diff options
Diffstat (limited to 'pkg/btrfs/internal/addr.go')
| -rw-r--r-- | pkg/btrfs/internal/addr.go | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/pkg/btrfs/internal/addr.go b/pkg/btrfs/internal/addr.go index a3f41ed..09618a8 100644 --- a/pkg/btrfs/internal/addr.go +++ b/pkg/btrfs/internal/addr.go @@ -31,3 +31,15 @@ func (a LogicalAddr) Sub(b LogicalAddr) AddrDelta { return AddrDelta(a - b) } func (a PhysicalAddr) Add(b AddrDelta) PhysicalAddr { return a + PhysicalAddr(b) } func (a LogicalAddr) Add(b AddrDelta) LogicalAddr { return a + LogicalAddr(b) } + +type QualifiedPhysicalAddr struct { + Dev UUID + Addr PhysicalAddr +} + +func (a QualifiedPhysicalAddr) Cmp(b QualifiedPhysicalAddr) int { + if d := a.Dev.Cmp(b.Dev); d != 0 { + return d + } + return int(a.Addr - b.Addr) +} |