internal/inomap/qino.go


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package inomap

import (
	"syscall"
)

// QIno = Qualified Inode number.
// Uniquely identifies a backing file through the device number,
// inode number pair.
type QIno struct {
	// Stat_t.{Dev,Ino} is uint64 on 32- and 64-bit Linux
	Dev uint64
	Ino uint64
}

// QInoFromStat fills a new QIno struct with the passed Stat_t info.
func QInoFromStat(st *syscall.Stat_t) QIno {
	return QIno{
		// There are some architectures that use 32-bit values here
		// (darwin, freebsd-32, maybe others). Add and explicit cast to make
		// this function work everywhere.
		Dev: uint64(st.Dev),
		Ino: uint64(st.Ino),
	}
}