/* $NetBSD: ffs_extern.h,v 1.84 2017/02/09 04:37:35 kre Exp $ */ /*- * Copyright (c) 1991, 1993, 1994 * The Regents of the University of California. All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. Neither the name of the University nor the names of its contributors * may be used to endorse or promote products derived from this software * without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * @(#)ffs_extern.h 8.6 (Berkeley) 3/30/95 */ #ifndef _UFS_FFS_FFS_EXTERN_H_ #define _UFS_FFS_FFS_EXTERN_H_ /* * Sysctl values for the fast filesystem. */ #define FFS_CLUSTERREAD 1 /* cluster reading enabled */ #define FFS_CLUSTERWRITE 2 /* cluster writing enabled */ #define FFS_REALLOCBLKS 3 /* block reallocation enabled */ #define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */ #define FFS_LOG_CHANGEOPT 5 /* log optimalization strategy change */ #define FFS_EXTATTR_AUTOCREATE 6 /* size for backing file autocreation */ #define FFS_MAXID 7 /* number of valid ffs ids */ struct buf; struct fid; struct fs; struct inode; struct ufs1_dinode; struct ufs2_dinode; struct mount; struct nameidata; struct lwp; struct statvfs; struct timeval; struct timespec; struct ufsmount; struct uio; struct vnode; struct mbuf; struct cg; #if defined(_KERNEL) #include #define FFS_NOBLK ((daddr_t)-1) #define FFS_ITIMES(ip, acc, mod, cre) \ while ((ip)->i_flag & (IN_ACCESS | IN_CHANGE | IN_UPDATE | IN_MODIFY)) \ ffs_itimes(ip, acc, mod, cre) extern pool_cache_t ffs_inode_cache; /* memory pool for inodes */ extern pool_cache_t ffs_dinode1_cache; /* memory pool for UFS1 dinodes */ extern pool_cache_t ffs_dinode2_cache; /* memory pool for UFS2 dinodes */ #endif /* defined(_KERNEL) */ __BEGIN_DECLS #if defined(_KERNEL) #include #include #include /* ffs_alloc.c */ int ffs_alloc(struct inode *, daddr_t, daddr_t , int, int, kauth_cred_t, daddr_t *); int ffs_realloccg(struct inode *, daddr_t, daddr_t, int, int , kauth_cred_t, struct buf **, daddr_t *); int ffs_valloc(struct vnode *, int, kauth_cred_t, ino_t *); daddr_t ffs_blkpref_ufs1(struct inode *, daddr_t, int, int, int32_t *); daddr_t ffs_blkpref_ufs2(struct inode *, daddr_t, int, int, int64_t *); int ffs_blkalloc(struct inode *, daddr_t, long); int ffs_blkalloc_ump(struct ufsmount *, daddr_t, long); void ffs_blkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); void *ffs_discard_init(struct vnode *, struct fs *); void ffs_discard_finish(void *, int); void ffs_blkfree_snap(struct fs *, struct vnode *, daddr_t, long, ino_t); int ffs_vfree(struct vnode *, ino_t, int); int ffs_checkfreefile(struct fs *, struct vnode *, ino_t); int ffs_freefile(struct mount *, ino_t, int); int ffs_freefile_snap(struct fs *, struct vnode *, ino_t, int); /* ffs_balloc.c */ int ffs_balloc(struct vnode *, off_t, int, kauth_cred_t, int, struct buf **); /* ffs_inode.c */ int ffs_update(struct vnode *, const struct timespec *, const struct timespec *, int); int ffs_truncate(struct vnode *, off_t, int, kauth_cred_t); /* ffs_vfsops.c */ VFS_PROTOS(ffs); int ffs_reload(struct mount *, kauth_cred_t, struct lwp *); int ffs_mountfs(struct vnode *, struct mount *, struct lwp *); int ffs_flushfiles(struct mount *, int, struct lwp *); int ffs_sbupdate(struct ufsmount *, int); int ffs_cgupdate(struct ufsmount *, int); /* ffs_vnops.c */ int ffs_read(void *); int ffs_write(void *); int ffs_bufio(enum uio_rw, struct vnode *, void *, size_t, off_t, int, kauth_cred_t, size_t *, struct lwp *); int ffs_bufrd(struct vnode *, struct uio *, int, kauth_cred_t); int ffs_bufwr(struct vnode *, struct uio *, int, kauth_cred_t); int ffs_fsync(void *); int ffs_spec_fsync(void *); int ffs_reclaim(void *); int ffs_getpages(void *); void ffs_gop_size(struct vnode *, off_t, off_t *, int); int ffs_openextattr(void *); int ffs_closeextattr(void *); int ffs_getextattr(void *); int ffs_setextattr(void *); int ffs_listextattr(void *); int ffs_deleteextattr(void *); int ffs_lock(void *); int ffs_unlock(void *); int ffs_islocked(void *); int ffs_full_fsync(struct vnode *, int); /* * Snapshot function prototypes. */ int ffs_snapshot_init(struct ufsmount *); void ffs_snapshot_fini(struct ufsmount *); int ffs_snapblkfree(struct fs *, struct vnode *, daddr_t, long, ino_t); void ffs_snapremove(struct vnode *); int ffs_snapshot(struct mount *, struct vnode *, struct timespec *); void ffs_snapshot_mount(struct mount *); void ffs_snapshot_unmount(struct mount *); void ffs_snapgone(struct vnode *); int ffs_snapshot_read(struct vnode *, struct uio *, int); /* Write Ahead Physical Block Logging */ void ffs_wapbl_verify_inodes(struct mount *, const char *); void ffs_wapbl_replay_finish(struct mount *); int ffs_wapbl_start(struct mount *); int ffs_wapbl_stop(struct mount *, int); int ffs_wapbl_replay_start(struct mount *, struct fs *, struct vnode *); void ffs_wapbl_blkalloc(struct fs *, struct vnode *, daddr_t, int); void ffs_wapbl_sync_metadata(struct mount *, struct wapbl_dealloc *); void ffs_wapbl_abort_sync_metadata(struct mount *, struct wapbl_dealloc *); extern int (**ffs_vnodeop_p)(void *); extern int (**ffs_specop_p)(void *); extern int (**ffs_fifoop_p)(void *); #endif /* defined(_KERNEL) */ /* ffs_appleufs.c */ struct appleufslabel; u_int16_t ffs_appleufs_cksum(const struct appleufslabel *); int ffs_appleufs_validate(const char*, const struct appleufslabel *, struct appleufslabel *); void ffs_appleufs_set(struct appleufslabel *, const char *, time_t, uint64_t); /* ffs_bswap.c */ void ffs_sb_swap(const struct fs *, struct fs *); void ffs_dinode1_swap(struct ufs1_dinode *, struct ufs1_dinode *); void ffs_dinode2_swap(struct ufs2_dinode *, struct ufs2_dinode *); struct csum; void ffs_csum_swap(struct csum *, struct csum *, int); struct csum_total; void ffs_csumtotal_swap(const struct csum_total *, struct csum_total *); void ffs_cg_swap(struct cg *, struct cg *, struct fs *); /* ffs_subr.c */ #if defined(_KERNEL) void ffs_load_inode(struct buf *, struct inode *, struct fs *, ino_t); int ffs_getblk(struct vnode *, daddr_t, daddr_t, int, bool, buf_t **); #endif /* defined(_KERNEL) */ void ffs_fragacct(struct fs *, int, int32_t[], int, int); int ffs_isblock(struct fs *, u_char *, int32_t); int ffs_isfreeblock(struct fs *, u_char *, int32_t); void ffs_clrblock(struct fs *, u_char *, int32_t); void ffs_setblock(struct fs *, u_char *, int32_t); void ffs_itimes(struct inode *, const struct timespec *, const struct timespec *, const struct timespec *); void ffs_clusteracct(struct fs *, struct cg *, int32_t, int); /* ffs_quota2.c */ int ffs_quota2_mount(struct mount *); __END_DECLS #endif /* !_UFS_FFS_FFS_EXTERN_H_ */