shithub: gefs

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fs: ntrace, not tracesz -- makes for better reading.

--- a/cons.c

+++ b/cons.c

@@ -311,8 +311,8 @@

 		fprint(fd, "error opening output");

 		return;

 	}

-	for(i = 0; i < fs->tracesz; i++){

-		t = &fs->trace[(fs->traceidx + i) % fs->tracesz];

+	for(i = 0; i < fs->ntrace; i++){

+		t = &fs->trace[(fs->traceidx + i) % fs->ntrace];

 		if(t->msg[0] == 0)

 			continue;

 		Bprint(bfd, "[%d@%d] %s", t->tid, t->qgen, t->msg);

@@ -350,8 +350,9 @@

 		"permit [on|off] -- switch to/from permissive mode\n"

 		"reserve [on|off] -- enable block reserves\n"

 		"snap -[Smdl] [old [new]] -- manage snapshots\n"

-		"sync --flush all pending writes to disk\n"

+		"sync -- flush all pending writes to disk\n"

 		"users -- reload user table from adm snapshot\n"

+		"save trace [name] -- save a trace of recent activity\n"

 		"show -- debug dumps\n"

 		"	tree [name]\n"

 		"	fid\n"

--- a/dat.h

+++ b/dat.h

@@ -576,7 +576,7 @@

 	Trace	*trace;

 	long	traceidx;

-	long	tracesz;

+	long	ntrace;

 };

 struct Arena {

--- a/main.c

+++ b/main.c

@@ -36,7 +36,7 @@

 	ulong idx;

 	idx = aincl(&fs->traceidx, 1);

-	t = &fs->trace[(idx-1) & ~(fs->tracesz-1)];

+	t = &fs->trace[(idx-1) % fs->ntrace];

 	strecpy(t->msg, t->msg+sizeof(t->msg), msg);

 	t->tid = (*errctx)->tid;

 	t->qgen = agetv(&fs->qgen);

@@ -162,7 +162,7 @@

 	if(tracesz != 0){

 		fs->trace = emalloc(tracesz, 1);

-		fs->tracesz = tracesz/sizeof(Trace);

+		fs->ntrace = tracesz/sizeof(Trace);

 	}

 	fs->lrurz.l = &fs->lrulk;

 	fs->syncrz.l = &fs->synclk;

--- a/snap.c

+++ b/snap.c

@@ -190,6 +190,7 @@

 	}

 	d = getdl(merge, bgen);

 	m = getdl(gen, bgen);

+	assert(d != m);

 	/*

 	 * If the dest dlist didn't exist,

 	 * just move the merge dlist over

@@ -212,6 +213,7 @@

 		}

 		b = getblk(d->tl, 0);

 		b->logp = m->hd;

+		assert(d->hd.addr != m->hd.addr);

 		finalize(b);

 		syncblk(b);

 		dropblk(b);