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How to tell if a vnode resides in a usb mass storage device?
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How to tell if a vnode resides in a usb mass storage device?

  • Subject: How to tell if a vnode resides in a usb mass storage device?
  • From: Haohao Lee <email@hidden>
  • Date: Tue, 25 Sep 2018 15:58:07 +0800
Hi folks,

We need find if a vnode (file) is from a usb drive. More generally, do we
have a way to get device info from a vnode.

It can be done easily in Linux via super_block stuff, but there is no such
thing in xnu.

Any suggestion is appreciated!

Hao

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