1/* $NetBSD: ffs_extern.h,v 1.77 2011/04/27 07:24:52 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 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, struct vnode **); 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_blkfree_snap(struct fs *, struct vnode *, daddr_t, long, ino_t); 102int ffs_vfree(struct vnode *, ino_t, int); 103int ffs_checkfreefile(struct fs *, struct vnode *, ino_t); 104int ffs_freefile(struct mount *, ino_t, int); 105int ffs_freefile_snap(struct fs *, struct vnode *, ino_t, int); 106 107/* ffs_balloc.c */ 108int ffs_balloc(struct vnode *, off_t, int, kauth_cred_t, int, 109 struct buf **); 110 111/* ffs_inode.c */ 112int ffs_update(struct vnode *, const struct timespec *, 113 const struct timespec *, int); 114int ffs_truncate(struct vnode *, off_t, int, kauth_cred_t); 115 116/* ffs_vfsops.c */ 117VFS_PROTOS(ffs); 118 119int ffs_reload(struct mount *, kauth_cred_t, struct lwp *); 120int ffs_mountfs(struct vnode *, struct mount *, struct lwp *); 121int ffs_flushfiles(struct mount *, int, struct lwp *); 122int ffs_sbupdate(struct ufsmount *, int); 123int ffs_cgupdate(struct ufsmount *, int); 124 125/* ffs_vnops.c */ 126int ffs_read(void *); 127int ffs_write(void *); 128int ffs_fsync(void *); 129int ffs_spec_fsync(void *); 130int ffs_reclaim(void *); 131int ffs_getpages(void *); 132void ffs_gop_size(struct vnode *, off_t, off_t *, int); 133int ffs_openextattr(void *); 134int ffs_closeextattr(void *); 135int ffs_getextattr(void *); 136int ffs_setextattr(void *); 137int ffs_listextattr(void *); 138int ffs_deleteextattr(void *); 139int ffs_lock(void *); 140int ffs_unlock(void *); 141int ffs_islocked(void *); 142int ffs_full_fsync(struct vnode *, int); 143 144/* 145 * Snapshot function prototypes. 146 */ 147int ffs_snapshot_init(struct ufsmount *); 148void ffs_snapshot_fini(struct ufsmount *); 149int ffs_snapblkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); 150void ffs_snapremove(struct vnode *); 151int ffs_snapshot(struct mount *, struct vnode *, struct timespec *); 152void ffs_snapshot_mount(struct mount *); 153void ffs_snapshot_unmount(struct mount *); 154void ffs_snapgone(struct inode *); 155int ffs_snapshot_read(struct vnode *, struct uio *, int); 156 157/* Write Ahead Physical Block Logging */ 158void ffs_wapbl_verify_inodes(struct mount *, const char *); 159void ffs_wapbl_replay_finish(struct mount *); 160int ffs_wapbl_start(struct mount *); 161int ffs_wapbl_stop(struct mount *, int); 162int ffs_wapbl_replay_start(struct mount *, struct fs *, struct vnode *); 163void ffs_wapbl_blkalloc(struct fs *, struct vnode *, daddr_t, int); 164 165void ffs_wapbl_sync_metadata(struct mount *, daddr_t *, int *, int); 166void ffs_wapbl_abort_sync_metadata(struct mount *, daddr_t *, int *, int); 167 168extern int (**ffs_vnodeop_p)(void *); 169extern int (**ffs_specop_p)(void *); 170extern int (**ffs_fifoop_p)(void *); 171 172#endif /* defined(_KERNEL) */ 173 174/* ffs_appleufs.c */ 175struct appleufslabel; 176u_int16_t ffs_appleufs_cksum(const struct appleufslabel *); 177int ffs_appleufs_validate(const char*, const struct appleufslabel *, 178 struct appleufslabel *); 179void ffs_appleufs_set(struct appleufslabel *, const char *, time_t, 180 uint64_t); 181 182/* ffs_bswap.c */ 183void ffs_sb_swap(struct fs*, struct fs *); 184void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *); 185void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *); 186struct csum; 187void ffs_csum_swap(struct csum *, struct csum *, int); 188struct csum_total; 189void ffs_csumtotal_swap(struct csum_total *, struct csum_total *); 190void ffs_cg_swap(struct cg *, struct cg *, struct fs *); 191 192/* ffs_subr.c */ 193#if defined(_KERNEL) 194void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); 195int ffs_getblk(struct vnode *, daddr_t, daddr_t, int, bool, buf_t **); 196#endif /* defined(_KERNEL) */ 197void ffs_fragacct(struct fs *, int, int32_t[], int, int); 198int ffs_isblock(struct fs *, u_char *, int32_t); 199int ffs_isfreeblock(struct fs *, u_char *, int32_t); 200void ffs_clrblock(struct fs *, u_char *, int32_t); 201void ffs_setblock(struct fs *, u_char *, int32_t); 202void ffs_itimes(struct inode *, const struct timespec *, 203 const struct timespec *, const struct timespec *); 204void ffs_clusteracct(struct fs *, struct cg *, int32_t, int); 205 206/* ffs_quota2.c */ 207int ffs_quota2_mount(struct mount *); 208 209__END_DECLS 210 211#endif /* !_UFS_FFS_FFS_EXTERN_H_ */ 212