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Annotation of kernel/bsd/ufs/ffs/ffs_extern.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: /* Copyright (c) 1995 NeXT Computer, Inc. All Rights Reserved */
        !            26: 
        !            27: /*-
        !            28:  * Copyright (c) 1991, 1993, 1994
        !            29:  *     The Regents of the University of California.  All rights reserved.
        !            30:  *
        !            31:  * Redistribution and use in source and binary forms, with or without
        !            32:  * modification, are permitted provided that the following conditions
        !            33:  * are met:
        !            34:  * 1. Redistributions of source code must retain the above copyright
        !            35:  *    notice, this list of conditions and the following disclaimer.
        !            36:  * 2. Redistributions in binary form must reproduce the above copyright
        !            37:  *    notice, this list of conditions and the following disclaimer in the
        !            38:  *    documentation and/or other materials provided with the distribution.
        !            39:  * 3. All advertising materials mentioning features or use of this software
        !            40:  *    must display the following acknowledgement:
        !            41:  *     This product includes software developed by the University of
        !            42:  *     California, Berkeley and its contributors.
        !            43:  * 4. Neither the name of the University nor the names of its contributors
        !            44:  *    may be used to endorse or promote products derived from this software
        !            45:  *    without specific prior written permission.
        !            46:  *
        !            47:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            48:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            49:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            50:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            51:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            52:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            53:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            54:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            55:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            56:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            57:  * SUCH DAMAGE.
        !            58:  *
        !            59:  *     @(#)ffs_extern.h        8.6 (Berkeley) 3/30/95
        !            60:  */
        !            61: 
        !            62: /*
        !            63:  * Sysctl values for the fast filesystem.
        !            64:  */
        !            65: #define FFS_CLUSTERREAD                1       /* cluster reading enabled */
        !            66: #define FFS_CLUSTERWRITE       2       /* cluster writing enabled */
        !            67: #define FFS_REALLOCBLKS                3       /* block reallocation enabled */
        !            68: #define FFS_ASYNCFREE          4       /* asynchronous block freeing enabled */
        !            69: #define        FFS_MAXID               5       /* number of valid ffs ids */
        !            70: 
        !            71: #define FFS_NAMES { \
        !            72:        { 0, 0 }, \
        !            73:        { "doclusterread", CTLTYPE_INT }, \
        !            74:        { "doclusterwrite", CTLTYPE_INT }, \
        !            75:        { "doreallocblks", CTLTYPE_INT }, \
        !            76:        { "doasyncfree", CTLTYPE_INT }, \
        !            77: }
        !            78: 
        !            79: struct buf;
        !            80: struct fid;
        !            81: struct fs;
        !            82: struct inode;
        !            83: struct mount;
        !            84: struct nameidata;
        !            85: struct proc;
        !            86: struct statfs;
        !            87: struct timeval;
        !            88: struct ucred;
        !            89: struct uio;
        !            90: struct vnode;
        !            91: struct mbuf;
        !            92: struct vfsconf;
        !            93: 
        !            94: __BEGIN_DECLS
        !            95: int    ffs_alloc __P((struct inode *,
        !            96:            ufs_daddr_t, ufs_daddr_t, int, struct ucred *, ufs_daddr_t *));
        !            97: int    ffs_balloc __P((struct inode *,
        !            98:            ufs_daddr_t, int, struct ucred *, struct buf **, int));
        !            99: int    ffs_blkatoff __P((struct vop_blkatoff_args *));
        !           100: int    ffs_blkfree __P((struct inode *, ufs_daddr_t, long));
        !           101: ufs_daddr_t ffs_blkpref __P((struct inode *, ufs_daddr_t, int, ufs_daddr_t *));
        !           102: int    ffs_bmap __P((struct vop_bmap_args *));
        !           103: void   ffs_clrblock __P((struct fs *, u_char *, ufs_daddr_t));
        !           104: int    ffs_fhtovp __P((struct mount *, struct fid *, struct mbuf *,
        !           105:            struct vnode **, int *, struct ucred **));
        !           106: void   ffs_fragacct __P((struct fs *, int, int32_t [], int));
        !           107: int    ffs_fsync __P((struct vop_fsync_args *));
        !           108: int    ffs_init __P((struct vfsconf *));
        !           109: int    ffs_isblock __P((struct fs *, u_char *, ufs_daddr_t));
        !           110: int    ffs_mount __P((struct mount *,
        !           111:            char *, caddr_t, struct nameidata *, struct proc *));
        !           112: int    ffs_mountfs __P((struct vnode *, struct mount *, struct proc *));
        !           113: int    ffs_mountroot __P((void));
        !           114: int    ffs_read __P((struct vop_read_args *));
        !           115: int    ffs_reallocblks __P((struct vop_reallocblks_args *));
        !           116: int    ffs_realloccg __P((struct inode *,
        !           117:            ufs_daddr_t, ufs_daddr_t, int, int, struct ucred *, struct buf **));
        !           118: int    ffs_reclaim __P((struct vop_reclaim_args *));
        !           119: void   ffs_setblock __P((struct fs *, u_char *, ufs_daddr_t));
        !           120: int    ffs_statfs __P((struct mount *, struct statfs *, struct proc *));
        !           121: int    ffs_sync __P((struct mount *, int, struct ucred *, struct proc *));
        !           122: int    ffs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t,
        !           123:            struct proc *));
        !           124: int    ffs_truncate __P((struct vop_truncate_args *));
        !           125: int    ffs_unmount __P((struct mount *, int, struct proc *));
        !           126: int    ffs_update __P((struct vop_update_args *));
        !           127: int    ffs_valloc __P((struct vop_valloc_args *));
        !           128: int    ffs_vfree __P((struct vop_vfree_args *));
        !           129: int    ffs_vget __P((struct mount *, ino_t, struct vnode **));
        !           130: int    ffs_vptofh __P((struct vnode *, struct fid *));
        !           131: int    ffs_write __P((struct vop_write_args *));
        !           132: 
        !           133: int    bwrite();               /* FFS needs a bwrite routine.  XXX */
        !           134: 
        !           135: #if DIAGNOSTIC
        !           136: void   ffs_checkoverlap __P((struct buf *, struct inode *));
        !           137: #endif
        !           138: __END_DECLS
        !           139: 
        !           140: extern int (**ffs_vnodeop_p)();
        !           141: extern int (**ffs_specop_p)();
        !           142: #if FIFO
        !           143: extern int (**ffs_fifoop_p)();
        !           144: #define FFS_FIFOOPS ffs_fifoop_p
        !           145: #else
        !           146: #define FFS_FIFOOPS NULL
        !           147: #endif

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