1 | /* $NetBSD: lfs_extern.h,v 1.111 2016/06/20 03:29:52 dholland Exp $ */ |
2 | |
3 | /*- |
4 | * Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc. |
5 | * All rights reserved. |
6 | * |
7 | * This code is derived from software contributed to The NetBSD Foundation |
8 | * by Konrad E. Schroder <perseant@hhhh.org>. |
9 | * |
10 | * Redistribution and use in source and binary forms, with or without |
11 | * modification, are permitted provided that the following conditions |
12 | * are met: |
13 | * 1. Redistributions of source code must retain the above copyright |
14 | * notice, this list of conditions and the following disclaimer. |
15 | * 2. Redistributions in binary form must reproduce the above copyright |
16 | * notice, this list of conditions and the following disclaimer in the |
17 | * documentation and/or other materials provided with the distribution. |
18 | * |
19 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
20 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
21 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
22 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
23 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
24 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
25 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
26 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
27 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
28 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
29 | * POSSIBILITY OF SUCH DAMAGE. |
30 | */ |
31 | /*- |
32 | * Copyright (c) 1991, 1993, 1994 |
33 | * The Regents of the University of California. All rights reserved. |
34 | * |
35 | * Redistribution and use in source and binary forms, with or without |
36 | * modification, are permitted provided that the following conditions |
37 | * are met: |
38 | * 1. Redistributions of source code must retain the above copyright |
39 | * notice, this list of conditions and the following disclaimer. |
40 | * 2. Redistributions in binary form must reproduce the above copyright |
41 | * notice, this list of conditions and the following disclaimer in the |
42 | * documentation and/or other materials provided with the distribution. |
43 | * 3. Neither the name of the University nor the names of its contributors |
44 | * may be used to endorse or promote products derived from this software |
45 | * without specific prior written permission. |
46 | * |
47 | * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND |
48 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
49 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
50 | * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE |
51 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
52 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
53 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
54 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
55 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
56 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
57 | * SUCH DAMAGE. |
58 | * |
59 | * @(#)lfs_extern.h 8.6 (Berkeley) 5/8/95 |
60 | */ |
61 | |
62 | #ifndef _UFS_LFS_LFS_EXTERN_H_ |
63 | #define _UFS_LFS_LFS_EXTERN_H_ |
64 | |
65 | #ifdef _KERNEL |
66 | #include <sys/mallocvar.h> |
67 | |
68 | MALLOC_DECLARE(M_SEGMENT); |
69 | #endif |
70 | |
71 | /* Copied from ext2fs for ITIMES. XXX This is a bogus use of v_tag. */ |
72 | #define IS_LFS_VNODE(vp) (vp->v_tag == VT_LFS) |
73 | |
74 | /* |
75 | * Sysctl values for LFS. |
76 | */ |
77 | #define LFS_WRITEINDIR 1 /* flush indirect blocks on non-checkpoint writes */ |
78 | #define LFS_CLEAN_VNHEAD 2 /* put prev unrefed cleaned vnodes on head of free list */ |
79 | #define LFS_DOSTATS 3 |
80 | #define LFS_MAXPAGES 4 |
81 | #define LFS_FS_PAGETRIP 5 |
82 | #define LFS_STATS 6 |
83 | #define LFS_DO_RFW 7 |
84 | #define LFS_DEBUGLOG 8 |
85 | #define LFS_IGNORE_LAZY_SYNC 9 |
86 | #define LFS_MAXID 10 |
87 | |
88 | /* not ours */ |
89 | struct fid; |
90 | struct mount; |
91 | struct nameidata; |
92 | struct proc; |
93 | struct statvfs; |
94 | struct timeval; |
95 | struct uio; |
96 | struct mbuf; |
97 | struct buf; |
98 | struct vnode; |
99 | |
100 | /* ours */ |
101 | struct inode; |
102 | union lfs_dinode; |
103 | struct dlfs; |
104 | struct lfs; |
105 | struct segment; |
106 | struct block_info; |
107 | |
108 | __BEGIN_DECLS |
109 | |
110 | #if defined(_KERNEL) |
111 | |
112 | extern int lfs_allclean_wakeup; |
113 | extern struct pool lfs_inode_pool; /* memory pool for inodes */ |
114 | extern struct pool lfs_dinode_pool; /* memory pool for dinodes */ |
115 | extern struct pool lfs_inoext_pool; /* memory pool for inode extension */ |
116 | extern struct pool lfs_lbnentry_pool; /* memory pool for balloc accounting */ |
117 | |
118 | extern int locked_queue_count; |
119 | extern long locked_queue_bytes; |
120 | extern int lfs_subsys_pages; |
121 | extern int lfs_dirvcount; |
122 | extern kmutex_t lfs_lock; |
123 | extern int lfs_debug_log_subsys[]; |
124 | extern kcondvar_t lfs_writing_cv; |
125 | extern kcondvar_t locked_queue_cv; |
126 | |
127 | /* lfs_alloc.c */ |
128 | int lfs_valloc(struct vnode *, int, kauth_cred_t, ino_t *, int *); |
129 | int lfs_valloc_fixed(struct lfs *, ino_t, int); |
130 | int lfs_vfree(struct vnode *, ino_t, int); |
131 | void lfs_order_freelist(struct lfs *); |
132 | int lfs_extend_ifile(struct lfs *, kauth_cred_t); |
133 | void lfs_orphan(struct lfs *, ino_t); |
134 | |
135 | /* lfs_balloc.c */ |
136 | int lfs_balloc(struct vnode *, off_t, int, kauth_cred_t, int, struct buf **); |
137 | void lfs_register_block(struct vnode *, daddr_t); |
138 | void lfs_deregister_block(struct vnode *, daddr_t); |
139 | void lfs_deregister_all(struct vnode *); |
140 | |
141 | /* lfs_bio.c */ |
142 | int lfs_availwait(struct lfs *, int); |
143 | int lfs_bwrite_ext(struct buf *, int); |
144 | int lfs_fits(struct lfs *, int); |
145 | void lfs_flush_fs(struct lfs *, int); |
146 | void lfs_flush(struct lfs *, int, int); |
147 | int lfs_check(struct vnode *, daddr_t, int); |
148 | void lfs_freebuf(struct lfs *, struct buf *); |
149 | struct buf *lfs_newbuf(struct lfs *, struct vnode *, daddr_t, size_t, int); |
150 | void lfs_countlocked(int *, long *, const char *); |
151 | int lfs_reserve(struct lfs *, struct vnode *, struct vnode *, int); |
152 | |
153 | /* lfs_debug.c */ |
154 | #ifdef DEBUG |
155 | int lfs_bwrite_log(struct buf *, const char *, int); |
156 | void lfs_dumplog(void); |
157 | void lfs_dump_super(struct lfs *); |
158 | void lfs_dump_dinode(struct lfs *, union lfs_dinode *); |
159 | void lfs_check_bpp(struct lfs *, struct segment *, char *, int); |
160 | void lfs_check_segsum(struct lfs *, struct segment *, char *, int); |
161 | void lfs_debug_log(int, const char *, ...); |
162 | #endif /* DEBUG */ |
163 | |
164 | /* lfs_inode.c */ |
165 | int lfs_update(struct vnode *, const struct timespec *, const struct timespec *, |
166 | int); |
167 | int lfs_truncate(struct vnode *, off_t, int, kauth_cred_t); |
168 | union lfs_dinode *lfs_ifind(struct lfs *, ino_t, struct buf *); |
169 | void lfs_finalize_ino_seguse(struct lfs *, struct inode *); |
170 | void lfs_finalize_fs_seguse(struct lfs *); |
171 | |
172 | /* lfs_rename.c */ |
173 | int lfs_rename(void *); |
174 | |
175 | /* lfs_rfw.c */ |
176 | int lfs_rf_valloc(struct lfs *, ino_t, int, struct lwp *, struct vnode **); |
177 | void lfs_roll_forward(struct lfs *, struct mount *, struct lwp *); |
178 | |
179 | /* lfs_segment.c */ |
180 | void lfs_imtime(struct lfs *); |
181 | int lfs_vflush(struct vnode *); |
182 | int lfs_segwrite(struct mount *, int); |
183 | int lfs_writefile(struct lfs *, struct segment *, struct vnode *); |
184 | int lfs_writeinode(struct lfs *, struct segment *, struct inode *); |
185 | int lfs_gatherblock(struct segment *, struct buf *, kmutex_t *); |
186 | int lfs_gather(struct lfs *, struct segment *, struct vnode *, int (*match )(struct lfs *, struct buf *)); |
187 | void lfs_update_single(struct lfs *, struct segment *, struct vnode *, |
188 | daddr_t, daddr_t, int); |
189 | void lfs_updatemeta(struct segment *); |
190 | int lfs_rewind(struct lfs *, int); |
191 | void lfs_unset_inval_all(struct lfs *); |
192 | int lfs_initseg(struct lfs *); |
193 | int lfs_writeseg(struct lfs *, struct segment *); |
194 | void lfs_writesuper(struct lfs *, daddr_t); |
195 | int lfs_match_data(struct lfs *, struct buf *); |
196 | int lfs_match_indir(struct lfs *, struct buf *); |
197 | int lfs_match_dindir(struct lfs *, struct buf *); |
198 | int lfs_match_tindir(struct lfs *, struct buf *); |
199 | void lfs_callback(struct buf *); |
200 | void lfs_acquire_finfo(struct lfs *fs, ino_t, int); |
201 | void lfs_release_finfo(struct lfs *fs); |
202 | |
203 | /* lfs_subr.c */ |
204 | void lfs_setup_resblks(struct lfs *); |
205 | void lfs_pad_check(unsigned char *, int, char *, int); |
206 | void lfs_free_resblks(struct lfs *); |
207 | void *lfs_malloc(struct lfs *, size_t, int); |
208 | void lfs_free(struct lfs *, void *, int); |
209 | int lfs_seglock(struct lfs *, unsigned long); |
210 | void lfs_segunlock(struct lfs *); |
211 | void lfs_segunlock_relock(struct lfs *); |
212 | int lfs_writer_enter(struct lfs *, const char *); |
213 | void lfs_writer_leave(struct lfs *); |
214 | void lfs_wakeup_cleaner(struct lfs *); |
215 | |
216 | /* lfs_syscalls.c */ |
217 | int lfs_do_segclean(struct lfs *, unsigned long); |
218 | int lfs_segwait(fsid_t *, struct timeval *); |
219 | int lfs_bmapv(struct lwp *, fsid_t *, struct block_info *, int); |
220 | int lfs_markv(struct lwp *, fsid_t *, struct block_info *, int); |
221 | |
222 | /* lfs_vfsops.c */ |
223 | VFS_PROTOS(lfs); |
224 | void lfs_vinit(struct mount *, struct vnode **); |
225 | int lfs_resize_fs(struct lfs *, int); |
226 | |
227 | /* lfs_vnops.c */ |
228 | void lfs_mark_vnode(struct vnode *); |
229 | void lfs_unmark_vnode(struct vnode *); |
230 | int lfs_gop_alloc(struct vnode *, off_t, off_t, int, kauth_cred_t); |
231 | void lfs_gop_size(struct vnode *, off_t, off_t *, int); |
232 | int lfs_putpages_ext(void *, int); |
233 | int lfs_gatherpages(struct vnode *); |
234 | int lfs_flush_dirops(struct lfs *); |
235 | int lfs_flush_pchain(struct lfs *); |
236 | |
237 | int lfs_bwrite (void *); |
238 | int lfs_fsync (void *); |
239 | int lfs_symlink (void *); |
240 | int lfs_mknod (void *); |
241 | int lfs_create (void *); |
242 | int lfs_mkdir (void *); |
243 | int lfs_read (void *); |
244 | int lfs_remove (void *); |
245 | int lfs_rmdir (void *); |
246 | int lfs_link (void *); |
247 | int lfs_mmap (void *); |
248 | int lfs_rename (void *); |
249 | int lfs_getattr (void *); |
250 | int lfs_setattr (void *); |
251 | int lfs_close (void *); |
252 | int lfsspec_close(void *); |
253 | int lfsfifo_close(void *); |
254 | int lfs_fcntl (void *); |
255 | int lfs_inactive (void *); |
256 | int lfs_reclaim (void *); |
257 | int lfs_strategy (void *); |
258 | int lfs_write (void *); |
259 | int lfs_getpages (void *); |
260 | int lfs_putpages (void *); |
261 | |
262 | int lfs_bufrd(struct vnode *, struct uio *, int, kauth_cred_t); |
263 | int lfs_bufwr(struct vnode *, struct uio *, int, kauth_cred_t); |
264 | |
265 | extern int lfs_mount_type; |
266 | extern int (**lfs_vnodeop_p)(void *); |
267 | extern int (**lfs_specop_p)(void *); |
268 | extern int (**lfs_fifoop_p)(void *); |
269 | extern const struct genfs_ops lfs_genfsops; |
270 | |
271 | #endif /* defined(_KERNEL) */ |
272 | |
273 | /* lfs_cksum.c */ |
274 | uint32_t cksum(void *, size_t); |
275 | uint32_t lfs_cksum_part(void *, size_t, uint32_t); |
276 | #define lfs_cksum_fold(sum) (sum) |
277 | uint32_t lfs_sb_cksum(struct lfs *); |
278 | |
279 | __END_DECLS |
280 | |
281 | #endif /* !_UFS_LFS_LFS_EXTERN_H_ */ |
282 | |