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dc6dd1259f
mail: The problem seems to originate with NFS's postop_attr information that is returned with a read or write RPC. Within a vm_fault context, the code cannot deal with vnode_pager_setsize() shrinking a vnode. The workaround in the patch below stops the nfsm_postop_attr() macro from ever shrinking a vnode. If the new size in the postop_attr information is smaller, then it just sets the nfsnode n_attrstamp to 0 to stop the wrong size getting used in the future. This change only affects postop_attr attributes; the nfsm_loadattr() macro works as normal. The change is implemented by adding a new argument to nfs_loadattrcache() called 'dontshrink'. When this is non-zero, nfs_loadattrcache() will never reduce the vnode/nfsnode size; instead it zeros n_attrstamp. There remain other was processes can get stuck in vmopar. Submitted by: Ian Dowse <iedowse@maths.tcd.ie> Reviewed by: dillon Tested by: Vadim Belman <voland@lflat.org>
728 lines
26 KiB
C
728 lines
26 KiB
C
/*
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* Copyright (c) 1989, 1993, 1995
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Rick Macklem at The University of Guelph.
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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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the University of
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* California, Berkeley and its contributors.
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* 4. 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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* @(#)nfs.h 8.4 (Berkeley) 5/1/95
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* $FreeBSD$
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*/
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#ifndef _NFS_NFS_H_
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#define _NFS_NFS_H_
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#ifdef _KERNEL
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#include "opt_nfs.h"
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#endif
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/*
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* Tunable constants for nfs
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*/
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#define NFS_MAXIOVEC 34
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#define NFS_TICKINTVL 5 /* Desired time for a tick (msec) */
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#define NFS_HZ (hz / nfs_ticks) /* Ticks/sec */
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#define NFS_TIMEO (1 * NFS_HZ) /* Default timeout = 1 second */
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#define NFS_MINTIMEO (1 * NFS_HZ) /* Min timeout to use */
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#define NFS_MAXTIMEO (60 * NFS_HZ) /* Max timeout to backoff to */
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#define NFS_MINIDEMTIMEO (5 * NFS_HZ) /* Min timeout for non-idempotent ops*/
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#define NFS_MAXREXMIT 100 /* Stop counting after this many */
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#define NFS_MAXWINDOW 1024 /* Max number of outstanding requests */
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#define NFS_RETRANS 10 /* Num of retrans for soft mounts */
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#define NFS_MAXGRPS 16 /* Max. size of groups list */
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#ifndef NFS_MINATTRTIMO
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#define NFS_MINATTRTIMO 3 /* VREG attrib cache timeout in sec */
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#endif
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#ifndef NFS_MAXATTRTIMO
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#define NFS_MAXATTRTIMO 60
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#endif
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#ifndef NFS_MINDIRATTRTIMO
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#define NFS_MINDIRATTRTIMO 30 /* VDIR attrib cache timeout in sec */
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#endif
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#ifndef NFS_MAXDIRATTRTIMO
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#define NFS_MAXDIRATTRTIMO 60
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#endif
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#define NFS_WSIZE 8192 /* Def. write data size <= 8192 */
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#define NFS_RSIZE 8192 /* Def. read data size <= 8192 */
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#define NFS_READDIRSIZE 8192 /* Def. readdir size */
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#define NFS_DEFRAHEAD 1 /* Def. read ahead # blocks */
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#define NFS_MAXRAHEAD 4 /* Max. read ahead # blocks */
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#define NFS_MAXUIDHASH 64 /* Max. # of hashed uid entries/mp */
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#define NFS_MAXASYNCDAEMON 20 /* Max. number async_daemons runnable */
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#define NFS_MAXGATHERDELAY 100 /* Max. write gather delay (msec) */
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#ifndef NFS_GATHERDELAY
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#define NFS_GATHERDELAY 10 /* Default write gather delay (msec) */
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#endif
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#define NFS_DIRBLKSIZ 4096 /* Must be a multiple of DIRBLKSIZ */
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#ifdef _KERNEL
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#define DIRBLKSIZ 512 /* XXX we used to use ufs's DIRBLKSIZ */
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#endif
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/*
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* Oddballs
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*/
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#define NMOD(a) ((a) % nfs_asyncdaemons)
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#define NFS_CMPFH(n, f, s) \
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((n)->n_fhsize == (s) && !bcmp((caddr_t)(n)->n_fhp, (caddr_t)(f), (s)))
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#define NFS_ISV3(v) (VFSTONFS((v)->v_mount)->nm_flag & NFSMNT_NFSV3)
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#define NFS_SRVMAXDATA(n) \
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(((n)->nd_flag & ND_NFSV3) ? (((n)->nd_nam2) ? \
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NFS_MAXDGRAMDATA : NFS_MAXDATA) : NFS_V2MAXDATA)
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/*
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* XXX
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* The B_INVAFTERWRITE flag should be set to whatever is required by the
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* buffer cache code to say "Invalidate the block after it is written back".
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*/
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#define B_INVAFTERWRITE B_NOCACHE
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/*
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* The IO_METASYNC flag should be implemented for local file systems.
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* (Until then, it is nothin at all.)
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*/
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#ifndef IO_METASYNC
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#define IO_METASYNC 0
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#endif
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/*
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* Arguments to mount NFS
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*/
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#define NFS_ARGSVERSION 3 /* change when nfs_args changes */
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struct nfs_args {
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int version; /* args structure version number */
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struct sockaddr *addr; /* file server address */
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int addrlen; /* length of address */
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int sotype; /* Socket type */
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int proto; /* and Protocol */
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u_char *fh; /* File handle to be mounted */
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int fhsize; /* Size, in bytes, of fh */
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int flags; /* flags */
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int wsize; /* write size in bytes */
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int rsize; /* read size in bytes */
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int readdirsize; /* readdir size in bytes */
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int timeo; /* initial timeout in .1 secs */
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int retrans; /* times to retry send */
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int maxgrouplist; /* Max. size of group list */
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int readahead; /* # of blocks to readahead */
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int leaseterm; /* Term (sec) of lease */
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int deadthresh; /* Retrans threshold */
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char *hostname; /* server's name */
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int acregmin; /* cache attrs for reg files min time */
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int acregmax; /* cache attrs for reg files max time */
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int acdirmin; /* cache attrs for dirs min time */
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int acdirmax; /* cache attrs for dirs max time */
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};
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/*
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* NFS mount option flags
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*/
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#define NFSMNT_SOFT 0x00000001 /* soft mount (hard is default) */
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#define NFSMNT_WSIZE 0x00000002 /* set write size */
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#define NFSMNT_RSIZE 0x00000004 /* set read size */
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#define NFSMNT_TIMEO 0x00000008 /* set initial timeout */
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#define NFSMNT_RETRANS 0x00000010 /* set number of request retries */
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#define NFSMNT_MAXGRPS 0x00000020 /* set maximum grouplist size */
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#define NFSMNT_INT 0x00000040 /* allow interrupts on hard mount */
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#define NFSMNT_NOCONN 0x00000080 /* Don't Connect the socket */
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#define NFSMNT_NQNFS 0x00000100 /* Use Nqnfs protocol */
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#define NFSMNT_NFSV3 0x00000200 /* Use NFS Version 3 protocol */
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#define NFSMNT_KERB 0x00000400 /* Use Kerberos authentication */
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#define NFSMNT_DUMBTIMR 0x00000800 /* Don't estimate rtt dynamically */
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#define NFSMNT_LEASETERM 0x00001000 /* set lease term (nqnfs) */
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#define NFSMNT_READAHEAD 0x00002000 /* set read ahead */
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#define NFSMNT_DEADTHRESH 0x00004000 /* set dead server retry thresh */
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#define NFSMNT_RESVPORT 0x00008000 /* Allocate a reserved port */
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#define NFSMNT_RDIRPLUS 0x00010000 /* Use Readdirplus for V3 */
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#define NFSMNT_READDIRSIZE 0x00020000 /* Set readdir size */
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#define NFSMNT_ACREGMIN 0x00040000
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#define NFSMNT_ACREGMAX 0x00080000
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#define NFSMNT_ACDIRMIN 0x00100000
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#define NFSMNT_ACDIRMAX 0x00200000
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#define NFSSTA_HASWRITEVERF 0x00040000 /* Has write verifier for V3 */
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#define NFSSTA_GOTPATHCONF 0x00080000 /* Got the V3 pathconf info */
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#define NFSSTA_GOTFSINFO 0x00100000 /* Got the V3 fsinfo */
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#define NFSSTA_MNTD 0x00200000 /* Mnt server for mnt point */
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#define NFSSTA_DISMINPROG 0x00400000 /* Dismount in progress */
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#define NFSSTA_DISMNT 0x00800000 /* Dismounted */
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#define NFSSTA_SNDLOCK 0x01000000 /* Send socket lock */
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#define NFSSTA_WANTSND 0x02000000 /* Want above */
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#define NFSSTA_RCVLOCK 0x04000000 /* Rcv socket lock */
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#define NFSSTA_WANTRCV 0x08000000 /* Want above */
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#define NFSSTA_WAITAUTH 0x10000000 /* Wait for authentication */
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#define NFSSTA_HASAUTH 0x20000000 /* Has authenticator */
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#define NFSSTA_WANTAUTH 0x40000000 /* Wants an authenticator */
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#define NFSSTA_AUTHERR 0x80000000 /* Authentication error */
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/*
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* Structures for the nfssvc(2) syscall. Not that anyone but nfsd and mount_nfs
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* should ever try and use it.
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*/
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struct nfsd_args {
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int sock; /* Socket to serve */
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caddr_t name; /* Client addr for connection based sockets */
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int namelen; /* Length of name */
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};
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struct nfsd_srvargs {
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struct nfsd *nsd_nfsd; /* Pointer to in kernel nfsd struct */
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uid_t nsd_uid; /* Effective uid mapped to cred */
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u_int32_t nsd_haddr; /* Ip address of client */
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struct ucred nsd_cr; /* Cred. uid maps to */
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int nsd_authlen; /* Length of auth string (ret) */
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u_char *nsd_authstr; /* Auth string (ret) */
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int nsd_verflen; /* and the verfier */
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u_char *nsd_verfstr;
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struct timeval nsd_timestamp; /* timestamp from verifier */
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u_int32_t nsd_ttl; /* credential ttl (sec) */
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NFSKERBKEY_T nsd_key; /* Session key */
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};
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struct nfsd_cargs {
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char *ncd_dirp; /* Mount dir path */
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uid_t ncd_authuid; /* Effective uid */
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int ncd_authtype; /* Type of authenticator */
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int ncd_authlen; /* Length of authenticator string */
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u_char *ncd_authstr; /* Authenticator string */
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int ncd_verflen; /* and the verifier */
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u_char *ncd_verfstr;
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NFSKERBKEY_T ncd_key; /* Session key */
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};
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/*
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* XXX to allow amd to include nfs.h without nfsproto.h
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*/
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#ifdef NFS_NPROCS
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/*
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* Stats structure
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*/
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struct nfsstats {
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int attrcache_hits;
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int attrcache_misses;
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int lookupcache_hits;
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int lookupcache_misses;
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int direofcache_hits;
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int direofcache_misses;
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int biocache_reads;
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int read_bios;
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int read_physios;
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int biocache_writes;
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int write_bios;
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int write_physios;
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int biocache_readlinks;
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int readlink_bios;
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int biocache_readdirs;
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int readdir_bios;
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int rpccnt[NFS_NPROCS];
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int rpcretries;
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int srvrpccnt[NFS_NPROCS];
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int srvrpc_errs;
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int srv_errs;
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int rpcrequests;
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int rpctimeouts;
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int rpcunexpected;
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int rpcinvalid;
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int srvcache_inproghits;
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int srvcache_idemdonehits;
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int srvcache_nonidemdonehits;
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int srvcache_misses;
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int srvnqnfs_leases;
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int srvnqnfs_maxleases;
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int srvnqnfs_getleases;
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int srvvop_writes;
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int accesscache_hits;
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int accesscache_misses;
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};
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#endif
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/*
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* Flags for nfssvc() system call.
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*/
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#define NFSSVC_BIOD 0x002
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#define NFSSVC_NFSD 0x004
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#define NFSSVC_ADDSOCK 0x008
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#define NFSSVC_AUTHIN 0x010
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#define NFSSVC_GOTAUTH 0x040
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#define NFSSVC_AUTHINFAIL 0x080
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#define NFSSVC_MNTD 0x100
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/*
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* fs.nfs sysctl(3) identifiers
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*/
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#define NFS_NFSSTATS 1 /* struct: struct nfsstats */
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#define NFS_NFSPRIVPORT 2 /* int: prohibit nfs to resvports */
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#define FS_NFS_NAMES { \
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{ 0, 0 }, \
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{ "nfsstats", CTLTYPE_STRUCT }, \
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{ "nfsprivport", CTLTYPE_INT }, \
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}
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#ifdef _KERNEL
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#ifdef MALLOC_DECLARE
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MALLOC_DECLARE(M_NFSREQ);
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MALLOC_DECLARE(M_NFSDIROFF);
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MALLOC_DECLARE(M_NFSRVDESC);
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MALLOC_DECLARE(M_NFSUID);
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MALLOC_DECLARE(M_NQLEASE);
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MALLOC_DECLARE(M_NFSD);
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MALLOC_DECLARE(M_NFSBIGFH);
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MALLOC_DECLARE(M_NFSHASH);
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#endif
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#ifdef ZONE_INTERRUPT
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extern vm_zone_t nfsmount_zone;
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#endif
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extern struct callout_handle nfs_timer_handle;
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struct uio; struct buf; struct vattr; struct nameidata; /* XXX */
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/*
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* The set of signals the interrupt an I/O in progress for NFSMNT_INT mounts.
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* What should be in this set is open to debate, but I believe that since
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* I/O system calls on ufs are never interrupted by signals the set should
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* be minimal. My reasoning is that many current programs that use signals
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* such as SIGALRM will not expect file I/O system calls to be interrupted
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* by them and break.
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*/
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#define NFSINT_SIGMASK(set) \
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(SIGISMEMBER(set, SIGINT) || SIGISMEMBER(set, SIGTERM) || \
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SIGISMEMBER(set, SIGHUP) || SIGISMEMBER(set, SIGKILL) || \
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SIGISMEMBER(set, SIGQUIT))
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/*
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* Socket errors ignored for connectionless sockets??
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* For now, ignore them all
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*/
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#define NFSIGNORE_SOERROR(s, e) \
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((e) != EINTR && (e) != ERESTART && (e) != EWOULDBLOCK && \
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((s) & PR_CONNREQUIRED) == 0)
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/*
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* Nfs outstanding request list element
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*/
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struct nfsreq {
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TAILQ_ENTRY(nfsreq) r_chain;
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struct mbuf *r_mreq;
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struct mbuf *r_mrep;
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struct mbuf *r_md;
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caddr_t r_dpos;
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struct nfsmount *r_nmp;
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struct vnode *r_vp;
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u_int32_t r_xid;
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int r_flags; /* flags on request, see below */
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int r_retry; /* max retransmission count */
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int r_rexmit; /* current retrans count */
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int r_timer; /* tick counter on reply */
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u_int32_t r_procnum; /* NFS procedure number */
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int r_rtt; /* RTT for rpc */
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struct proc *r_procp; /* Proc that did I/O system call */
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};
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/*
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* Queue head for nfsreq's
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*/
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extern TAILQ_HEAD(nfs_reqq, nfsreq) nfs_reqq;
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/* Flag values for r_flags */
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#define R_TIMING 0x01 /* timing request (in mntp) */
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#define R_SENT 0x02 /* request has been sent */
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#define R_SOFTTERM 0x04 /* soft mnt, too many retries */
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#define R_INTR 0x08 /* intr mnt, signal pending */
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#define R_SOCKERR 0x10 /* Fatal error on socket */
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#define R_TPRINTFMSG 0x20 /* Did a tprintf msg. */
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#define R_MUSTRESEND 0x40 /* Must resend request */
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#define R_GETONEREP 0x80 /* Probe for one reply only */
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/*
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* A list of nfssvc_sock structures is maintained with all the sockets
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* that require service by the nfsd.
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* The nfsuid structs hang off of the nfssvc_sock structs in both lru
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* and uid hash lists.
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*/
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#ifndef NFS_UIDHASHSIZ
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#define NFS_UIDHASHSIZ 29 /* Tune the size of nfssvc_sock with this */
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#endif
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#define NUIDHASH(sock, uid) \
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(&(sock)->ns_uidhashtbl[(uid) % NFS_UIDHASHSIZ])
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#ifndef NFS_WDELAYHASHSIZ
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#define NFS_WDELAYHASHSIZ 16 /* and with this */
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#endif
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#define NWDELAYHASH(sock, f) \
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(&(sock)->ns_wdelayhashtbl[(*((u_int32_t *)(f))) % NFS_WDELAYHASHSIZ])
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#ifndef NFS_MUIDHASHSIZ
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#define NFS_MUIDHASHSIZ 63 /* Tune the size of nfsmount with this */
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#endif
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#define NMUIDHASH(nmp, uid) \
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(&(nmp)->nm_uidhashtbl[(uid) % NFS_MUIDHASHSIZ])
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#define NFSNOHASH(fhsum) \
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(&nfsnodehashtbl[(fhsum) & nfsnodehash])
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/*
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* Network address hash list element
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*/
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union nethostaddr {
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u_int32_t had_inetaddr;
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struct sockaddr *had_nam;
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};
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struct nfsuid {
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TAILQ_ENTRY(nfsuid) nu_lru; /* LRU chain */
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LIST_ENTRY(nfsuid) nu_hash; /* Hash list */
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int nu_flag; /* Flags */
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union nethostaddr nu_haddr; /* Host addr. for dgram sockets */
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struct ucred nu_cr; /* Cred uid mapped to */
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int nu_expire; /* Expiry time (sec) */
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struct timeval nu_timestamp; /* Kerb. timestamp */
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u_int32_t nu_nickname; /* Nickname on server */
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NFSKERBKEY_T nu_key; /* and session key */
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};
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#define nu_inetaddr nu_haddr.had_inetaddr
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#define nu_nam nu_haddr.had_nam
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/* Bits for nu_flag */
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#define NU_INETADDR 0x1
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#define NU_NAM 0x2
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#define NU_NETFAM(u) (((u)->nu_flag & NU_INETADDR) ? AF_INET : AF_ISO)
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struct nfsrv_rec {
|
|
STAILQ_ENTRY(nfsrv_rec) nr_link;
|
|
struct sockaddr *nr_address;
|
|
struct mbuf *nr_packet;
|
|
};
|
|
|
|
struct nfssvc_sock {
|
|
TAILQ_ENTRY(nfssvc_sock) ns_chain; /* List of all nfssvc_sock's */
|
|
TAILQ_HEAD(, nfsuid) ns_uidlruhead;
|
|
struct file *ns_fp;
|
|
struct socket *ns_so;
|
|
struct sockaddr *ns_nam;
|
|
struct mbuf *ns_raw;
|
|
struct mbuf *ns_rawend;
|
|
STAILQ_HEAD(, nfsrv_rec) ns_rec;
|
|
struct mbuf *ns_frag;
|
|
int ns_flag;
|
|
int ns_solock;
|
|
int ns_cc;
|
|
int ns_reclen;
|
|
int ns_numuids;
|
|
u_int32_t ns_sref;
|
|
LIST_HEAD(, nfsrv_descript) ns_tq; /* Write gather lists */
|
|
LIST_HEAD(, nfsuid) ns_uidhashtbl[NFS_UIDHASHSIZ];
|
|
LIST_HEAD(nfsrvw_delayhash, nfsrv_descript) ns_wdelayhashtbl[NFS_WDELAYHASHSIZ];
|
|
};
|
|
|
|
/* Bits for "ns_flag" */
|
|
#define SLP_VALID 0x01
|
|
#define SLP_DOREC 0x02
|
|
#define SLP_NEEDQ 0x04
|
|
#define SLP_DISCONN 0x08
|
|
#define SLP_GETSTREAM 0x10
|
|
#define SLP_LASTFRAG 0x20
|
|
#define SLP_ALLFLAGS 0xff
|
|
|
|
extern TAILQ_HEAD(nfssvc_sockhead, nfssvc_sock) nfssvc_sockhead;
|
|
extern int nfssvc_sockhead_flag;
|
|
#define SLP_INIT 0x01
|
|
#define SLP_WANTINIT 0x02
|
|
|
|
/*
|
|
* One of these structures is allocated for each nfsd.
|
|
*/
|
|
struct nfsd {
|
|
TAILQ_ENTRY(nfsd) nfsd_chain; /* List of all nfsd's */
|
|
int nfsd_flag; /* NFSD_ flags */
|
|
struct nfssvc_sock *nfsd_slp; /* Current socket */
|
|
int nfsd_authlen; /* Authenticator len */
|
|
u_char nfsd_authstr[RPCAUTH_MAXSIZ]; /* Authenticator data */
|
|
int nfsd_verflen; /* and the Verifier */
|
|
u_char nfsd_verfstr[RPCVERF_MAXSIZ];
|
|
struct proc *nfsd_procp; /* Proc ptr */
|
|
struct nfsrv_descript *nfsd_nd; /* Associated nfsrv_descript */
|
|
};
|
|
|
|
/* Bits for "nfsd_flag" */
|
|
#define NFSD_WAITING 0x01
|
|
#define NFSD_REQINPROG 0x02
|
|
#define NFSD_NEEDAUTH 0x04
|
|
#define NFSD_AUTHFAIL 0x08
|
|
|
|
/*
|
|
* This structure is used by the server for describing each request.
|
|
* Some fields are used only when write request gathering is performed.
|
|
*/
|
|
struct nfsrv_descript {
|
|
u_quad_t nd_time; /* Write deadline (usec) */
|
|
off_t nd_off; /* Start byte offset */
|
|
off_t nd_eoff; /* and end byte offset */
|
|
LIST_ENTRY(nfsrv_descript) nd_hash; /* Hash list */
|
|
LIST_ENTRY(nfsrv_descript) nd_tq; /* and timer list */
|
|
LIST_HEAD(,nfsrv_descript) nd_coalesce; /* coalesced writes */
|
|
struct mbuf *nd_mrep; /* Request mbuf list */
|
|
struct mbuf *nd_md; /* Current dissect mbuf */
|
|
struct mbuf *nd_mreq; /* Reply mbuf list */
|
|
struct sockaddr *nd_nam; /* and socket addr */
|
|
struct sockaddr *nd_nam2; /* return socket addr */
|
|
caddr_t nd_dpos; /* Current dissect pos */
|
|
u_int32_t nd_procnum; /* RPC # */
|
|
int nd_stable; /* storage type */
|
|
int nd_flag; /* nd_flag */
|
|
int nd_len; /* Length of this write */
|
|
int nd_repstat; /* Reply status */
|
|
u_int32_t nd_retxid; /* Reply xid */
|
|
u_int32_t nd_duration; /* Lease duration */
|
|
struct timeval nd_starttime; /* Time RPC initiated */
|
|
fhandle_t nd_fh; /* File handle */
|
|
struct ucred nd_cr; /* Credentials */
|
|
};
|
|
|
|
/* Bits for "nd_flag" */
|
|
#define ND_READ LEASE_READ
|
|
#define ND_WRITE LEASE_WRITE
|
|
#define ND_CHECK 0x04
|
|
#define ND_LEASE (ND_READ | ND_WRITE | ND_CHECK)
|
|
#define ND_NFSV3 0x08
|
|
#define ND_NQNFS 0x10
|
|
#define ND_KERBNICK 0x20
|
|
#define ND_KERBFULL 0x40
|
|
#define ND_KERBAUTH (ND_KERBNICK | ND_KERBFULL)
|
|
|
|
extern TAILQ_HEAD(nfsd_head, nfsd) nfsd_head;
|
|
extern int nfsd_head_flag;
|
|
#define NFSD_CHECKSLP 0x01
|
|
|
|
/*
|
|
* These macros compare nfsrv_descript structures.
|
|
*/
|
|
#define NFSW_CONTIG(o, n) \
|
|
((o)->nd_eoff >= (n)->nd_off && \
|
|
!bcmp((caddr_t)&(o)->nd_fh, (caddr_t)&(n)->nd_fh, NFSX_V3FH))
|
|
|
|
#define NFSW_SAMECRED(o, n) \
|
|
(((o)->nd_flag & ND_KERBAUTH) == ((n)->nd_flag & ND_KERBAUTH) && \
|
|
!bcmp((caddr_t)&(o)->nd_cr, (caddr_t)&(n)->nd_cr, \
|
|
sizeof (struct ucred)))
|
|
|
|
/*
|
|
* Defines for WebNFS
|
|
*/
|
|
|
|
#define WEBNFS_ESC_CHAR '%'
|
|
#define WEBNFS_SPECCHAR_START 0x80
|
|
|
|
#define WEBNFS_NATIVE_CHAR 0x80
|
|
/*
|
|
* ..
|
|
* Possibly more here in the future.
|
|
*/
|
|
|
|
/*
|
|
* Macro for converting escape characters in WebNFS pathnames.
|
|
* Should really be in libkern.
|
|
*/
|
|
|
|
#define HEXTOC(c) \
|
|
((c) >= 'a' ? ((c) - ('a' - 10)) : \
|
|
((c) >= 'A' ? ((c) - ('A' - 10)) : ((c) - '0')))
|
|
#define HEXSTRTOI(p) \
|
|
((HEXTOC(p[0]) << 4) + HEXTOC(p[1]))
|
|
|
|
#ifdef NFS_DEBUG
|
|
|
|
extern int nfs_debug;
|
|
#define NFS_DEBUG_ASYNCIO 1 /* asynchronous i/o */
|
|
#define NFS_DEBUG_WG 2 /* server write gathering */
|
|
#define NFS_DEBUG_RC 4 /* server request caching */
|
|
|
|
#define NFS_DPF(cat, args) \
|
|
do { \
|
|
if (nfs_debug & NFS_DEBUG_##cat) printf args; \
|
|
} while (0)
|
|
|
|
#else
|
|
|
|
#define NFS_DPF(cat, args)
|
|
|
|
#endif
|
|
|
|
u_quad_t nfs_curusec __P((void));
|
|
int nfs_init __P((struct vfsconf *vfsp));
|
|
int nfs_uninit __P((struct vfsconf *vfsp));
|
|
int nfs_reply __P((struct nfsreq *));
|
|
int nfs_getreq __P((struct nfsrv_descript *,struct nfsd *,int));
|
|
int nfs_send __P((struct socket *, struct sockaddr *, struct mbuf *,
|
|
struct nfsreq *));
|
|
int nfs_rephead __P((int, struct nfsrv_descript *, struct nfssvc_sock *,
|
|
int, int, u_quad_t *, struct mbuf **, struct mbuf **,
|
|
caddr_t *));
|
|
int nfs_sndlock __P((struct nfsreq *));
|
|
void nfs_sndunlock __P((struct nfsreq *));
|
|
int nfs_slplock __P((struct nfssvc_sock *, int));
|
|
void nfs_slpunlock __P((struct nfssvc_sock *));
|
|
int nfs_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
|
|
int nfs_vinvalbuf __P((struct vnode *, int, struct ucred *, struct proc *,
|
|
int));
|
|
int nfs_readrpc __P((struct vnode *, struct uio *, struct ucred *));
|
|
int nfs_writerpc __P((struct vnode *, struct uio *, struct ucred *, int *,
|
|
int *));
|
|
int nfs_commit __P((struct vnode *vp, u_quad_t offset, int cnt,
|
|
struct ucred *cred, struct proc *procp));
|
|
int nfs_readdirrpc __P((struct vnode *, struct uio *, struct ucred *));
|
|
int nfs_asyncio __P((struct buf *, struct ucred *, struct proc *));
|
|
int nfs_doio __P((struct buf *, struct ucred *, struct proc *));
|
|
int nfs_readlinkrpc __P((struct vnode *, struct uio *, struct ucred *));
|
|
int nfs_sigintr __P((struct nfsmount *, struct nfsreq *, struct proc *));
|
|
int nfs_readdirplusrpc __P((struct vnode *, struct uio *, struct ucred *));
|
|
int nfsm_disct __P((struct mbuf **, caddr_t *, int, int, caddr_t *));
|
|
void nfsm_srvfattr __P((struct nfsrv_descript *, struct vattr *,
|
|
struct nfs_fattr *));
|
|
void nfsm_srvwcc __P((struct nfsrv_descript *, int, struct vattr *, int,
|
|
struct vattr *, struct mbuf **, char **));
|
|
void nfsm_srvpostopattr __P((struct nfsrv_descript *, int, struct vattr *,
|
|
struct mbuf **, char **));
|
|
int netaddr_match __P((int, union nethostaddr *, struct sockaddr *));
|
|
int nfs_request __P((struct vnode *, struct mbuf *, int, struct proc *,
|
|
struct ucred *, struct mbuf **, struct mbuf **,
|
|
caddr_t *));
|
|
int nfs_loadattrcache __P((struct vnode **, struct mbuf **, caddr_t *,
|
|
struct vattr *, int));
|
|
int nfs_namei __P((struct nameidata *, fhandle_t *, int,
|
|
struct nfssvc_sock *, struct sockaddr *, struct mbuf **,
|
|
caddr_t *, struct vnode **, struct proc *, int, int));
|
|
void nfsm_adj __P((struct mbuf *, int, int));
|
|
int nfsm_mbuftouio __P((struct mbuf **, struct uio *, int, caddr_t *));
|
|
void nfsrv_initcache __P((void));
|
|
int nfs_getauth __P((struct nfsmount *, struct nfsreq *, struct ucred *,
|
|
char **, int *, char *, int *, NFSKERBKEY_T));
|
|
int nfs_getnickauth __P((struct nfsmount *, struct ucred *, char **,
|
|
int *, char *, int));
|
|
int nfs_savenickauth __P((struct nfsmount *, struct ucred *, int,
|
|
NFSKERBKEY_T, struct mbuf **, char **,
|
|
struct mbuf *));
|
|
int nfs_adv __P((struct mbuf **, caddr_t *, int, int));
|
|
void nfs_nhinit __P((void));
|
|
void nfs_timer __P((void*));
|
|
u_long nfs_hash __P((nfsfh_t *, int));
|
|
int nfsrv_dorec __P((struct nfssvc_sock *, struct nfsd *,
|
|
struct nfsrv_descript **));
|
|
int nfsrv_getcache __P((struct nfsrv_descript *, struct nfssvc_sock *,
|
|
struct mbuf **));
|
|
void nfsrv_updatecache __P((struct nfsrv_descript *, int, struct mbuf *));
|
|
void nfsrv_cleancache __P((void));
|
|
int nfs_connect __P((struct nfsmount *, struct nfsreq *));
|
|
void nfs_disconnect __P((struct nfsmount *));
|
|
void nfs_safedisconnect __P((struct nfsmount *));
|
|
int nfs_getattrcache __P((struct vnode *, struct vattr *));
|
|
int nfsm_strtmbuf __P((struct mbuf **, char **, const char *, long));
|
|
int nfs_bioread __P((struct vnode *, struct uio *, int, struct ucred *));
|
|
int nfsm_uiotombuf __P((struct uio *, struct mbuf **, int, caddr_t *));
|
|
void nfsrv_init __P((int));
|
|
void nfs_clearcommit __P((struct mount *));
|
|
int nfsrv_errmap __P((struct nfsrv_descript *, int));
|
|
void nfsrvw_sort __P((gid_t *, int));
|
|
void nfsrv_setcred __P((struct ucred *, struct ucred *));
|
|
int nfs_writebp __P((struct buf *, int, struct proc *));
|
|
int nfsrv_object_create __P((struct vnode *));
|
|
void nfsrv_wakenfsd __P((struct nfssvc_sock *slp));
|
|
int nfsrv_writegather __P((struct nfsrv_descript **, struct nfssvc_sock *,
|
|
struct proc *, struct mbuf **));
|
|
int nfs_fsinfo __P((struct nfsmount *, struct vnode *, struct ucred *,
|
|
struct proc *p));
|
|
|
|
int nfsrv3_access __P((struct nfsrv_descript *nfsd,
|
|
struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_commit __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_create __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_fhtovp __P((fhandle_t *, int, struct vnode **, struct ucred *,
|
|
struct nfssvc_sock *, struct sockaddr *, int *,
|
|
int, int));
|
|
int nfsrv_setpublicfs __P((struct mount *, struct netexport *,
|
|
struct export_args *));
|
|
int nfs_ispublicfh __P((fhandle_t *));
|
|
int nfsrv_fsinfo __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_getattr __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_link __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_lookup __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_mkdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_mknod __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_noop __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_null __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_pathconf __P((struct nfsrv_descript *nfsd,
|
|
struct nfssvc_sock *slp, struct proc *procp,
|
|
struct mbuf **mrq));
|
|
int nfsrv_read __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_readdir __P((struct nfsrv_descript *nfsd,
|
|
struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_readdirplus __P((struct nfsrv_descript *nfsd,
|
|
struct nfssvc_sock *slp, struct proc *procp,
|
|
struct mbuf **mrq));
|
|
int nfsrv_readlink __P((struct nfsrv_descript *nfsd,
|
|
struct nfssvc_sock *slp, struct proc *procp,
|
|
struct mbuf **mrq));
|
|
int nfsrv_remove __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_rename __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_rmdir __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_setattr __P((struct nfsrv_descript *nfsd,
|
|
struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_statfs __P((struct nfsrv_descript *nfsd,
|
|
struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_symlink __P((struct nfsrv_descript *nfsd,
|
|
struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
int nfsrv_write __P((struct nfsrv_descript *nfsd, struct nfssvc_sock *slp,
|
|
struct proc *procp, struct mbuf **mrq));
|
|
void nfsrv_rcv __P((struct socket *so, void *arg, int waitflag));
|
|
void nfsrv_slpderef __P((struct nfssvc_sock *slp));
|
|
#endif /* _KERNEL */
|
|
|
|
#endif
|