diff options
author | Luke Shumaker <lukeshu@lukeshu.com> | 2022-07-10 13:18:30 -0600 |
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committer | Luke Shumaker <lukeshu@lukeshu.com> | 2022-07-10 13:35:20 -0600 |
commit | 27401b6ea459921a6152ab1744da1618358465f4 (patch) | |
tree | 2c4f9c096f1a593e65d7f824901e815ca48bfaf0 /pkg/btrfs/btrfsitem/item_extentcsum.go | |
parent | 42f6f78e0a32ba0eda707154f8e1ffb4579604ee (diff) |
Rename the module, mv pkg lib
Diffstat (limited to 'pkg/btrfs/btrfsitem/item_extentcsum.go')
-rw-r--r-- | pkg/btrfs/btrfsitem/item_extentcsum.go | 39 |
1 files changed, 0 insertions, 39 deletions
diff --git a/pkg/btrfs/btrfsitem/item_extentcsum.go b/pkg/btrfs/btrfsitem/item_extentcsum.go deleted file mode 100644 index 27c7c9b..0000000 --- a/pkg/btrfs/btrfsitem/item_extentcsum.go +++ /dev/null @@ -1,39 +0,0 @@ -package btrfsitem - -import ( - "fmt" - - "lukeshu.com/btrfs-tools/pkg/btrfs/btrfssum" -) - -// key.objectid = BTRFS_EXTENT_CSUM_OBJECTID -// key.offset = laddr of checksummed region -type ExtentCSum struct { // EXTENT_CSUM=128 - ChecksumSize int - // Checksum of each sector starting at key.offset - Sums []btrfssum.CSum -} - -func (o *ExtentCSum) UnmarshalBinary(dat []byte) (int, error) { - if o.ChecksumSize == 0 { - return 0, fmt.Errorf("btrfs.ExtentCSum.UnmarshalBinary: .ChecksumSize must be set") - } - for len(dat) >= o.ChecksumSize { - var csum btrfssum.CSum - copy(csum[:], dat[:o.ChecksumSize]) - dat = dat[o.ChecksumSize:] - o.Sums = append(o.Sums, csum) - } - return len(o.Sums) * o.ChecksumSize, nil -} - -func (o ExtentCSum) MarshalBinary() ([]byte, error) { - if o.ChecksumSize == 0 { - return nil, fmt.Errorf("btrfs.ExtentCSum.MarshalBinary: .ChecksumSize must be set") - } - var dat []byte - for _, csum := range o.Sums { - dat = append(dat, csum[:o.ChecksumSize]...) - } - return dat, nil -} |