diff options
Diffstat (limited to 'perl-install/swap.pm')
| -rw-r--r-- | perl-install/swap.pm | 19 |
1 files changed, 9 insertions, 10 deletions
diff --git a/perl-install/swap.pm b/perl-install/swap.pm index fd7d12c5b..659c9da07 100644 --- a/perl-install/swap.pm +++ b/perl-install/swap.pm @@ -33,16 +33,16 @@ sub kernel_greater_or_equal($$$) { } sub check_blocks { - my ($fd, $version, $nbpages, $signature_page) = @_; + my ($F, $version, $nbpages, $signature_page) = @_; my ($last_read_ok, $badpages) = (0, 0); my ($buffer); my $badpages_field_v1 = \substr($$signature_page, psizeof($signature_format_v1)); for (my $i = 0; $i < $nbpages; $i++) { - $last_read_ok || sysseek($fd, $i * $pagesize, 0) or die "seek failed"; + $last_read_ok || sysseek($F, $i * $pagesize, 0) or die "seek failed"; - unless ($last_read_ok = sysread($fd, $buffer, $pagesize)) { + unless ($last_read_ok = sysread($F, $buffer, $pagesize)) { if ($version == 1) { $badpages == $MAX_BADPAGES and die "too many bad pages"; vec($$badpages_field_v1, $badpages, $bitof_int) = $i; @@ -80,8 +80,7 @@ sub make($;$) { my $rdev = (stat $devicename)[6]; $rdev == 0x300 || $rdev == 0x340 and die "$devicename is not a good device for swap"; - local *F; - sysopen F, $devicename, 2 or die "opening $devicename for writing failed: $!"; + sysopen(my $F, $devicename, 2) or die "opening $devicename for writing failed: $!"; if ($version == 0) { $maxpages = $V0_MAX_PAGES } elsif (kernel_greater_or_equal(2,2,1)) { $maxpages = $V1_MAX_PAGES } @@ -93,7 +92,7 @@ sub make($;$) { } if ($checkBlocks) { - $badpages = check_blocks(*F, $version, $nbpages, \$signature_page); + $badpages = check_blocks($F, $version, $nbpages, \$signature_page); } elsif ($version == 0) { for (my $i = 0; $i < $nbpages; $i++) { vec($signature_page, $i, 1) = 1 } } @@ -111,13 +110,13 @@ sub make($;$) { MDK::Common::DataStructure::strcpy($signature_page, $version == 0 ? "SWAP-SPACE" : "SWAPSPACE2", $pagesize - 10); my $offset = $version == 0 ? 0 : 1024; - sysseek(F, $offset, 0) or die "unable to rewind swap-device: $!"; + sysseek($F, $offset, 0) or die "unable to rewind swap-device: $!"; - syswrite(F, substr($signature_page, $offset)) or die "unable to write signature page: $!"; + syswrite($F, substr($signature_page, $offset)) or die "unable to write signature page: $!"; #- A subsequent swapon() will fail if the signature is not actually on disk. (This is a kernel bug.) - syscall_('fsync', fileno(F)) or die "fsync failed: $!"; - close F; + syscall_('fsync', fileno($F)) or die "fsync failed: $!"; + close $F; } sub enable($;$) { |