One of the following packages, hopefully it's obvious which one is
relevant for you:

$ apt-file search debugfs.h | grep -E 'linux\/debugfs\.h$'
linux-headers-6.4.0-3-common:
/usr/src/linux-headers-6.4.0-3-common/include/linux/debugfs.h
linux-headers-6.4.0-3-common-rt:
/usr/src/linux-headers-6.4.0-3-common-rt/include/linux/debugfs.h
linux-headers-6.4.0-4-common:
/usr/src/linux-headers-6.4.0-4-common/include/linux/debugfs.h
linux-headers-6.4.0-4-common-rt:
/usr/src/linux-headers-6.4.0-4-common-rt/include/linux/debugfs.h
linux-headers-6.5.0-1-common:
/usr/src/linux-headers-6.5.0-1-common/include/linux/debugfs.h
linux-headers-6.5.0-1-common-rt:
/usr/src/linux-headers-6.5.0-1-common-rt/include/linux/debugfs.h

B. Stack

On Tue, Oct 3, 2023 at 2:09 PM d45 n0x8!7 <noxbitcom@???> wrote:
>
> Hello!
>
> I have a driver pack, it uses "libux/debugfs.h" . How can I obtain it for devuan ?
>
> TIA.
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