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btrbk
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btrbk: btr_tree(): added REL_PATH information to subvolume node

pull/30/head
Axel Burri 2015-03-13 11:20:47 +01:00
parent 6e2b9a68d0
commit 618114e717
1 changed files with 16 additions and 3 deletions
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btrbk
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@ -616,6 +616,12 @@ sub btr_tree($;$)
$id{$node->{id}} = $node;
$uuid_info{$node->{uuid}} = $node;
my $path = $node->{path};
$path =~ s/^<FS_TREE>\///; # remove "<FS_TREE>/" portion, this does not help us at all
$node->{FIXED_PATH} = $path;
my $rel_path = $path;
if($node->{top_level} == 5)
{
# man btrfs-subvolume:
@ -628,11 +634,18 @@ sub btr_tree($;$)
{
# set SUBVOLUME / TOP_LEVEL node
die unless exists($id{$node->{top_level}});
die if exists($id{$node->{top_level}}->{SUBVOLUME}->{$node->{id}});
$id{$node->{top_level}}->{SUBVOLUME}->{$node->{id}} = $node;
$node->{TOP_LEVEL} = $id{$node->{top_level}};
my $top_level = $id{$node->{top_level}};
die if exists($top_level->{SUBVOLUME}->{$node->{id}});
$top_level->{SUBVOLUME}->{$node->{id}} = $node;
$node->{TOP_LEVEL} = $top_level;
# "path" always starts with set REL_PATH
die unless($rel_path =~ s/^$top_level->{FIXED_PATH}\///);
}
$node->{REL_PATH} = $rel_path;
}
# set PARENT node
foreach (values %id){
$_->{PARENT} = $uuid_info{$_->{parent_uuid}} if($_->{parent_uuid} ne "-");