func (benchFS) Init(ctx context.Context, req *fuse.InitRequest, resp *fuse.InitResponse) error {
resp.MaxReadahead = 64 * 1024 * 1024
resp.Flags |= fuse.InitAsyncRead
return nil
}
func (f benchFS) Root() (fs.Node, error) {
return benchDir{conf: f.conf}, nil
}
type benchDir struct {
conf *benchConfig
}
var _ = fs.Node(benchDir{})
var _ = fs.NodeStringLookuper(benchDir{})
var _ = fs.Handle(benchDir{})
var _ = fs.HandleReadDirAller(benchDir{})
func (benchDir) Attr(ctx context.Context, a *fuse.Attr) error {
a.Inode = 1
a.Mode = os.ModeDir | 0555
return nil
}
func (d benchDir) Lookup(ctx context.Context, name string) (fs.Node, error) {
if name == "bench" {
return benchFile{conf: d.conf}, nil
}
return nil, fuse.ENOENT
a.Mode = 0666
return nil
}
// Dir can be embedded in a struct to make it look like a directory.
type Dir struct{}
func (f Dir) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = os.ModeDir | 0777
return nil
}
// ChildMap is a directory with child nodes looked up from a map.
type ChildMap map[string]fs.Node
var _ = fs.Node(ChildMap{})
var _ = fs.NodeStringLookuper(ChildMap{})
func (f ChildMap) Attr(ctx context.Context, a *fuse.Attr) error {
a.Mode = os.ModeDir | 0777
return nil
}
func (f ChildMap) Lookup(ctx context.Context, name string) (fs.Node, error) {
child, ok := f[name]
if !ok {
return nil, fuse.ENOENT
}
return child, nil
}