diff options
Diffstat (limited to 'lib/btrfsprogs/btrfsutil')
| -rw-r--r-- | lib/btrfsprogs/btrfsutil/csums.go | 12 |
1 files changed, 4 insertions, 8 deletions
diff --git a/lib/btrfsprogs/btrfsutil/csums.go b/lib/btrfsprogs/btrfsutil/csums.go index 274be68..3c3d85f 100644 --- a/lib/btrfsprogs/btrfsutil/csums.go +++ b/lib/btrfsprogs/btrfsutil/csums.go @@ -37,7 +37,7 @@ func ChecksumQualifiedPhysical(fs *btrfs.FS, alg btrfssum.CSumType, paddr btrfsv return ChecksumPhysical(dev, alg, paddr.Addr) } -func LookupCSum(fs btrfs.Trees, alg btrfssum.CSumType, laddr btrfsvol.LogicalAddr) (map[btrfsvol.LogicalAddr]btrfssum.CSum, error) { +func LookupCSum(fs btrfs.Trees, alg btrfssum.CSumType, laddr btrfsvol.LogicalAddr) (btrfssum.SumRun[btrfsvol.LogicalAddr], error) { item, err := fs.TreeSearch(btrfs.CSUM_TREE_OBJECTID, func(key btrfs.Key, size uint32) int { itemBeg := btrfsvol.LogicalAddr(key.ObjectID) numSums := int64(size) / int64(alg.Size()) @@ -52,15 +52,11 @@ func LookupCSum(fs btrfs.Trees, alg btrfssum.CSumType, laddr btrfsvol.LogicalAdd } }) if err != nil { - return nil, err + return btrfssum.SumRun[btrfsvol.LogicalAddr]{}, err } body, ok := item.Body.(btrfsitem.ExtentCSum) if !ok { - return nil, fmt.Errorf("item body is %T not ExtentCSum", item.Body) + return btrfssum.SumRun[btrfsvol.LogicalAddr]{}, fmt.Errorf("item body is %T not ExtentCSum", item.Body) } - ret := make(map[btrfsvol.LogicalAddr]btrfssum.CSum, len(body.Sums)) - for i, sum := range body.Sums { - ret[btrfsvol.LogicalAddr(item.Key.ObjectID)+(btrfsvol.LogicalAddr(i)*btrfssum.BlockSize)] = sum - } - return ret, nil + return body.SumRun, nil } |