Trivial changes: whitespace and modes.

Remote whitespace at the ends of lines.
Remove blank lines from the ends of files.
Change modes on source files so that they
are not executable.

Signed-off-by: Dan Cross <cross@gajendra.net>

46 files changed, 396 insertions, 421 deletions

diff --git a/src/cmd/venti/copy.c b/src/cmd/venti/copy.c
index d6d770bc..50d9bb20 100644
--- a/src/cmd/venti/copy.c
+++ b/src/cmd/venti/copy.c
@@ -53,7 +53,7 @@ static int
 havevisited(uchar score[VtScoreSize], int type)
 {
 	ScoreTree a;
-	
+
 	if(scoretree == nil)
 		return 0;
 	memmove(a.score, score, VtScoreSize);
@@ -99,7 +99,7 @@ walk(uchar score[VtScoreSize], uint type, int base, int depth)
 
 	if(memcmp(score, vtzeroscore, VtScoreSize) == 0 || memcmp(score, zeroscore, VtScoreSize) == 0)
 		return;
-	
+
 	if(havevisited(score, type)){
 		nskip++;
 		return;
@@ -145,7 +145,7 @@ walk(uchar score[VtScoreSize], uint type, int base, int depth)
 				continue;
 			walk(e.score, e.type, e.type&VtTypeBaseMask, depth+1);
 			/*
-			 * Don't repack unless we're rewriting -- some old 
+			 * Don't repack unless we're rewriting -- some old
 			 * vac files have psize==0 and dsize==0, and these
 			 * get rewritten by vtentryunpack to have less strange
 			 * block sizes.  So vtentryunpack; vtentrypack does not
@@ -175,7 +175,7 @@ walk(uchar score[VtScoreSize], uint type, int base, int depth)
 		sysfatal("writing block %V (type %d): %r", score, type);
 	}
 	if(!rewrite && memcmp(score, nscore, VtScoreSize) != 0)
-		sysfatal("not rewriting: wrote %V got %V", score, nscore);	
+		sysfatal("not rewriting: wrote %V got %V", score, nscore);
 
 	if((type !=0 || base !=0) && verbose){
 		n = vtzerotruncate(type, buf, n);
@@ -185,7 +185,7 @@ walk(uchar score[VtScoreSize], uint type, int base, int depth)
 			fprint(2, " ");
 		fprint(2, "<- %V\n", score);
 	}
-	
+
 	markvisited(score, type);
 	free(buf);
 }
diff --git a/src/cmd/venti/devnull.c b/src/cmd/venti/devnull.c
index fdad553e..3bf6cee4 100644
--- a/src/cmd/venti/devnull.c
+++ b/src/cmd/venti/devnull.c
@@ -33,7 +33,7 @@ threadmain(int argc, char **argv)
 
 	fmtinstall('V', vtscorefmt);
 	fmtinstall('F', vtfcallfmt);
-	
+
 	address = "tcp!*!venti";
 
 	ARGBEGIN{
@@ -76,4 +76,3 @@ threadmain(int argc, char **argv)
 	}
 	threadexitsall(nil);
 }
-
diff --git a/src/cmd/venti/dump.c b/src/cmd/venti/dump.c
index 352b3cac..53ec4bad 100644
--- a/src/cmd/venti/dump.c
+++ b/src/cmd/venti/dump.c
@@ -31,7 +31,7 @@ dump(int indent, uchar *score, int type)
 	uchar *buf;
 	VtEntry e;
 	VtRoot root;
-	
+
 	if(spaces[0] == 0)
 		memset(spaces, ' ', sizeof spaces-1);
 
@@ -54,7 +54,7 @@ dump(int indent, uchar *score, int type)
 			indent*4, spaces, score, root.name, root.type, root.prev, root.blocksize);
 		dump(indent+1, root.score, VtDirType);
 		break;
-	
+
 	case VtDirType:
 		Bprint(&bout, "%.*s%V dir n=%d\n", indent*4, spaces, score, n);
 		for(i=0; i*VtEntrySize<n; i++){
@@ -67,7 +67,7 @@ dump(int indent, uchar *score, int type)
 			dump(indent+2, e.score, e.type);
 		}
 		break;
-	
+
 	case VtDataType:
 		Bprint(&bout, "%.*s%V data n=%d", indent*4, spaces, score, n);
 		for(i=0; i<n; i++){
@@ -88,7 +88,7 @@ dump(int indent, uchar *score, int type)
 		break;
 	}
 out:
-	free(buf);		
+	free(buf);
 }
 
 
diff --git a/src/cmd/venti/randtest.c b/src/cmd/venti/randtest.c
index 7d94eef2..846279fe 100644
--- a/src/cmd/venti/randtest.c
+++ b/src/cmd/venti/randtest.c
@@ -333,4 +333,3 @@ xxxlrand(void)
 
 	return x;
 }
-
diff --git a/src/cmd/venti/readlist.c b/src/cmd/venti/readlist.c
index 0a201827..04ed8e32 100644
--- a/src/cmd/venti/readlist.c
+++ b/src/cmd/venti/readlist.c
@@ -50,7 +50,7 @@ parsescore(uchar *score, char *buf, int n)
 
 		if((i & 1) == 0)
 			c <<= 4;
-	
+
 		score[i>>1] |= c;
 	}
 	return 0;
diff --git a/src/cmd/venti/ro.c b/src/cmd/venti/ro.c
index ee954a32..a499aa1e 100644
--- a/src/cmd/venti/ro.c
+++ b/src/cmd/venti/ro.c
@@ -32,7 +32,7 @@ readthread(void *v)
 	VtReq *r;
 	uchar *buf;
 	int n;
-	
+
 	r = v;
 	buf = vtmalloc(r->tx.count);
 	if((n=vtread(z, r->tx.score, r->tx.blocktype, buf, r->tx.count)) < 0){
@@ -57,10 +57,10 @@ threadmain(int argc, char **argv)
 
 	fmtinstall('F', vtfcallfmt);
 	fmtinstall('V', vtscorefmt);
-	
+
 	address = "tcp!*!venti";
 	ventiaddress = nil;
-	
+
 	ARGBEGIN{
 	case 'v':
 		verbose++;
@@ -109,4 +109,3 @@ threadmain(int argc, char **argv)
 	}
 	threadexitsall(nil);
 }
-
diff --git a/src/cmd/venti/srv/arena.c b/src/cmd/venti/srv/arena.c
index ddeb3b4c..7df1fc4b 100644
--- a/src/cmd/venti/srv/arena.c
+++ b/src/cmd/venti/srv/arena.c
@@ -401,7 +401,7 @@ atailcmp(ATailStats *a, ATailStats *b)
 		return -1;
 	if(a->used > b->used)
 		return 1;
-		
+
 	/* suspect tests - why order this way? (no one cares) */
 	if(a->clumps < b->clumps)
 		return -1;
@@ -419,7 +419,7 @@ atailcmp(ATailStats *a, ATailStats *b)
 		return -1;
 	if(a->sealed > b->sealed)
 		return 1;
-		
+
 	/* everything matches */
 	return 0;
 }
@@ -574,7 +574,7 @@ ReadErr:
 	sha1(b->data, bs-VtScoreSize, nil, &s);
 	sha1(zeroscore, VtScoreSize, nil, &s);
 	sha1(nil, 0, score, &s);
-	
+
 	/*
 	 * check for no checksum or the same
 	 */
@@ -683,7 +683,7 @@ loadarena(Arena *arena)
 	     || arena->blocksize != head.blocksize
 	     || arena->size + 2 * arena->blocksize != head.size){
 		if(namecmp(arena->name, head.name)!=0)
-			logerr(ECorrupt, "arena tail name %s head %s", 
+			logerr(ECorrupt, "arena tail name %s head %s",
 				arena->name, head.name);
 		else if(arena->clumpmagic != head.clumpmagic)
 			logerr(ECorrupt, "arena tail clumpmagic 0x%lux head 0x%lux",
@@ -780,22 +780,22 @@ putcib(Arena *arena, CIBlock *cib)
 
 
 /*
- * For index entry readahead purposes, the arenas are 
+ * For index entry readahead purposes, the arenas are
  * broken into smaller subpieces, called clump info groups
  * or cigs.  Each cig has ArenaCIGSize clumps (ArenaCIGSize
  * is chosen to make the index entries take up about half
  * a megabyte).  The index entries do not contain enough
  * information to determine what the clump index is for
  * a given address in an arena.  That info is needed both for
- * figuring out which clump group an address belongs to 
+ * figuring out which clump group an address belongs to
  * and for prefetching a clump group's index entries from
  * the arena table of contents.  The first time clump groups
  * are accessed, we scan the entire arena table of contents
- * (which might be 10s of megabytes), recording the data 
+ * (which might be 10s of megabytes), recording the data
  * offset of each clump group.
  */
 
-/* 
+/*
  * load clump info group information by scanning entire toc.
  */
 static void
@@ -811,7 +811,7 @@ loadcig(Arena *arena)
 		return;
 
 //	fprint(2, "loadcig %s\n", arena->name);
-	
+
 	ncig = (arena->memstats.clumps+ArenaCIGSize-1) / ArenaCIGSize;
 	if(ncig == 0){
 		arena->cig = vtmalloc(1);
@@ -839,7 +839,7 @@ loadcig(Arena *arena)
 		}
 	}
 	vtfree(ci);
-	
+
 	arena->ncig = ncig;
 	arena->cig = cig;
 
@@ -900,7 +900,7 @@ asumload(Arena *arena, int g, IEntry *entries, int nentries)
 		fprint(2, "asking for too few entries\n");
 		return -1;
 	}
-	
+
 	qlock(&arena->lock);
 	if(arena->cig == nil)
 		loadcig(arena);
@@ -908,7 +908,7 @@ asumload(Arena *arena, int g, IEntry *entries, int nentries)
 		qunlock(&arena->lock);
 		return -1;
 	}
-	
+
 	addr = 0;
 	base = g*ArenaCIGSize;
 	limit = base + ArenaCIGSize;
diff --git a/src/cmd/venti/srv/bloom.c b/src/cmd/venti/srv/bloom.c
index 42418d1c..d50b1777 100644
--- a/src/cmd/venti/srv/bloom.c
+++ b/src/cmd/venti/srv/bloom.c
@@ -1,6 +1,6 @@
 /*
  * Bloom filter tracking which scores are present in our arenas
- * and (more importantly) which are not.  
+ * and (more importantly) which are not.
  */
 
 #include "stdinc.h"
@@ -13,19 +13,19 @@ int
 bloominit(Bloom *b, vlong vsize, u8int *data)
 {
 	ulong size;
-	
+
 	size = vsize;
 	if(size != vsize){	/* truncation */
 		werrstr("bloom data too big");
 		return -1;
 	}
-	
+
 	b->size = size;
 	b->nhash = 32;	/* will be fixed by caller on initialization */
 	if(data != nil)
 		if(unpackbloomhead(b, data) < 0)
 			return -1;
-	
+
 	b->bitmask = (b->size<<3) - 1;
 	b->data = data;
 	return 0;
@@ -42,7 +42,7 @@ readbloom(Part *p)
 {
 	uchar buf[512];
 	Bloom *b;
-	
+
 	b = vtmallocz(sizeof *b);
 	if(readpart(p, 0, buf, sizeof buf) < 0)
 		return nil;
@@ -75,7 +75,7 @@ int
 resetbloom(Bloom *b)
 {
 	uchar *data;
-	
+
 	data = vtmallocz(b->size);
 	b->data = data;
 	if(b->size == MaxBloomSize)	/* 2^32 overflows ulong */
@@ -92,7 +92,7 @@ loadbloom(Bloom *b)
 	uint ones;
 	uchar *data;
 	u32int *a;
-	
+
 	data = vtmallocz(b->size);
 	if(readpart(b->part, 0, data, b->size) < 0){
 		vtfree(b);
@@ -105,14 +105,14 @@ loadbloom(Bloom *b)
 	n = b->size/4;
 	ones = 0;
 	for(i=0; i<n; i++)
-		ones += countbits(a[i]); 
+		ones += countbits(a[i]);
 	addstat(StatBloomOnes, ones);
 
 	if(b->size == MaxBloomSize)	/* 2^32 overflows ulong */
 		addstat(StatBloomBits, b->size*8-1);
 	else
 		addstat(StatBloomBits, b->size*8);
-		
+
 	return 0;
 }
 
@@ -204,7 +204,7 @@ inbloomfilter(Bloom *b, u8int *score)
 
 	if(ignorebloom)
 		return 1;
-	
+
 	rlock(&b->lk);
 	r = _inbloomfilter(b, score);
 	runlock(&b->lk);
@@ -236,7 +236,7 @@ markbloomfiltern(Bloom *b, u8int score[][20], int n)
 
 	if(b == nil || b->data == nil)
 		return;
-	
+
 	rlock(&b->lk);
 	qlock(&b->mod);
 	for(i=0; i<n; i++)
@@ -251,7 +251,7 @@ bloomwriteproc(void *v)
 	int ret;
 	Bloom *b;
 
-	threadsetname("bloomwriteproc");	
+	threadsetname("bloomwriteproc");
 	b = v;
 	for(;;){
 		recv(b->writechan, 0);
@@ -268,5 +268,5 @@ startbloomproc(Bloom *b)
 {
 	b->writechan = chancreate(sizeof(void*), 0);
 	b->writedonechan = chancreate(sizeof(ulong), 0);
-	vtproc(bloomwriteproc, b);	
+	vtproc(bloomwriteproc, b);
 }
diff --git a/src/cmd/venti/srv/buildindex.c b/src/cmd/venti/srv/buildindex.c
index 95fb74b7..faf4b414 100644
--- a/src/cmd/venti/srv/buildindex.c
+++ b/src/cmd/venti/srv/buildindex.c
@@ -12,7 +12,7 @@ enum
 };
 
 typedef struct IEntryBuf IEntryBuf;
-struct IEntryBuf 
+struct IEntryBuf
 {
 	IEntry ie[100];
 	int nie;
@@ -61,7 +61,7 @@ threadmain(int argc, char *argv[])
 	u32int bcmem, imem;
 	Config conf;
 	Part *p;
-	
+
 	maxdisks = 100000;
 	ventifmtinstall();
 	imem = 256*1024*1024;
@@ -116,18 +116,18 @@ threadmain(int argc, char *argv[])
 			close(fd);
 		}
 	}
-	
+
 	/*
 	 * need a block for every arena
 	 */
 	bcmem = maxblocksize * (mainindex->narenas + 16);
 	if(0) fprint(2, "initialize %d bytes of disk block cache\n", bcmem);
 	initdcache(bcmem);
-	
+
 	totalclumps = 0;
 	for(i=0; i<ix->narenas; i++)
 		totalclumps += ix->arenas[i]->diskstats.clumps;
-	
+
 	totalbuckets = 0;
 	for(i=0; i<ix->nsects; i++)
 		totalbuckets += ix->sects[i]->blocks;
@@ -142,7 +142,7 @@ threadmain(int argc, char *argv[])
 			vtproc(isectproc, ix->sects[i]);
 		}
 	}
-	
+
 	for(i=0; i<nisect; i++)
 		if(isect[i])
 			fprint(2, "warning: did not find index section %s\n", isect[i]);
@@ -180,7 +180,7 @@ threadmain(int argc, char *argv[])
 	if(ix->bloom && writebloom(ix->bloom) < 0)
 		fprint(2, "writing bloom filter: %r\n");
 
-	fprint(2, "%T done arenaentries=%,lld indexed=%,lld (nskip=%,lld)\n", 
+	fprint(2, "%T done arenaentries=%,lld indexed=%,lld (nskip=%,lld)\n",
 		arenaentries, indexentries, skipentries);
 	threadexitsall(nil);
 }
@@ -189,7 +189,7 @@ static int
 shouldprocess(ISect *is)
 {
 	int i;
-	
+
 	if(nisect == 0)
 		return 1;
 
@@ -205,7 +205,7 @@ static void
 add(u64int *a, u64int n)
 {
 	static Lock l;
-	
+
 	lock(&l);
 	*a += n;
 	unlock(&l);
@@ -233,7 +233,7 @@ arenapartproc(void *v)
 	IEntryBuf *buf, *b;
 	uchar *score;
 	ScoreBuf sb;
-	
+
 	p = v;
 	threadsetname("arenaproc %s", p->name);
 	buf = MKNZ(IEntryBuf, ix->nsects);
@@ -247,10 +247,10 @@ arenapartproc(void *v)
 		if(a->part != p)
 			continue;
 		if(a->memstats.clumps)
-			fprint(2, "%T arena %s: %d entries\n", 
+			fprint(2, "%T arena %s: %d entries\n",
 				a->name, a->memstats.clumps);
 		/*
-		 * Running the loop backwards accesses the 
+		 * Running the loop backwards accesses the
 		 * clump info blocks forwards, since they are
 		 * stored in reverse order at the end of the arena.
 		 * This speeds things slightly.
@@ -304,7 +304,7 @@ arenapartproc(void *v)
 	}
 	add(&arenaentries, tot);
 	add(&skipentries, nskip);
-	
+
 	for(i=0; i<ix->nsects; i++)
 		if(ix->sects[i]->writechan && buf[i].nie > 0)
 			send(ix->sects[i]->writechan, &buf[i]);
@@ -323,7 +323,7 @@ static u32int
 score2bucket(ISect *is, uchar *score)
 {
 	u32int b;
-	
+
 	b = hashbits(score, 32)/ix->div;
 	if(b < is->start || b >= is->stop){
 		fprint(2, "score2bucket: score=%V div=%d b=%ud start=%ud stop=%ud\n",
@@ -340,7 +340,7 @@ static u32int
 offset2bucket(ISect *is, u64int offset)
 {
 	u32int b;
-	
+
 	assert(is->blockbase <= offset);
 	offset -= is->blockbase;
 	b = offset/is->blocksize;
@@ -358,7 +358,7 @@ bucket2offset(ISect *is, u32int b)
 	return is->blockbase + (u64int)b*is->blocksize;
 }
 
-/* 
+/*
  * IEntry buffers to hold initial round of spraying.
  */
 typedef struct Buf Buf;
@@ -378,7 +378,7 @@ static void
 bflush(Buf *buf)
 {
 	u32int bufsize;
-	
+
 	if(buf->woffset >= buf->eoffset)
 		sysfatal("buf index chunk overflow - need bigger index");
 	bufsize = buf->ep - buf->bp;
@@ -420,11 +420,11 @@ struct Minibuf
 };
 
 /*
- * Index entry pool.  Used when trying to shuffle around 
+ * Index entry pool.  Used when trying to shuffle around
  * the entries in a big buffer into the corresponding M minibuffers.
  * Sized to hold M*EntriesPerBlock entries, so that there will always
  * either be room in the pool for another block worth of entries
- * or there will be an entire block worth of sorted entries to 
+ * or there will be an entire block worth of sorted entries to
  * write out.
  */
 typedef struct IEntryLink IEntryLink;
@@ -461,7 +461,7 @@ countsokay(IPool *p)
 {
 	int i;
 	u64int n;
-	
+
 	n = 0;
 	for(i=0; i<p->nmbuf; i++)
 		n += p->mcount[i];
@@ -477,21 +477,21 @@ countsokay(IPool *p)
 */
 
 static IPool*
-mkipool(ISect *isect, Minibuf *mbuf, u32int nmbuf, 
+mkipool(ISect *isect, Minibuf *mbuf, u32int nmbuf,
 	u32int mbufbuckets, u32int bufsize)
 {
 	u32int i, nentry;
 	uchar *data;
 	IPool *p;
 	IEntryLink *l;
-	
+
 	nentry = (nmbuf+1)*bufsize / IEntrySize;
 	p = ezmalloc(sizeof(IPool)
 		+nentry*sizeof(IEntry)
 		+nmbuf*sizeof(IEntryLink*)
 		+nmbuf*sizeof(u32int)
 		+3*bufsize);
-	
+
 	p->isect = isect;
 	p->mbufbuckets = mbufbuckets;
 	p->bufsize = bufsize;
@@ -516,7 +516,7 @@ mkipool(ISect *isect, Minibuf *mbuf, u32int nmbuf,
 	return p;
 }
 
-/* 
+/*
  * Add the index entry ie to the pool p.
  * Caller must know there is room.
  */
@@ -543,7 +543,7 @@ ipoolinsert(IPool *p, uchar *ie)
 	l->next = p->mlist[x];
 	p->mlist[x] = l;
 	p->mcount[x]++;
-}	
+}
 
 /*
  * Pull out a block containing as many
@@ -555,7 +555,7 @@ ipoolgetbuf(IPool *p, u32int x)
 	uchar *bp, *ep, *wp;
 	IEntryLink *l;
 	u32int n;
-	
+
 	bp = p->wbuf;
 	ep = p->wbuf + p->bufsize;
 	n = 0;
@@ -582,7 +582,7 @@ static void
 ipoolloadblock(IPool *p, Minibuf *mb)
 {
 	u32int i, n;
-	
+
 	assert(mb->nentry > 0);
 	assert(mb->roffset >= mb->woffset);
 	assert(mb->roffset < mb->eoffset);
@@ -609,14 +609,14 @@ ipoolflush0(IPool *pool, u32int x)
 {
 	u32int bufsize;
 	Minibuf *mb;
-	
+
 	mb = pool->mbuf+x;
 	bufsize = pool->bufsize;
 	mb->nwentry += ipoolgetbuf(pool, x);
 	if(mb->nentry > 0 && mb->roffset == mb->woffset){
 		assert(pool->nfree >= pool->bufsize/IEntrySize);
 		/*
-		 * There will be room in the pool -- we just 
+		 * There will be room in the pool -- we just
 		 * removed a block worth.
 		 */
 		ipoolloadblock(pool, mb);
@@ -655,7 +655,7 @@ static void
 ipoolflush(IPool *pool)
 {
 	u32int i;
-	
+
 	for(i=0; i<pool->nmbuf; i++)
 		while(pool->mlist[i])
 			ipoolflush0(pool, i);
@@ -668,7 +668,7 @@ ipoolflush(IPool *pool)
  */
 
 /*
- * Compare two packed index entries.  
+ * Compare two packed index entries.
  * Usual ordering except break ties by putting higher
  * index addresses first (assumes have duplicates
  * due to corruption in the lower addresses).
@@ -678,7 +678,7 @@ ientrycmpaddr(const void *va, const void *vb)
 {
 	int i;
 	uchar *a, *b;
-	
+
 	a = (uchar*)va;
 	b = (uchar*)vb;
 	i = ientrycmp(a, b);
@@ -692,7 +692,7 @@ zerorange(Part *p, u64int o, u64int e)
 {
 	static uchar zero[MaxIoSize];
 	u32int n;
-	
+
 	for(; o<e; o+=n){
 		n = sizeof zero;
 		if(o+n > e)
@@ -703,7 +703,7 @@ zerorange(Part *p, u64int o, u64int e)
 }
 
 /*
- * Load a minibuffer into memory and write out the 
+ * Load a minibuffer into memory and write out the
  * corresponding buckets.
  */
 static void
@@ -714,10 +714,10 @@ sortminibuffer(ISect *is, Minibuf *mb, uchar *buf, u32int nbuf, u32int bufsize)
 	u64int o;
 	IBucket ib;
 	Part *part;
-	
+
 	part = is->part;
 	buckdata = emalloc(is->blocksize);
-	
+
 	if(mb->nwentry == 0)
 		return;
 
@@ -732,7 +732,7 @@ sortminibuffer(ISect *is, Minibuf *mb, uchar *buf, u32int nbuf, u32int bufsize)
 		return;
 	}
 	assert(*(uint*)buf != 0xa5a5a5a5);
-	
+
 	/*
 	 * remove fragmentation due to IEntrySize
 	 * not evenly dividing Bufsize
@@ -746,7 +746,7 @@ sortminibuffer(ISect *is, Minibuf *mb, uchar *buf, u32int nbuf, u32int bufsize)
 	ep = buf + mb->nwentry*IEntrySize;
 	assert(ep <= buf+nbuf);
 
-	/* 
+	/*
 	 * sort entries
 	 */
 	qsort(buf, mb->nwentry, IEntrySize, ientrycmpaddr);
@@ -795,14 +795,14 @@ isectproc(void *v)
 	IPool *ipool;
 	ISect *is;
 	Minibuf *mbuf, *mb;
-	
+
 	is = v;
 	blocksize = is->blocksize;
 	nbucket = is->stop - is->start;
 
 	/*
 	 * Three passes:
-	 *	pass 1 - write index entries from arenas into 
+	 *	pass 1 - write index entries from arenas into
 	 *		large sequential sections on index disk.
 	 *		requires nbuf * bufsize memory.
 	 *
@@ -810,36 +810,36 @@ isectproc(void *v)
 	 *		requires nminibuf * bufsize memory.
 	 *
 	 *	pass 3 - read each minibuf into memory and
-	 *		write buckets out. 
+	 *		write buckets out.
 	 *		requires entries/minibuf * IEntrySize memory.
-	 * 
+	 *
 	 * The larger we set bufsize the less seeking hurts us.
-	 * 
+	 *
 	 * The fewer sections and minibufs we have, the less
 	 * seeking hurts us.
-	 * 
-	 * The fewer sections and minibufs we have, the 
+	 *
+	 * The fewer sections and minibufs we have, the
 	 * more entries we end up with in each minibuf
-	 * at the end.  
+	 * at the end.
 	 *
 	 * Shoot for using half our memory to hold each
-	 * minibuf.  The chance of a random distribution 
-	 * getting off by 2x is quite low.  
+	 * minibuf.  The chance of a random distribution
+	 * getting off by 2x is quite low.
 	 *
-	 * Once that is decided, figure out the smallest 
+	 * Once that is decided, figure out the smallest
 	 * nminibuf and nsection/biggest bufsize we can use
 	 * and still fit in the memory constraints.
 	 */
-	
+
 	/* expected number of clump index entries we'll see */
 	xclump = nbucket * (double)totalclumps/totalbuckets;
-	
+
 	/* number of clumps we want to see in a minibuf */
 	xminiclump = isectmem/2/IEntrySize;
-	
+
 	/* total number of minibufs we need */
 	prod = (xclump+xminiclump-1) / xminiclump;
-	
+
 	/* if possible, skip second pass */
 	if(!dumb && prod*MinBufSize < isectmem){
 		nbuf = prod;
@@ -904,7 +904,7 @@ isectproc(void *v)
 		}
 	}
 	add(&indexentries, n);
-	
+
 	nn = 0;
 	for(i=0; i<nbuf; i++){
 		bflush(&buf[i]);
@@ -915,15 +915,15 @@ isectproc(void *v)
 	}
 	if(n != nn)
 		fprint(2, "isectproc bug: n=%ud nn=%ud\n", n, nn);
-		
+
 	free(data);
 
 	fprint(2, "%T %s: reordering\n", is->part->name);
-	
+
 	/*
 	 * Rearrange entries into minibuffers and then
 	 * split each minibuffer into buckets.
-	 * The minibuffer must be sized so that it is 
+	 * The minibuffer must be sized so that it is
 	 * a multiple of blocksize -- ipoolloadblock assumes
 	 * that each minibuf starts aligned on a blocksize
 	 * boundary.
@@ -971,7 +971,7 @@ isectproc(void *v)
 				while(mb->nentry > 0){
 					if(ipool->nfree < epbuf){
 						ipoolflush1(ipool);
-						/* ipoolflush1 might change mb->nentry */	
+						/* ipoolflush1 might change mb->nentry */
 						continue;
 					}
 					assert(ipool->nfree >= epbuf);
@@ -1002,9 +1002,6 @@ isectproc(void *v)
 		}
 		free(data);
 	}
-		
+
 	sendp(isectdonechan, is);
 }
-
-
-
diff --git a/src/cmd/venti/srv/clumpstats.c b/src/cmd/venti/srv/clumpstats.c
index d2cfe251..1a7e016c 100644
--- a/src/cmd/venti/srv/clumpstats.c
+++ b/src/cmd/venti/srv/clumpstats.c
@@ -122,6 +122,6 @@ threadmain(int argc, char *argv[])
 	initdcache(bcmem);
 
 	clumpstats(mainindex);
-	
+
 	threadexitsall(0);
 }
diff --git a/src/cmd/venti/srv/cmparenas.c b/src/cmd/venti/srv/cmparenas.c
index 322f16ee..5abf8575 100644
--- a/src/cmd/venti/srv/cmparenas.c
+++ b/src/cmd/venti/srv/cmparenas.c
@@ -57,7 +57,7 @@ printheader(char *name, ArenaHead *head, int fd)
 	Arena arena;
 	vlong baseoff, lo, hi, off;
 	int clumpmax;
-	
+
 	off = seek(fd, 0, 1);
 	seek(fd, off + head->size - head->blocksize, 0);
 	if(readblock(fd, data, head->blocksize) < 0){
@@ -91,7 +91,7 @@ printheader(char *name, ArenaHead *head, int fd)
 		lo = hi;
 	fprint(2, "\t%llx-%llx: clumps (%llx)\n", lo, hi, hi - lo);
 	fprint(2, "\t%llx-%llx: tail\n", hi, hi + head->blocksize);
-	
+
 	fprint(2, "arena:\n");
 	printarena(2, &arena);
 	return 0;
@@ -149,7 +149,7 @@ cmparena(char *name, vlong len)
 
 	if(printheader(name, &head, fd) < 0)
 		return;
-	
+
 	/*
 	 * now we know how much to read
 	 * read everything but the last block, which is special
@@ -196,7 +196,7 @@ static int
 shouldcheck(char *name, char **s, int n)
 {
 	int i;
-	
+
 	if(n == 0)
 		return 1;
 
@@ -213,7 +213,7 @@ char *
 readap(int fd, ArenaPart *ap)
 {
 	char *table;
-	
+
 	if(preadblock(fd, data, 8192, PartBlank) < 0)
 		sysfatal("read arena part header: %r");
 	if(unpackarenapart(ap, data) < 0)
@@ -237,7 +237,7 @@ threadmain(int argc, char *argv[])
 	vlong start, stop;
 	ArenaPart ap;
 	ArenaPart ap1;
-	
+
 	ventifmtinstall();
 	blocksize = MaxIoSize;
 	ARGBEGIN{
diff --git a/src/cmd/venti/srv/config.c b/src/cmd/venti/srv/config.c
index 8c29fe95..e7dde3e4 100644
--- a/src/cmd/venti/srv/config.c
+++ b/src/cmd/venti/srv/config.c
@@ -201,7 +201,7 @@ configisect(char *file)
 {
 	Part *part;
 	ISect *is;
-	
+
 	if(0) fprint(2, "configure index section in %s\n", file);
 
 	part = initpart(file, ORDWR|ODIRECT);
@@ -252,4 +252,3 @@ void
 needmainindex(void)
 {
 }
-
diff --git a/src/cmd/venti/srv/conv.c b/src/cmd/venti/srv/conv.c
index e6a6cbfe..90aefbec 100644
--- a/src/cmd/venti/srv/conv.c
+++ b/src/cmd/venti/srv/conv.c
@@ -162,7 +162,7 @@ unpackarena(Arena *arena, u8int *buf)
 	 * all the existing version 4 arenas too.
 	 *
 	 * To maintain backwards compatibility with existing venti
-	 * installations using the older format, we define that if 
+	 * installations using the older format, we define that if
 	 * memstats == diskstats, then the extension fields are not
 	 * included (see packarena below).  That is, only partially
 	 * indexed arenas have these fields.  Fully indexed arenas
@@ -181,7 +181,7 @@ unpackarena(Arena *arena, u8int *buf)
 		p += U64Size;
 		arena->memstats.sealed = U8GET(p);
 		p += U8Size;
-		
+
 		/*
 		 * 2008/4/2
 		 * Packarena (below) used to have a bug in which it would
@@ -264,7 +264,7 @@ _packarena(Arena *arena, u8int *buf, int forceext)
 	p += U64Size;
 	U8PUT(p, arena->diskstats.sealed);
 	p += U8Size;
-	
+
 	/*
 	 * Extension fields; see above.
 	 */
@@ -281,7 +281,7 @@ _packarena(Arena *arena, u8int *buf, int forceext)
 		p += U32Size;
 		U32PUT(p, arena->memstats.cclumps);
 		p += U32Size;
-		U64PUT(p, arena->memstats.used, t32);	
+		U64PUT(p, arena->memstats.used, t32);
 		p += U64Size;
 		U64PUT(p, arena->memstats.uncsize, t32);
 		p += U64Size;
@@ -669,7 +669,7 @@ unpackibucket(IBucket *b, u8int *buf, u32int magic)
 	b->data = buf + IBucketSize;
 	if(magic && magic != U32GET(buf+U16Size))
 		b->n = 0;
-}		
+}
 
 void
 packibucket(IBucket *b, u8int *buf, u32int magic)
@@ -705,7 +705,7 @@ unpackbloomhead(Bloom *b, u8int *buf)
 		return -1;
 	}
 	p += U32Size;
-	
+
 	m = U32GET(p);
 	if(m != BloomVersion){
 		seterr(ECorrupt, "bloom filter has wrong version %ud expected %ud", (uint)m, (uint)BloomVersion);
diff --git a/src/cmd/venti/srv/dat.h b/src/cmd/venti/srv/dat.h
index f47d01a1..68e6c8f5 100644
--- a/src/cmd/venti/srv/dat.h
+++ b/src/cmd/venti/srv/dat.h
@@ -90,7 +90,7 @@ enum
 	ArenaPartMagic		= 0xa9e4a5e7U,	/* arena partition header */
 	ArenaMagic		= 0xf2a14eadU,	/* arena trailer */
 	ArenaHeadMagic		= 0xd15c4eadU,	/* arena header */
-	
+
 	BloomMagic		= 0xb1004eadU,	/* bloom filter header */
 	BloomMaxHash	= 32,
 
@@ -145,7 +145,7 @@ enum
 	IEntryAddrOff		= VtScoreSize + U32Size + U16Size,
 
 	MaxClumpBlocks		=  (VtMaxLumpSize + ClumpSize + (1 << ABlockLog) - 1) >> ABlockLog,
-	
+
 	IcacheFrac		= 1000000,	/* denominator */
 
 	SleepForever		= 1000000000,	/* magic value for sleep time */
@@ -156,7 +156,7 @@ enum
 	DirtyArenaCib,
 	DirtyArenaTrailer,
 	DirtyMax,
-	
+
 	ArenaCIGSize = 10*1024,	// about 0.5 MB worth of IEntry.
 
 	VentiZZZZZZZZ
@@ -231,7 +231,7 @@ struct DBlock
 	u32int	used2;
 	u32int	ref;			/* reference count */
 	RWLock	lock;			/* for access to data only */
-	Channel	*writedonechan;	
+	Channel	*writedonechan;
 	void*	chanbuf[1];		/* buffer for the chan! */
 };
 
@@ -315,7 +315,7 @@ struct CIBlock
 };
 
 /*
- * Statistics kept in the tail. 
+ * Statistics kept in the tail.
  */
 struct ATailStats
 {
@@ -382,7 +382,7 @@ struct Arena
 	u32int		ctime;			/* first time a block was written */
 	u32int		wtime;			/* last time a block was written */
 	u32int		clumpmagic;
-	
+
 	ArenaCIG	*cig;
 	int	ncig;
 };
@@ -465,7 +465,7 @@ struct Index
 	Bloom		*bloom;	/* bloom filter */
 
 	/*
-	 * fields stored in config file 
+	 * fields stored in config file
 	 */
 	u32int		version;
 	char		name[ANameSize];	/* text label */
@@ -473,7 +473,7 @@ struct Index
 	AMap		*smap;			/* mapping of buckets to index sections */
 	int		narenas;
 	AMap		*amap;			/* mapping from index addesses to arenas */
-	
+
 	QLock	writing;
 };
 
@@ -529,7 +529,7 @@ struct IEntry
 	/* on disk data - 32 bytes*/
 	u8int	score[VtScoreSize];
 	IAddr	ia;
-	
+
 	IEntry	*nexthash;
 	IEntry	*nextdirty;
 	IEntry	*next;
@@ -657,7 +657,7 @@ enum
 
 	StatSumRead,
 	StatSumReadBytes,
-	
+
 	StatCigLoad,
 	StatCigLoadTime,
 
@@ -762,4 +762,3 @@ extern	ulong	stattime;
 #pragma varargck type "V" uchar*
 #define ODIRECT 0
 #endif
-
diff --git a/src/cmd/venti/srv/dcache.c b/src/cmd/venti/srv/dcache.c
index a50ef0c5..f4f00898 100644
--- a/src/cmd/venti/srv/dcache.c
+++ b/src/cmd/venti/srv/dcache.c
@@ -1,23 +1,23 @@
 /*
  * Disk cache.
- * 
+ *
  * Caches raw disk blocks.  Getdblock() gets a block, putdblock puts it back.
  * Getdblock has a mode parameter that determines i/o and access to a block:
  * if mode is OREAD or ORDWR, it is read from disk if not already in memory.
  * If mode is ORDWR or OWRITE, it is locked for exclusive use before being returned.
  * It is *not* marked dirty -- once changes have been made, they should be noted
- * by using dirtydblock() before putdblock().  
+ * by using dirtydblock() before putdblock().
  *
- * There is a global cache lock as well as a lock on each block. 
+ * There is a global cache lock as well as a lock on each block.
  * Within a thread, the cache lock can be acquired while holding a block lock,
  * but not vice versa; and a block cannot be locked if you already hold the lock
  * on another block.
- * 
+ *
  * The flush proc writes out dirty blocks in batches, one batch per dirty tag.
  * For example, the DirtyArena blocks are all written to disk before any of the
  * DirtyArenaCib blocks.
  *
- * This code used to be in charge of flushing the dirty index blocks out to 
+ * This code used to be in charge of flushing the dirty index blocks out to
  * disk, but updating the index turned out to benefit from extra care.
  * Now cached index blocks are never marked dirty.  The index.c code takes
  * care of updating them behind our back, and uses _getdblock to update any
@@ -134,7 +134,7 @@ DBlock*
 getdblock(Part *part, u64int addr, int mode)
 {
 	DBlock *b;
-	
+
 	b = _getdblock(part, addr, mode, 1);
 	if(mode == OREAD || mode == ORDWR)
 		addstat(StatDcacheRead, 1);
@@ -335,7 +335,7 @@ static void
 unchain(DBlock *b)
 {
 	ulong h;
-	
+
 	/*
 	 * unchain the block
 	 */
@@ -395,7 +395,7 @@ void
 emptydcache(void)
 {
 	DBlock *b;
-	
+
 	qlock(&dcache.lock);
 	while(dcache.nheap > 0){
 		b = dcache.heap[0];
@@ -575,7 +575,7 @@ parallelwrites(DBlock **b, DBlock **eb, int dirty)
 		assert(b<=p && p<eb);
 		recvp((*p)->writedonechan);
 	}
-	
+
 	/*
 	 * Flush the partitions that have been written to.
 	 */
diff --git a/src/cmd/venti/srv/disksched.c b/src/cmd/venti/srv/disksched.c
index d43b64c7..0315425c 100644
--- a/src/cmd/venti/srv/disksched.c
+++ b/src/cmd/venti/srv/disksched.c
@@ -15,7 +15,7 @@ disksched(void)
 	ulong t;
 	vlong cflush;
 	Stats *prev;
-	
+
 	/*
 	 * no locks because all the data accesses are atomic.
 	 */
@@ -40,22 +40,22 @@ disksched(void)
 
 			/* # entries written to index cache */
 			nwrite = stats.n[StatIcacheWrite] - prev->n[StatIcacheWrite];
-			
+
 			/* # dirty entries in index cache */
 			ndirty = stats.n[StatIcacheDirty] - prev->n[StatIcacheDirty];
-			
+
 			/* # entries flushed to disk */
 			nflush = nwrite - ndirty;
-			
+
 			/* want to stay around 70% dirty */
 			tdirty = (vlong)stats.n[StatIcacheSize]*700/1000;
-			
+
 			/* assume nflush*icachesleeptime is a constant */
 			cflush = (vlong)nflush*(icachesleeptime+1);
-			
+
 			/* computer number entries to write in next minute */
 			toflush = nwrite + (stats.n[StatIcacheDirty] - tdirty);
-			
+
 			/* schedule for  that many */
 			if(toflush <= 0 || cflush/toflush > 100000)
 				icachesleeptime = SleepForever;
@@ -86,4 +86,3 @@ diskaccess(int level)
 	}
 	lasttime[level] = time(0);
 }
-
diff --git a/src/cmd/venti/srv/fixarenas.c b/src/cmd/venti/srv/fixarenas.c
index d7ae41d3..8fc4f55d 100644
--- a/src/cmd/venti/srv/fixarenas.c
+++ b/src/cmd/venti/srv/fixarenas.c
@@ -6,7 +6,7 @@
  *
  * The rule here (hopefully followed!) is that block corruption
  * only ever has a local effect -- there are no blocks that you
- * can wipe out that will cause large portions of 
+ * can wipe out that will cause large portions of
  * uncorrupted data blocks to be useless.
  */
 
@@ -26,7 +26,7 @@ enum
 	K = 1024,
 	M = 1024*1024,
 	G = 1024*1024*1024,
-	
+
 	Block = 4096,
 };
 
@@ -64,7 +64,7 @@ static int
 zfmt(Fmt *fmt)
 {
 	vlong x;
-	
+
 	x = va_arg(fmt->args, vlong);
 	if(x == 0)
 		return fmtstrcpy(fmt, "0");
@@ -85,7 +85,7 @@ tfmt(Fmt *fmt)
 {
 	uint t;
 	char buf[30];
-	
+
 	t = va_arg(fmt->args, uint);
 	strcpy(buf, ctime(t));
 	buf[28] = 0;
@@ -133,7 +133,7 @@ readdisk(uchar *buf, vlong offset, int len)
 		memset(buf, 0xFB, len);
 		return buf;
 	}
-	
+
 	if(offset+len > partend){
 		memset(buf, 0xFB, len);
 		len = partend - offset;
@@ -141,7 +141,7 @@ readdisk(uchar *buf, vlong offset, int len)
 
 	if(readpart(part, offset, buf, len) >= 0)
 		return buf;
-	
+
 	/*
 	 * The read failed.  Clear the buffer to nonsense, and
 	 * then try reading in smaller pieces.  If that fails,
@@ -191,7 +191,7 @@ void
 sbdebug(Shabuf *sb, char *file)
 {
 	int fd;
-	
+
 	if(sb->fd > 0){
 		close(sb->fd);
 		sb->fd = 0;
@@ -234,7 +234,7 @@ sbupdate(Shabuf *sb, uchar *p, vlong offset, int len)
 		len -= x;
 	}
 	assert(sb->offset == offset);
-	
+
 	if(sb->fd > 0)
 		pwrite(sb->fd, p, len, offset - sb->r0);
 
@@ -243,7 +243,7 @@ sbupdate(Shabuf *sb, uchar *p, vlong offset, int len)
 		sb->offset += len;
 		return;
 	}
-	
+
 	/* save state every 4M so we can roll back quickly */
 	o = offset - sb->r0;
 	while(len > 0){
@@ -265,7 +265,7 @@ sbupdate(Shabuf *sb, uchar *p, vlong offset, int len)
 			}
 			sb->hist[x] = sb->state;
 		}
-	}		
+	}
 }
 
 void
@@ -273,7 +273,7 @@ sbdiskhash(Shabuf *sb, vlong eoffset)
 {
 	static uchar dbuf[4*M];
 	int n;
-	
+
 	while(sb->offset < eoffset){
 		n = sizeof dbuf;
 		if(sb->offset+n > eoffset)
@@ -289,7 +289,7 @@ sbrollback(Shabuf *sb, vlong offset)
 	int x;
 	vlong o;
 	Dir d;
-	
+
 	if(!sb->rollback || !sb->r0){
 		print("cannot rollback sha\n");
 		return;
@@ -305,7 +305,7 @@ sbrollback(Shabuf *sb, vlong offset)
 	sb->state = sb->hist[x];
 	sb->offset = sb->r0 + x*4*M;
 	assert(sb->offset <= offset);
-	
+
 	if(sb->fd > 0){
 		nulldir(&d);
 		d.length = sb->offset - sb->r0;
@@ -325,7 +325,7 @@ sbscore(Shabuf *sb, uchar *score)
 
 /*
  * If we're fixing arenas, then editing this memory edits the disk!
- * It will be written back out as new data is paged in. 
+ * It will be written back out as new data is paged in.
  */
 uchar buf[4*M];
 uchar sbuf[4*M];
@@ -341,7 +341,7 @@ pagein(vlong offset, int len)
 		memset(buf, 0xFB, sizeof buf);
 		return buf;
 	}
-	
+
 	if(offset+len > partend){
 		memset(buf, 0xFB, sizeof buf);
 		len = partend - offset;
@@ -373,16 +373,16 @@ zerorange(vlong offset, int len)
 	vlong ooff;
 	int olen;
 	enum { MinBlock = 4*K, MaxBlock = 8*K };
-	
+
 	if(0)
 	if(bufoffset <= offset && offset+len <= bufoffset+buflen){
 		memset(buf+(offset-bufoffset), 0, len);
 		return;
 	}
-	
+
 	ooff = bufoffset;
 	olen = buflen;
-	
+
 	i = offset%MinBlock;
 	if(i+len < MaxBlock){
 		pagein(offset-i, (len+MinBlock-1)&~(MinBlock-1));
@@ -455,7 +455,7 @@ static int
 vlongcmp(const void *va, const void *vb)
 {
 	vlong a, b;
-	
+
 	a = *(vlong*)va;
 	b = *(vlong*)vb;
 	if(a < b)
@@ -524,7 +524,7 @@ Info tailinfo4[] = {
 	1,	"sealed",
 	0
 };
-	
+
 Info tailinfo4a[] = {
 	/* tailinfo 4 */
 	4,	"magic",
@@ -547,7 +547,7 @@ Info tailinfo4a[] = {
 	1,	"mem.sealed",
 	0
 };
-	
+
 Info tailinfo5[] = {
 	4,	"magic",
 	D|4,	"version",
@@ -586,12 +586,12 @@ Info tailinfo5a[] = {
 	1,	"mem.sealed",
 	0
 };
-	
+
 void
 showdiffs(uchar *want, uchar *have, int len, Info *info)
 {
 	int n;
-	
+
 	while(len > 0 && (n=info->len&N) > 0){
 		if(memcmp(have, want, n) != 0){
 			switch(info->len){
@@ -625,7 +625,7 @@ showdiffs(uchar *want, uchar *have, int len, Info *info)
 				break;
 			case S|ANameSize:
 				print("\t%s: correct=%s disk=%.*s\n",
-					info->name, (char*)want, 
+					info->name, (char*)want,
 					utfnlen((char*)have, ANameSize-1),
 					(char*)have);
 				break;
@@ -672,7 +672,7 @@ guessgeometry(void)
 	uchar *p, *ep, *sp;
 	u64int diff[100], head[20], tail[20];
 	u64int offset, bestdiff;
-	
+
 	ap.version = ArenaPartVersion;
 
 	if(arenasize == 0 || ap.blocksize == 0){
@@ -705,8 +705,8 @@ guessgeometry(void)
 		}
 		if(nhead < 3 && ntail < 3)
 			sysfatal("too few intact arenas: %d heads, %d tails", nhead, ntail);
-	
-		/* 
+
+		/*
 		 * Arena size is likely the most common
 		 * inter-head or inter-tail spacing.
 		 */
@@ -816,7 +816,7 @@ guessgeometry(void)
 		}
 	}
 	p = pagein(ap.arenabase, Block);
-	print("arena base likely %z%s\n", (vlong)ap.arenabase, 
+	print("arena base likely %z%s\n", (vlong)ap.arenabase,
 		u32(p)!=ArenaHeadMagic ? " (but no arena head there)" : "");
 
 	ap.tabsize = ap.arenabase - ap.tabbase;
@@ -893,7 +893,7 @@ isclump(uchar *p, Clump *cl, u32int *pmagic)
 	uchar score[VtScoreSize], *bp;
 	Unwhack uw;
 	uchar ubuf[70*1024];
-	
+
 	bp = p;
 	magic = u32(p);
 	if(magic == 0)
@@ -942,7 +942,7 @@ isclump(uchar *p, Clump *cl, u32int *pmagic)
 		return 0;
 	}
 	p += cl->info.size;
-	
+
 	/* it all worked out in the end */
 	*pmagic = magic;
 	return p - bp;
@@ -975,7 +975,7 @@ int*
 ltreewalk(int *p, uchar *score)
 {
 	int i;
-	
+
 	for(;;){
 		if(*p == -1)
 			return p;
@@ -993,7 +993,7 @@ void
 addcibuf(ClumpInfo *ci, vlong corrupt)
 {
 	Cit *cit;
-	
+
 	if(ncibuf == mcibuf){
 		mcibuf += 131072;
 		cibuf = vtrealloc(cibuf, mcibuf*sizeof cibuf[0]);
@@ -1012,7 +1012,7 @@ void
 addcicorrupt(vlong len)
 {
 	static ClumpInfo zci;
-	
+
 	addcibuf(&zci, len);
 }
 
@@ -1021,7 +1021,7 @@ haveclump(uchar *score)
 {
 	int i;
 	int p;
-	
+
 	p = ciroot;
 	for(;;){
 		if(p == -1)
@@ -1054,7 +1054,7 @@ int
 sealedarena(uchar *p, int blocksize)
 {
 	int v, n;
-	
+
 	v = u32(p+4);
 	switch(v){
 	default:
@@ -1085,13 +1085,13 @@ int
 okayname(char *name, int n)
 {
 	char buf[20];
-	
+
 	if(nameok(name) < 0)
 		return 0;
 	sprint(buf, "%d", n);
 	if(n == 0)
 		buf[0] = 0;
-	if(strlen(name) < strlen(buf) 
+	if(strlen(name) < strlen(buf)
 	|| strcmp(name+strlen(name)-strlen(buf), buf) != 0)
 		return 0;
 	return 1;
@@ -1115,7 +1115,7 @@ loadci(vlong offset, Arena *arena, int nci)
 	int i, j, per;
 	uchar *p, *sp;
 	ClumpInfo *bci, *ci;
-	
+
 	per = arena->blocksize/ClumpInfoSize;
 	bci = vtmalloc(nci*sizeof bci[0]);
 	ci = bci;
@@ -1139,7 +1139,7 @@ writeci(vlong offset, Arena *arena, ClumpInfo *ci, int nci)
 {
 	int i, j, per;
 	uchar *p, *sp;
-	
+
 	per = arena->blocksize/ClumpInfoSize;
 	offset += arena->size - arena->blocksize;
 	p = sp = nil;
@@ -1177,11 +1177,11 @@ loadarenabasics(vlong offset0, int anum, ArenaHead *head, Arena *arena)
 	if(offset0+arena->size > partend)
 		arena->size = partend - offset0;
 	head->size = arena->size;
-	
+
 	arena->blocksize = ap.blocksize;
 	head->blocksize = arena->blocksize;
-	
-	/* 
+
+	/*
 	 * Look for clump magic and name in head/tail blocks.
 	 * All the other info we will reconstruct just in case.
 	 */
@@ -1194,7 +1194,7 @@ loadarenabasics(vlong offset0, int anum, ArenaHead *head, Arena *arena)
 			strcpy(head->name, ohead.name);
 	}
 
-	p = pagein(offset0+arena->size-arena->blocksize, 
+	p = pagein(offset0+arena->size-arena->blocksize,
 		arena->blocksize);
 	memset(&oarena, 0, sizeof oarena);
 	if(unpackarena(&oarena, p) >= 0){
@@ -1228,7 +1228,7 @@ print("old arena: sealed=%d\n", oarena.diskstats.sealed);
 	strcpy(lastbase, arena->name);
 	sprint(dname, "%d", anum);
 	lastbase[strlen(lastbase)-strlen(dname)] = 0;
-	
+
 	/* Was working in arena, now copy to head. */
 	head->version = arena->version;
 	memmove(head->name, arena->name, sizeof head->name);
@@ -1240,7 +1240,7 @@ void
 shahead(Shabuf *sb, vlong offset0, ArenaHead *head)
 {
 	uchar headbuf[MaxDiskBlock];
-	
+
 	sb->offset = offset0;
 	memset(headbuf, 0, sizeof headbuf);
 	packarenahead(head, headbuf);
@@ -1251,7 +1251,7 @@ u32int
 newclumpmagic(int version)
 {
 	u32int m;
-	
+
 	if(version == ArenaVersion4)
 		return _ClumpMagic;
 	do{
@@ -1279,7 +1279,7 @@ guessarena(vlong offset0, int anum, ArenaHead *head, Arena *arena,
 	ClumpInfo *bci, *ci, *eci, *xci;
 	Cit *bcit, *cit, *ecit;
 	Shabuf oldsha, newsha;
-	
+
 	/*
 	 * We expect to find an arena, with data, between offset
 	 * and offset+arenasize.  With any luck, the data starts at
@@ -1314,7 +1314,7 @@ guessarena(vlong offset0, int anum, ArenaHead *head, Arena *arena,
 	loadarenabasics(offset0, anum, head, arena);
 
 	/* start the clump hunt */
-	
+
 	clumps = 0;
 	totalcorrupt = 0;
 	sealing = 1;
@@ -1424,7 +1424,7 @@ guessarena(vlong offset0, int anum, ArenaHead *head, Arena *arena,
 			 * grow clump info blocks if needed.
 			 */
 			if(verbose > 1)
-				print("\tclump %d: %d %V at %#llux+%#ux (%d)\n", 
+				print("\tclump %d: %d %V at %#llux+%#ux (%d)\n",
 					clumps, cl.info.type, cl.info.score, offset, n, n);
 			addcibuf(&cl.info, 0);
 			if(minclumps%ncib == 0)
@@ -1435,7 +1435,7 @@ guessarena(vlong offset0, int anum, ArenaHead *head, Arena *arena,
 				arena->diskstats.cclumps++;
 			arena->diskstats.uncsize += cl.info.uncsize;
 			arena->wtime = cl.time;
-			
+
 			/*
 			 * Move to next clump.
 			 */
@@ -1470,7 +1470,7 @@ guessarena(vlong offset0, int anum, ArenaHead *head, Arena *arena,
 	pageout();
 
 	if(verbose)
-		print("readable clumps: %d; min. directory entries: %d\n", 
+		print("readable clumps: %d; min. directory entries: %d\n",
 			clumps, minclumps);
 	arena->diskstats.used = lastclumpend - boffset;
 	leaked = eoffset - lastclumpend;
@@ -1488,10 +1488,10 @@ guessarena(vlong offset0, int anum, ArenaHead *head, Arena *arena,
 		sbupdate(&oldsha, dbuf, toffset, arena->blocksize);
 		sbscore(&oldsha, oldscore);
 	}
-	
+
 	/*
 	 * If we still don't know the clump magic, the arena
-	 * must be empty.  It still needs a value, so make 
+	 * must be empty.  It still needs a value, so make
 	 * something up.
 	 */
 	if(arena->version == 0)
@@ -1537,7 +1537,7 @@ guessarena(vlong offset0, int anum, ArenaHead *head, Arena *arena,
 		v = offset0 + arena->size - arena->blocksize;
 		clumps = (v-lastclumpend)/arena->blocksize * ncib;
 	}
-	
+
 	if(clumps < minclumps)
 		print("cannot happen?\n");
 
@@ -1546,7 +1546,7 @@ guessarena(vlong offset0, int anum, ArenaHead *head, Arena *arena,
 	 * The tricky part is handling the corrupt sections of arena.
 	 * If possible, we remark just the affected directory entries
 	 * rather than slide everything down.
-	 * 
+	 *
 	 * Allocate clumps+1 blocks and check that we don't need
 	 * the last one at the end.
 	 */
@@ -1554,7 +1554,7 @@ guessarena(vlong offset0, int anum, ArenaHead *head, Arena *arena,
 	eci = bci+clumps+1;
 	bcit = cibuf;
 	ecit = cibuf+ncibuf;
-	
+
 	smart = 0;	/* Somehow the smart code doesn't do corrupt clumps right. */
 Again:
 	nbad = 0;
@@ -1614,11 +1614,11 @@ Again:
 		if(clumpinfocmp(&cit->ci, ci) != 0){
 			if(verbose && (smart || verbose>1)){
 				print("clumpinfo %d\n", (int)(ci-bci));
-				print("\twant: %d %d %d %V\n", 
+				print("\twant: %d %d %d %V\n",
 					cit->ci.type, cit->ci.size,
 					cit->ci.uncsize, cit->ci.score);
-				print("\thave: %d %d %d %V\n", 
-					ci->type, ci->size, 
+				print("\thave: %d %d %d %V\n",
+					ci->type, ci->size,
 					ci->uncsize, ci->score);
 			}
 			*ci = cit->ci;
@@ -1633,7 +1633,7 @@ Again:
 		smart = 0;
 		goto Again;
 	}
-	
+
 	assert(ci <= eci);
 	arena->diskstats.clumps = ci-bci;
 	eoffset = writeci(offset0, arena, bci, ci-bci);
@@ -1661,7 +1661,7 @@ Nocib:
 	arena->memstats = arena->diskstats;
 	if(sealing && fix){
 		uchar tbuf[MaxDiskBlock];
-		
+
 		sbdiskhash(&newsha, toffset);
 		memset(tbuf, 0, sizeof tbuf);
 		packarena(arena, tbuf);
@@ -1676,7 +1676,7 @@ dumparena(vlong offset, int anum, Arena *arena)
 	char buf[1000];
 	vlong o, e;
 	int fd, n;
-	
+
 	snprint(buf, sizeof buf, "%s.%d", dumpbase, anum);
 	if((fd = create(buf, OWRITE, 0666)) < 0){
 		fprint(2, "create %s: %r\n", buf);
@@ -1703,7 +1703,7 @@ checkarena(vlong offset, int anum)
 	ArenaHead head;
 	Info *fmt, *fmta;
 	int sz;
-	
+
 	print("# arena %d: offset %#llux\n", anum, offset);
 
 	if(offset >= partend){
@@ -1737,11 +1737,11 @@ checkarena(vlong offset, int anum)
 	p = pagein(offset, arena.blocksize);
 	if(memcmp(dbuf, p, arena.blocksize) != 0){
 		print("on-disk arena header incorrect\n");
-		showdiffs(dbuf, p, arena.blocksize, 
+		showdiffs(dbuf, p, arena.blocksize,
 			arena.version==ArenaVersion4 ? headinfo4 : headinfo5);
 	}
 	memmove(p, dbuf, arena.blocksize);
-	
+
 	memset(dbuf, 0, sizeof dbuf);
 	packarena(&arena, dbuf);
 	if(arena.diskstats.sealed)
@@ -1781,14 +1781,14 @@ checkarena(vlong offset, int anum)
 			print("\t   disk=%V\n", p+arena.blocksize-VtScoreSize);
 		}
 		if(fix && scorecmp(p+arena.blocksize-VtScoreSize, score) != 0){
-			print("%ssealing arena%s: %V\n", 
+			print("%ssealing arena%s: %V\n",
 				oarena.diskstats.sealed ? "re" : "",
-				scorecmp(oldscore, score) == 0 ? 
+				scorecmp(oldscore, score) == 0 ?
 					"" : " after changes", score);
 		}
 	}
 	memmove(p, dbuf, arena.blocksize);
-	
+
 	pageout();
 }
 
@@ -1800,7 +1800,7 @@ buildamap(void)
 	ArenaHead h;
 	AMapN *an;
 	AMap *m;
-	
+
 	an = vtmallocz(sizeof *an);
 	for(o=ap.arenabase; o<partend; o+=arenasize){
 		p = pagein(o, Block);
@@ -1812,7 +1812,7 @@ buildamap(void)
 			strcpy(m->name, h.name);
 		}
 	}
-	return an;	
+	return an;
 }
 
 void
@@ -1823,7 +1823,7 @@ checkmap(void)
 	int i, len;
 	AMapN *an;
 	Fmt fmt;
-	
+
 	an = buildamap();
 	fmtstrinit(&fmt);
 	fmtprint(&fmt, "%ud\n", an->n);
@@ -1837,7 +1837,7 @@ checkmap(void)
 			(vlong)len, (vlong)ap.tabsize);
 		len = ap.tabsize;
 	}
-	
+
 	if(ap.tabsize >= 4*M){	/* can't happen - max arenas is 2000 */
 		print("arena partition map *way* too long\n");
 		return;
@@ -1857,9 +1857,9 @@ void
 threadmain(int argc, char **argv)
 {
 	int mode;
-	
+
 	mode = OREAD;
-	readonly = 1;	
+	readonly = 1;
 	ARGBEGIN{
 	case 'U':
 		unseal = 1;
@@ -1887,22 +1887,22 @@ threadmain(int argc, char **argv)
 	default:
 		usage();
 	}ARGEND
-	
+
 	if(argc != 1 && argc != 2)
 		usage();
 
 	file = argv[0];
-	
+
 	ventifmtinstall();
 	fmtinstall('z', zfmt);
 	fmtinstall('t', tfmt);
 	quotefmtinstall();
-	
+
 	part = initpart(file, mode|ODIRECT);
 	if(part == nil)
 		sysfatal("can't open %s: %r", file);
 	partend = part->size;
-	
+
 	if(isonearena()){
 		checkarena(0, -1);
 		threadexitsall(nil);
@@ -1911,4 +1911,3 @@ threadmain(int argc, char **argv)
 	checkmap();
 	threadexitsall(nil);
 }
-
diff --git a/src/cmd/venti/srv/fmtbloom.c b/src/cmd/venti/srv/fmtbloom.c
index 76677871..db08b91a 100644
--- a/src/cmd/venti/srv/fmtbloom.c
+++ b/src/cmd/venti/srv/fmtbloom.c
@@ -19,7 +19,7 @@ threadmain(int argc, char *argv[])
 	vlong bits, size, size2;
 	int nhash;
 	vlong nblocks;
-	
+
 	ventifmtinstall();
 	statsinit();
 
@@ -62,7 +62,7 @@ threadmain(int argc, char *argv[])
 
 	if(size == 0)
 		size = part->size;
-	
+
 	if(size < 1024*1024)
 		sysfatal("bloom filter too small");
 
@@ -93,7 +93,7 @@ threadmain(int argc, char *argv[])
 		}
 
 		/*
-		 * optimal is to use ln 2 times as many hash functions as we have bits per blocks.  
+		 * optimal is to use ln 2 times as many hash functions as we have bits per blocks.
 		 */
 		bits = (8*size)/nblocks;
 		nhash = bits*7/10;
diff --git a/src/cmd/venti/srv/graph.c b/src/cmd/venti/srv/graph.c
index db12c3d9..f4336369 100644
--- a/src/cmd/venti/srv/graph.c
+++ b/src/cmd/venti/srv/graph.c
@@ -36,7 +36,7 @@ Memimage*
 allocrepl(ulong color)
 {
 	Memimage *m;
-	
+
 	m = allocmemimage(Rect(0,0,1,1), RGB24);
 	memfillcolor(m, color);
 	m->flags |= Frepl;
@@ -49,10 +49,10 @@ ginit(void)
 {
 	static int first = 1;
 	int i;
-	
+
 	if(!first)
 		return;
-		
+
 	first = 0;
 	memimageinit();
 #ifdef PLAN9PORT
@@ -90,7 +90,7 @@ drawlabel(Memimage *m, Point p, int n)
 {
 	char buf[30];
 	Point w;
-	
+
 	mklabel(buf, n);
 	w = memsubfontwidth(smallfont, buf);
 	memimagestring(m, Pt(p.x-5-w.x, p.y), memblack, ZP, smallfont, buf);
@@ -117,7 +117,7 @@ statgraph(Graph *g)
 	Statbin *b, bin[2000];	/* 32 kB, but whack is worse */
 
 	needstack(8192);	/* double check that bin didn't kill us */
-	
+
 	if(g->wid <= MinWidth)
 		g->wid = DefaultWidth;
 	if(g->ht <= MinHeight)
@@ -128,7 +128,7 @@ statgraph(Graph *g)
 		g->fill = ((uint)(uintptr)g->arg>>8)%nelem(lofill);
 	if(g->fill > nelem(lofill))
 		g->fill %= nelem(lofill);
-	
+
 	nbin = g->wid - (Left+Right);
 	binstats(g->fn, g->arg, g->t0, g->t1, bin, nbin);
 
@@ -168,7 +168,7 @@ statgraph(Graph *g)
 	}
 	r = Rect(Left, Top, g->wid-Right, g->ht-Bottom);
 	memfillcolor(m, DTransparent);
-	
+
 	/* x axis */
 	memimagedraw(m, Rect(r.min.x, r.max.y, r.max.x, r.max.y+1), black, ZP, memopaque, ZP, S);
 
@@ -176,7 +176,7 @@ statgraph(Graph *g)
 	drawlabel(m, r.min, max);
 	if(min != 0)
 		drawlabel(m, Pt(r.min.x, r.max.y-smallfont->height), min);
-	
+
 	/* actual data */
 	for(i=0; i<nbin; i++){
 		b = &bin[i];
diff --git a/src/cmd/venti/srv/hdisk.c b/src/cmd/venti/srv/hdisk.c
index 8cf937d1..e477b815 100644
--- a/src/cmd/venti/srv/hdisk.c
+++ b/src/cmd/venti/srv/hdisk.c
@@ -14,7 +14,7 @@ hdisk(HConnect *c)
 	char *disk, *type;
 	Part *p;
 	int ret;
-	
+
 	if(hsethtml(c) < 0)
 		return -1;
 
@@ -42,7 +42,7 @@ hdisk(HConnect *c)
 		return 0;
 	}
 	freepart(p);
-	return ret;	
+	return ret;
 }
 
 static int
@@ -51,7 +51,7 @@ disksummary(HConnect *c)
 	int i;
 	Index *ix;
 	Part *p;
-	
+
 	hprint(&c->hout, "<h1>venti disks</h1>\n");
 	hprint(&c->hout, "<pre>\n");
 	ix = mainindex;
@@ -83,7 +83,7 @@ readap(Part *p, ArenaPart *ap)
 {
 	uchar *blk;
 	char *table;
-	
+
 	blk = vtmalloc(8192);
 	if(readpart(p, PartBlank, blk, 8192) != 8192)
 		return nil;
@@ -108,7 +108,7 @@ xfindarena(char *table, char *name, vlong *start, vlong *end)
 {
 	int i, nline;
 	char *p, *q, *f[4], line[256];
-	
+
 	nline = atoi(table);
 	p = strchr(table, '\n');
 	if(p)
@@ -212,7 +212,7 @@ diskarenapart(HConnect *c, char *disk, Part *p)
 		hprint(&c->hout, "%r\n");
 		goto out;
 	}
-	
+
 	hprint(&c->hout, "<pre>\n");
 	hprint(&c->hout, "version=%d blocksize=%d base=%d\n",
 		ap.version, ap.blocksize, ap.arenabase);
@@ -223,12 +223,12 @@ diskarenapart(HConnect *c, char *disk, Part *p)
 		diskarenatable(c, disk, table);
 		goto out;
 	}
-	
+
 	if(xfindarena(table, arenaname, &start, &end) < 0){
 		hprint(&c->hout, "no such arena %s\n", arenaname);
 		goto out;
 	}
-	
+
 	hprint(&c->hout, "<h2>arena %s</h2>\n", arenaname);
 	hprint(&c->hout, "<pre>start=%#llx end=%#llx<pre>\n", start, end);
 	if(end < start || end - start < HeadSize){
@@ -253,7 +253,7 @@ diskarenapart(HConnect *c, char *disk, Part *p)
 
 	hprint(&c->hout, "head:\n<pre>\n");
 	hprint(&c->hout, "version=%d name=%s blocksize=%d size=%#llx clumpmagic=%#ux\n",
-		head.version, head.name, head.blocksize, head.size, 
+		head.version, head.name, head.blocksize, head.size,
 		head.clumpmagic);
 	hprint(&c->hout, "</pre><br><br>\n");
 
@@ -281,7 +281,7 @@ diskarenapart(HConnect *c, char *disk, Part *p)
 	scorecp(arena.score, blk+head.blocksize - VtScoreSize);
 
 	vtfree(blk);
-	
+
 	hprint(&c->hout, "tail:\n<pre>\n");
 	hprint(&c->hout, "version=%d name=%s\n", arena.version, arena.name);
 	hprint(&c->hout, "ctime=%d %s\n", arena.ctime, fmttime(tbuf, arena.ctime));
@@ -389,10 +389,10 @@ diskarenatoc(HConnect *c, Arena *arena)
 		}
 		unpackclumpinfo(&ci, blk+(i%arena->clumpmax)*ClumpInfoSize);
 		if(i/arena->clumpmax == cib || i%arena->clumpmax == 0){
-			hprint(&c->hout, "%5d %6d %7d %V", 
+			hprint(&c->hout, "%5d %6d %7d %V",
 				ci.type, ci.size, ci.uncsize, ci.score);
 			if(coff >= 0)
-				hprint(&c->hout, " at <a href=\"%s&clump=%#llx&score=%V\">%#llx</a>", 
+				hprint(&c->hout, " at <a href=\"%s&clump=%#llx&score=%V\">%#llx</a>",
 					base, coff, ci.score, coff);
 			if(i/arena->clumpmax != cib)
 				hprint(&c->hout, "  <font size=-1><a href=\"%s&cib=%d\">more</a></font>", base, i/arena->clumpmax);
@@ -415,7 +415,7 @@ diskarenaclump(HConnect *c, Arena *arena, vlong off, char *scorestr)
 	uchar xscore[VtScoreSize], score[VtScoreSize];
 	Unwhack uw;
 	int n;
-	
+
 	if(scorestr){
 		if(vtparsescore(scorestr, nil, score) < 0){
 			hprint(&c->hout, "bad score %s: %r\n", scorestr);
@@ -436,7 +436,7 @@ diskarenaclump(HConnect *c, Arena *arena, vlong off, char *scorestr)
 		hprint(&c->hout, "bad offset %#llx\n", off);
 		return -1;
 	}
-	
+
 	off += arena->base;
 
 	blk = vtmalloc(ClumpSize + VtMaxLumpSize);
@@ -461,15 +461,15 @@ diskarenaclump(HConnect *c, Arena *arena, vlong off, char *scorestr)
 
 	hprint(&c->hout, "<pre>type=%d size=%d uncsize=%d score=%V\n", cl.info.type, cl.info.size, cl.info.uncsize, cl.info.score);
 	hprint(&c->hout, "encoding=%d creator=%d time=%d %s</pre>\n", cl.encoding, cl.creator, cl.time, fmttime(err, cl.time));
-	
+
 	if(cl.info.type == VtCorruptType)
 		hprint(&c->hout, "clump is marked corrupt<br>\n");
-	
+
 	if(cl.info.size >= VtMaxLumpSize){
 		hprint(&c->hout, "clump too big\n");
 		goto error;
 	}
-	
+
 	switch(cl.encoding){
 	case ClumpECompress:
 		blk2 = vtmalloc(VtMaxLumpSize);
@@ -493,7 +493,7 @@ diskarenaclump(HConnect *c, Arena *arena, vlong off, char *scorestr)
 		scoremem(xscore, blk+ClumpSize, cl.info.size);
 		break;
 	}
-	
+
 	hprint(&c->hout, "score=%V<br>\n", xscore);
 	if(scorestr && scorecmp(score, xscore) != 0)
 		hprint(&c->hout, "score does NOT match expected %V\n", score);
@@ -536,7 +536,7 @@ debugamap(HConnect *c)
 
 	amap = mainindex->amap;
 	for(i=0; i<mainindex->narenas; i++)
-		hprint(&c->hout, "%s %#llx %#llx\n", 
+		hprint(&c->hout, "%s %#llx %#llx\n",
 			amap[i].name, amap[i].start, amap[i].stop);
 }
 
@@ -559,23 +559,23 @@ debugread(HConnect *c, u8int *score)
 		hprint(&c->hout, "zero score\n");
 		return;
 	}
-	
+
 	hprint(&c->hout, "<h2>index search %V</h2><pre>\n", score);
 	if(icachelookup(score, -1, &ia) < 0)
 		hprint(&c->hout, "  icache: not found\n");
 	else
 		hprint(&c->hout, "  icache: addr=%#llx size=%d type=%d blocks=%d\n",
 			ia.addr, ia.size, ia.type, ia.blocks);
-	
+
 	if(loadientry(mainindex, score, -1, &ie) < 0)
 		hprint(&c->hout, "  idisk: not found\n");
 	else
 		hprint(&c->hout, "  idisk: addr=%#llx size=%d type=%d blocks=%d\n",
 			ie.ia.addr, ie.ia.size, ie.ia.type, ie.ia.blocks);
-	
+
 	hprint(&c->hout, "</pre><h2>lookup %V</h2>\n", score);
 	hprint(&c->hout, "<pre>\n");
-	
+
 	for(type=0; type < VtMaxType; type++){
 		hprint(&c->hout, "%V type %d:", score, type);
 		u = lookuplump(score, type);
@@ -584,14 +584,14 @@ debugread(HConnect *c, u8int *score)
 		else
 			hprint(&c->hout, " -cache");
 		putlump(u);
-		
+
 		if(lookupscore(score, type, &ia) < 0){
 			hprint(&c->hout, " -lookup\n");
 			continue;
 		}
 		hprint(&c->hout, "\n  lookupscore: addr=%#llx size=%d blocks=%d\n",
 			ia.addr, ia.size, ia.blocks);
-		
+
 		arena = amapitoa(mainindex, ia.addr, &aa);
 		if(arena == nil){
 			hprint(&c->hout, "  amapitoa failed: %r\n");
@@ -606,7 +606,7 @@ debugread(HConnect *c, u8int *score)
 			hprint(&c->hout, "  loadclump failed: %r\n");
 			continue;
 		}
-		
+
 		hprint(&c->hout, "  loadclump: uncsize=%d type=%d score=%V\n",
 			cl.info.uncsize, cl.info.type, sc);
 		if(ia.size != cl.info.uncsize || ia.type != cl.info.type || scorecmp(score, sc) != 0){
@@ -614,12 +614,12 @@ debugread(HConnect *c, u8int *score)
 			continue;
 		}
 	}
-	
+
 	if(hargstr(c, "brute", "")[0] == 'y'){
 		hprint(&c->hout, "</pre>\n");
 		hprint(&c->hout, "<h2>brute force arena search %V</h2>\n", score);
 		hprint(&c->hout, "<pre>\n");
-		
+
 		for(i=0; i<mainindex->narenas; i++){
 			arena = mainindex->arenas[i];
 			hprint(&c->hout, "%s...\n", arena->name);
@@ -637,10 +637,10 @@ static void
 debugmem(HConnect *c)
 {
 	Index *ix;
-	
+
 	ix = mainindex;
 	hprint(&c->hout, "<h2>memory</h2>\n");
-	
+
 	hprint(&c->hout, "<pre>\n");
 	hprint(&c->hout, "ix=%p\n", ix);
 	hprint(&c->hout, "\tarenas=%p\n", ix->arenas);
@@ -660,7 +660,7 @@ hdebug(HConnect *c)
 {
 	char *scorestr, *op;
 	u8int score[VtScoreSize];
-	
+
 	if(hsethtml(c) < 0)
 		return -1;
 	hprint(&c->hout, "<h1>venti debug</h1>\n");
@@ -670,7 +670,7 @@ hdebug(HConnect *c)
 		hprint(&c->hout, "no op\n");
 		return 0;
 	}
-	
+
 	if(strcmp(op, "amap") == 0){
 		debugamap(c);
 		return 0;
@@ -690,7 +690,7 @@ hdebug(HConnect *c)
 		debugread(c, score);
 		return 0;
 	}
-	
+
 	hprint(&c->hout, "unknown op %s", op);
 	return 0;
 }
diff --git a/src/cmd/venti/srv/hproc.c b/src/cmd/venti/srv/hproc.c
index 42933920..3da217ce 100644
--- a/src/cmd/venti/srv/hproc.c
+++ b/src/cmd/venti/srv/hproc.c
@@ -7,11 +7,10 @@ int
 hproc(HConnect *c)
 {
 	int r;
-	
+
 	if((r = hsettext(c)) < 0)
 		return r;
 	hprint(&c->hout, "/proc only implemented on Plan 9\n");
 	hflush(&c->hout);
 	return 0;
 }
-
diff --git a/src/cmd/venti/srv/httpd.c b/src/cmd/venti/srv/httpd.c
index 83d80ca7..05896ff4 100644
--- a/src/cmd/venti/srv/httpd.c
+++ b/src/cmd/venti/srv/httpd.c
@@ -51,7 +51,7 @@ httpdinit(char *address, char *dir)
 	if(address == nil)
 		address = "tcp!*!http";
 	webroot = dir;
-	
+
 	httpdobj("/stats", estats);
 	httpdobj("/index", dindex);
 	httpdobj("/storage", sindex);
@@ -168,7 +168,7 @@ httpproc(void *v)
 		 */
 		if(hparsereq(c, 0) < 0)
 			break;
-		
+
 		for(i = 0; i < MaxObjs && objs[i].name[0]; i++){
 			n = strlen(objs[i].name);
 			if((objs[i].name[n-1] == '/' && strncmp(c->req.uri, objs[i].name, n) == 0)
@@ -196,7 +196,7 @@ char*
 hargstr(HConnect *c, char *name, char *def)
 {
 	HSPairs *p;
-	
+
 	for(p=c->req.searchpairs; p; p=p->next)
 		if(strcmp(p->s, name) == 0)
 			return p->t;
@@ -207,7 +207,7 @@ vlong
 hargint(HConnect *c, char *name, vlong def)
 {
 	char *a;
-	
+
 	if((a = hargstr(c, name, nil)) == nil)
 		return def;
 	return atoll(a);
@@ -282,7 +282,7 @@ herror(HConnect *c)
 {
 	int n;
 	Hio *hout;
-	
+
 	hout = &c->hout;
 	n = snprint(c->xferbuf, HBufSize, "<html><head><title>Error</title></head>\n<body><h1>Error</h1>\n<pre>%r</pre>\n</body></html>");
 	hprint(hout, "%s %s\r\n", hversion, "400 Bad Request");
@@ -301,7 +301,7 @@ herror(HConnect *c)
 
 	return hflush(hout);
 }
-	
+
 int
 hnotfound(HConnect *c)
 {
@@ -331,7 +331,7 @@ fromwebdir(HConnect *c)
 	char buf[4096], *p, *ext, *type;
 	int i, fd, n, defaulted;
 	Dir *d;
-	
+
 	if(webroot == nil || strstr(c->req.uri, ".."))
 		return hnotfound(c);
 	snprint(buf, sizeof buf-20, "%s/%s", webroot, c->req.uri+1);
@@ -430,7 +430,7 @@ xset(HConnect *c)
 		hflush(&c->hout);
 		return 0;
 	}
-	
+
 	old = *namedints[i].p;
 	*namedints[i].p = atoll(value);
 	hprint(&c->hout, "%s = %d (was %d)\n", name, *namedints[i].p, old);
@@ -496,7 +496,7 @@ estats(HConnect *c)
 		percent(stats.absorbedwrites, stats.dirtydblocks));
 
 	hprint(hout, "disk cache flushes=%,ld\n", stats.dcacheflushes);
-	hprint(hout, "disk cache flush writes=%,ld (%,ld per flush)\n", 
+	hprint(hout, "disk cache flush writes=%,ld (%,ld per flush)\n",
 		stats.dcacheflushwrites,
 		stats.dcacheflushwrites/(stats.dcacheflushes ? stats.dcacheflushes : 1));
 
@@ -821,7 +821,7 @@ diskbw(Stats *s)
 	ulong *n;
 
 	n = s->n;
-	return n[StatApartReadBytes]+n[StatApartWriteBytes]	
+	return n[StatApartReadBytes]+n[StatApartWriteBytes]
 		+ n[StatIsectReadBytes]+n[StatIsectWriteBytes]
 		+ n[StatSumReadBytes];
 }
@@ -882,7 +882,7 @@ static char* graphname[] =
 	"lcachesize",
 	"lcachestall",
 	"lcachelookuptime",
-	
+
 	"dcachehit",
 	"dcachemiss",
 	"dcachelookup",
@@ -931,7 +931,7 @@ static char* graphname[] =
 
 	"sumread",
 	"sumreadbyte",
-	
+
 	"cigload",
 	"cigloadtime",
 };
@@ -996,7 +996,7 @@ xgraph(HConnect *c)
 	g.ht = hargint(c, "ht", -1);
 	dotext = hargstr(c, "text", "")[0] != 0;
 	g.fill = hargint(c, "fill", -1);
-	
+
 	graph = hargstr(c, "graph", "raw");
 	if(strcmp(graph, "raw") == 0)
 		g.fn = rawgraph;
@@ -1135,14 +1135,14 @@ vtloghdump(Hio *h, VtLog *l)
 	int i;
 	VtLogChunk *c;
 	char *name;
-	
+
 	name = l ? l->name : "&lt;nil&gt;";
 
 	hprint(h, "<html><head>\n");
 	hprint(h, "<title>Venti Server Log: %s</title>\n", name);
 	hprint(h, "</head><body>\n");
 	hprint(h, "<b>Venti Server Log: %s</b>\n<p>\n", name);
-	
+
 	if(l){
 		c = l->w;
 		for(i=0; i<l->nchunk; i++){
@@ -1165,12 +1165,12 @@ vtloghlist(Hio *h)
 {
 	char **p;
 	int i, n;
-	
+
 	hprint(h, "<html><head>\n");
 	hprint(h, "<title>Venti Server Logs</title>\n");
 	hprint(h, "</head><body>\n");
 	hprint(h, "<b>Venti Server Logs</b>\n<p>\n");
-	
+
 	p = vtlognames(&n);
 	qsort(p, n, sizeof(p[0]), strpcmp);
 	for(i=0; i<n; i++)
diff --git a/src/cmd/venti/srv/icache.c b/src/cmd/venti/srv/icache.c
index 3055b981..3663345d 100644
--- a/src/cmd/venti/srv/icache.c
+++ b/src/cmd/venti/srv/icache.c
@@ -60,14 +60,14 @@ mkihash(int size1)
 	u32int size;
 	int bits;
 	IHash *ih;
-	
+
 	bits = 0;
 	size = 1;
 	while(size < size1){
 		bits++;
 		size <<= 1;
 	}
-	
+
 	ih = vtmallocz(sizeof(IHash)+size*sizeof(ih->table[0]));
 	ih->table = (IEntry**)(ih+1);
 	ih->bits = bits;
@@ -80,7 +80,7 @@ ihashlookup(IHash *ih, u8int score[VtScoreSize], int type)
 {
 	u32int h;
 	IEntry *ie;
-	
+
 	h = hashbits(score, ih->bits);
 	for(ie=ih->table[h]; ie; ie=ie->nexthash)
 		if((type == -1 || type == ie->ia.type) && scorecmp(score, ie->score) == 0)
@@ -93,7 +93,7 @@ ihashdelete(IHash *ih, IEntry *ie, char *what)
 {
 	u32int h;
 	IEntry **l;
-	
+
 	h = hashbits(ie->score, ih->bits);
 	for(l=&ih->table[h]; *l; l=&(*l)->nexthash)
 		if(*l == ie){
@@ -107,7 +107,7 @@ static void
 ihashinsert(IHash *ih, IEntry *ie)
 {
 	u32int h;
-	
+
 	h = hashbits(ie->score, ih->bits);
 	ie->nexthash = ih->table[h];
 	ih->table[h] = ie;
@@ -203,7 +203,7 @@ scacheevict(void)
 {
 	ISum *s;
 	int i;
-	
+
 	for(i=icache.nsum-1; i>=0; i--){
 		s = icache.sum[i];
 		if(canqlock(&s->lock)){
@@ -281,7 +281,7 @@ scachemiss(u64int addr)
 		qunlock(&s->lock);
 		return nil;
 	}
-	
+
 	return s;	/* locked */
 }
 
@@ -294,7 +294,7 @@ initicache(u32int mem0)
 {
 	u32int mem;
 	int i, entries, scache;
-	
+
 	icache.full.l = &icache.lock;
 
 	mem = mem0;
@@ -312,7 +312,7 @@ fprint(2, "icache %,d bytes = %,d entries; %d scache\n", mem0, entries, scache);
 	icache.clean.prev = icache.clean.next = &icache.clean;
 	icache.dirty.prev = icache.dirty.next = &icache.dirty;
 	icache.free.prev = icache.free.next = (IEntry*)&icache.free;
-	
+
 	icache.hash = mkihash(entries);
 	icache.nentries = entries;
 	setstat(StatIcacheSize, entries);
@@ -338,7 +338,7 @@ static IEntry*
 evictlru(void)
 {
 	IEntry *ie;
-	
+
 	ie = poplast(&icache.clean);
 	if(ie == nil)
 		return nil;
@@ -356,7 +356,7 @@ icacheinsert(u8int score[VtScoreSize], IAddr *ia, int state)
 		while((ie = poplast(&icache.free)) == nil && (ie = evictlru()) == nil){
 			// Could safely return here if state == IEClean.
 			// But if state == IEDirty, have to wait to make
-			// sure we don't lose an index write.  
+			// sure we don't lose an index write.
 			// Let's wait all the time.
 			flushdcache();
 			kickicache();
@@ -444,7 +444,7 @@ insertscore(u8int score[VtScoreSize], IAddr *ia, int state, AState *as)
 		scacheload(toload);
 		qunlock(&toload->lock);
 	}
-	
+
 	if(icache.ndirty >= icache.maxdirty)
 		kickicache();
 
@@ -483,7 +483,7 @@ lookupscore(u8int score[VtScoreSize], int type, IAddr *ia)
 	addstat2(StatIcacheRead, 1, StatIcacheReadTime, msec() - ms);
 	return ret;
 }
-	
+
 u32int
 hashbits(u8int *sc, int bits)
 {
@@ -550,7 +550,7 @@ void
 icacheclean(IEntry *ie)
 {
 	IEntry *next;
-	
+
 	trace(TraceProc, "icacheclean enter");
 	qlock(&icache.lock);
 	for(; ie; ie=next){
@@ -574,7 +574,7 @@ emptyicache(void)
 	int i;
 	IEntry *ie;
 	ISum *s;
-	
+
 	qlock(&icache.lock);
 	while((ie = evictlru()) != nil)
 		pushfirst(&icache.free, ie);
@@ -586,4 +586,3 @@ emptyicache(void)
 	}
 	qunlock(&icache.lock);
 }
-
diff --git a/src/cmd/venti/srv/icachewrite.c b/src/cmd/venti/srv/icachewrite.c
index e1406ef1..d2e5a815 100644
--- a/src/cmd/venti/srv/icachewrite.c
+++ b/src/cmd/venti/srv/icachewrite.c
@@ -81,7 +81,7 @@ nextchunk(Index *ix, ISect *is, IEntry **pie, u64int *paddr, uint *pnbuf)
 	*pnbuf = nbuf;
 	return iefirst;
 }
-	
+
 static int
 icachewritesect(Index *ix, ISect *is, u8int *buf)
 {
@@ -192,7 +192,7 @@ skipit:
 			err = -1;
 			continue;
 		}
-		
+
 		addstat(StatIsectWriteBytes, nbuf);
 		addstat(StatIsectWrite, 1);
 		icacheclean(chunk);
@@ -264,7 +264,7 @@ icachewritecoord(void *v)
 				send(ix->sects[i]->writechan, 0);
 			if(ix->bloom)
 				send(ix->bloom->writechan, 0);
-		
+
 			err = 0;
 			for(i=0; i<ix->nsects; i++)
 				err |= recvul(ix->sects[i]->writedonechan);
@@ -355,4 +355,3 @@ iesort(IEntry *ie)
 	*l = nil;
 	return sorted;
 }
-
diff --git a/src/cmd/venti/srv/index.c b/src/cmd/venti/srv/index.c
index 07bf81c8..c3baa905 100644
--- a/src/cmd/venti/srv/index.c
+++ b/src/cmd/venti/srv/index.c
@@ -1,21 +1,21 @@
 /*
- * Index, mapping scores to log positions. 
+ * Index, mapping scores to log positions.
  *
  * The index is made up of some number of index sections, each of
- * which is typically stored on a different disk.  The blocks in all the 
- * index sections are logically numbered, with each index section 
+ * which is typically stored on a different disk.  The blocks in all the
+ * index sections are logically numbered, with each index section
  * responsible for a range of blocks.  Blocks are typically 8kB.
  *
  * The N index blocks are treated as a giant hash table.  The top 32 bits
  * of score are used as the key for a lookup.  Each index block holds
  * one hash bucket, which is responsible for ceil(2^32 / N) of the key space.
- * 
- * The index is sized so that a particular bucket is extraordinarily 
- * unlikely to overflow: assuming compressed data blocks are 4kB 
+ *
+ * The index is sized so that a particular bucket is extraordinarily
+ * unlikely to overflow: assuming compressed data blocks are 4kB
  * on disk, and assuming each block has a 40 byte index entry,
  * the index data will be 1% of the total data.  Since scores are essentially
  * random, all buckets should be about the same fullness.
- * A factor of 5 gives us a wide comfort boundary to account for 
+ * A factor of 5 gives us a wide comfort boundary to account for
  * random variation.  So the index disk space should be 5% of the arena disk space.
  */
 
@@ -500,7 +500,7 @@ initisect1(ISect *is)
 	v = is->part->size & ~(u64int)(is->blocksize - 1);
 	if(is->blockbase + (u64int)is->blocks * is->blocksize != v){
 		seterr(ECorrupt, "invalid blocks in index section %s", is->name);
-		/* ZZZ what to do? 
+		/* ZZZ what to do?
 		freeisect(is);
 		return nil;
 		*/
@@ -654,7 +654,7 @@ amapitoag(Index *ix, u64int a, u64int *gstart, u64int *glimit, int *g)
 {
 	u64int aa;
 	Arena *arena;
-	
+
 	arena = amapitoa(ix, a, &aa);
 	if(arena == nil)
 		return nil;
@@ -895,5 +895,3 @@ loadibucket(Index *ix, u8int *score, ISect **pis, u32int *pbuck, IBucket *ib)
 {
 	return loadibucket1(ix, score, pis, pbuck, ib);
 }
-
-
diff --git a/src/cmd/venti/srv/lump.c b/src/cmd/venti/srv/lump.c
index cc0a26dc..3e66068a 100644
--- a/src/cmd/venti/srv/lump.c
+++ b/src/cmd/venti/srv/lump.c
@@ -178,7 +178,7 @@ writeqlump(Lump *u, Packet *p, int creator, uint ms)
 		insertlump(u, p);
 	else
 		packetfree(p);
-	
+
 	if(syncwrites){
 		flushdcache();
 		flushicache();
diff --git a/src/cmd/venti/srv/lumpcache.c b/src/cmd/venti/srv/lumpcache.c
index 93fed6d1..0fdc0102 100644
--- a/src/cmd/venti/srv/lumpcache.c
+++ b/src/cmd/venti/srv/lumpcache.c
@@ -73,7 +73,7 @@ lookuplump(u8int *score, int type)
 
 	ms = 0;
 	trace(TraceLump, "lookuplump enter");
-	
+
 	h = hashbits(score, HashLog);
 
 	/*
@@ -426,4 +426,3 @@ checklumpcache(void)
 	if(lumpcache.nheap + nfree + refed != lumpcache.nblocks)
 		sysfatal("lc: missing blocks: %d %d %d %d", lumpcache.nheap, refed, nfree, lumpcache.nblocks);
 }
-
diff --git a/src/cmd/venti/srv/lumpqueue.c b/src/cmd/venti/srv/lumpqueue.c
index 869eaeae..a312ad17 100644
--- a/src/cmd/venti/srv/lumpqueue.c
+++ b/src/cmd/venti/srv/lumpqueue.c
@@ -127,7 +127,7 @@ flushqueue(void)
 		qunlock(&q->lock);
 	}
 }
-	
+
 static void
 queueproc(void *vq)
 {
diff --git a/src/cmd/venti/srv/mgr.c b/src/cmd/venti/srv/mgr.c
index 9a615b2c..93e87a39 100644
--- a/src/cmd/venti/srv/mgr.c
+++ b/src/cmd/venti/srv/mgr.c
@@ -105,7 +105,7 @@ rdconf(char *file, Conf *conf)
 	char *s, *line, *flds[10];
 	int i, ok;
 	IFile f;
-	
+
 	if(readifile(&f, file) < 0)
 		return -1;
 	memset(conf, 0, sizeof *conf);
@@ -132,7 +132,7 @@ rdconf(char *file, Conf *conf)
 		}else if(i == 3 && strcmp(flds[1], "verify") == 0) {
 			if(conf->nverify%64 == 0)
 				conf->verify = vtrealloc(conf->verify, (conf->nverify+64)*sizeof(conf->verify[0]));
-			conf->verify[conf->nverify++] = vtstrdup(flds[2]);	
+			conf->verify[conf->nverify++] = vtstrdup(flds[2]);
 		}else if(i == 3 && strcmp(flds[1], "verifyfreq") == 0) {
 			conf->verifyfreq = atoi(flds[2]);
 		}else if(i == 3 && strcmp(flds[1], "httpaddr") == 0){
@@ -186,7 +186,7 @@ logtext(VtLog *l)
 	int i;
 	char *p;
 	VtLogChunk *c;
-	
+
 	p = logbuf;
 	c = l->w;
 	for(i=0; i<l->nchunk; i++) {
@@ -283,7 +283,7 @@ hsettext(HConnect *c)
 {
 	return hsettype(c, "text/plain; charset=utf-8");
 }
-	
+
 int
 hnotfound(HConnect *c)
 {
@@ -316,12 +316,12 @@ vtloghlist(Hio *h)
 {
 	char **p;
 	int i, n;
-	
+
 	hprint(h, "<html><head>\n");
 	hprint(h, "<title>Venti Server Logs</title>\n");
 	hprint(h, "</head><body>\n");
 	hprint(h, "<b>Venti Server Logs</b>\n<p>\n");
-	
+
 	p = vtlognames(&n);
 	qsort(p, n, sizeof(p[0]), strpcmp);
 	for(i=0; i<n; i++)
@@ -336,14 +336,14 @@ vtloghdump(Hio *h, VtLog *l)
 	int i;
 	VtLogChunk *c;
 	char *name;
-	
+
 	name = l ? l->name : "&lt;nil&gt;";
 
 	hprint(h, "<html><head>\n");
 	hprint(h, "<title>Venti Server Log: %s</title>\n", name);
 	hprint(h, "</head><body>\n");
 	hprint(h, "<b>Venti Server Log: %s</b>\n<p>\n", name);
-	
+
 	if(l){
 		c = l->w;
 		for(i=0; i<l->nchunk; i++){
@@ -360,7 +360,7 @@ char*
 hargstr(HConnect *c, char *name, char *def)
 {
 	HSPairs *p;
-	
+
 	for(p=c->req.searchpairs; p; p=p->next)
 		if(strcmp(p->s, name) == 0)
 			return p->t;
@@ -446,7 +446,7 @@ httpproc(void *v)
 		 */
 		if(hparsereq(c, 0) < 0)
 			break;
-		
+
 		for(i = 0; i < MaxObjs && objs[i].name[0]; i++){
 			n = strlen(objs[i].name);
 			if((objs[i].name[n-1] == '/' && strncmp(c->req.uri, objs[i].name, n) == 0)
@@ -508,7 +508,7 @@ fromwebdir(HConnect *c)
 	char buf[4096], *p, *ext, *type;
 	int i, fd, n, defaulted;
 	Dir *d;
-	
+
 	if(conf.webroot == nil || strstr(c->req.uri, ".."))
 		return hnotfound(c);
 	snprint(buf, sizeof buf-20, "%s/%s", conf.webroot, c->req.uri+1);
@@ -614,7 +614,7 @@ piper(void *v)
 	int fd;
 	char *p;
 	int ok;
-	
+
 	j = v;
 	fd = j->pipe;
 	l = j->newlog;
@@ -625,7 +625,7 @@ piper(void *v)
 	}
 	qlock(&loglk);
 	p = logtext(l);
-	ok = j->ok(p);	
+	ok = j->ok(p);
 	qunlock(&loglk);
 	j->newok = ok;
 	close(fd);
@@ -808,7 +808,7 @@ threadmain(int argc, char **argv)
 	int nofork;
 	char *prog;
 	Job *j;
-	
+
 	ventilogging = 1;
 	ventifmtinstall();
 #ifdef PLAN9PORT
@@ -893,8 +893,8 @@ void
 qp(Biobuf *b, char *p)
 {
 	int n, nspace;
-	
-	nspace = 0;	
+
+	nspace = 0;
 	n = 0;
 	for(; *p; p++) {
 		if(*p == '\n') {
@@ -934,7 +934,7 @@ smtpread(Biobuf *b, int code)
 {
 	char *p, *q;
 	int n;
-	
+
 	while((p = Brdstr(b, '\n', 1)) != nil) {
 		n = strtol(p, &q, 10);
 		if(n == 0 || q != p+3) {
@@ -957,13 +957,13 @@ smtpread(Biobuf *b, int code)
 	return -1;
 }
 
-		
+
 void
 sendmail(char *content, char *subject, char *msg)
 {
 	int fd;
 	Biobuf *bin, *bout;
-	
+
 	if((fd = dial(conf.smtp, 0, 0, 0)) < 0) {
 		vtlogprint(errlog, "dial %s: %r\n", conf.smtp);
 		return;
@@ -979,7 +979,7 @@ sendmail(char *content, char *subject, char *msg)
 		Bterm(bout);
 		return;
 	}
-	
+
 	Bprint(bout, "HELO venti-mgr\n");
 	Bflush(bout);
 	if(smtpread(bin, 250) < 0)
@@ -994,12 +994,12 @@ sendmail(char *content, char *subject, char *msg)
 	Bflush(bout);
 	if(smtpread(bin, 250) < 0)
 		goto error;
-	
+
 	Bprint(bout, "DATA\n");
 	Bflush(bout);
 	if(smtpread(bin, 354) < 0)
 		goto error;
-	
+
 	Bprint(bout, "From: \"venti mgr\" <%s>\n", conf.mailfrom);
 	Bprint(bout, "To: <%s>\n", conf.mailto);
 	Bprint(bout, "Subject: %s\n", subject);
@@ -1013,7 +1013,7 @@ sendmail(char *content, char *subject, char *msg)
 	Bflush(bout);
 	if(smtpread(bin, 250) < 0)
 		goto error;
-	
+
 	Bprint(bout, "QUIT\n");
 	Bflush(bout);
 	Bterm(bin);
diff --git a/src/cmd/venti/srv/mirrorarenas.c b/src/cmd/venti/srv/mirrorarenas.c
index c0d02e65..adca4a78 100644
--- a/src/cmd/venti/srv/mirrorarenas.c
+++ b/src/cmd/venti/srv/mirrorarenas.c
@@ -1,5 +1,5 @@
 /*
- * Mirror one arena partition onto another.  
+ * Mirror one arena partition onto another.
  * Be careful to copy only new data.
  */
 
@@ -41,7 +41,7 @@ void
 tag(int indx, char *name, char *fmt, ...)
 {
 	va_list arg;
-	
+
 	if(tagged){
 		free(tagged);
 		tagged = nil;
@@ -53,7 +53,7 @@ tag(int indx, char *name, char *fmt, ...)
 	va_end(arg);
 }
 
-enum 
+enum
 {
 	Sealed = 1,
 	Mirrored = 2,
@@ -99,7 +99,7 @@ setstatus(int bits)
 	if(bits < 0) {
 		startindx = -1;
 		return;
-	}	
+	}
 }
 
 void
@@ -132,7 +132,7 @@ ereadpart(Part *p, u64int offset, u8int *buf, u32int count)
 	}
 	return 0;
 }
-		
+
 int
 ewritepart(Part *p, u64int offset, u8int *buf, u32int count)
 {
@@ -153,7 +153,7 @@ static void
 writeproc(void *v)
 {
 	Write *w;
-	
+
 	USED(v);
 	while((w = recvp(writechan)) != nil){
 		if(w == &wsync)
@@ -175,7 +175,7 @@ copy(uvlong start, uvlong end, char *what, DigestState *ds)
 	static uchar *tmp[2];
 	uchar *p;
 	Write w[2];
-	
+
 	assert(start <= end);
 	assert(astart <= start && start < aend);
 	assert(astart <= end && end <= aend);
@@ -240,7 +240,7 @@ copy1(uvlong start, uvlong end, char *what, DigestState *ds)
 	int n;
 	uvlong o;
 	static uchar tmp[1024*1024];
-	
+
 	assert(start <= end);
 	assert(astart <= start && start < aend);
 	assert(astart <= end && end <= aend);
@@ -310,16 +310,16 @@ mirror(int indx, Arena *sa, Arena *da)
 	ArenaHead h;
 	DigestState xds, *ds;
 	vlong shaoff, base;
-	
+
 	base = sa->base;
 	blocksize = sa->blocksize;
 	end = sa->base + sa->size;
-	
+
 	astart = base - blocksize;
 	aend = end + blocksize;
 
 	tag(indx, sa->name, "%T %s (%,llud-%,llud)\n", sa->name, astart, aend);
-	
+
 	if(force){
 		copy(astart, aend, "all", nil);
 		return;
@@ -357,7 +357,7 @@ mirror(int indx, Arena *sa, Arena *da)
 		if(ewritepart(dst, end, buf, blocksize) < 0)
 			return;
 	}
-	
+
 	memset(&h, 0, sizeof h);
 	h.version = da->version;
 	strcpy(h.name, da->name);
@@ -379,7 +379,7 @@ mirror(int indx, Arena *sa, Arena *da)
 		sha1(buf, blocksize, nil, ds);
 		shaoff = base;
 	}
-	
+
 	if(sa->diskstats.used != da->diskstats.used){
 		di = base+rdown(da->diskstats.used, blocksize);
 		si = base+rup(sa->diskstats.used, blocksize);
@@ -389,14 +389,14 @@ mirror(int indx, Arena *sa, Arena *da)
 			return;
 		shaoff = si;
 	}
-	
+
 	clumpmax = sa->clumpmax;
 	di = end - da->diskstats.clumps/clumpmax * blocksize;
 	si = end - (sa->diskstats.clumps+clumpmax-1)/clumpmax * blocksize;
 
 	if(sa->diskstats.sealed){
 		/*
-		 * might be a small hole between the end of the 
+		 * might be a small hole between the end of the
 		 * data and the beginning of the directory.
 		 */
 		v = base+rup(sa->diskstats.used, blocksize);
@@ -419,7 +419,7 @@ mirror(int indx, Arena *sa, Arena *da)
 	da->wtime = sa->wtime;
 	da->diskstats = sa->diskstats;
 	da->diskstats.sealed = 0;
-	
+
 	/*
 	 * Repack the arena tail information
 	 * and save it for next time...
@@ -525,7 +525,7 @@ mirrormany(ArenaPart *sp, ArenaPart *dp, char *range)
 			mirror(i, sa, da);
 		}
 		setstatus(-1);
-	}	
+	}
 }
 
 
@@ -536,7 +536,7 @@ threadmain(int argc, char **argv)
 	Arena *sa, *da;
 	ArenaPart *s, *d;
 	char *ranges;
-	
+
 	ventifmtinstall();
 
 	ARGBEGIN{
@@ -552,7 +552,7 @@ threadmain(int argc, char **argv)
 	default:
 		usage();
 	}ARGEND
-	
+
 	if(argc != 2 && argc != 3)
 		usage();
 	ranges = nil;
@@ -571,7 +571,7 @@ threadmain(int argc, char **argv)
 		sysfatal("loadarenapart %s: %r", argv[1]);
 	for(i=0; i<d->narenas; i++)
 		delarena(d->arenas[i]);
-	
+
 	/*
 	 * The arena geometries must match or all bets are off.
 	 */
@@ -589,7 +589,7 @@ threadmain(int argc, char **argv)
 		if(strcmp(sa->name, da->name) != 0)
 			sysfatal("arena %d: name mismatch: %s vs %s", i, sa->name, da->name);
 	}
-	
+
 	/*
 	 * Mirror one arena at a time.
 	 */
diff --git a/src/cmd/venti/srv/part.c b/src/cmd/venti/srv/part.c
index ae044814..c1fb929f 100644
--- a/src/cmd/venti/srv/part.c
+++ b/src/cmd/venti/srv/part.c
@@ -56,7 +56,7 @@ strtoullsuf(char *p, char **pp, int rad, u64int *u)
 	*u = v;
 	return 0;
 }
-	
+
 static int
 parsepart(char *name, char **file, char **subpart, u64int *lo, u64int *hi)
 {
@@ -221,11 +221,11 @@ partblocksize(Part *part, u32int blocksize)
  * Most Unix systems require that when accessing a block device directly,
  * the buffer, offset, and count are all multiples of the device block size,
  * making this a lot more complicated than it otherwise would be.
- * 
+ *
  * Most of our callers will make things easy on us, but for some callers it's best
  * if we just do the work here, with only one place to get it right (hopefully).
- * 
- * If everything is aligned properly, prwb will try to do big transfers in the main 
+ *
+ * If everything is aligned properly, prwb will try to do big transfers in the main
  * body of the loop: up to MaxIo bytes at a time.  If everything isn't aligned properly,
  * we work one block at a time.
  */
@@ -412,7 +412,7 @@ rwpart(Part *part, int isread, u64int offset, u8int *buf, u32int count)
 	int n, try;
 	u32int blocksize;
 
-	trace(TraceDisk, "%s %s %ud at 0x%llx", 
+	trace(TraceDisk, "%s %s %ud at 0x%llx",
 		isread ? "read" : "write", part->name, count, offset);
 	if(offset >= part->size || offset+count > part->size){
 		seterr(EStrange, "out of bounds %s offset 0x%llux count %ud to partition %s size 0x%llux",
@@ -491,7 +491,7 @@ readfile(char *name)
 
 /*
  * Search for the Plan 9 partition with the given name.
- * This lets you write things like /dev/ad4:arenas 
+ * This lets you write things like /dev/ad4:arenas
  * if you move a disk from a Plan 9 system to a FreeBSD system.
  *
  * God I hope I never write this code again.
@@ -566,7 +566,7 @@ findsubpart(Part *part, char *name)
 	/* See if this is a Plan 9 partition. */
 	if(tryplan9part(part, name) >= 0)
 		return 0;
-	
+
 	/* Otherwise try for an MBR and then narrow to Plan 9 partition. */
 	if(readpart(part, 0, buf, 512) != 512)
 		return -1;
@@ -587,8 +587,3 @@ findsubpart(Part *part, char *name)
 	}
 	return -1;
 }
-
-
-
-
-
diff --git a/src/cmd/venti/srv/png.c b/src/cmd/venti/srv/png.c
index 8805ada4..85901a92 100644
--- a/src/cmd/venti/srv/png.c
+++ b/src/cmd/venti/srv/png.c
@@ -99,7 +99,7 @@ zread(void *va, void *buf, int n)
 					b[2] = (b[2]*255)/a;
 				}
 			}
-		}else	
+		}else
 			b += pixwid*pixels;
 
 		z->x += pixels;
@@ -148,7 +148,7 @@ memRGBA(Memimage *i)
 	Memimage *ni;
 	char buf[32];
 	ulong dst;
-	
+
 	/*
 	 * [A]BGR because we want R,G,B,[A] in big-endian order.  Sigh.
 	 */
@@ -157,7 +157,7 @@ memRGBA(Memimage *i)
 		dst = ABGR32;
 	else
 		dst = BGR24;
-		
+
 	if(i->chan == dst)
 		return i;
 
@@ -194,7 +194,7 @@ writepng(Hio *io, Memimage *m)
 		return -1;
 
 	hwrite(io, PNGmagic, sizeof PNGmagic);
-	
+
 	/* IHDR chunk */
 	h = buf;
 	put4(h, Dx(m->r)); h += 4;
diff --git a/src/cmd/venti/srv/rdarena.c b/src/cmd/venti/srv/rdarena.c
index 9d7cd20e..42be5663 100644
--- a/src/cmd/venti/srv/rdarena.c
+++ b/src/cmd/venti/srv/rdarena.c
@@ -33,7 +33,7 @@ rdarena(Arena *arena)
 		if(a + bs > e)
 			bs = arena->blocksize;
 		if(readpart(arena->part, a, b->data, bs) < 0)
-			fprint(2, "can't copy %s, read at %lld failed: %r\n", arena->name, a);	
+			fprint(2, "can't copy %s, read at %lld failed: %r\n", arena->name, a);
 		if(write(1, b->data, bs) != bs)
 			sysfatal("can't copy %s, write at %lld failed: %r", arena->name, a);
 	}
diff --git a/src/cmd/venti/srv/readifile.c b/src/cmd/venti/srv/readifile.c
index a822a987..ddfef141 100644
--- a/src/cmd/venti/srv/readifile.c
+++ b/src/cmd/venti/srv/readifile.c
@@ -18,10 +18,10 @@ threadmain(int argc, char *argv[])
 	default:
 		usage();
 	}ARGEND
-	
+
 	if(argc != 1)
 		usage();
-	
+
 	if(readifile(&ifile, argv[0]) < 0)
 		sysfatal("readifile %s: %r", argv[0]);
 	write(1, ifile.b->data, ifile.b->len);
diff --git a/src/cmd/venti/srv/reseal.c b/src/cmd/venti/srv/reseal.c
index f7353122..41a53ce1 100644
--- a/src/cmd/venti/srv/reseal.c
+++ b/src/cmd/venti/srv/reseal.c
@@ -97,7 +97,7 @@ verify(Arena *arena, void *data, uchar *newscore)
 			bs = e - n;
 		sha1(data, bs, nil, &ds);
 	}
-	
+
 	/* last block */
 	if(preadblock(data, arena->blocksize, o + e) < 0){
 		werrstr("read: %r");
@@ -113,7 +113,7 @@ verify(Arena *arena, void *data, uchar *newscore)
 		}
 		fprint(2, "warning: score mismatch %V != %V\n", score, arena->score);
 	}
-	
+
 	/* prepare new last block */
 	memset(data, 0, arena->blocksize);
 	packarena(arena, data);
@@ -158,17 +158,17 @@ resealarena(char *name, vlong len)
 
 	if(loadheader(name, &head, &arena, off) < 0)
 		return;
-	
+
 	if(!arena.diskstats.sealed){
 		fprint(2, "%s: not sealed\n", name);
 		return;
 	}
-	
+
 	if(verify(&arena, data, newscore) < 0){
 		fprint(2, "%s: failed to verify before reseal: %r\n", name);
 		return;
 	}
-	
+
 	if(pwriteblock(data, arena.blocksize, arena.base + arena.size) < 0){
 		fprint(2, "%s: writing new tail: %r\n", name);
 		return;
@@ -188,7 +188,7 @@ static int
 shouldcheck(char *name, char **s, int n)
 {
 	int i;
-	
+
 	if(n == 0)
 		return 1;
 
@@ -205,7 +205,7 @@ char *
 readap(ArenaPart *ap)
 {
 	char *table;
-	
+
 	if(preadblock(data, 8192, PartBlank) < 0)
 		sysfatal("read arena part header: %r");
 	if(unpackarenapart(ap, data) < 0)
@@ -229,7 +229,7 @@ threadmain(int argc, char *argv[])
 	vlong start, stop;
 	ArenaPart ap;
 	Part *part;
-	
+
 	ventifmtinstall();
 	blocksize = MaxIoSize;
 	ARGBEGIN{
diff --git a/src/cmd/venti/srv/round.c b/src/cmd/venti/srv/round.c
index bbf4a478..5e01b0ba 100644
--- a/src/cmd/venti/srv/round.c
+++ b/src/cmd/venti/srv/round.c
@@ -99,4 +99,3 @@ delaykickroundproc(void *v)
 		trace(TraceProc, "finishround 0x%ux", (uint)n);
 	}
 }
-
diff --git a/src/cmd/venti/srv/sortientry.c b/src/cmd/venti/srv/sortientry.c
index b8b8e876..e65b9988 100644
--- a/src/cmd/venti/srv/sortientry.c
+++ b/src/cmd/venti/srv/sortientry.c
@@ -262,7 +262,7 @@ sortiebucks(IEBucks *ib)
 		if(n == TWID32)
 			return TWID64;
 		if(n != ib->bucks[i].total/IEntrySize)
-			fprint(2, "bucket %d changed count %d => %d\n", 
+			fprint(2, "bucket %d changed count %d => %d\n",
 				i, (int)(ib->bucks[i].total/IEntrySize), n);
 		tot += n;
 	}
diff --git a/src/cmd/venti/srv/stats.c b/src/cmd/venti/srv/stats.c
index bb944760..e2f077be 100644
--- a/src/cmd/venti/srv/stats.c
+++ b/src/cmd/venti/srv/stats.c
@@ -17,7 +17,7 @@ Statdesc statdesc[NStat] =
 	{ "rpc read cached time", },
 	{ "rpc read uncached", },
 	{ "rpc read uncached time "},
-	
+
 	{ "rpc writes", },
 	{ "rpc writes new", },
 	{ "rpc writes old", },
@@ -83,7 +83,7 @@ Statdesc statdesc[NStat] =
 
 	{ "sum reads", },
 	{ "sum read bytes", },
-	
+
 	{ "cig loads" },
 	{ "cig load time" },
 };
@@ -158,9 +158,9 @@ binstats(long (*fn)(Stats *s0, Stats *s1, void *arg), void *arg,
 	int i, j, lo, hi, m;
 	vlong tot;
 	Statbin *b;
-	
+
 	t = stats.now;
-	
+
 	/* negative times mean relative to now. */
 	if(t0 <= 0)
 		t0 += t;
@@ -170,7 +170,7 @@ binstats(long (*fn)(Stats *s0, Stats *s1, void *arg), void *arg,
 	if(t1 <= t0)
 		t0 = t1 - 60*10;
 	if(0) fprint(2, "stats %ld-%ld\n", t0, t1);
-	
+
 	/* binary search to find t0-1 or close */
 	lo = stattime;
 	hi = stattime+nstathist;
@@ -208,5 +208,5 @@ binstats(long (*fn)(Stats *s0, Stats *s1, void *arg), void *arg,
 			b->avg = tot / b->nsamp;
 		if(b->nsamp==0 && i>0)
 			*b = bin[i-1];
-	}	
+	}
 }
diff --git a/src/cmd/venti/srv/syncindex0.c b/src/cmd/venti/srv/syncindex0.c
index be3a2ea0..9928ca03 100644
--- a/src/cmd/venti/srv/syncindex0.c
+++ b/src/cmd/venti/srv/syncindex0.c
@@ -11,10 +11,10 @@ syncarenaindex(Arena *arena, u64int a0)
 	ClumpInfo ci;
 	IAddr ia;
 	AState as;
-	
+
 	if(arena->diskstats.clumps == arena->memstats.clumps)
 		return 0;
-	
+
 	memset(&as, 0, sizeof as);
 	as.arena = arena;
 	as.stats = arena->diskstats;
@@ -68,10 +68,10 @@ syncindex(Index *ix)
 			continue;
 		}
 		flushdcache();
-		
+
 		if(arena->memstats.clumps == arena->diskstats.clumps)
 			continue;
-		
+
 		fprint(2, "%T %s: indexing %d clumps...\n",
 			arena->name,
 			arena->memstats.clumps - arena->diskstats.clumps);
diff --git a/src/cmd/venti/srv/venti.c b/src/cmd/venti/srv/venti.c
index 2a3cc669..1725537a 100644
--- a/src/cmd/venti/srv/venti.c
+++ b/src/cmd/venti/srv/venti.c
@@ -159,7 +159,7 @@ threadmain(int argc, char *argv[])
 	/*
 	 * block cache: need a block for every arena and every process
 	 */
-	minbcmem = maxblocksize * 
+	minbcmem = maxblocksize *
 		(mainindex->narenas + mainindex->nsects*4 + 16);
 	if(bcmem < minbcmem)
 		bcmem = minbcmem;
diff --git a/src/cmd/venti/srv/verifyarena.c b/src/cmd/venti/srv/verifyarena.c
index f53d17f2..47340dcf 100644
--- a/src/cmd/venti/srv/verifyarena.c
+++ b/src/cmd/venti/srv/verifyarena.c
@@ -127,12 +127,12 @@ verifyarena(char *name, vlong len)
 	scorecp(arena.score, &data[arena.blocksize - VtScoreSize]);
 
 	if(namecmp(arena.name, head.name) != 0){
-		fprint(2, "%T %s: wrong name in trailer: %s vs. %s\n", 
+		fprint(2, "%T %s: wrong name in trailer: %s vs. %s\n",
 			name, head.name, arena.name);
 		return;
 	}
 	if(arena.version != head.version){
-		fprint(2, "%T %s: wrong version in trailer: %d vs. %d\n", 
+		fprint(2, "%T %s: wrong version in trailer: %d vs. %d\n",
 			name, head.version, arena.version);
 		return;
 	}
@@ -160,7 +160,7 @@ static int
 shouldcheck(char *name, char **s, int n)
 {
 	int i;
-	
+
 	if(n == 0)
 		return 1;
 
@@ -209,7 +209,7 @@ threadmain(int argc, char *argv[])
 		verifyarena("<stdin>", 0);
 		threadexitsall(nil);
 	}
-	
+
 	if((part = initpart(argv[0], OREAD)) == nil)
 		sysfatal("open partition %s: %r", argv[0]);
 	fd = part->fd;
@@ -228,7 +228,7 @@ threadmain(int argc, char *argv[])
 	if(preadblock((uchar*)table, ap.tabsize, ap.tabbase) < 0)
 		sysfatal("reading arena part directory: %r");
 	table[ap.tabsize] = 0;
-	
+
 	nline = atoi(table);
 	p = strchr(table, '\n');
 	if(p)
diff --git a/src/cmd/venti/srv/wrarena.c b/src/cmd/venti/srv/wrarena.c
index 1e274ca7..df8f7fd8 100644
--- a/src/cmd/venti/srv/wrarena.c
+++ b/src/cmd/venti/srv/wrarena.c
@@ -45,7 +45,7 @@ vtsendthread(void *v)
 	}
 	/*
 	 * All the send threads try to exit right when
-	 * threadmain is calling threadexitsall.  
+	 * threadmain is calling threadexitsall.
 	 * Either libthread or the Linux NPTL pthreads library
 	 * can't handle this condition (I suspect NPTL but have
 	 * not confirmed this) and we get a seg fault in exit.
diff --git a/src/cmd/venti/srv/xml.c b/src/cmd/venti/srv/xml.c
index e91afa05..9538d778 100644
--- a/src/cmd/venti/srv/xml.c
+++ b/src/cmd/venti/srv/xml.c
@@ -65,4 +65,3 @@ void xmlamap(Hio *hout, AMap *s, char *tag, int indent){
 	xmlu64int(hout, s->stop, "stop");
 	hprint(hout, "/>\n");
 }
-
diff --git a/src/cmd/venti/srv/zblock.c b/src/cmd/venti/srv/zblock.c
index afff0801..80b24064 100644
--- a/src/cmd/venti/srv/zblock.c
+++ b/src/cmd/venti/srv/zblock.c
@@ -93,4 +93,3 @@ zblock2packet(ZBlock *zb, u32int size)
 	packetappend(p, zb->data, size);
 	return p;
 }
-
diff --git a/src/cmd/venti/sync.c b/src/cmd/venti/sync.c
index 9d817a72..965f19ed 100644
--- a/src/cmd/venti/sync.c
+++ b/src/cmd/venti/sync.c
@@ -20,7 +20,7 @@ threadmain(int argc, char *argv[])
 
 	fmtinstall('V', vtscorefmt);
 	fmtinstall('F', vtfcallfmt);
-	
+
 	ARGBEGIN{
 	case 'h':
 		host = EARGF(usage());
diff --git a/src/cmd/venti/writefile.c b/src/cmd/venti/writefile.c
index 21117126..3aff69dd 100644
--- a/src/cmd/venti/writefile.c
+++ b/src/cmd/venti/writefile.c
@@ -85,13 +85,13 @@ threadmain(int argc, char *argv[])
 	if(vtfilegetentry(f, &e) < 0)
 		sysfatal("vtfilegetentry: %r");
 	vtfileunlock(f);
-	
+
 	// write directory entry
 	memset(&root, 0, sizeof root);
 	vtentrypack(&e, buf, 0);
 	if(vtwrite(z, root.score, VtDirType, buf, VtEntrySize) < 0)
 		sysfatal("vtwrite dir: %r");
-	
+
 	// write root
 	strcpy(root.name, "data");
 	strcpy(root.type, "file");
@@ -99,8 +99,7 @@ threadmain(int argc, char *argv[])
 	vtrootpack(&root, buf);
 	if(vtwrite(z, score, VtRootType, buf, VtRootSize) < 0)
 		sysfatal("vtwrite root: %r");
-	
+
 	print("file:%V\n", score);
 	threadexitsall(0);
 }
-