Complete repo-copy and move of Coda from src/sys/coda to src/sys/fs/coda

by removing files from src/sys/coda, and updating include paths in the
new location, kernel configuration, and  Makefiles.  In one case add
$FreeBSD$.

Discussed with:		anderson, Jan Harkes <jaharkes@cs.cmu.edu>
Approved by:		re (kensmith)
Repo-copy madness:	simon

1 files changed, 0 insertions, 573 deletions

diff --git a/sys/coda/coda_subr.c b/sys/coda/coda_subr.c
deleted file mode 100644
index 878bd68..0000000
--- a/sys/coda/coda_subr.c
+++ /dev/null
@@ -1,573 +0,0 @@
-/*-
- *             Coda: an Experimental Distributed File System
- *                              Release 3.1
- * 
- *           Copyright (c) 1987-1998 Carnegie Mellon University
- *                          All Rights Reserved
- * 
- * Permission  to  use, copy, modify and distribute this software and its
- * documentation is hereby granted,  provided  that  both  the  copyright
- * notice  and  this  permission  notice  appear  in  all  copies  of the
- * software, derivative works or  modified  versions,  and  any  portions
- * thereof, and that both notices appear in supporting documentation, and
- * that credit is given to Carnegie Mellon University  in  all  documents
- * and publicity pertaining to direct or indirect use of this code or its
- * derivatives.
- * 
- * CODA IS AN EXPERIMENTAL SOFTWARE SYSTEM AND IS  KNOWN  TO  HAVE  BUGS,
- * SOME  OF  WHICH MAY HAVE SERIOUS CONSEQUENCES.  CARNEGIE MELLON ALLOWS
- * FREE USE OF THIS SOFTWARE IN ITS "AS IS" CONDITION.   CARNEGIE  MELLON
- * DISCLAIMS  ANY  LIABILITY  OF  ANY  KIND  FOR  ANY  DAMAGES WHATSOEVER
- * RESULTING DIRECTLY OR INDIRECTLY FROM THE USE OF THIS SOFTWARE  OR  OF
- * ANY DERIVATIVE WORK.
- * 
- * Carnegie  Mellon  encourages  users  of  this  software  to return any
- * improvements or extensions that  they  make,  and  to  grant  Carnegie
- * Mellon the rights to redistribute these changes without encumbrance.
- * 
- * 	@(#) src/sys/coda/coda_subr.c,v 1.1.1.1 1998/08/29 21:14:52 rvb Exp $
- */
-/*-
- * Mach Operating System
- * Copyright (c) 1989 Carnegie-Mellon University
- * All rights reserved.  The CMU software License Agreement specifies
- * the terms and conditions for use and redistribution.
- */
-
-/*
- * This code was written for the Coda filesystem at Carnegie Mellon
- * University.  Contributers include David Steere, James Kistler, and
- * M. Satyanarayanan.
- */
-
-/* NOTES: rvb
- * 1.	Added coda_unmounting to mark all cnodes as being UNMOUNTING.  This has to
- *	 be done before dounmount is called.  Because some of the routines that
- *	 dounmount calls before coda_unmounted might try to force flushes to venus.
- *	 The vnode pager does this.
- * 2.	coda_unmounting marks all cnodes scanning coda_cache.
- * 3.	cfs_checkunmounting (under DEBUG) checks all cnodes by chasing the vnodes
- *	 under the /coda mount point.
- * 4.	coda_cacheprint (under DEBUG) prints names with vnode/cnode address
- */
-
-#include <sys/cdefs.h>
-__FBSDID("$FreeBSD$");
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/lock.h>
-#include <sys/malloc.h>
-#include <sys/mutex.h>
-#include <sys/mount.h>
-
-#include <coda/coda.h>
-#include <coda/cnode.h>
-#include <coda/coda_subr.h>
-#include <coda/coda_namecache.h>
-
-int coda_active = 0;
-int coda_reuse = 0;
-int coda_new = 0;
-
-struct cnode *coda_freelist = NULL;
-struct cnode *coda_cache[CODA_CACHESIZE];
-
-#define	CNODE_NEXT(cp)	((cp)->c_next)
-
-#ifdef CODA_COMPAT_5
-#define coda_hash(fid) \
-    (((fid)->Volume + (fid)->Vnode) & (CODA_CACHESIZE-1))
-#define IS_DIR(cnode)        (cnode.Vnode & 0x1)
-#else
-#define coda_hash(fid) (coda_f2i(fid) & (CODA_CACHESIZE-1))
-#define IS_DIR(cnode)        (cnode.opaque[2] & 0x1)
-#endif
-
-/*
- * Allocate a cnode.
- */
-struct cnode *
-coda_alloc(void)
-{
-    struct cnode *cp;
-
-    if (coda_freelist) {
-	cp = coda_freelist;
-	coda_freelist = CNODE_NEXT(cp);
-	coda_reuse++;
-    }
-    else {
-	CODA_ALLOC(cp, struct cnode *, sizeof(struct cnode));
-	/* NetBSD vnodes don't have any Pager info in them ('cause there are
-	   no external pagers, duh!) */
-#define VNODE_VM_INFO_INIT(vp)         /* MT */
-	VNODE_VM_INFO_INIT(CTOV(cp));
-	coda_new++;
-    }
-    bzero(cp, sizeof (struct cnode));
-
-    return(cp);
-}
-
-/*
- * Deallocate a cnode.
- */
-void
-coda_free(cp)
-     register struct cnode *cp;
-{
-
-    CNODE_NEXT(cp) = coda_freelist;
-    coda_freelist = cp;
-}
-
-/*
- * Put a cnode in the hash table
- */
-void
-coda_save(cp)
-     struct cnode *cp;
-{
-	CNODE_NEXT(cp) = coda_cache[coda_hash(&cp->c_fid)];
-	coda_cache[coda_hash(&cp->c_fid)] = cp;
-}
-
-/*
- * Remove a cnode from the hash table
- */
-void
-coda_unsave(cp)
-     struct cnode *cp;
-{
-    struct cnode *ptr;
-    struct cnode *ptrprev = NULL;
-    
-    ptr = coda_cache[coda_hash(&cp->c_fid)]; 
-    while (ptr != NULL) { 
-	if (ptr == cp) { 
-	    if (ptrprev == NULL) {
-		coda_cache[coda_hash(&cp->c_fid)] 
-		    = CNODE_NEXT(ptr);
-	    } else {
-		CNODE_NEXT(ptrprev) = CNODE_NEXT(ptr);
-	    }
-	    CNODE_NEXT(cp) = (struct cnode *)NULL;
-	    
-	    return; 
-	}	
-	ptrprev = ptr;
-	ptr = CNODE_NEXT(ptr);
-    }	
-}
-
-/*
- * Lookup a cnode by fid. If the cnode is dying, it is bogus so skip it.
- * NOTE: this allows multiple cnodes with same fid -- dcs 1/25/95
- */
-struct cnode *
-coda_find(fid) 
-     CodaFid *fid;
-{
-    struct cnode *cp;
-
-    cp = coda_cache[coda_hash(fid)];
-    while (cp) {
-	    if (coda_fid_eq(&(cp->c_fid), fid) &&
-	    (!IS_UNMOUNTING(cp)))
-	    {
-		coda_active++;
-		return(cp); 
-	    }		    
-	cp = CNODE_NEXT(cp);
-    }
-    return(NULL);
-}
-
-/*
- * coda_kill is called as a side effect to vcopen. To prevent any
- * cnodes left around from an earlier run of a venus or warden from
- * causing problems with the new instance, mark any outstanding cnodes
- * as dying. Future operations on these cnodes should fail (excepting
- * coda_inactive of course!). Since multiple venii/wardens can be
- * running, only kill the cnodes for a particular entry in the
- * coda_mnttbl. -- DCS 12/1/94 */
-
-int
-coda_kill(whoIam, dcstat)
-	struct mount *whoIam;
-	enum dc_status dcstat;
-{
-	int hash, count = 0;
-	struct cnode *cp;
-	
-	/* 
-	 * Algorithm is as follows: 
-	 *     Second, flush whatever vnodes we can from the name cache.
-	 * 
-	 *     Finally, step through whatever is left and mark them dying.
-	 *        This prevents any operation at all.
-	 */
-	
-	/* This is slightly overkill, but should work. Eventually it'd be
-	 * nice to only flush those entries from the namecache that
-	 * reference a vnode in this vfs.  */
-	coda_nc_flush(dcstat);
-	
-	for (hash = 0; hash < CODA_CACHESIZE; hash++) {
-		for (cp = coda_cache[hash]; cp != NULL; cp = CNODE_NEXT(cp)) {
-			if (CTOV(cp)->v_mount == whoIam) {
-#ifdef	DEBUG
-				printf("coda_kill: vp %p, cp %p\n", CTOV(cp), cp);
-#endif
-				count++;
-				CODADEBUG(CODA_FLUSH, 
-					  myprintf(("Live cnode fid %s flags %d count %d\n",
-						    coda_f2s(&cp->c_fid),
-						    cp->c_flags,
-						    vrefcnt(CTOV(cp)))); );
-			}
-		}
-	}
-	return count;
-}
-
-/*
- * There are two reasons why a cnode may be in use, it may be in the
- * name cache or it may be executing.  
- */
-void
-coda_flush(dcstat)
-	enum dc_status dcstat;
-{
-    int hash;
-    struct cnode *cp;
-    
-    coda_clstat.ncalls++;
-    coda_clstat.reqs[CODA_FLUSH]++;
-    
-    coda_nc_flush(dcstat);	    /* flush files from the name cache */
-
-    for (hash = 0; hash < CODA_CACHESIZE; hash++) {
-	for (cp = coda_cache[hash]; cp != NULL; cp = CNODE_NEXT(cp)) {  
-	    if (!IS_DIR(cp->c_fid)) /* only files can be executed */
-		coda_vmflush(cp);
-	}
-    }
-}
-
-/*
- * As a debugging measure, print out any cnodes that lived through a
- * name cache flush.  
- */
-void
-coda_testflush(void)
-{
-    int hash;
-    struct cnode *cp;
-    
-    for (hash = 0; hash < CODA_CACHESIZE; hash++) {
-	for (cp = coda_cache[hash];
-	     cp != NULL;
-	     cp = CNODE_NEXT(cp)) {  
-	    myprintf(("Live cnode fid %s count %d\n",
-		      coda_f2s(&cp->c_fid), CTOV(cp)->v_usecount));
-	}
-    }
-}
-
-/*
- *     First, step through all cnodes and mark them unmounting.
- *         NetBSD kernels may try to fsync them now that venus
- *         is dead, which would be a bad thing.
- *
- */
-void
-coda_unmounting(whoIam)
-	struct mount *whoIam;
-{	
-	int hash;
-	struct cnode *cp;
-
-	for (hash = 0; hash < CODA_CACHESIZE; hash++) {
-		for (cp = coda_cache[hash]; cp != NULL; cp = CNODE_NEXT(cp)) {
-			if (CTOV(cp)->v_mount == whoIam) {
-				if (cp->c_flags & (C_LOCKED|C_WANTED)) {
-					printf("coda_unmounting: Unlocking %p\n", cp);
-					cp->c_flags &= ~(C_LOCKED|C_WANTED);
-					wakeup((caddr_t) cp);
-				}
-				cp->c_flags |= C_UNMOUNTING;
-			}
-		}
-	}
-}
-
-#ifdef	DEBUG
-void
-coda_checkunmounting(mp)
-	struct mount *mp;
-{
-	struct vnode *vp, *nvp;
-	struct cnode *cp;
-	int count = 0, bad = 0;
-
-	MNT_ILOCK(mp);
-	MNT_VNODE_FOREACH(vp, mp, nvp) {
-		VI_LOCK(vp);
-		if (vp->v_iflag & VI_DOOMED) {
-			VI_UNLOCK(vp);
-			continue;
-		}
-		cp = VTOC(vp);
-		count++;
-		if (!(cp->c_flags & C_UNMOUNTING)) {
-			bad++;
-			printf("vp %p, cp %p missed\n", vp, cp);
-			cp->c_flags |= C_UNMOUNTING;
-		}
-		VI_UNLOCK(vp);
-	}
-	MNT_IUNLOCK(mp);
-}
-
-void
-coda_cacheprint(whoIam)
-	struct mount *whoIam;
-{	
-	int hash;
-	struct cnode *cp;
-	int count = 0;
-
-	printf("coda_cacheprint: coda_ctlvp %p, cp %p", coda_ctlvp, VTOC(coda_ctlvp));
-	coda_nc_name(VTOC(coda_ctlvp));
-	printf("\n");
-
-	for (hash = 0; hash < CODA_CACHESIZE; hash++) {
-		for (cp = coda_cache[hash]; cp != NULL; cp = CNODE_NEXT(cp)) {
-			if (CTOV(cp)->v_mount == whoIam) {
-				printf("coda_cacheprint: vp %p, cp %p", CTOV(cp), cp);
-				coda_nc_name(cp);
-				printf("\n");
-				count++;
-			}
-		}
-	}
-	printf("coda_cacheprint: count %d\n", count);
-}
-#endif
-
-/*
- * There are 6 cases where invalidations occur. The semantics of each
- * is listed here.
- *
- * CODA_FLUSH     -- flush all entries from the name cache and the cnode cache.
- * CODA_PURGEUSER -- flush all entries from the name cache for a specific user
- *                  This call is a result of token expiration.
- *
- * The next two are the result of callbacks on a file or directory.
- * CODA_ZAPDIR    -- flush the attributes for the dir from its cnode.
- *                  Zap all children of this directory from the namecache.
- * CODA_ZAPFILE   -- flush the attributes for a file.
- *
- * The fifth is a result of Venus detecting an inconsistent file.
- * CODA_PURGEFID  -- flush the attribute for the file
- *                  If it is a dir (odd vnode), purge its 
- *                  children from the namecache
- *                  remove the file from the namecache.
- *
- * The sixth allows Venus to replace local fids with global ones
- * during reintegration.
- *
- * CODA_REPLACE -- replace one CodaFid with another throughout the name cache 
- */
-
-int handleDownCall(opcode, out)
-     int opcode; union outputArgs *out;
-{
-    int error;
-
-    /* Handle invalidate requests. */
-    switch (opcode) {
-      case CODA_FLUSH : {
-
-	  coda_flush(IS_DOWNCALL);
-	  
-	  CODADEBUG(CODA_FLUSH,coda_testflush();)    /* print remaining cnodes */
-	      return(0);
-      }
-	
-      case CODA_PURGEUSER : {
-	  coda_clstat.ncalls++;
-	  coda_clstat.reqs[CODA_PURGEUSER]++;
-	  
-	  /* XXX - need to prevent fsync's */
-#ifdef CODA_COMPAT_5
-	  coda_nc_purge_user(out->coda_purgeuser.cred.cr_uid, IS_DOWNCALL);
-#else
-	  coda_nc_purge_user(out->coda_purgeuser.uid, IS_DOWNCALL);
-#endif
-	  return(0);
-      }
-	
-      case CODA_ZAPFILE : {
-	  struct cnode *cp;
-
-	  error = 0;
-	  coda_clstat.ncalls++;
-	  coda_clstat.reqs[CODA_ZAPFILE]++;
-	  
-	  cp = coda_find(&out->coda_zapfile.Fid);
-	  if (cp != NULL) {
-	      vref(CTOV(cp));
-	      
-	      cp->c_flags &= ~C_VATTR;
-	      ASSERT_VOP_LOCKED(CTOV(cp), "coda HandleDownCall");
-	      if (CTOV(cp)->v_vflag & VV_TEXT)
-		  error = coda_vmflush(cp);
-	      CODADEBUG(CODA_ZAPFILE, 
-			myprintf(("zapfile: fid = %s, refcnt = %d, error = %d\n",
-				  coda_f2s(&cp->c_fid), CTOV(cp)->v_usecount - 1, error)););
-    if (vrefcnt(CTOV(cp)) == 1) {
-		  cp->c_flags |= C_PURGING;
-	      }
-	      vrele(CTOV(cp));
-	  }
-	  
-	  return(error);
-      }
-	
-      case CODA_ZAPDIR : {
-	  struct cnode *cp;
-
-	  coda_clstat.ncalls++;
-	  coda_clstat.reqs[CODA_ZAPDIR]++;
-	  
-	  cp = coda_find(&out->coda_zapdir.Fid);
-	  if (cp != NULL) {
-	      vref(CTOV(cp));
-	      
-	      cp->c_flags &= ~C_VATTR;
-	      coda_nc_zapParentfid(&out->coda_zapdir.Fid, IS_DOWNCALL);
-
-	      CODADEBUG(CODA_ZAPDIR, myprintf((
-		  "zapdir: fid = %s, refcnt = %d\n",
-		  coda_f2s(&cp->c_fid), CTOV(cp)->v_usecount - 1)););
-	      if (vrefcnt(CTOV(cp)) == 1) {
-		  cp->c_flags |= C_PURGING;
-	      }
-	      vrele(CTOV(cp));
-	  }
-	  
-	  return(0);
-      }
-	
-      case CODA_PURGEFID : {
-	  struct cnode *cp;
-
-	  error = 0;
-	  coda_clstat.ncalls++;
-	  coda_clstat.reqs[CODA_PURGEFID]++;
-
-	  cp = coda_find(&out->coda_purgefid.Fid);
-	  if (cp != NULL) {
-	      vref(CTOV(cp));
-	      if (IS_DIR(out->coda_purgefid.Fid)) { /* Vnode is a directory */
-		      coda_nc_zapParentfid(&out->coda_purgefid.Fid,IS_DOWNCALL);     
-	      }
-	      cp->c_flags &= ~C_VATTR;
-	      coda_nc_zapfid(&out->coda_purgefid.Fid, IS_DOWNCALL);
-	      ASSERT_VOP_LOCKED(CTOV(cp), "coda HandleDownCall");
-	      if (!(IS_DIR(out->coda_purgefid.Fid)) 
-		  && (CTOV(cp)->v_vflag & VV_TEXT)) {
-		  
-		  error = coda_vmflush(cp);
-	      }
-	      CODADEBUG(CODA_PURGEFID, myprintf((
-			 "purgefid: fid = %s, refcnt = %d, error = %d\n",
-			 coda_f2s(&cp->c_fid), CTOV(cp)->v_usecount - 1, error)););
-	      if (vrefcnt(CTOV(cp)) == 1) {
-		  cp->c_flags |= C_PURGING;
-	      }
-	      vrele(CTOV(cp));
-	  }
-	  return(error);
-      }
-
-      case CODA_REPLACE : {
-	  struct cnode *cp = NULL;
-
-	  coda_clstat.ncalls++;
-	  coda_clstat.reqs[CODA_REPLACE]++;
-	  
-	  cp = coda_find(&out->coda_replace.OldFid);
-	  if (cp != NULL) { 
-	      /* remove the cnode from the hash table, replace the fid, and reinsert */
-	      vref(CTOV(cp));
-	      coda_unsave(cp);
-	      cp->c_fid = out->coda_replace.NewFid;
-	      coda_save(cp);
-
-	      CODADEBUG(CODA_REPLACE, myprintf((
-			"replace: oldfid = %s, newfid = %s, cp = %p\n",
-			coda_f2s(&out->coda_replace.OldFid),
-			coda_f2s(&cp->c_fid), cp));)	      vrele(CTOV(cp));
-	  }
-	  return (0);
-      }
-      default:
-      	myprintf(("handleDownCall: unknown opcode %d\n", opcode));
-	return (EINVAL);
-    }
-}
-
-/* coda_grab_vnode: lives in either cfs_mach.c or cfs_nbsd.c */
-
-int
-coda_vmflush(cp)
-     struct cnode *cp;
-{
-    return 0;
-}
-
-
-/* 
- * kernel-internal debugging switches
- */
-void coda_debugon(void)
-{
-    codadebug = -1;
-    coda_nc_debug = -1;
-    coda_vnop_print_entry = 1;
-    coda_psdev_print_entry = 1;
-    coda_vfsop_print_entry = 1;
-}
-
-void coda_debugoff(void)
-{
-    codadebug = 0;
-    coda_nc_debug = 0;
-    coda_vnop_print_entry = 0;
-    coda_psdev_print_entry = 0;
-    coda_vfsop_print_entry = 0;
-}
-
-/*
- * Utilities used by both client and server
- * Standard levels:
- * 0) no debugging
- * 1) hard failures
- * 2) soft failures
- * 3) current test software
- * 4) main procedure entry points
- * 5) main procedure exit points
- * 6) utility procedure entry points
- * 7) utility procedure exit points
- * 8) obscure procedure entry points
- * 9) obscure procedure exit points
- * 10) random stuff
- * 11) all <= 1
- * 12) all <= 2
- * 13) all <= 3
- * ...
- */