partition_table: align partitions to 1MB boundaries to avoid

performance issues with drives with 4k physical sectors (mga#1215)

1 files changed, 2 insertions, 13 deletions

diff --git a/perl-install/partition_table/raw.pm b/perl-install/partition_table/raw.pm
index 7659a390b..ed89595b3 100644
--- a/perl-install/partition_table/raw.pm
+++ b/perl-install/partition_table/raw.pm
@@ -73,20 +73,9 @@ sub last_usable_sector {
 sub max_partition_start { 1e99 }
 sub max_partition_size { 1e99 }
 
-#- default method for starting a partition, only head size or twice
-#- is allowed for starting a partition after a cylinder boundarie.
-sub adjustStart($$) {
-    my ($hd, $part) = @_;
-    my $end = $part->{start} + $part->{size};
+#- default method for starting a partition
+sub adjustStart($$) {}
 
-    if (cylinder_size($hd)) {
-	$part->{start} = round_up($part->{start},
-				  $part->{start} % cylinder_size($hd) < 2 * $hd->{geom}{sectors} ?
-				  $hd->{geom}{sectors} : cylinder_size($hd));
-	$part->{size} = $end - $part->{start};
-	$part->{size} > 0 or die "adjustStart get a too small partition to handle correctly";
-    }
-}
 #- adjusting end to match a cylinder boundary, two methods are used and must
 #- match at the end, else something is wrong and nothing will be done on
 #- partition table.