Yes. But it is not easy. Look at code vfs_vnops.c. You can let a user
process open a file and then push the file descriptor into kernel via a
special system call. Search the mailing list archive and you will find
discussions on how to add a new system call.
-Zhihui
On Wed, 18 Jul 2001, suid wrote:
>
> Godday.
>
> I'm quite new to KLD-programming and have a question:
>
> Is it possible to read/write to files from a module without
> too much effort, but still staying in kernelspace?
>
>
> /suid-
>
>
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