/* -*- mode: c; c-basic-offset: 8; indent-tabs-mode: nil; -*-
* vim:expandtab:shiftwidth=8:tabstop=8:
+ *
+ * GPL HEADER START
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 only,
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License version 2 for more details (a copy is included
+ * in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License
+ * version 2 along with this program; If not, see
+ * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
+ *
+ * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ * GPL HEADER END
+ */
+/*
+ * Copyright 2008 Sun Microsystems, Inc. All rights reserved
+ * Use is subject to license terms.
+ */
+/*
+ * This file is part of Lustre, http://www.lustre.org/
+ * Lustre is a trademark of Sun Microsystems, Inc.
*/
#ifndef OSC_INTERNAL_H
struct obd_async_page_ops *oap_caller_ops;
void *oap_caller_data;
+ struct list_head oap_page_list;
+ struct ldlm_lock *oap_ldlm_lock;
+ spinlock_t oap_lock;
};
#define oap_page oap_brw_page.pg
#define OSCC_FLAG_LOW 0x10
#define OSCC_FLAG_EXITING 0x20
-int osc_precreate(struct obd_export *exp, int need_create);
+int osc_precreate(struct obd_export *exp);
int osc_create(struct obd_export *exp, struct obdo *oa,
struct lov_stripe_md **ea, struct obd_trans_info *oti);
int osc_real_create(struct obd_export *exp, struct obdo *oa,
#ifdef LPROCFS
int lproc_osc_attach_seqstat(struct obd_device *dev);
+void lprocfs_osc_init_vars(struct lprocfs_static_vars *lvars);
#else
static inline int lproc_osc_attach_seqstat(struct obd_device *dev) {return 0;}
+static inline void lprocfs_osc_init_vars(struct lprocfs_static_vars *lvars)
+{
+ memset(lvars, 0, sizeof(*lvars));
+}
#endif
+static inline int osc_recoverable_error(int rc)
+{
+ return (rc == -EIO || rc == -EROFS || rc == -ENOMEM || rc == -EAGAIN);
+}
+
+/* return 1 if osc should be resend request */
+static inline int osc_should_resend(int resend, struct client_obd *cli)
+{
+ return atomic_read(&cli->cl_resends) ?
+ atomic_read(&cli->cl_resends) > resend : 1;
+}
+
#ifndef min_t
#define min_t(type,x,y) \
({ type __x = (x); type __y = (y); __x < __y ? __x: __y; })