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marsadm: factor out get_possible_size()

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Thomas Schoebel-Theuer 2019-09-06 11:39:04 +02:00 committed by Thomas Schoebel-Theuer
parent a7c994acf8
commit 30f2210db3
1 changed files with 15 additions and 9 deletions
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24
userspace/marsadm
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@ -3689,6 +3689,20 @@ my %resize_device_size;
my %resize_old_size;
my %resize_new_size;
sub get_possible_size {
my ($cmd, $res) = @_;
my @actsizes = glob("$mars/resource-$res/actsize-*");
lwarn "resource $res has no actsize-* symlinks\n" unless @actsizes;
my $possible_size = 0;
foreach my $actsize (@actsizes) {
my $this_size = get_link($actsize);
if (!$possible_size || $this_size < $possible_size) {
$possible_size = $this_size;
}
}
return $possible_size;
}
sub resize_phase0 {
my ($cmd, $res, $size_arg) = @_;
ldie "mars kernel module is not loaded. This is needed for communication with some other hosts!\n" if !is_module_loaded();
@ -3700,18 +3714,10 @@ sub resize_phase0 {
}
check_primary(@_);
my $my_size = get_link("$mars/resource-$res/actsize-$host");
my @actsizes = glob("$mars/resource-$res/actsize-*");
ldie "resource $res has no actsize-* symlinks\n" unless @actsizes;
my $lnk = "$mars/resource-$res/size";
my $old_size = get_link($lnk);
my $possible_size = 0;
foreach my $actsize (@actsizes) {
my $this_size = get_link($actsize);
if (!$possible_size || $this_size < $possible_size) {
$possible_size = $this_size;
}
}
lprint "old_size=$old_size\n";
my $possible_size = get_possible_size($cmd, $res);
lprint "possible_size=$possible_size\n";
$new_size = $possible_size if !$new_size;
lprint "new_size=$new_size\n";