Type Alias btrfs_header

pub type btrfs_header = Header;

Aliased Type

#[repr(C, packed(1))]
pub struct btrfs_header {
    pub csum: [u8; 32],
    pub fs_uuid: [u8; 16],
    pub logical_address: U64<LittleEndian>,
    pub flags: [u8; 7],
    pub backref_rev: u8,
    pub chunk_tree_uuid: [u8; 16],
    pub generation: U64<LittleEndian>,
    pub tree_id: U64<LittleEndian>,
    pub num_items: U32<LittleEndian>,
    pub level: u8,
}

Fields

csum: [u8; 32]

The checksum of everything after this field, including the internal/leaf node specific part.

fs_uuid: [u8; 16]

The filesystem UUID.

logical_address: U64<LittleEndian>

The logical address of this node.

flags: [u8; 7]

The first 7 bits represent flags.

backref_rev: u8

The backref revision, which maps to a BackrefRevision value.

chunk_tree_uuid: [u8; 16]

The chunk tree UUID.

generation: U64<LittleEndian>

The generation of this node.

tree_id: U64<LittleEndian>

The ID of the tree containing this node.

num_items: U32<LittleEndian>

The number of items held in this node.

level: u8

The level of this node. 0 indicates it is a leaf node.