4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License version 2 only,
8 * as published by the Free Software Foundation.
10 * This program is distributed in the hope that it will be useful, but
11 * WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * General Public License version 2 for more details (a copy is included
14 * in the LICENSE file that accompanied this code).
16 * You should have received a copy of the GNU General Public License
17 * version 2 along with this program; If not, see
18 * http://www.sun.com/software/products/lustre/docs/GPLv2.pdf
20 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
21 * CA 95054 USA or visit www.sun.com if you need additional information or
27 * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
28 * Use is subject to license terms.
30 * Copyright (c) 2012, Whamcloud, Inc.
33 * This file is part of Lustre, http://www.lustre.org/
34 * Lustre is a trademark of Sun Microsystems, Inc.
40 * Author: Nikita Danilov <nikita@clusterfs.com>
44 * Object Index (oi) service runs in the bottom layer of server stack. In
45 * translates fid local to this service to the storage cookie that uniquely
46 * and efficiently identifies object (inode) of the underlying file system.
52 #if defined(__KERNEL__)
54 /* struct rw_semaphore */
55 #include <linux/rwsem.h>
56 #include <lustre_fid.h>
57 #include <lu_object.h>
58 #include <md_object.h>
61 struct osd_thread_info;
70 * Storage cookie. Datum uniquely identifying inode on the underlying file
73 * XXX Currently this is ext2/ext3/ldiskfs specific thing. In the future this
74 * should be generalized to work with other local file systems.
77 __u32 oii_ino; /* inode number */
78 __u32 oii_gen; /* inode generation */
81 int osd_oi_mod_init(void);
82 int osd_oi_init(struct osd_thread_info *info, struct osd_device *osd);
83 void osd_oi_fini(struct osd_thread_info *info, struct osd_device *osd);
84 int osd_oi_lookup(struct osd_thread_info *info, struct osd_device *osd,
85 const struct lu_fid *fid, struct osd_inode_id *id);
86 int osd_oi_insert(struct osd_thread_info *info, struct osd_device *osd,
87 const struct lu_fid *fid, const struct osd_inode_id *id,
88 struct thandle *th, int ingore_quota);
89 int osd_oi_delete(struct osd_thread_info *info,
90 struct osd_device *osd, const struct lu_fid *fid,
93 #endif /* __KERNEL__ */
94 #endif /* _OSD_OI_H */