERT(obd);
	lut->lut_obd = obd;
	lut->lut_bottom = dt;
	lut->lut_last_rcvd = NULL;
	lut->lut_client_bitmap = NULL;
	obd->u.obt.obt_lut = lut;
	obd->u.obt.obt_magic = OBT_MAGIC;

	/* set request handler slice and parameters */
	lut->lut_slice = slice;
	lut->lut_reply_fail_id = reply_fail_id;
	lut->lut_request_fail_id = request_fail_id;

	/* sptlrcp variables init */
	rwlock_init(&lut->lut_sptlrpc_lock);
	sptlrpc_rule_set_init(&lut->lut_sptlrpc_rset);
	lut->lut_mds_capa = 1;
	lut->lut_oss_capa = 1;

	spin_lock_init(&lut->lut_flags_lock);
	lut->lut_sync_lock_cancel = NEVER_SYNC_ON_CANCEL;

	/* last_rcvd initialization is needed by replayable targets only */
	if (!obd->obd_replayable)
		RETURN(0);

	spin_lock_init(&lut->lut_translock);

	OBD_ALLOC(lut->lut_client_bitmap, LR_MAX_CLIENTS >> 3);
	if (lut->lut_client_bitmap == NULL)
		RETURN(-ENOMEM);

	memset(&attr, 0, sizeof(attr));
	attr.la_valid = LA_MODE;
	attr.la_mode = S_IFREG | S_IRUGO | S_IWUSR;
	dof.dof_type = dt_mode_to_dft(S_IFREG);

	lu_local_obj_fid(&fid, LAST_RECV_OID);

	o = dt_find_or_create(env, lut->lut_bottom, &fid, &dof, &attr);
	if (IS_ERR(o)) {
		rc = PTR_ERR(o);
		CERROR("%s: cannot open LAST_RCVD: rc = %d\n", tgt_name(lut),
		       rc);
		GOTO(out_bitmap, rc);
	}

	lut->lut_last_rcvd = o;
	rc = tgt_server_data_init(env, lut);
	if (rc < 0)
		GOTO(out_obj, rc);

	/* prepare transactions callbacks */
	lut->lut_txn_cb.dtc_txn_start = tgt_txn_start_cb;
	lut->lut_txn_cb.dtc_txn_stop = tgt_txn_stop_cb;
	lut->lut_txn_cb.dtc_txn_commit = NULL;
	lut->lut_txn_cb.dtc_cookie = lut;
	lut->lut_txn_cb.dtc_tag = LCT_DT_THREAD | LCT_MD_THREAD;
	CFS_INIT_LIST_HEAD(&lut->lut_txn_cb.dtc_linkage);

	dt_txn_callback_add(lut->lut_bottom, &lut->lut_txn_cb);

	RETURN(0);
out_obj:
	lu_object_put(env, &lut->lut_last_rcvd->do_lu);
	lut->lut_last_rcvd = NULL;
out_bitmap:
	OBD_FREE(lut->lut_client_bitmap, LR_MAX_CLIENTS >> 3);
	lut->lut_client_bitmap = NULL;
	return rc;
}

Exemple #2

Fichier : tgt_main.c Projet : walgenbach/lustre-release

int tgt_init(const struct lu_env *env, struct lu_target *lut,
	     struct obd_device *obd, struct dt_device *dt,
	     struct tgt_opc_slice *slice, int request_fail_id,
	     int reply_fail_id)
{
	struct dt_object_format	 dof;
	struct lu_attr		 attr;
	struct lu_fid		 fid;
	struct dt_object	*o;
	int			 rc = 0;

	ENTRY;

	LASSERT(lut);
	LASSERT(obd);
	lut->lut_obd = obd;
	lut->lut_bottom = dt;
	lut->lut_last_rcvd = NULL;
	lut->lut_client_bitmap = NULL;
	obd->u.obt.obt_lut = lut;
	obd->u.obt.obt_magic = OBT_MAGIC;

	/* set request handler slice and parameters */
	lut->lut_slice = slice;
	lut->lut_reply_fail_id = reply_fail_id;
	lut->lut_request_fail_id = request_fail_id;

	/* sptlrcp variables init */
	rwlock_init(&lut->lut_sptlrpc_lock);
	sptlrpc_rule_set_init(&lut->lut_sptlrpc_rset);
	lut->lut_mds_capa = 1;
	lut->lut_oss_capa = 1;

	/* last_rcvd initialization is needed by replayable targets only */
	if (!obd->obd_replayable)
		RETURN(0);

	spin_lock_init(&lut->lut_translock);

	OBD_ALLOC(lut->lut_client_bitmap, LR_MAX_CLIENTS >> 3);
	if (lut->lut_client_bitmap == NULL)
		RETURN(-ENOMEM);

	memset(&attr, 0, sizeof(attr));
	attr.la_valid = LA_MODE;
	attr.la_mode = S_IFREG | S_IRUGO | S_IWUSR;
	dof.dof_type = dt_mode_to_dft(S_IFREG);

	lu_local_obj_fid(&fid, LAST_RECV_OID);

	o = dt_find_or_create(env, lut->lut_bottom, &fid, &dof, &attr);
	if (!IS_ERR(o)) {
		lut->lut_last_rcvd = o;
	} else {
		OBD_FREE(lut->lut_client_bitmap, LR_MAX_CLIENTS >> 3);
		lut->lut_client_bitmap = NULL;
		rc = PTR_ERR(o);
		CERROR("cannot open %s: rc = %d\n", LAST_RCVD, rc);
	}

	RETURN(rc);
}