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| author | Luke Shumaker <lukeshu@lukeshu.com> | 2023-03-23 21:33:19 -0600 |
|---|---|---|
| committer | Luke Shumaker <lukeshu@lukeshu.com> | 2023-03-23 21:33:19 -0600 |
| commit | bf5eed5af5c34b8cf9dc2985a7c4475602929bb1 (patch) | |
| tree | 9cb910940a1e16982f5c5012a4fbeb37ba172f82 /lib/btrfs/btrfsitem | |
| parent | f0a9faf21dbe508d57da3b18be9121559c70876a (diff) | |
| parent | 418553acc64567ebc95122e28b07657526c92923 (diff) | |
Merge branch 'lukeshu/tree-api-pt1-changes'
Diffstat (limited to 'lib/btrfs/btrfsitem')
| -rw-r--r-- | lib/btrfs/btrfsitem/item_root.go | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/btrfs/btrfsitem/item_root.go b/lib/btrfs/btrfsitem/item_root.go index 4ffad9a..8bdc3df 100644 --- a/lib/btrfs/btrfsitem/item_root.go +++ b/lib/btrfs/btrfsitem/item_root.go @@ -22,6 +22,11 @@ import ( // key.offset = one of: // - 0 if objectid is one of the BTRFS_*_TREE_OBJECTID defines or a non-snapshot volume; or // - transaction_id of when this snapshot was created +// +// This tree might contain nodes with node.Head.Owner set to the +// root.ParentUUID tree, *if* the node.Head.Generation is +// less-than-or-equal-to the root's key.offset. The "or-equal-to" +// part of that might be surprising, which is why I called it out. type Root struct { // trivial ROOT_ITEM=132 Inode Inode `bin:"off=0x000, siz=0xa0"` // ??? Generation btrfsprim.Generation `bin:"off=0x0a0, siz=0x08"` |