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disk: add find partition for mountpoint helper

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This commit is contained in:
Christian Kellner 2021-12-19 19:34:11 +01:00 • committed by Tom Gundersen
parent 9746a87609
commit e7dbe60622
1 changed files with 10 additions and 16 deletions
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26
internal/disk/disk.go
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@ -152,16 +152,13 @@ func (pt *PartitionTable) FSTabStageOptionsV2() *osbuild2.FSTabStageOptions {
return &options
}
// Returns the root partition (the partition whose filesystem has / as
// a mountpoint) of the partition table. Nil is returned if there's no such
// partition.
func (pt *PartitionTable) RootPartition() *Partition {
func (pt *PartitionTable) FindPartitionForMountpoint(mountpoint string) *Partition {
for idx, p := range pt.Partitions {
if p.Filesystem == nil {
continue
}
if p.Filesystem.Mountpoint == "/" {
if p.Filesystem.Mountpoint == mountpoint {
return &pt.Partitions[idx]
}
}
@ -169,21 +166,18 @@ func (pt *PartitionTable) RootPartition() *Partition {
return nil
}
// Returns the root partition (the partition whose filesystem has / as
// a mountpoint) of the partition table. Nil is returned if there's no such
// partition.
func (pt *PartitionTable) RootPartition() *Partition {
return pt.FindPartitionForMountpoint("/")
}
// Returns the /boot partition (the partition whose filesystem has /boot as
// a mountpoint) of the partition table. Nil is returned if there's no such
// partition.
func (pt *PartitionTable) BootPartition() *Partition {
for _, p := range pt.Partitions {
if p.Filesystem == nil {
continue
}
if p.Filesystem.Mountpoint == "/boot" {
return &p
}
}
return nil
return pt.FindPartitionForMountpoint("/boot")
}
// Returns the index of the boot partition: the partition whose filesystem has