javascript - dev key 在 fs.Stat 和 nodejs 返回的对象中代表什么

Question

下面是我所指的对象 - 我试图弄清楚 dev 键的含义(第一个键值对)。我是从以下链接阅读此内容:https://nodejs.org/api/fs.html

Stats {
    dev: 2114,
    ino: 48064969,
    mode: 33188,
    nlink: 1,
    uid: 85,
    gid: 100,
    rdev: 0,
    size: 527,
    blksize: 4096,
    blocks: 8,
    atimeMs: 1318289051000.1,
    mtimeMs: 1318289051000.1,
    ctimeMs: 1318289051000.1,
    birthtimeMs: 1318289051000.1,
    atime: Mon, 10 Oct 2011 23:24:11 GMT,
    mtime: Mon, 10 Oct 2011 23:24:11 GMT,
    ctime: Mon, 10 Oct 2011 23:24:11 GMT,
    birthtime: Mon, 10 Oct 2011 23:24:11 GMT
}

Answer 1

fs.stat 是一个异步 stat(2)打电话。

基于上述man page :

st_dev
This field describes the device on which this file resides.
(The major(3) and minor(3) macros may be useful to decompose the device ID in this field.)