Constant fuse_backend_rs::abi::fuse_abi::FUSE_ATTR_DAX

pub const FUSE_ATTR_DAX: u32 = _; // 2u32

fuse_attr flags

upstream kernel use (1 << 0) as FUSE_ATTR_SUBMOUNT, so FUSE_ATTR_DAX will use (1 << 1)

This attribute indicates whether the file supports dax in per-file DAX mode