| 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 | |
| 48 | struct buf; |
| 49 | struct fid; |
| 50 | struct fs; |
| 51 | struct inode; |
| 52 | struct ufs1_dinode; |
| 53 | struct ufs2_dinode; |
| 54 | struct mount; |
| 55 | struct nameidata; |
| 56 | struct lwp; |
| 57 | struct statvfs; |
| 58 | struct timeval; |
| 59 | struct timespec; |
| 60 | struct ufsmount; |
| 61 | struct uio; |
| 62 | struct vnode; |
| 63 | struct mbuf; |
| 64 | struct 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 | |
| 76 | extern pool_cache_t ffs_inode_cache; /* memory pool for inodes */ |
| 77 | extern pool_cache_t ffs_dinode1_cache; /* memory pool for UFS1 dinodes */ |
| 78 | extern 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 */ |
| 91 | int ffs_alloc(struct inode *, daddr_t, daddr_t , int, int, kauth_cred_t, |
| 92 | daddr_t *); |
| 93 | int ffs_realloccg(struct inode *, daddr_t, daddr_t, int, int , |
| 94 | kauth_cred_t, struct buf **, daddr_t *); |
| 95 | int ffs_valloc(struct vnode *, int, kauth_cred_t, ino_t *); |
| 96 | daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int, int32_t *); |
| 97 | daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int, int64_t *); |
| 98 | int ffs_blkalloc(struct inode *, daddr_t, long); |
| 99 | int ffs_blkalloc_ump(struct ufsmount *, daddr_t, long); |
| 100 | void ffs_blkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); |
| 101 | void *ffs_discard_init(struct vnode *, struct fs *); |
| 102 | void ffs_discard_finish(void *, int); |
| 103 | void ffs_blkfree_snap(struct fs *, struct vnode *, daddr_t, long, ino_t); |
| 104 | int ffs_vfree(struct vnode *, ino_t, int); |
| 105 | int ffs_checkfreefile(struct fs *, struct vnode *, ino_t); |
| 106 | int ffs_freefile(struct mount *, ino_t, int); |
| 107 | int ffs_freefile_snap(struct fs *, struct vnode *, ino_t, int); |
| 108 | |
| 109 | /* ffs_balloc.c */ |
| 110 | int ffs_balloc(struct vnode *, off_t, int, kauth_cred_t, int, |
| 111 | struct buf **); |
| 112 | |
| 113 | /* ffs_inode.c */ |
| 114 | int ffs_update(struct vnode *, const struct timespec *, |
| 115 | const struct timespec *, int); |
| 116 | int ffs_truncate(struct vnode *, off_t, int, kauth_cred_t); |
| 117 | |
| 118 | /* ffs_vfsops.c */ |
| 119 | VFS_PROTOS(ffs); |
| 120 | |
| 121 | int ffs_reload(struct mount *, kauth_cred_t, struct lwp *); |
| 122 | int ffs_mountfs(struct vnode *, struct mount *, struct lwp *); |
| 123 | int ffs_flushfiles(struct mount *, int, struct lwp *); |
| 124 | int ffs_sbupdate(struct ufsmount *, int); |
| 125 | int ffs_cgupdate(struct ufsmount *, int); |
| 126 | |
| 127 | /* ffs_vnops.c */ |
| 128 | int ffs_read(void *); |
| 129 | int ffs_write(void *); |
| 130 | int ffs_bufio(enum uio_rw, struct vnode *, void *, size_t, off_t, int, |
| 131 | kauth_cred_t, size_t *, struct lwp *); |
| 132 | int ffs_bufrd(struct vnode *, struct uio *, int, kauth_cred_t); |
| 133 | int ffs_bufwr(struct vnode *, struct uio *, int, kauth_cred_t); |
| 134 | int ffs_fsync(void *); |
| 135 | int ffs_spec_fsync(void *); |
| 136 | int ffs_reclaim(void *); |
| 137 | int ffs_getpages(void *); |
| 138 | void ffs_gop_size(struct vnode *, off_t, off_t *, int); |
| 139 | int ffs_openextattr(void *); |
| 140 | int ffs_closeextattr(void *); |
| 141 | int ffs_getextattr(void *); |
| 142 | int ffs_setextattr(void *); |
| 143 | int ffs_listextattr(void *); |
| 144 | int ffs_deleteextattr(void *); |
| 145 | int ffs_lock(void *); |
| 146 | int ffs_unlock(void *); |
| 147 | int ffs_islocked(void *); |
| 148 | int ffs_full_fsync(struct vnode *, int); |
| 149 | |
| 150 | /* |
| 151 | * Snapshot function prototypes. |
| 152 | */ |
| 153 | int ffs_snapshot_init(struct ufsmount *); |
| 154 | void ffs_snapshot_fini(struct ufsmount *); |
| 155 | int ffs_snapblkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); |
| 156 | void ffs_snapremove(struct vnode *); |
| 157 | int ffs_snapshot(struct mount *, struct vnode *, struct timespec *); |
| 158 | void ffs_snapshot_mount(struct mount *); |
| 159 | void ffs_snapshot_unmount(struct mount *); |
| 160 | void ffs_snapgone(struct vnode *); |
| 161 | int ffs_snapshot_read(struct vnode *, struct uio *, int); |
| 162 | |
| 163 | /* Write Ahead Physical Block Logging */ |
| 164 | void ffs_wapbl_verify_inodes(struct mount *, const char *); |
| 165 | void ffs_wapbl_replay_finish(struct mount *); |
| 166 | int ffs_wapbl_start(struct mount *); |
| 167 | int ffs_wapbl_stop(struct mount *, int); |
| 168 | int ffs_wapbl_replay_start(struct mount *, struct fs *, struct vnode *); |
| 169 | void ffs_wapbl_blkalloc(struct fs *, struct vnode *, daddr_t, int); |
| 170 | |
| 171 | void ffs_wapbl_sync_metadata(struct mount *, struct wapbl_dealloc *); |
| 172 | void ffs_wapbl_abort_sync_metadata(struct mount *, struct wapbl_dealloc *); |
| 173 | |
| 174 | extern int (**ffs_vnodeop_p)(void *); |
| 175 | extern int (**ffs_specop_p)(void *); |
| 176 | extern int (**ffs_fifoop_p)(void *); |
| 177 | |
| 178 | #endif /* defined(_KERNEL) */ |
| 179 | |
| 180 | /* ffs_appleufs.c */ |
| 181 | struct appleufslabel; |
| 182 | u_int16_t ffs_appleufs_cksum(const struct appleufslabel *); |
| 183 | int ffs_appleufs_validate(const char*, const struct appleufslabel *, |
| 184 | struct appleufslabel *); |
| 185 | void ffs_appleufs_set(struct appleufslabel *, const char *, time_t, |
| 186 | uint64_t); |
| 187 | |
| 188 | /* ffs_bswap.c */ |
| 189 | void ffs_sb_swap(struct fs*, struct fs *); |
| 190 | void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *); |
| 191 | void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *); |
| 192 | struct csum; |
| 193 | void ffs_csum_swap(struct csum *, struct csum *, int); |
| 194 | struct csum_total; |
| 195 | void ffs_csumtotal_swap(struct csum_total *, struct csum_total *); |
| 196 | void ffs_cg_swap(struct cg *, struct cg *, struct fs *); |
| 197 | |
| 198 | /* ffs_subr.c */ |
| 199 | #if defined(_KERNEL) |
| 200 | void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); |
| 201 | int ffs_getblk(struct vnode *, daddr_t, daddr_t, int, bool, buf_t **); |
| 202 | #endif /* defined(_KERNEL) */ |
| 203 | void ffs_fragacct(struct fs *, int, int32_t[], int, int); |
| 204 | int ffs_isblock(struct fs *, u_char *, int32_t); |
| 205 | int ffs_isfreeblock(struct fs *, u_char *, int32_t); |
| 206 | void ffs_clrblock(struct fs *, u_char *, int32_t); |
| 207 | void ffs_setblock(struct fs *, u_char *, int32_t); |
| 208 | void ffs_itimes(struct inode *, const struct timespec *, |
| 209 | const struct timespec *, const struct timespec *); |
| 210 | void ffs_clusteracct(struct fs *, struct cg *, int32_t, int); |
| 211 | |
| 212 | /* ffs_quota2.c */ |
| 213 | int ffs_quota2_mount(struct mount *); |
| 214 | |
| 215 | __END_DECLS |
| 216 | |
| 217 | #endif /* !_UFS_FFS_FFS_EXTERN_H_ */ |
| 218 | |