/* $NetBSD: lfs_extern.h,v 1.111.10.1 2017/10/30 09:29:04 snj Exp $ */ /*- * Copyright (c) 1999, 2000, 2001, 2002, 2003 The NetBSD Foundation, Inc. * All rights reserved. * * This code is derived from software contributed to The NetBSD Foundation * by Konrad E. Schroder . * * 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. * * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. 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 FOUNDATION 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. */ /*- * 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. * * @(#)lfs_extern.h 8.6 (Berkeley) 5/8/95 */ #ifndef _UFS_LFS_LFS_EXTERN_H_ #define _UFS_LFS_LFS_EXTERN_H_ #ifdef _KERNEL #include MALLOC_DECLARE(M_SEGMENT); #endif /* Copied from ext2fs for ITIMES. XXX This is a bogus use of v_tag. */ #define IS_LFS_VNODE(vp) (vp->v_tag == VT_LFS) /* * Sysctl values for LFS. */ #define LFS_WRITEINDIR 1 /* flush indirect blocks on non-checkpoint writes */ #define LFS_CLEAN_VNHEAD 2 /* put prev unrefed cleaned vnodes on head of free list */ #define LFS_DOSTATS 3 #define LFS_MAXPAGES 4 #define LFS_FS_PAGETRIP 5 #define LFS_STATS 6 #define LFS_DO_RFW 7 #define LFS_DEBUGLOG 8 #define LFS_IGNORE_LAZY_SYNC 9 #define LFS_MAXID 10 /* not ours */ struct fid; struct mount; struct nameidata; struct proc; struct statvfs; struct timeval; struct uio; struct mbuf; struct buf; struct vnode; /* ours */ struct inode; union lfs_dinode; struct dlfs; struct lfs; struct segment; struct block_info; __BEGIN_DECLS #if defined(_KERNEL) extern kcondvar_t lfs_allclean_wakeup; extern struct pool lfs_inode_pool; /* memory pool for inodes */ extern struct pool lfs_dinode_pool; /* memory pool for dinodes */ extern struct pool lfs_inoext_pool; /* memory pool for inode extension */ extern struct pool lfs_lbnentry_pool; /* memory pool for balloc accounting */ extern int locked_queue_count; extern long locked_queue_bytes; extern int lfs_subsys_pages; extern int lfs_dirvcount; extern kmutex_t lfs_lock; extern int lfs_debug_log_subsys[]; extern kcondvar_t lfs_writing_cv; extern kcondvar_t locked_queue_cv; /* lfs_alloc.c */ int lfs_valloc(struct vnode *, int, kauth_cred_t, ino_t *, int *); int lfs_valloc_fixed(struct lfs *, ino_t, int); int lfs_vfree(struct vnode *, ino_t, int); void lfs_order_freelist(struct lfs *); int lfs_extend_ifile(struct lfs *, kauth_cred_t); void lfs_orphan(struct lfs *, ino_t); /* lfs_balloc.c */ int lfs_balloc(struct vnode *, off_t, int, kauth_cred_t, int, struct buf **); void lfs_register_block(struct vnode *, daddr_t); void lfs_deregister_block(struct vnode *, daddr_t); void lfs_deregister_all(struct vnode *); /* lfs_bio.c */ int lfs_availwait(struct lfs *, int); int lfs_bwrite_ext(struct buf *, int); int lfs_fits(struct lfs *, int); void lfs_flush_fs(struct lfs *, int); void lfs_flush(struct lfs *, int, int); int lfs_check(struct vnode *, daddr_t, int); void lfs_freebuf(struct lfs *, struct buf *); struct buf *lfs_newbuf(struct lfs *, struct vnode *, daddr_t, size_t, int); void lfs_countlocked(int *, long *, const char *); int lfs_reserve(struct lfs *, struct vnode *, struct vnode *, int); /* lfs_debug.c */ #ifdef DEBUG int lfs_bwrite_log(struct buf *, const char *, int); void lfs_dumplog(void); void lfs_dump_super(struct lfs *); void lfs_dump_dinode(struct lfs *, union lfs_dinode *); void lfs_check_bpp(struct lfs *, struct segment *, char *, int); void lfs_check_segsum(struct lfs *, struct segment *, char *, int); void lfs_debug_log(int, const char *, ...); #endif /* DEBUG */ /* lfs_inode.c */ int lfs_update(struct vnode *, const struct timespec *, const struct timespec *, int); int lfs_truncate(struct vnode *, off_t, int, kauth_cred_t); union lfs_dinode *lfs_ifind(struct lfs *, ino_t, struct buf *); void lfs_finalize_ino_seguse(struct lfs *, struct inode *); void lfs_finalize_fs_seguse(struct lfs *); /* lfs_rename.c */ int lfs_rename(void *); /* lfs_rfw.c */ int lfs_rf_valloc(struct lfs *, ino_t, int, struct lwp *, struct vnode **); void lfs_roll_forward(struct lfs *, struct mount *, struct lwp *); /* lfs_segment.c */ void lfs_imtime(struct lfs *); int lfs_vflush(struct vnode *); int lfs_segwrite(struct mount *, int); int lfs_writefile(struct lfs *, struct segment *, struct vnode *); int lfs_writeinode(struct lfs *, struct segment *, struct inode *); int lfs_gatherblock(struct segment *, struct buf *, kmutex_t *); int lfs_gather(struct lfs *, struct segment *, struct vnode *, int (*match )(struct lfs *, struct buf *)); void lfs_update_single(struct lfs *, struct segment *, struct vnode *, daddr_t, daddr_t, int); void lfs_updatemeta(struct segment *); int lfs_rewind(struct lfs *, int); void lfs_unset_inval_all(struct lfs *); int lfs_initseg(struct lfs *); int lfs_writeseg(struct lfs *, struct segment *); void lfs_writesuper(struct lfs *, daddr_t); int lfs_match_data(struct lfs *, struct buf *); int lfs_match_indir(struct lfs *, struct buf *); int lfs_match_dindir(struct lfs *, struct buf *); int lfs_match_tindir(struct lfs *, struct buf *); void lfs_callback(struct buf *); void lfs_acquire_finfo(struct lfs *fs, ino_t, int); void lfs_release_finfo(struct lfs *fs); /* lfs_subr.c */ void lfs_setup_resblks(struct lfs *); void lfs_pad_check(unsigned char *, int, char *, int); void lfs_free_resblks(struct lfs *); void *lfs_malloc(struct lfs *, size_t, int); void lfs_free(struct lfs *, void *, int); int lfs_seglock(struct lfs *, unsigned long); void lfs_segunlock(struct lfs *); void lfs_segunlock_relock(struct lfs *); int lfs_writer_enter(struct lfs *, const char *); void lfs_writer_leave(struct lfs *); void lfs_wakeup_cleaner(struct lfs *); /* lfs_syscalls.c */ int lfs_do_segclean(struct lfs *, unsigned long); int lfs_segwait(fsid_t *, struct timeval *); int lfs_bmapv(struct lwp *, fsid_t *, struct block_info *, int); int lfs_markv(struct lwp *, fsid_t *, struct block_info *, int); /* lfs_vfsops.c */ VFS_PROTOS(lfs); void lfs_vinit(struct mount *, struct vnode **); int lfs_resize_fs(struct lfs *, int); /* lfs_vnops.c */ void lfs_mark_vnode(struct vnode *); void lfs_unmark_vnode(struct vnode *); int lfs_gop_alloc(struct vnode *, off_t, off_t, int, kauth_cred_t); void lfs_gop_size(struct vnode *, off_t, off_t *, int); int lfs_putpages_ext(void *, int); int lfs_gatherpages(struct vnode *); int lfs_flush_dirops(struct lfs *); int lfs_flush_pchain(struct lfs *); int lfs_bwrite (void *); int lfs_fsync (void *); int lfs_symlink (void *); int lfs_mknod (void *); int lfs_create (void *); int lfs_mkdir (void *); int lfs_read (void *); int lfs_remove (void *); int lfs_rmdir (void *); int lfs_link (void *); int lfs_mmap (void *); int lfs_rename (void *); int lfs_getattr (void *); int lfs_setattr (void *); int lfs_close (void *); int lfsspec_close(void *); int lfsfifo_close(void *); int lfs_fcntl (void *); int lfs_inactive (void *); int lfs_reclaim (void *); int lfs_strategy (void *); int lfs_write (void *); int lfs_getpages (void *); int lfs_putpages (void *); int lfs_bufrd(struct vnode *, struct uio *, int, kauth_cred_t); int lfs_bufwr(struct vnode *, struct uio *, int, kauth_cred_t); extern int lfs_mount_type; extern int (**lfs_vnodeop_p)(void *); extern int (**lfs_specop_p)(void *); extern int (**lfs_fifoop_p)(void *); extern const struct genfs_ops lfs_genfsops; #endif /* defined(_KERNEL) */ /* lfs_cksum.c */ uint32_t cksum(void *, size_t); uint32_t lfs_cksum_part(void *, size_t, uint32_t); #define lfs_cksum_fold(sum) (sum) uint32_t lfs_sb_cksum(struct lfs *); __END_DECLS #endif /* !_UFS_LFS_LFS_EXTERN_H_ */