// +build linux package sftp import (	"syscall") func statvfsFromStatfst(stat *syscall.Statfs_t) (*StatVFS, error) {	return &StatVFS{		Bsize:   uint64(stat.Bsize),		Frsize:  uint64(stat.Frsize),		Blocks:  stat.Blocks,		Bfree:   stat.Bfree,		Bavail:  stat.Bavail,		Files:   stat.Files,		Ffree:   stat.Ffree,		Favail:  stat.Ffree,         // not sure how to calculate Favail		Flag:    uint64(stat.Flags), // assuming POSIX?		Namemax: uint64(stat.Namelen),	}, nil}