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| author | Luke Shumaker <lukeshu@lukeshu.com> | 2022-10-17 00:15:06 -0600 |
|---|---|---|
| committer | Luke Shumaker <lukeshu@lukeshu.com> | 2022-12-20 19:58:11 -0700 |
| commit | 53a2ce3b4dcbfd17ac15230da17130a2aeae42dc (patch) | |
| tree | 4d915a8ae475b82f53014b2c8c90a31932794168 /lib/btrfs/btrfsitem/item_devextent.go | |
| parent | 85169c799b4a0d4ba7d39347c07690dc0b49a1d1 (diff) | |
Add and improve comments
Diffstat (limited to 'lib/btrfs/btrfsitem/item_devextent.go')
| -rw-r--r-- | lib/btrfs/btrfsitem/item_devextent.go | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/lib/btrfs/btrfsitem/item_devextent.go b/lib/btrfs/btrfsitem/item_devextent.go index 8f5f05c..47bdbcf 100644 --- a/lib/btrfs/btrfsitem/item_devextent.go +++ b/lib/btrfs/btrfsitem/item_devextent.go @@ -13,9 +13,9 @@ import ( // key.objectid = device_id // key.offset = physical_addr type DevExtent struct { // DEV_EXTENT=204 - ChunkTree int64 `bin:"off=0, siz=8"` - ChunkObjectID btrfsprim.ObjID `bin:"off=8, siz=8"` - ChunkOffset btrfsvol.LogicalAddr `bin:"off=16, siz=8"` + ChunkTree btrfsprim.ObjID `bin:"off=0, siz=8"` // always CHUNK_TREE_OBJECTID + ChunkObjectID btrfsprim.ObjID `bin:"off=8, siz=8"` // which chunk within .ChunkTree owns this extent, always FIRST_CHUNK_TREE_OBJECTID + ChunkOffset btrfsvol.LogicalAddr `bin:"off=16, siz=8"` // offset of the CHUNK_ITEM that owns this extent, within the .ChunkObjectID Length btrfsvol.AddrDelta `bin:"off=24, siz=8"` ChunkTreeUUID btrfsprim.UUID `bin:"off=32, siz=16"` binstruct.End `bin:"off=48"` |