ffs_extern.h revision 1.33
1 /* $NetBSD: ffs_extern.h,v 1.33 2003/08/07 16:34:29 agc 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_MAXID 6 /* number of valid ffs ids */ 46 47 #define FFS_NAMES { \ 48 { 0, 0 }, \ 49 { "doclusterread", CTLTYPE_INT }, \ 50 { "doclusterwrite", CTLTYPE_INT }, \ 51 { "doreallocblks", CTLTYPE_INT }, \ 52 { "doasyncfree", CTLTYPE_INT }, \ 53 { "log_changeopt", CTLTYPE_INT }, \ 54 } 55 56 struct buf; 57 struct fid; 58 struct fs; 59 struct inode; 60 struct ufs1_dinode; 61 struct ufs2_dinode; 62 struct mount; 63 struct nameidata; 64 struct proc; 65 struct statfs; 66 struct timeval; 67 struct ucred; 68 struct ufsmount; 69 struct uio; 70 struct vnode; 71 struct mbuf; 72 struct cg; 73 74 extern struct pool ffs_inode_pool; /* memory pool for inodes */ 75 extern struct pool ffs_dinode1_pool; /* memory pool for UFS1 dinodes */ 76 extern struct pool ffs_dinode2_pool; /* memory pool for UFS2 dinodes */ 77 78 __BEGIN_DECLS 79 80 /* ffs_alloc.c */ 81 int ffs_alloc __P((struct inode *, daddr_t, daddr_t , int, struct ucred *, 82 daddr_t *)); 83 int ffs_realloccg __P((struct inode *, daddr_t, daddr_t, int, int , 84 struct ucred *, struct buf **, daddr_t *)); 85 int ffs_reallocblks __P((void *)); 86 int ffs_valloc __P((void *)); 87 daddr_t ffs_blkpref_ufs1 __P((struct inode *, daddr_t, int, int32_t *)); 88 daddr_t ffs_blkpref_ufs2 __P((struct inode *, daddr_t, int, int64_t *)); 89 void ffs_blkfree __P((struct inode *, daddr_t, long)); 90 int ffs_vfree __P((void *)); 91 void ffs_clusteracct __P((struct fs *, struct cg *, int32_t, int)); 92 93 /* ffs_balloc.c */ 94 int ffs_balloc __P((void *)); 95 96 /* ffs_bswap.c */ 97 void ffs_sb_swap __P((struct fs*, struct fs *)); 98 void ffs_dinode1_swap __P((struct ufs1_dinode *, struct ufs1_dinode *)); 99 void ffs_dinode2_swap __P((struct ufs2_dinode *, struct ufs2_dinode *)); 100 void ffs_csum_swap __P((struct csum *, struct csum *, int)); 101 void ffs_csumtotal_swap __P((struct csum_total *, struct csum_total *)); 102 void ffs_cg_swap __P((struct cg *, struct cg *, struct fs *)); 103 104 /* ffs_inode.c */ 105 int ffs_update __P((void *)); 106 int ffs_truncate __P((void *)); 107 108 /* ffs_subr.c */ 109 void ffs_load_inode __P((struct buf *, struct inode *, struct fs *, ino_t)); 110 int ffs_blkatoff __P((void *)); 111 int ffs_freefile __P((void *)); 112 void ffs_fragacct __P((struct fs *, int, int32_t[], int, int)); 113 #ifdef DIAGNOSTIC 114 void ffs_checkoverlap __P((struct buf *, struct inode *)); 115 #endif 116 int ffs_isblock __P((struct fs *, u_char *, int32_t)); 117 int ffs_isfreeblock __P((struct fs *, u_char *, int32_t)); 118 void ffs_clrblock __P((struct fs *, u_char *, int32_t)); 119 void ffs_setblock __P((struct fs *, u_char *, int32_t)); 120 121 /* ffs_vfsops.c */ 122 void ffs_init __P((void)); 123 void ffs_reinit __P((void)); 124 void ffs_done __P((void)); 125 int ffs_mountroot __P((void)); 126 int ffs_mount __P((struct mount *, const char *, void *, struct nameidata *, 127 struct proc *)); 128 int ffs_reload __P((struct mount *, struct ucred *, struct proc *)); 129 int ffs_mountfs __P((struct vnode *, struct mount *, struct proc *)); 130 int ffs_unmount __P((struct mount *, int, struct proc *)); 131 int ffs_flushfiles __P((struct mount *, int, struct proc *)); 132 int ffs_statfs __P((struct mount *, struct statfs *, struct proc *)); 133 int ffs_sync __P((struct mount *, int, struct ucred *, struct proc *)); 134 int ffs_vget __P((struct mount *, ino_t, struct vnode **)); 135 int ffs_fhtovp __P((struct mount *, struct fid *, struct vnode **)); 136 int ffs_vptofh __P((struct vnode *, struct fid *)); 137 int ffs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, 138 struct proc *)); 139 int ffs_sbupdate __P((struct ufsmount *, int)); 140 int ffs_cgupdate __P((struct ufsmount *, int)); 141 142 /* ffs_appleufs.c */ 143 u_int16_t ffs_appleufs_cksum __P((const struct appleufslabel *)); 144 int ffs_appleufs_validate __P((const char*,const struct appleufslabel *,struct appleufslabel *)); 145 void ffs_appleufs_set __P((struct appleufslabel *, const char *, time_t)); 146 147 148 /* ffs_vnops.c */ 149 int ffs_read __P((void *)); 150 int ffs_write __P((void *)); 151 int ffs_fsync __P((void *)); 152 int ffs_reclaim __P((void *)); 153 int ffs_getpages __P((void *)); 154 int ffs_putpages __P((void *)); 155 void ffs_gop_size __P((struct vnode *, off_t, off_t *, int)); 156 __END_DECLS 157 158 159 /* 160 * Soft dependency function prototypes. 161 */ 162 void softdep_initialize __P((void)); 163 void softdep_reinitialize __P((void)); 164 int softdep_mount __P((struct vnode *, struct mount *, struct fs *, 165 struct ucred *)); 166 int softdep_flushfiles __P((struct mount *, int, struct proc *)); 167 void softdep_update_inodeblock __P((struct inode *, struct buf *, int)); 168 void softdep_load_inodeblock __P((struct inode *)); 169 void softdep_freefile __P((void *)); 170 void softdep_setup_freeblocks __P((struct inode *, off_t, int)); 171 void softdep_setup_inomapdep __P((struct buf *, struct inode *, ino_t)); 172 void softdep_setup_blkmapdep __P((struct buf *, struct fs *, daddr_t)); 173 void softdep_setup_allocdirect __P((struct inode *, daddr_t, daddr_t, 174 daddr_t, long, long, struct buf *)); 175 void softdep_setup_allocindir_meta __P((struct buf *, struct inode *, 176 struct buf *, int, daddr_t)); 177 void softdep_setup_allocindir_page __P((struct inode *, daddr_t, 178 struct buf *, int, daddr_t, daddr_t, struct buf *)); 179 void softdep_fsync_mountdev __P((struct vnode *)); 180 int softdep_sync_metadata __P((void *)); 181 182 extern int (**ffs_vnodeop_p) __P((void *)); 183 extern int (**ffs_specop_p) __P((void *)); 184 extern int (**ffs_fifoop_p) __P((void *)); 185 186 #endif /* !_UFS_FFS_FFS_EXTERN_H_ */ 187
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