X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/9bccf70c0258c7cac2dcb80011b2a964d884c552..21362eb3e66fd2c787aee132bce100a44d71a99c:/bsd/miscfs/volfs/volfs.h diff --git a/bsd/miscfs/volfs/volfs.h b/bsd/miscfs/volfs/volfs.h index 92ea0b2ad..3376268d4 100644 --- a/bsd/miscfs/volfs/volfs.h +++ b/bsd/miscfs/volfs/volfs.h @@ -1,28 +1,31 @@ /* - * Copyright (c) 2000-2002 Apple Computer, Inc. All rights reserved. + * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved. * - * @APPLE_LICENSE_HEADER_START@ + * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * - * The contents of this file constitute Original Code as defined in and - * are subject to the Apple Public Source License Version 1.1 (the - * "License"). You may not use this file except in compliance with the - * License. Please obtain a copy of the License at - * http://www.apple.com/publicsource and read it before using this file. + * This file contains Original Code and/or Modifications of Original Code + * as defined in and that are subject to the Apple Public Source License + * Version 2.0 (the 'License'). You may not use this file except in + * compliance with the License. The rights granted to you under the License + * may not be used to create, or enable the creation or redistribution of, + * unlawful or unlicensed copies of an Apple operating system, or to + * circumvent, violate, or enable the circumvention or violation of, any + * terms of an Apple operating system software license agreement. * - * This Original Code and all software distributed under the License are - * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER + * Please obtain a copy of the License at + * http://www.opensource.apple.com/apsl/ and read it before using this file. + * + * The Original Code and all software distributed under the License are + * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the - * License for the specific language governing rights and limitations - * under the License. + * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. + * Please see the License for the specific language governing rights and + * limitations under the License. * - * @APPLE_LICENSE_HEADER_END@ - */ -/* Copyright (c) 1998, Apple Computer, Inc. All rights reserved. */ -/* - * Header file for volfs + * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ + #ifndef __VOLFS_VOLFS_H__ #define __VOLFS_VOLFS_H__ @@ -32,7 +35,6 @@ struct volfs_mntdata { struct vnode *volfs_rootvp; - LIST_HEAD(volfs_fsvnodelist, vnode) volfs_fsvnodes; }; /* @@ -46,9 +48,9 @@ struct volfs_mntdata struct volfs_vndata { int vnode_type; - struct lock__bsd__ lock; unsigned int nodeID; /* the dev entry of a file system */ struct mount * fs_mount; + fsid_t fs_fsid; }; #define MAXVLFSNAMLEN 24 /* max length is really 10, pad to 24 since @@ -58,140 +60,14 @@ struct volfs_vndata #define ROOT_DIRID 2 -extern int (**volfs_vnodeop_p)(void *); -__BEGIN_DECLS - -int volfs_mount __P((struct mount *, char *, caddr_t, struct nameidata *, - struct proc *)); -int volfs_start __P((struct mount *, int, struct proc *)); -int volfs_unmount __P((struct mount *, int, struct proc *)); -int volfs_root __P((struct mount *, struct vnode **)); -int volfs_quotactl __P((struct mount *, int, uid_t, caddr_t, - struct proc *)); -int volfs_statfs __P((struct mount *, struct statfs *, struct proc *)); -int volfs_sync __P((struct mount *, int, struct ucred *, struct proc *)); -int volfs_vget __P((struct mount *, void *ino_t, struct vnode **)); -int volfs_fhtovp __P((struct mount *, struct fid *, struct mbuf *, - struct vnode **, int *, struct ucred **)); -int volfs_vptofh __P((struct vnode *, struct fid *)); -int volfs_init __P((struct vfsconf *)); -int volfs_sysctl __P((int *, u_int, void *, size_t *, void *, size_t, - struct proc *)); +#define MAXPLCENTRIES 250 +#define PLCHASHSIZE 128 -int volfs_reclaim __P((struct vop_reclaim_args*)); -int volfs_access __P((struct vop_access_args *)); -int volfs_getattr __P((struct vop_getattr_args *)); -int volfs_select __P((struct vop_select_args *)); -int volfs_rmdir __P((struct vop_rmdir_args *)); -int volfs_readdir __P((struct vop_readdir_args *)); -int volfs_lock __P((struct vop_lock_args *)); -int volfs_unlock __P((struct vop_unlock_args *)); -int volfs_islocked __P((struct vop_islocked_args *)); -int volfs_pathconf __P((struct vop_pathconf_args *)); -int volfs_lookup __P((struct vop_lookup_args *)); -__END_DECLS #define VTOVL(VP) ((struct volfs_vndata *)((VP)->v_data)) #define PRINTIT kprintf -#if VOLFS_DEBUG - #define DBG_VOP_TEST_LOCKS 1 - #define DBG_FUNC_NAME(FSTR) static char *funcname = FSTR - #define DBG_PRINT_FUNC_NAME() PRINTIT("%s\n", funcname); - #define DBG_VOP_PRINT_FUNCNAME() PRINTIT("%s: ", funcname); - #define DBG_VOP_PRINT_CPN_INFO(CN) PRINTIT("name: %s",(CN)->cn_nameptr); - #define DBG_VOP(STR) PRINTIT STR; - #define DBG_VOP_PRINT_VNODE_INFO(VP) { if ((VP)) \ - { if ((VP)->v_tag == VT_NON) \ - PRINTIT("\tfs:%s id: %d v: 0x%x ", VTOVL(VP)->fs_mount->mnt_stat.f_fstypename, VTOVL(VP)->nodeID, (u_int)(VP)); \ - else PRINTIT("\t%s v: 0x%x ", (VP)->v_mount->mnt_stat.f_fstypename, (u_int)(VP)); \ - } else { PRINTIT("*** NULL NODE ***"); } } - -#else /* VOLFS_DEBUG */ - #define DBG_VOP_TEST_LOCKS 0 - #define DBG_FUNC_NAME(FSTR) - #define DBG_PRINT_FUNC_NAME() - #define DBG_VOP_PRINT_FUNCNAME() - #define DBG_VOP_PRINT_CPN_INFO(CN) - #define DBG_VOP(A) - #define DBG_VOP_PRINT_VNODE_INFO(VP) -#endif /* VOLFS_DEBUG */ - - -#if DBG_VOP_TEST_LOCKS - -#define VOPDBG_IGNORE 0 -#define VOPDBG_LOCKED 1 -#define VOPDBG_UNLOCKED -1 -#define VOPDBG_LOCKNOTNIL 2 -#define VOPDBG_SAME 3 - -#define VOPDBG_ZERO 0 -#define VOPDBG_POS 1 - - -#define MAXDBGLOCKS 15 - -typedef struct VopDbgStoreRec { - short id; - struct vnode *vp; - short inState; - short outState; - short errState; - int inValue; - int outValue; - } VopDbgStoreRec; - - -/* This sets up the test for the lock state of vnodes. The entry paramaters are: - * I = index of paramater - * VP = pointer to a vnode - * ENTRYSTATE = the inState of the lock - * EXITSTATE = the outState of the lock - * ERRORSTATE = the error state of the lock - * It initializes the structure, does some preliminary validity checks, but does nothing - * if the instate is set to be ignored. - */ - -#define DBG_VOP_LOCKS_DECL(I) VopDbgStoreRec VopDbgStore[I];short numOfLockSlots=I -#define DBG_VOP_LOCKS_INIT(I,VP,ENTRYSTATE,EXITSTATE,ERRORSTATE,CHECKFLAG) \ - if (I >= numOfLockSlots) { \ - PRINTIT("%s: DBG_VOP_LOCKS_INIT: Entry #%d greater than allocated slots!\n", funcname, I); \ - }; \ - VopDbgStore[I].id = I; \ - VopDbgStore[I].vp = (VP); \ - VopDbgStore[I].inState = ENTRYSTATE; \ - VopDbgStore[I].outState = EXITSTATE; \ - VopDbgStore[I].errState = ERRORSTATE; \ - VopDbgStore[I].inValue = 0; \ - VopDbgStore[I].outValue = 0; \ - if ((VopDbgStore[I].inState != VOPDBG_IGNORE)) { \ - if ((VP) == NULL) \ - PRINTIT ("%s: DBG_VOP_LOCK on start: Null vnode ptr\n", funcname); \ - else \ - VopDbgStore[I].inValue = lockstatus (&((struct volfs_vndata *)((VP)->v_data))->lock); \ - } \ - if ((VP) != NULL) \ - { \ - if (CHECKFLAG==VOPDBG_POS && (VP)->v_usecount <= 0) \ - PRINTIT("%s: BAD USECOUNT OF %d !!!!\n", funcname, (VP)->v_usecount); \ - else if ((VP)->v_usecount < 0) \ - PRINTIT("%s: BAD USECOUNT OF %d !!!!\n", funcname, (VP)->v_usecount); \ - } -#define DBG_VOP_UPDATE_VP(I, VP) \ - VopDbgStore[I].vp = (VP); - - -#define DBG_VOP_LOCKS_TEST(status) DbgVopTest (numOfLockSlots, status, VopDbgStore, funcname); - -#else /*DBG_VOP_TEST_LOCKS */ -#define DBG_VOP_LOCKS_DECL(A) -#define DBG_VOP_LOCKS_INIT(A,B,C,D,E,F) -#define DBG_VOP_LOCKS_TEST(a) -#define DBG_VOP_UPDATE_VP(I, VP) - -#endif /* DBG_VOP_TEST_LOCKS */ #endif /* __APPLE_API_PRIVATE */ #endif /* __VOLFS_VOLFS_H__ */