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/*
* 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 (c) 2007, 2010, Oracle and/or its affiliates. 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 __LINUX_MDT_H
#define __LINUX_MDT_H
/** \defgroup mdt mdt
*
* @{
*/
#include <lustre/lustre_idl.h>
#include <lustre_req_layout.h>
#include <md_object.h>
#include <dt_object.h>
#include <linux/libcfs/libcfs.h>
/*
* Common thread info for mdt, seq and fld
*/
struct com_thread_info {
/*
* for req-layout interface.
*/
struct req_capsule *cti_pill;
};
enum {
ESERIOUS = 0x0001000
};
static inline int err_serious(int rc)
{
LASSERT(rc < 0);
LASSERT(-rc < ESERIOUS);
return -(-rc | ESERIOUS);
}
static inline int clear_serious(int rc)
{
if (rc < 0)
rc = -(-rc & ~ESERIOUS);
return rc;
}
static inline int is_serious(int rc)
{
return (rc < 0 && -rc & ESERIOUS);
}
/** @} mdt */
#endif
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