1 /* $NetBSD: ffs_extern.h,v 1.80 2013/06/16 13:33:30 hannken 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, struct vnode **); 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_fsync(void *); 131 int ffs_spec_fsync(void *); 132 int ffs_reclaim(void *); 133 int ffs_getpages(void *); 134 void ffs_gop_size(struct vnode *, off_t, off_t *, int); 135 int ffs_openextattr(void *); 136 int ffs_closeextattr(void *); 137 int ffs_getextattr(void *); 138 int ffs_setextattr(void *); 139 int ffs_listextattr(void *); 140 int ffs_deleteextattr(void *); 141 int ffs_lock(void *); 142 int ffs_unlock(void *); 143 int ffs_islocked(void *); 144 int ffs_full_fsync(struct vnode *, int); 145 146 /* 147 * Snapshot function prototypes. 148 */ 149 int ffs_snapshot_init(struct ufsmount *); 150 void ffs_snapshot_fini(struct ufsmount *); 151 int ffs_snapblkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); 152 void ffs_snapremove(struct vnode *); 153 int ffs_snapshot(struct mount *, struct vnode *, struct timespec *); 154 void ffs_snapshot_mount(struct mount *); 155 void ffs_snapshot_unmount(struct mount *); 156 void ffs_snapgone(struct vnode *); 157 int ffs_snapshot_read(struct vnode *, struct uio *, int); 158 159 /* Write Ahead Physical Block Logging */ 160 void ffs_wapbl_verify_inodes(struct mount *, const char *); 161 void ffs_wapbl_replay_finish(struct mount *); 162 int ffs_wapbl_start(struct mount *); 163 int ffs_wapbl_stop(struct mount *, int); 164 int ffs_wapbl_replay_start(struct mount *, struct fs *, struct vnode *); 165 void ffs_wapbl_blkalloc(struct fs *, struct vnode *, daddr_t, int); 166 167 void ffs_wapbl_sync_metadata(struct mount *, daddr_t *, int *, int); 168 void ffs_wapbl_abort_sync_metadata(struct mount *, daddr_t *, int *, int); 169 170 extern int (**ffs_vnodeop_p)(void *); 171 extern int (**ffs_specop_p)(void *); 172 extern int (**ffs_fifoop_p)(void *); 173 174 #endif /* defined(_KERNEL) */ 175 176 /* ffs_appleufs.c */ 177 struct appleufslabel; 178 u_int16_t ffs_appleufs_cksum(const struct appleufslabel *); 179 int ffs_appleufs_validate(const char*, const struct appleufslabel *, 180 struct appleufslabel *); 181 void ffs_appleufs_set(struct appleufslabel *, const char *, time_t, 182 uint64_t); 183 184 /* ffs_bswap.c */ 185 void ffs_sb_swap(struct fs*, struct fs *); 186 void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *); 187 void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *); 188 struct csum; 189 void ffs_csum_swap(struct csum *, struct csum *, int); 190 struct csum_total; 191 void ffs_csumtotal_swap(struct csum_total *, struct csum_total *); 192 void ffs_cg_swap(struct cg *, struct cg *, struct fs *); 193 194 /* ffs_subr.c */ 195 #if defined(_KERNEL) 196 void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); 197 int ffs_getblk(struct vnode *, daddr_t, daddr_t, int, bool, buf_t **); 198 #endif /* defined(_KERNEL) */ 199 void ffs_fragacct(struct fs *, int, int32_t[], int, int); 200 int ffs_isblock(struct fs *, u_char *, int32_t); 201 int ffs_isfreeblock(struct fs *, u_char *, int32_t); 202 void ffs_clrblock(struct fs *, u_char *, int32_t); 203 void ffs_setblock(struct fs *, u_char *, int32_t); 204 void ffs_itimes(struct inode *, const struct timespec *, 205 const struct timespec *, const struct timespec *); 206 void ffs_clusteracct(struct fs *, struct cg *, int32_t, int); 207 208 /* ffs_quota2.c */ 209 int ffs_quota2_mount(struct mount *); 210 211 __END_DECLS 212 213 #endif /* !_UFS_FFS_FFS_EXTERN_H_ */ 214