1/* $NetBSD: ffs_extern.h,v 1.83 2016/10/01 13:15:45 jdolecek Exp $ */
2
3/*-
4 * Copyright (c) 1991, 1993, 1994
5 * The Regents of the University of California. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * 3. Neither the name of the University nor the names of its contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95
32 */
33
34#ifndef _UFS_FFS_FFS_EXTERN_H_
35#define _UFS_FFS_FFS_EXTERN_H_
36
37/*
38 * Sysctl values for the fast filesystem.
39 */
40#define FFS_CLUSTERREAD 1 /* cluster reading enabled */
41#define FFS_CLUSTERWRITE 2 /* cluster writing enabled */
42#define FFS_REALLOCBLKS 3 /* block reallocation enabled */
43#define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */
44#define FFS_LOG_CHANGEOPT 5 /* log optimalization strategy change */
45#define FFS_EXTATTR_AUTOCREATE 6 /* size for backing file autocreation */
46#define FFS_MAXID 7 /* number of valid ffs ids */
47
48struct buf;
49struct fid;
50struct fs;
51struct inode;
52struct ufs1_dinode;
53struct ufs2_dinode;
54struct mount;
55struct nameidata;
56struct lwp;
57struct statvfs;
58struct timeval;
59struct timespec;
60struct ufsmount;
61struct uio;
62struct vnode;
63struct mbuf;
64struct cg;
65
66#if defined(_KERNEL)
67
68#include <sys/pool.h>
69
70#define FFS_NOBLK ((daddr_t)-1)
71
72#define FFS_ITIMES(ip, acc, mod, cre) \
73 while ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)) \
74 ffs_itimes(ip, acc, mod, cre)
75
76extern pool_cache_t ffs_inode_cache; /* memory pool for inodes */
77extern pool_cache_t ffs_dinode1_cache; /* memory pool for UFS1 dinodes */
78extern pool_cache_t ffs_dinode2_cache; /* memory pool for UFS2 dinodes */
79
80#endif /* defined(_KERNEL) */
81
82__BEGIN_DECLS
83
84#if defined(_KERNEL)
85
86#include <sys/param.h>
87#include <sys/mount.h>
88#include <sys/wapbl.h>
89
90/* ffs_alloc.c */
91int ffs_alloc(struct inode *, daddr_t, daddr_t , int, int, kauth_cred_t,
92 daddr_t *);
93int ffs_realloccg(struct inode *, daddr_t, daddr_t, int, int ,
94 kauth_cred_t, struct buf **, daddr_t *);
95int ffs_valloc(struct vnode *, int, kauth_cred_t, ino_t *);
96daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int, int32_t *);
97daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int, int64_t *);
98int ffs_blkalloc(struct inode *, daddr_t, long);
99int ffs_blkalloc_ump(struct ufsmount *, daddr_t, long);
100void ffs_blkfree(struct fs *, struct vnode *, daddr_t, long, ino_t);
101void *ffs_discard_init(struct vnode *, struct fs *);
102void ffs_discard_finish(void *, int);
103void ffs_blkfree_snap(struct fs *, struct vnode *, daddr_t, long, ino_t);
104int ffs_vfree(struct vnode *, ino_t, int);
105int ffs_checkfreefile(struct fs *, struct vnode *, ino_t);
106int ffs_freefile(struct mount *, ino_t, int);
107int ffs_freefile_snap(struct fs *, struct vnode *, ino_t, int);
108
109/* ffs_balloc.c */
110int ffs_balloc(struct vnode *, off_t, int, kauth_cred_t, int,
111 struct buf **);
112
113/* ffs_inode.c */
114int ffs_update(struct vnode *, const struct timespec *,
115 const struct timespec *, int);
116int ffs_truncate(struct vnode *, off_t, int, kauth_cred_t);
117
118/* ffs_vfsops.c */
119VFS_PROTOS(ffs);
120
121int ffs_reload(struct mount *, kauth_cred_t, struct lwp *);
122int ffs_mountfs(struct vnode *, struct mount *, struct lwp *);
123int ffs_flushfiles(struct mount *, int, struct lwp *);
124int ffs_sbupdate(struct ufsmount *, int);
125int ffs_cgupdate(struct ufsmount *, int);
126
127/* ffs_vnops.c */
128int ffs_read(void *);
129int ffs_write(void *);
130int ffs_bufio(enum uio_rw, struct vnode *, void *, size_t, off_t, int,
131 kauth_cred_t, size_t *, struct lwp *);
132int ffs_bufrd(struct vnode *, struct uio *, int, kauth_cred_t);
133int ffs_bufwr(struct vnode *, struct uio *, int, kauth_cred_t);
134int ffs_fsync(void *);
135int ffs_spec_fsync(void *);
136int ffs_reclaim(void *);
137int ffs_getpages(void *);
138void ffs_gop_size(struct vnode *, off_t, off_t *, int);
139int ffs_openextattr(void *);
140int ffs_closeextattr(void *);
141int ffs_getextattr(void *);
142int ffs_setextattr(void *);
143int ffs_listextattr(void *);
144int ffs_deleteextattr(void *);
145int ffs_lock(void *);
146int ffs_unlock(void *);
147int ffs_islocked(void *);
148int ffs_full_fsync(struct vnode *, int);
149
150/*
151 * Snapshot function prototypes.
152 */
153int ffs_snapshot_init(struct ufsmount *);
154void ffs_snapshot_fini(struct ufsmount *);
155int ffs_snapblkfree(struct fs *, struct vnode *, daddr_t, long, ino_t);
156void ffs_snapremove(struct vnode *);
157int ffs_snapshot(struct mount *, struct vnode *, struct timespec *);
158void ffs_snapshot_mount(struct mount *);
159void ffs_snapshot_unmount(struct mount *);
160void ffs_snapgone(struct vnode *);
161int ffs_snapshot_read(struct vnode *, struct uio *, int);
162
163/* Write Ahead Physical Block Logging */
164void ffs_wapbl_verify_inodes(struct mount *, const char *);
165void ffs_wapbl_replay_finish(struct mount *);
166int ffs_wapbl_start(struct mount *);
167int ffs_wapbl_stop(struct mount *, int);
168int ffs_wapbl_replay_start(struct mount *, struct fs *, struct vnode *);
169void ffs_wapbl_blkalloc(struct fs *, struct vnode *, daddr_t, int);
170
171void ffs_wapbl_sync_metadata(struct mount *, struct wapbl_dealloc *);
172void ffs_wapbl_abort_sync_metadata(struct mount *, struct wapbl_dealloc *);
173
174extern int (**ffs_vnodeop_p)(void *);
175extern int (**ffs_specop_p)(void *);
176extern int (**ffs_fifoop_p)(void *);
177
178#endif /* defined(_KERNEL) */
179
180/* ffs_appleufs.c */
181struct appleufslabel;
182u_int16_t ffs_appleufs_cksum(const struct appleufslabel *);
183int ffs_appleufs_validate(const char*, const struct appleufslabel *,
184 struct appleufslabel *);
185void ffs_appleufs_set(struct appleufslabel *, const char *, time_t,
186 uint64_t);
187
188/* ffs_bswap.c */
189void ffs_sb_swap(struct fs*, struct fs *);
190void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *);
191void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *);
192struct csum;
193void ffs_csum_swap(struct csum *, struct csum *, int);
194struct csum_total;
195void ffs_csumtotal_swap(struct csum_total *, struct csum_total *);
196void ffs_cg_swap(struct cg *, struct cg *, struct fs *);
197
198/* ffs_subr.c */
199#if defined(_KERNEL)
200void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t);
201int ffs_getblk(struct vnode *, daddr_t, daddr_t, int, bool, buf_t **);
202#endif /* defined(_KERNEL) */
203void ffs_fragacct(struct fs *, int, int32_t[], int, int);
204int ffs_isblock(struct fs *, u_char *, int32_t);
205int ffs_isfreeblock(struct fs *, u_char *, int32_t);
206void ffs_clrblock(struct fs *, u_char *, int32_t);
207void ffs_setblock(struct fs *, u_char *, int32_t);
208void ffs_itimes(struct inode *, const struct timespec *,
209 const struct timespec *, const struct timespec *);
210void ffs_clusteracct(struct fs *, struct cg *, int32_t, int);
211
212/* ffs_quota2.c */
213int ffs_quota2_mount(struct mount *);
214
215__END_DECLS
216
217#endif /* !_UFS_FFS_FFS_EXTERN_H_ */
218