/*

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You may distribute this file under either of the two licenses that

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follow at your discretion.

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*/

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/* BLURB lgpl

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Coda File System

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Release 5

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Copyright (c) 1987-1999 Carnegie Mellon University

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Additional copyrights listed below

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This code is distributed "AS IS" without warranty of any kind under

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the terms of the GNU Library General Public Licence Version 2, as

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shown in the file LICENSE, or under the license shown below. The

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technical and financial contributors to Coda are listed in the file

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CREDITS.

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Additional copyrights

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*/

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/*

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Coda: an Experimental Distributed File System

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Release 4.0

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Copyright (c) 1987-1999 Carnegie Mellon University

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All Rights Reserved

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Permission to use, copy, modify and distribute this software and its

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documentation is hereby granted, provided that both the copyright

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notice and this permission notice appear in all copies of the

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software, derivative works or modified versions, and any portions

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thereof, and that both notices appear in supporting documentation, and

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that credit is given to Carnegie Mellon University in all documents

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and publicity pertaining to direct or indirect use of this code or its

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derivatives.

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CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS KNOWN TO HAVE BUGS,

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SOME OF WHICH MAY HAVE SERIOUS CONSEQUENCES. CARNEGIE MELLON ALLOWS

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FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION. CARNEGIE MELLON

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DISCLAIMS ANY LIABILITY OF ANY KIND FOR ANY DAMAGES WHATSOEVER

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RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE OR OF

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ANY DERIVATIVE WORK.

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Carnegie Mellon encourages users of this software to return any

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improvements or extensions that they make, and to grant Carnegie

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Mellon the rights to redistribute these changes without encumbrance.

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*/

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/*

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*

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* Based on cfs.h from Mach, but revamped for increased simplicity.

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* Linux modifications by

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* Peter Braam, Aug 1996

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*/

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#ifndef _CODA_HEADER_

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#define _CODA_HEADER_

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/* Catch new _KERNEL defn for NetBSD and DJGPP/__CYGWIN32__ */

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#if defined(__NetBSD__) || \

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((defined(DJGPP) || defined(__CYGWIN32__)) && !defined(KERNEL))

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#include <sys/types.h>

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#endif

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#ifndef CODA_MAXSYMLINKS

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#define CODA_MAXSYMLINKS 10

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#endif

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#if defined(DJGPP) || defined(__CYGWIN32__)

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#ifdef KERNEL

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typedef unsigned long u_long;

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typedef unsigned int u_int;

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typedef unsigned short u_short;

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typedef u_long ino_t;

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typedef u_long dev_t;

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typedef void * caddr_t;

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#ifdef DOS

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typedef unsigned __int64 u_quad_t;

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#else

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typedef unsigned long long u_quad_t;

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#endif

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#define __inline__

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struct timespec {

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long ts_sec;

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long ts_nsec;

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};

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#else /* DJGPP but not KERNEL */

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#include <sys/time.h>

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typedef unsigned long long u_quad_t;

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#endif /* !KERNEL */

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#endif /* !DJGPP */

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#if defined(__linux__)

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#include <linux/time.h>

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#define cdev_t u_quad_t

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#if !defined(_UQUAD_T_) && (!defined(__GLIBC__) || __GLIBC__ < 2)

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#define _UQUAD_T_ 1

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typedef unsigned long long u_quad_t;

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#endif

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#else

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#define cdev_t dev_t

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#endif

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#ifdef __CYGWIN32__

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struct timespec {

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time_t tv_sec; /* seconds */

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long tv_nsec; /* nanoseconds */

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};

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#endif

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#ifndef __BIT_TYPES_DEFINED__

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#define __BIT_TYPES_DEFINED__

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typedef signed char int8_t;

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typedef unsigned char u_int8_t;

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typedef short int16_t;

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typedef unsigned short u_int16_t;

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typedef int int32_t;

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typedef unsigned int u_int32_t;

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#endif

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/*

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* Cfs constants

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*/

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#define CODA_MAXNAMLEN 255

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#define CODA_MAXPATHLEN 1024

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#define CODA_MAXSYMLINK 10

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/* these are Coda's version of O_RDONLY etc combinations

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* to deal with VFS open modes

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*/

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#define C_O_READ 0x001

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#define C_O_WRITE 0x002

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#define C_O_TRUNC 0x010

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#define C_O_EXCL 0x100

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#define C_O_CREAT 0x200

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/* these are to find mode bits in Venus */

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#define C_M_READ 00400

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#define C_M_WRITE 00200

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/* for access Venus will use */

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#define C_A_C_OK 8 /* Test for writing upon create. */

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#define C_A_R_OK 4 /* Test for read permission. */

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#define C_A_W_OK 2 /* Test for write permission. */

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#define C_A_X_OK 1 /* Test for execute permission. */

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#define C_A_F_OK 0 /* Test for existence. */

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#ifndef _VENUS_DIRENT_T_

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#define _VENUS_DIRENT_T_ 1

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struct venus_dirent {

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u_int32_t d_fileno; /* file number of entry */

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u_int16_t d_reclen; /* length of this record */

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u_int8_t d_type; /* file type, see below */

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u_int8_t d_namlen; /* length of string in d_name */

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char d_name[CODA_MAXNAMLEN + 1];/* name must be no longer than this */

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};

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#undef DIRSIZ

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#define DIRSIZ(dp) ((sizeof (struct venus_dirent) - (CODA_MAXNAMLEN+1)) + \

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(((dp)->d_namlen+1 + 3) &~ 3))

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/*

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* File types

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*/

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#define CDT_UNKNOWN 0

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#define CDT_FIFO 1

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#define CDT_CHR 2

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#define CDT_DIR 4

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#define CDT_BLK 6

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#define CDT_REG 8

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#define CDT_LNK 10

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#define CDT_SOCK 12

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#define CDT_WHT 14

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/*

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* Convert between stat structure types and directory types.

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*/

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#define IFTOCDT(mode) (((mode) & 0170000) >> 12)

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#define CDTTOIF(dirtype) ((dirtype) << 12)

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#endif

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#ifndef _VUID_T_

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#define _VUID_T_

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typedef u_int32_t vuid_t;

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typedef u_int32_t vgid_t;

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#endif /*_VUID_T_ */

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struct CodaFid {

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u_int32_t opaque[4];

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};

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#define coda_f2i(fid)\

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(fid ? (fid->opaque[3] ^ (fid->opaque[2]<<10) ^ (fid->opaque[1]<<20) ^ fid->opaque[0]) : 0)

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#ifndef _VENUS_VATTR_T_

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#define _VENUS_VATTR_T_

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/*

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* Vnode types. VNON means no type.

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*/

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enum coda_vtype { C_VNON, C_VREG, C_VDIR, C_VBLK, C_VCHR, C_VLNK, C_VSOCK, C_VFIFO, C_VBAD };

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struct coda_vattr {

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long va_type; /* vnode type (for create) */

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u_short va_mode; /* files access mode and type */

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short va_nlink; /* number of references to file */

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vuid_t va_uid; /* owner user id */

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vgid_t va_gid; /* owner group id */

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long va_fileid; /* file id */

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u_quad_t va_size; /* file size in bytes */

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long va_blocksize; /* blocksize preferred for i/o */

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struct timespec va_atime; /* time of last access */

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struct timespec va_mtime; /* time of last modification */

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struct timespec va_ctime; /* time file changed */

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u_long va_gen; /* generation number of file */

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u_long va_flags; /* flags defined for file */

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cdev_t va_rdev; /* device special file represents */

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u_quad_t va_bytes; /* bytes of disk space held by file */

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u_quad_t va_filerev; /* file modification number */

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};

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#endif

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/* structure used by CODA_STATFS for getting cache information from venus */

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struct coda_statfs {

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int32_t f_blocks;

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int32_t f_bfree;

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int32_t f_bavail;

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int32_t f_files;

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int32_t f_ffree;

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};

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/*

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* Kernel <--> Venus communications.

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*/

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#define CODA_ROOT 2

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#define CODA_OPEN_BY_FD 3

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#define CODA_OPEN 4

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#define CODA_CLOSE 5

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#define CODA_IOCTL 6

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#define CODA_GETATTR 7

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#define CODA_SETATTR 8

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#define CODA_ACCESS 9

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#define CODA_LOOKUP 10

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#define CODA_CREATE 11

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#define CODA_REMOVE 12

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#define CODA_LINK 13

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#define CODA_RENAME 14

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#define CODA_MKDIR 15

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#define CODA_RMDIR 16

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#define CODA_SYMLINK 18

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#define CODA_READLINK 19

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#define CODA_FSYNC 20

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#define CODA_VGET 22

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#define CODA_SIGNAL 23

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#define CODA_REPLACE 24 /* DOWNCALL */

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#define CODA_FLUSH 25 /* DOWNCALL */

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#define CODA_PURGEUSER 26 /* DOWNCALL */

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#define CODA_ZAPFILE 27 /* DOWNCALL */

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#define CODA_ZAPDIR 28 /* DOWNCALL */

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#define CODA_PURGEFID 30 /* DOWNCALL */

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#define CODA_OPEN_BY_PATH 31

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#define CODA_RESOLVE 32

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#define CODA_REINTEGRATE 33

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#define CODA_STATFS 34

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#define CODA_STORE 35

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#define CODA_RELEASE 36

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#define CODA_NCALLS 37

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#define DOWNCALL(opcode) (opcode >= CODA_REPLACE && opcode <= CODA_PURGEFID)

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#define VC_MAXDATASIZE 8192

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#define VC_MAXMSGSIZE sizeof(union inputArgs)+sizeof(union outputArgs) +\

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VC_MAXDATASIZE

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#define CIOC_KERNEL_VERSION _IOWR('c', 10, size_t)

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#define CODA_KERNEL_VERSION 3 /* 128-bit file identifiers */

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/*

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* Venus <-> Coda RPC arguments

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*/

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struct coda_in_hdr {

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u_int32_t opcode;

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u_int32_t unique; /* Keep multiple outstanding msgs distinct */

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pid_t pid;

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pid_t pgid;

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vuid_t uid;

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};

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/* Really important that opcode and unique are 1st two fields! */

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struct coda_out_hdr {

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u_int32_t opcode;

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u_int32_t unique;

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u_int32_t result;

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};

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/* coda_root: NO_IN */

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struct coda_root_out {

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struct coda_out_hdr oh;

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struct CodaFid VFid;

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};

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struct coda_root_in {

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struct coda_in_hdr in;

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};

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/* coda_open: */

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struct coda_open_in {

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struct coda_in_hdr ih;

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struct CodaFid VFid;

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int flags;

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};

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struct coda_open_out {

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struct coda_out_hdr oh;

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cdev_t dev;

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ino_t inode;

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};

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/* coda_store: */

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struct coda_store_in {

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struct coda_in_hdr ih;

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struct CodaFid VFid;

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int flags;

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};

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struct coda_store_out {

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struct coda_out_hdr out;

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};

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/* coda_release: */

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struct coda_release_in {

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struct coda_in_hdr ih;

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struct CodaFid VFid;

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int flags;

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};

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struct coda_release_out {

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struct coda_out_hdr out;

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};

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/* coda_close: */

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struct coda_close_in {

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struct coda_in_hdr ih;

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struct CodaFid VFid;

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int flags;

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};

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struct coda_close_out {

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struct coda_out_hdr out;

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};

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/* coda_ioctl: */

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struct coda_ioctl_in {

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struct coda_in_hdr ih;

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struct CodaFid VFid;

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int cmd;

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int len;

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int rwflag;

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char *data; /* Place holder for data. */

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};

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struct coda_ioctl_out {

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struct coda_out_hdr oh;

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int len;

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caddr_t data; /* Place holder for data. */

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};

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/* coda_getattr: */

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struct coda_getattr_in {

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struct coda_in_hdr ih;

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struct CodaFid VFid;

[384] Fix | Delete

};

[385] Fix | Delete

[386] Fix | Delete

struct coda_getattr_out {

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struct coda_out_hdr oh;

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struct coda_vattr attr;

[389] Fix | Delete

};

[390] Fix | Delete

[391] Fix | Delete

[392] Fix | Delete

/* coda_setattr: NO_OUT */

[393] Fix | Delete

struct coda_setattr_in {

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struct coda_in_hdr ih;

[395] Fix | Delete

struct CodaFid VFid;

[396] Fix | Delete

struct coda_vattr attr;

[397] Fix | Delete

};

[398] Fix | Delete

[399] Fix | Delete

struct coda_setattr_out {

[400] Fix | Delete

struct coda_out_hdr out;

[401] Fix | Delete

};

[402] Fix | Delete

[403] Fix | Delete

/* coda_access: NO_OUT */

[404] Fix | Delete

struct coda_access_in {

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struct coda_in_hdr ih;

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struct CodaFid VFid;

[407] Fix | Delete

int flags;

[408] Fix | Delete

};

[409] Fix | Delete

[410] Fix | Delete

struct coda_access_out {

[411] Fix | Delete

struct coda_out_hdr out;

[412] Fix | Delete

};

[413] Fix | Delete

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[415] Fix | Delete

/* lookup flags */

[416] Fix | Delete

#define CLU_CASE_SENSITIVE 0x01

[417] Fix | Delete

#define CLU_CASE_INSENSITIVE 0x02

[418] Fix | Delete

[419] Fix | Delete

/* coda_lookup: */

[420] Fix | Delete

struct coda_lookup_in {

[421] Fix | Delete

struct coda_in_hdr ih;

[422] Fix | Delete

struct CodaFid VFid;

[423] Fix | Delete

int name; /* Place holder for data. */

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int flags;

[425] Fix | Delete

};

[426] Fix | Delete

[427] Fix | Delete

struct coda_lookup_out {

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struct coda_out_hdr oh;

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struct CodaFid VFid;

[430] Fix | Delete

int vtype;

[431] Fix | Delete

};

[432] Fix | Delete

[433] Fix | Delete

[434] Fix | Delete

/* coda_create: */

[435] Fix | Delete

struct coda_create_in {

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struct coda_in_hdr ih;

[437] Fix | Delete

struct CodaFid VFid;

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struct coda_vattr attr;

[439] Fix | Delete

int excl;

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int mode;

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int name; /* Place holder for data. */

[442] Fix | Delete

};

[443] Fix | Delete

[444] Fix | Delete

struct coda_create_out {

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struct coda_out_hdr oh;

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struct CodaFid VFid;

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struct coda_vattr attr;

[448] Fix | Delete

};

[449] Fix | Delete

[450] Fix | Delete

[451] Fix | Delete

/* coda_remove: NO_OUT */

[452] Fix | Delete

struct coda_remove_in {

[453] Fix | Delete

struct coda_in_hdr ih;

[454] Fix | Delete

struct CodaFid VFid;

[455] Fix | Delete

int name; /* Place holder for data. */

[456] Fix | Delete

};

[457] Fix | Delete

[458] Fix | Delete

struct coda_remove_out {

[459] Fix | Delete

struct coda_out_hdr out;

[460] Fix | Delete

};

[461] Fix | Delete

[462] Fix | Delete

/* coda_link: NO_OUT */

[463] Fix | Delete

struct coda_link_in {

[464] Fix | Delete

struct coda_in_hdr ih;

[465] Fix | Delete

struct CodaFid sourceFid; /* cnode to link *to* */

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struct CodaFid destFid; /* Directory in which to place link */

[467] Fix | Delete

int tname; /* Place holder for data. */

[468] Fix | Delete

};

[469] Fix | Delete

[470] Fix | Delete

struct coda_link_out {

[471] Fix | Delete

struct coda_out_hdr out;

[472] Fix | Delete

};

[473] Fix | Delete

[474] Fix | Delete

[475] Fix | Delete

/* coda_rename: NO_OUT */

[476] Fix | Delete

struct coda_rename_in {

[477] Fix | Delete

struct coda_in_hdr ih;

[478] Fix | Delete

struct CodaFid sourceFid;

[479] Fix | Delete

int srcname;

[480] Fix | Delete

struct CodaFid destFid;

[481] Fix | Delete

int destname;

[482] Fix | Delete

};

[483] Fix | Delete

[484] Fix | Delete

struct coda_rename_out {

[485] Fix | Delete

struct coda_out_hdr out;

[486] Fix | Delete

};

[487] Fix | Delete

[488] Fix | Delete

/* coda_mkdir: */

[489] Fix | Delete

struct coda_mkdir_in {

[490] Fix | Delete

struct coda_in_hdr ih;

[491] Fix | Delete

struct CodaFid VFid;

[492] Fix | Delete

struct coda_vattr attr;

[493] Fix | Delete

int name; /* Place holder for data. */

[494] Fix | Delete

};

[495] Fix | Delete

[496] Fix | Delete

struct coda_mkdir_out {

[497] Fix | Delete

struct coda_out_hdr oh;

[498] Fix | Delete

struct CodaFid VFid;

[499] Fix | Delete