175 lines
6.4 KiB
C
175 lines
6.4 KiB
C
/* $OpenBSD: ffs_extern.h,v 1.49 2024/04/13 15:08:37 jca Exp $ */
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/* $NetBSD: ffs_extern.h,v 1.4 1996/02/09 22:22:22 christos Exp $ */
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/*
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* Copyright (c) 1991, 1993, 1994
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* The Regents of the University of California. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* @(#)ffs_extern.h 8.3 (Berkeley) 4/16/94
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*/
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#define FFS_CLUSTERREAD 1 /* cluster reading enabled */
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#define FFS_CLUSTERWRITE 2 /* cluster writing enabled */
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#define FFS_REALLOCBLKS 3 /* block reallocation enabled */
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#define FFS_ASYNCFREE 4 /* asynchronous block freeing enabled */
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#define FFS_MAX_SOFTDEPS 5 /* maximum structs before slowdown */
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#define FFS_SD_TICKDELAY 6 /* ticks to pause during slowdown */
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#define FFS_SD_WORKLIST_PUSH 7 /* # of worklist cleanups */
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#define FFS_SD_BLK_LIMIT_PUSH 8 /* # of times block limit neared */
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#define FFS_SD_INO_LIMIT_PUSH 9 /* # of times inode limit neared */
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#define FFS_SD_BLK_LIMIT_HIT 10 /* # of times block slowdown imposed */
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#define FFS_SD_INO_LIMIT_HIT 11 /* # of times inode slowdown imposed */
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#define FFS_SD_SYNC_LIMIT_HIT 12 /* # of synchronous slowdowns imposed */
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#define FFS_SD_INDIR_BLK_PTRS 13 /* bufs redirtied as indir ptrs not written */
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#define FFS_SD_INODE_BITMAP 14 /* bufs redirtied as inode bitmap not written */
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#define FFS_SD_DIRECT_BLK_PTRS 15 /* bufs redirtied as direct ptrs not written */
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#define FFS_SD_DIR_ENTRY 16 /* bufs redirtied as dir entry cannot write */
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#define FFS_DIRHASH_DIRSIZE 17 /* min directory size, in bytes */
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#define FFS_DIRHASH_MAXMEM 18 /* max kvm to use, in bytes */
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#define FFS_DIRHASH_MEM 19 /* current mem usage, in bytes */
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#define FFS_MAXID 20 /* number of valid ffs ids */
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#define FFS_NAMES { \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ 0, 0 }, \
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{ "dirhash_dirsize", CTLTYPE_INT }, \
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{ "dirhash_maxmem", CTLTYPE_INT }, \
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{ "dirhash_mem", CTLTYPE_INT }, \
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}
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struct buf;
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struct fid;
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struct fs;
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struct inode;
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struct mount;
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struct nameidata;
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struct proc;
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struct statfs;
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struct timeval;
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struct ucred;
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struct ufsmount;
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struct vfsconf;
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struct uio;
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struct vnode;
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struct mbuf;
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struct cg;
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struct vop_vfree_args;
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extern const struct vops ffs_vops;
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extern const struct vops ffs_specvops;
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extern const struct vops ffs_fifovops;
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/* ffs_alloc.c */
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int ffs_alloc(struct inode *, daddr_t, daddr_t , int, struct ucred *,
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daddr_t *);
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int ffs_realloccg(struct inode *, daddr_t, daddr_t, int, int ,
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struct ucred *, struct buf **, daddr_t *);
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int ffs_inode_alloc(struct inode *, mode_t, struct ucred *, struct vnode **);
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int ffs_inode_free(struct inode *, ufsino_t, mode_t);
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int ffs_freefile(struct inode *, ufsino_t, mode_t);
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int32_t ffs1_blkpref(struct inode *, daddr_t, int, int32_t *);
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#ifdef FFS2
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int64_t ffs2_blkpref(struct inode *, daddr_t, int, int64_t *);
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#endif
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void ffs_blkfree(struct inode *, daddr_t, long);
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void ffs_clusteracct(struct fs *, struct cg *, daddr_t, int);
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/* ffs_balloc.c */
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int ffs_balloc(struct inode *, off_t, int, struct ucred *, int, struct buf **);
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/* ffs_inode.c */
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int ffs_init(struct vfsconf *);
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int ffs_update(struct inode *, int);
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int ffs_truncate(struct inode *, off_t, int, struct ucred *);
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/* ffs_subr.c */
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int ffs_bufatoff(struct inode *, off_t, char **, struct buf **);
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void ffs_fragacct(struct fs *, int, int32_t[], int);
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#ifdef DIAGNOSTIC
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void ffs_checkoverlap(struct buf *, struct inode *);
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#endif
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int ffs_isfreeblock(struct fs *, u_char *, daddr_t);
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int ffs_isblock(struct fs *, u_char *, daddr_t);
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void ffs_clrblock(struct fs *, u_char *, daddr_t);
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void ffs_setblock(struct fs *, u_char *, daddr_t);
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int ffs_vinit(struct mount *, struct vnode **);
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/* ffs_vfsops.c */
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int ffs_mountroot(void);
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int ffs_mount(struct mount *, const char *, void *, struct nameidata *,
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struct proc *);
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int ffs_reload(struct mount *, struct ucred *, struct proc *);
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int ffs_mountfs(struct vnode *, struct mount *, struct proc *);
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int ffs_oldfscompat(struct fs *);
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int ffs_unmount(struct mount *, int, struct proc *);
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int ffs_flushfiles(struct mount *, int, struct proc *);
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int ffs_statfs(struct mount *, struct statfs *, struct proc *);
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int ffs_sync(struct mount *, int, int, struct ucred *, struct proc *);
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int ffs_vget(struct mount *, ino_t, struct vnode **);
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int ffs_fhtovp(struct mount *, struct fid *, struct vnode **);
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int ffs_vptofh(struct vnode *, struct fid *);
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int ffs_sysctl(int *, u_int, void *, size_t *, void *, size_t,
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struct proc *);
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int ffs_sbupdate(struct ufsmount *, int);
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int ffs_cgupdate(struct ufsmount *, int);
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/* ffs_vnops.c */
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int ffs_read(void *);
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int ffs_write(void *);
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int ffs_fsync(void *);
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int ffs_reclaim(void *);
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int ffsfifo_reclaim(void *);
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/*
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* Soft dependency function prototypes.
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*/
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struct vop_vfree_args;
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struct vop_fsync_args;
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extern struct pool ffs_ino_pool; /* memory pool for inodes */
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extern struct pool ffs_dinode1_pool; /* memory pool for UFS1 dinodes */
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#ifdef FFS2
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extern struct pool ffs_dinode2_pool; /* memory pool for UFS2 dinodes */
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#endif
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