1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
|
/*-
* Copyright (c) 2010-2012 Semihalf
* Copyright (c) 2008, 2009 Reinoud Zandijk
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* From: NetBSD: nilfs_subr.h,v 1.1 2009/07/18 16:31:42 reinoud
*
* $FreeBSD$
*/
#ifndef _FS_NANDFS_NANDFS_SUBR_H_
#define _FS_NANDFS_NANDFS_SUBR_H_
struct nandfs_mdt;
struct nandfs_alloc_request
{
uint64_t entrynum;
struct buf *bp_desc;
struct buf *bp_bitmap;
struct buf *bp_entry;
};
/* Segment creation */
void nandfs_wakeup_wait_sync(struct nandfs_device *, int);
int nandfs_segment_constructor(struct nandfsmount *, int);
int nandfs_sync_file(struct vnode *);
/* Basic calculators */
uint64_t nandfs_get_segnum_of_block(struct nandfs_device *, nandfs_daddr_t);
void nandfs_get_segment_range(struct nandfs_device *, uint64_t, uint64_t *,
uint64_t *);
void nandfs_calc_mdt_consts(struct nandfs_device *, struct nandfs_mdt *, int);
/* Log reading / volume helpers */
int nandfs_search_super_root(struct nandfs_device *);
/* Reading */
int nandfs_dev_bread(struct nandfs_device *, nandfs_daddr_t, struct ucred *,
int, struct buf **);
int nandfs_bread(struct nandfs_node *, nandfs_lbn_t, struct ucred *, int,
struct buf **);
int nandfs_bread_meta(struct nandfs_node *, nandfs_lbn_t, struct ucred *, int,
struct buf **);
int nandfs_bdestroy(struct nandfs_node *, nandfs_daddr_t);
int nandfs_bcreate(struct nandfs_node *, nandfs_lbn_t, struct ucred *, int,
struct buf **);
int nandfs_bcreate_meta(struct nandfs_node *, nandfs_lbn_t, struct ucred *,
int, struct buf **);
int nandfs_bread_create(struct nandfs_node *, nandfs_lbn_t, struct ucred *,
int, struct buf **);
/* vtop operations */
int nandfs_vtop(struct nandfs_node *, nandfs_daddr_t, nandfs_daddr_t *);
/* Node action implementators */
int nandfs_vinit(struct vnode *, uint64_t);
int nandfs_get_node(struct nandfsmount *, uint64_t, struct nandfs_node **);
int nandfs_get_node_raw(struct nandfs_device *, struct nandfsmount *, uint64_t,
struct nandfs_inode *, struct nandfs_node **);
void nandfs_dispose_node(struct nandfs_node **);
void nandfs_itimes(struct vnode *);
int nandfs_lookup_name_in_dir(struct vnode *, const char *, int, uint64_t *,
int *, uint64_t *);
int nandfs_create_node(struct vnode *, struct vnode **, struct vattr *,
struct componentname *);
void nandfs_delete_node(struct nandfs_node *);
int nandfs_chsize(struct vnode *, u_quad_t, struct ucred *);
int nandfs_dir_detach(struct nandfsmount *, struct nandfs_node *,
struct nandfs_node *, struct componentname *);
int nandfs_dir_attach(struct nandfsmount *, struct nandfs_node *,
struct nandfs_node *, struct vattr *, struct componentname *);
int nandfs_dirty_buf(struct buf *, int);
int nandfs_dirty_buf_meta(struct buf *, int);
int nandfs_fs_full(struct nandfs_device *);
void nandfs_undirty_buf_fsdev(struct nandfs_device *, struct buf *);
void nandfs_undirty_buf(struct buf *);
void nandfs_clear_buf(struct buf *);
void nandfs_buf_set(struct buf *, uint32_t);
void nandfs_buf_clear(struct buf *, uint32_t);
int nandfs_buf_check(struct buf *, uint32_t);
int nandfs_find_free_entry(struct nandfs_mdt *, struct nandfs_node *,
struct nandfs_alloc_request *);
int nandfs_find_entry(struct nandfs_mdt *, struct nandfs_node *,
struct nandfs_alloc_request *);
int nandfs_alloc_entry(struct nandfs_mdt *, struct nandfs_alloc_request *);
void nandfs_abort_entry(struct nandfs_alloc_request *);
int nandfs_free_entry(struct nandfs_mdt *, struct nandfs_alloc_request *);
int nandfs_get_entry_block(struct nandfs_mdt *, struct nandfs_node *,
struct nandfs_alloc_request *, uint32_t *, int);
/* Inode management. */
int nandfs_node_create(struct nandfsmount *, struct nandfs_node **, uint16_t);
int nandfs_node_destroy(struct nandfs_node *);
int nandfs_node_update(struct nandfs_node *);
int nandfs_get_node_entry(struct nandfsmount *, struct nandfs_inode **,
uint64_t, struct buf **);
void nandfs_mdt_trans_blk(struct nandfs_mdt *, uint64_t, uint64_t *,
uint64_t *, nandfs_lbn_t *, uint32_t *);
/* vblock management */
void nandfs_mdt_trans(struct nandfs_mdt *, uint64_t, nandfs_lbn_t *, uint32_t *);
int nandfs_vblock_alloc(struct nandfs_device *, nandfs_daddr_t *);
int nandfs_vblock_end(struct nandfs_device *, nandfs_daddr_t);
int nandfs_vblock_assign(struct nandfs_device *, nandfs_daddr_t,
nandfs_lbn_t);
int nandfs_vblock_free(struct nandfs_device *, nandfs_daddr_t);
/* Checkpoint management */
int nandfs_get_checkpoint(struct nandfs_device *, struct nandfs_node *,
uint64_t);
int nandfs_set_checkpoint(struct nandfs_device *, struct nandfs_node *,
uint64_t, struct nandfs_inode *, uint64_t);
/* Segment management */
int nandfs_alloc_segment(struct nandfs_device *, uint64_t *);
int nandfs_update_segment(struct nandfs_device *, uint64_t, uint32_t);
int nandfs_free_segment(struct nandfs_device *, uint64_t);
int nandfs_clear_segment(struct nandfs_device *, uint64_t);
int nandfs_touch_segment(struct nandfs_device *, uint64_t);
int nandfs_markgc_segment(struct nandfs_device *, uint64_t);
int nandfs_bmap_insert_block(struct nandfs_node *, nandfs_lbn_t, struct buf *);
int nandfs_bmap_update_block(struct nandfs_node *, struct buf *, nandfs_lbn_t);
int nandfs_bmap_update_dat(struct nandfs_node *, nandfs_daddr_t, struct buf *);
int nandfs_bmap_dirty_blocks(struct nandfs_node *, struct buf *, int);
int nandfs_bmap_truncate_mapping(struct nandfs_node *, nandfs_lbn_t,
nandfs_lbn_t);
int nandfs_bmap_lookup(struct nandfs_node *, nandfs_lbn_t, nandfs_daddr_t *);
/* dirent */
int nandfs_add_dirent(struct vnode *, uint64_t, char *, long, uint8_t);
int nandfs_remove_dirent(struct vnode *, struct nandfs_node *,
struct componentname *);
int nandfs_update_dirent(struct vnode *, struct nandfs_node *,
struct nandfs_node *);
int nandfs_init_dir(struct vnode *, uint64_t, uint64_t);
int nandfs_update_parent_dir(struct vnode *, uint64_t);
void nandfs_vblk_set(struct buf *, nandfs_daddr_t);
nandfs_daddr_t nandfs_vblk_get(struct buf *);
void nandfs_inode_init(struct nandfs_inode *, uint16_t);
void nandfs_inode_destroy(struct nandfs_inode *);
/* ioctl */
int nandfs_get_seg_stat(struct nandfs_device *, struct nandfs_seg_stat *);
int nandfs_chng_cpmode(struct nandfs_node *, struct nandfs_cpmode *);
int nandfs_get_cpinfo_ioctl(struct nandfs_node *, struct nandfs_argv *);
int nandfs_delete_cp(struct nandfs_node *, uint64_t start, uint64_t);
int nandfs_make_snap(struct nandfs_device *, uint64_t *);
int nandfs_delete_snap(struct nandfs_device *, uint64_t);
int nandfs_get_cpstat(struct nandfs_node *, struct nandfs_cpstat *);
int nandfs_get_segment_info_ioctl(struct nandfs_device *, struct nandfs_argv *);
int nandfs_get_dat_vinfo_ioctl(struct nandfs_device *, struct nandfs_argv *);
int nandfs_get_dat_bdescs_ioctl(struct nandfs_device *, struct nandfs_argv *);
int nandfs_get_fsinfo(struct nandfsmount *, struct nandfs_fsinfo *);
int nandfs_get_cpinfo(struct nandfs_node *, uint64_t, uint16_t,
struct nandfs_cpinfo *, uint32_t, uint32_t *);
nandfs_lbn_t nandfs_get_maxfilesize(struct nandfs_device *);
int nandfs_write_superblock(struct nandfs_device *);
extern int nandfs_sync_interval;
extern int nandfs_max_dirty_segs;
extern int nandfs_cps_between_sblocks;
struct buf *nandfs_geteblk(int, int);
void nandfs_dirty_bufs_increment(struct nandfs_device *);
void nandfs_dirty_bufs_decrement(struct nandfs_device *);
int nandfs_start_cleaner(struct nandfs_device *);
int nandfs_stop_cleaner(struct nandfs_device *);
int nandfs_segsum_valid(struct nandfs_segment_summary *);
int nandfs_load_segsum(struct nandfs_device *, nandfs_daddr_t,
struct nandfs_segment_summary *);
int nandfs_get_segment_info(struct nandfs_device *, struct nandfs_suinfo *,
uint32_t, uint64_t);
int nandfs_get_segment_info_filter(struct nandfs_device *,
struct nandfs_suinfo *, uint32_t, uint64_t, uint64_t *, uint32_t, uint32_t);
int nandfs_get_dat_vinfo(struct nandfs_device *, struct nandfs_vinfo *,
uint32_t);
int nandfs_get_dat_bdescs(struct nandfs_device *, struct nandfs_bdesc *,
uint32_t);
#define NANDFS_VBLK_ASSIGNED 1
#define NANDFS_IS_INDIRECT(bp) ((bp)->b_lblkno < 0)
int nandfs_erase(struct nandfs_device *, off_t, size_t);
#define NANDFS_VOP_ISLOCKED(vp) nandfs_vop_islocked((vp))
int nandfs_vop_islocked(struct vnode *vp);
nandfs_daddr_t nandfs_block_to_dblock(struct nandfs_device *, nandfs_lbn_t);
#define DEBUG_MODE
#if defined(DEBUG_MODE)
#define nandfs_error panic
#define nandfs_warning printf
#elif defined(TEST_MODE)
#define nandfs_error printf
#define nandfs_warning printf
#else
#define nandfs_error(...)
#define nandfs_warning(...)
#endif
#endif /* !_FS_NANDFS_NANDFS_SUBR_H_ */
|