/* $OpenBSD: ffs_extern.h,v 1.28 2006/03/31 12:19:42 pedro Exp $ */ /* $NetBSD: ffs_extern.h,v 1.4 1996/02/09 22:22:22 christos 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 8.3 (Berkeley) 4/16/94 */ #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_MAX_SOFTDEPS 5 /* maximum structs before slowdown */ #define FFS_SD_TICKDELAY 6 /* ticks to pause during slowdown */ #define FFS_SD_WORKLIST_PUSH 7 /* # of worklist cleanups */ #define FFS_SD_BLK_LIMIT_PUSH 8 /* # of times block limit neared */ #define FFS_SD_INO_LIMIT_PUSH 9 /* # of times inode limit neared */ #define FFS_SD_BLK_LIMIT_HIT 10 /* # of times block slowdown imposed */ #define FFS_SD_INO_LIMIT_HIT 11 /* # of times inode slowdown imposed */ #define FFS_SD_SYNC_LIMIT_HIT 12 /* # of synchronous slowdowns imposed */ #define FFS_SD_INDIR_BLK_PTRS 13 /* bufs redirtied as indir ptrs not written */ #define FFS_SD_INODE_BITMAP 14 /* bufs redirtied as inode bitmap not written */ #define FFS_SD_DIRECT_BLK_PTRS 15 /* bufs redirtied as direct ptrs not written */ #define FFS_SD_DIR_ENTRY 16 /* bufs redirtied as dir entry cannot write */ #define FFS_DIRHASH_DIRSIZE 17 /* min directory size, in bytes */ #define FFS_DIRHASH_MAXMEM 18 /* max kvm to use, in bytes */ #define FFS_DIRHASH_MEM 19 /* current mem usage, in bytes */ #define FFS_MAXID 20 /* number of valid ffs ids */ #define FFS_NAMES { \ { 0, 0 }, \ { "doclusterread", CTLTYPE_INT }, \ { "doclusterwrite", CTLTYPE_INT }, \ { "doreallocblks", CTLTYPE_INT }, \ { "doasyncfree", CTLTYPE_INT }, \ { "max_softdeps", CTLTYPE_INT }, \ { "sd_tickdelay", CTLTYPE_INT }, \ { "sd_worklist_push", CTLTYPE_INT }, \ { "sd_blk_limit_push", CTLTYPE_INT }, \ { "sd_ino_limit_push", CTLTYPE_INT }, \ { "sd_blk_limit_hit", CTLTYPE_INT }, \ { "sd_ino_limit_hit", CTLTYPE_INT }, \ { "sd_sync_limit_hit", CTLTYPE_INT }, \ { "sd_indir_blk_ptrs", CTLTYPE_INT }, \ { "sd_inode_bitmap", CTLTYPE_INT }, \ { "sd_direct_blk_ptrs", CTLTYPE_INT }, \ { "sd_dir_entry", CTLTYPE_INT }, \ { "dirhash_dirsize", CTLTYPE_INT }, \ { "dirhash_maxmem", CTLTYPE_INT }, \ { "dirhash_mem", CTLTYPE_INT }, \ } struct buf; struct fid; struct fs; struct inode; struct mount; struct nameidata; struct proc; struct statfs; struct timeval; struct ucred; struct ufsmount; struct vfsconf; struct uio; struct vnode; struct mbuf; struct cg; struct vop_vfree_args; __BEGIN_DECLS /* ffs_alloc.c */ int ffs_alloc(struct inode *, daddr_t, daddr_t , int, struct ucred *, daddr_t *); int ffs_realloccg(struct inode *, daddr_t, daddr_t, int, int , struct ucred *, struct buf **, daddr_t *); int ffs_reallocblks(void *); int ffs_inode_alloc(struct inode *, mode_t, struct ucred *, struct vnode **); int ffs_inode_free(struct inode *, ino_t, mode_t); int ffs_freefile(struct inode *, ino_t, mode_t); ufs1_daddr_t ffs1_blkpref(struct inode *, daddr_t, int, ufs1_daddr_t *); #ifdef FFS2 ufs2_daddr_t ffs2_blkpref(struct inode *, daddr_t, int, ufs2_daddr_t *); #endif void ffs_blkfree(struct inode *, daddr_t, long); void ffs_clusteracct(struct fs *, struct cg *, daddr_t, int); /* ffs_balloc.c */ int ffs_balloc(struct inode *, off_t, int, struct ucred *, int, struct buf **); /* ffs_inode.c */ int ffs_init(struct vfsconf *); int ffs_update(struct inode *, struct timespec *, struct timespec *, int); int ffs_truncate(struct inode *, off_t, int, struct ucred *); /* ffs_subr.c */ int ffs_bufatoff(struct inode *, off_t, char **, struct buf **); void ffs_fragacct(struct fs *, int, int32_t[], int); #ifdef DIAGNOSTIC void ffs_checkoverlap(struct buf *, struct inode *); #endif int ffs_isfreeblock(struct fs *, unsigned char *, daddr_t); int ffs_isblock(struct fs *, unsigned char *, daddr_t); void ffs_clrblock(struct fs *, u_char *, daddr_t); void ffs_setblock(struct fs *, unsigned char *, daddr_t); /* ffs_vfsops.c */ int ffs_mountroot(void); int ffs_mount(struct mount *, const char *, void *, struct nameidata *, struct proc *); int ffs_reload(struct mount *, struct ucred *, struct proc *); int ffs_mountfs(struct vnode *, struct mount *, struct proc *); int ffs_oldfscompat(struct fs *); int ffs_unmount(struct mount *, int, struct proc *); int ffs_flushfiles(struct mount *, int, struct proc *); int ffs_statfs(struct mount *, struct statfs *, struct proc *); int ffs_sync(struct mount *, int, struct ucred *, struct proc *); int ffs_vget(struct mount *, ino_t, struct vnode **); int ffs_fhtovp(struct mount *, struct fid *, struct vnode **); int ffs_vptofh(struct vnode *, struct fid *); int ffs_sysctl(int *, u_int, void *, size_t *, void *, size_t, struct proc *); 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_fsync(void *); int ffs_reclaim(void *); int ffsfifo_reclaim(void *); /* * Soft dependency function prototypes. */ struct vop_vfree_args; struct vop_fsync_args; void softdep_initialize(void); int softdep_process_worklist(struct mount *); int softdep_mount(struct vnode *, struct mount *, struct fs *, struct ucred *); int softdep_flushworklist(struct mount *, int *, struct proc *); int softdep_flushfiles(struct mount *, int, struct proc *); void softdep_update_inodeblock(struct inode *, struct buf *, int); void softdep_load_inodeblock(struct inode *); void softdep_freefile(struct vnode *, ino_t, mode_t); void softdep_setup_freeblocks(struct inode *, off_t); void softdep_setup_inomapdep(struct buf *, struct inode *, ino_t); void softdep_setup_blkmapdep(struct buf *, struct fs *, daddr_t); void softdep_setup_allocdirect(struct inode *, ufs_lbn_t, daddr_t, daddr_t, long, long, struct buf *); void softdep_setup_allocindir_meta(struct buf *, struct inode *, struct buf *, int, daddr_t); void softdep_setup_allocindir_page(struct inode *, ufs_lbn_t, struct buf *, int, daddr_t, daddr_t, struct buf *); void softdep_fsync_mountdev(struct vnode *); int softdep_sync_metadata(struct vop_fsync_args *); int softdep_fsync(struct vnode *); __END_DECLS extern int (**ffs_vnodeop_p)(void *); extern int (**ffs_specop_p)(void *); #ifdef FIFO extern int (**ffs_fifoop_p)(void *); #define FFS_FIFOOPS ffs_fifoop_p #else #define FFS_FIFOOPS NULL #endif extern struct pool ffs_ino_pool; /* memory pool for inodes */ extern struct pool ffs_dinode1_pool; /* memory pool for UFS1 dinodes */ #ifdef FFS2 extern struct pool ffs_dinode2_pool; /* memory pool for UFS2 dinodes */ #endif