diff options
author | Luke Shumaker <lukeshu@lukeshu.com> | 2023-03-29 22:14:49 -0600 |
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committer | Luke Shumaker <lukeshu@lukeshu.com> | 2023-03-30 00:11:50 -0600 |
commit | 755ac780df4f653879cb376d27cad7ff8e8d7b0f (patch) | |
tree | dbb9cc24a2ed4c800bf489101aad13e86fd703e4 /lib/btrfs/btrfstree/types_node.go | |
parent | 9317e6ec41ebafe1a6950a2996dcd8c4e35650fd (diff) |
btrfstree: Maximum node level is 8
Diffstat (limited to 'lib/btrfs/btrfstree/types_node.go')
-rw-r--r-- | lib/btrfs/btrfstree/types_node.go | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/lib/btrfs/btrfstree/types_node.go b/lib/btrfs/btrfstree/types_node.go index ed9ba58..28b93cf 100644 --- a/lib/btrfs/btrfstree/types_node.go +++ b/lib/btrfs/btrfstree/types_node.go @@ -103,10 +103,13 @@ type NodeHeader struct { Generation btrfsprim.Generation `bin:"off=0x50, siz=0x8"` Owner btrfsprim.ObjID `bin:"off=0x58, siz=0x8"` // The ID of the tree that contains this node NumItems uint32 `bin:"off=0x60, siz=0x4"` // [ignored-when-writing] - Level uint8 `bin:"off=0x64, siz=0x1"` // 0 for leaf nodes, >=1 for interior nodes + Level uint8 `bin:"off=0x64, siz=0x1"` // 0 for leaf nodes, >=1 for interior nodes (max 8) binstruct.End `bin:"off=0x65"` } +// MaxLevel is the maximum valid NodeHeader.Level. +const MaxLevel = 8 + // MaxItems returns the maximum possible valid value of // .Head.NumItems. func (node Node) MaxItems() uint32 { |