--- fuse-comp.pl	2007/07/08 21:03:26	10
+++ fuse-comp.pl	2007/07/09 11:12:48	13
@@ -103,13 +103,13 @@
 
 sub file_copy {
 	my ( $s_opt, $s_path, $d_opt, $d_path ) = @_;
-	warn "## file_copy( $s_opt $s_path $d_opt $d_path )\n";
+	warn "## file_copy( $s_opt $s_path [",-s $s_path,"] $d_opt $d_path [",-e $d_path ? -s $d_path : 'new',"])\n";
 	open(my $s, $s_opt, $s_path ) || confess "can't open $s_path: $!\npending = ", dump( $pending );
 	open(my $d, $d_opt, $d_path ) || confess "can't open $d_path: $!";
 	my $buff;
 	while( read( $s, $buff, 65535 ) ) {
 		print $d $buff || confess "can't write into $d_path: $!";
-		warn ">> ", length($buff), " bytes, offset ", tell($s), " -> ", tell($d), "\n" if $debug;
+		warn ">> [", length($buff), "] offset ", tell($s), " -> ", tell($d), "\n" if $debug;
 	}
 	close($d) || warn "can't close $d_path: $!";
 	close($s) || warn "can't close $s_path: $!";
@@ -127,6 +127,18 @@
 sub x_open {
 	my ($file) = shift;
 	my ($mode) = shift;
+
+	if ( $file eq '/.debug' ) {
+		my $path = $mount->{from} . '/.debug';
+		open( my $debug, '>', $path ) || die "can't open $path: $!";
+		my $dump = dump( $pending );
+		print $debug "pending = $dump\n";
+		close($debug);
+		$pending->{'/.debug'}->{path} = $path;
+		warn "## created dump $path $dump\n";
+		return 0;
+	}
+
 	$pending->{$file}->{open}++;
 
 	my $mode_desc = {
@@ -149,8 +161,9 @@
 		file_copy( '<:gzip', $path, '>', $tmp );
 		$path = $tmp;
 	}
-	warn ">>> open abs path: $path ", -s $path, " bytes\n";
+	warn ">>> open abs path: $path [", -s $path, "]\n";
 	return -$! unless sysopen($fh , $path, $mode);
+	close($fh);
 
 	$pending->{$file}->{path} = $path;
 	return 0;
@@ -161,6 +174,8 @@
 	my ($rv) = -ENOSYS();
 	my $path = fixup( $file );
 
+	confess "no pending file $file ", dump( $pending ) unless defined( $pending->{$file} );
+
 	return -ENOENT() unless -e $path;
 
 	my $fh = new IO::File;
@@ -179,6 +194,8 @@
 	my $rv;
 	my $path = fixup($file);
 
+	confess "no pending file $file ", dump( $pending ) unless defined( $pending->{$file} );
+
 	return -ENOENT() unless -e $path;
 
 	my $fh = new IO::File;
@@ -188,6 +205,7 @@
 		warn "## ", $pending->{$file}->{path}, " $off ",length( $buf ), "\n" if $debug;
 	}
 	$rv = -ENOSYS() unless $rv;
+	close($fh);
 	return length($buf);
 }
 
@@ -263,7 +281,7 @@
 			warn "release $file $mode -- uncompressed\n";
 			file_copy( '<', $path, '>', $dest ) if ( $path ne $dest );
 		} elsif ( -s $path < $min_compress_size ) {
-			warn "release $file -- uncompressed, too small ", -s $path, " bytes\n";
+			warn "release $file -- uncompressed, too small [", -s $path, "]\n";
 			file_copy( '<', $path, '>', $dest ) if ( $path ne $dest );
 		} else {
 			warn "release $file $mode -- compressing\n";
@@ -276,10 +294,12 @@
 		}
 	} else {
 		warn "release $file, but still used ", $pending->{$file}->{open} , " times, delaying compression\n";
-		$pending->{$file}->{open}--;
-		return 0;
 	}
-	delete( $pending->{$file} );
+	$pending->{$file}->{open}--;
+	if ( $pending->{$file}->{open} == 0 ) {
+		warn "## cleanup pending $file [", -s fixup($file), "]\n" if $debug;
+		delete( $pending->{$file} );
+	}
 	return 0;
 }