/*
- * 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__
struct volfs_mntdata
{
struct vnode *volfs_rootvp;
- LIST_HEAD(volfs_fsvnodelist, vnode) volfs_fsvnodes;
};
/*
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
#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__ */
projects / apple / xnu.git / blobdiff