Re: [PATCH 001/001] CHAR DRIVERS: a simple device to give daemons a /sys-like interface

Bob Smith
2013-08-10T22:07:15Z

Arnd Bergmann wrote:
>> GOAL
>> The goal of this patch was to make it possible to configure
>> daemons using simple file IO. The litmus test for this is
>> that commands like these should be possible
>> cat < /var/daemons/wpa_supplicant/use_channel
>> echo 5 >/var/daemons/wpa_supplicant/use_channel

> If you want to have that behavior, I think the best way to
> do it would be new file system that combines aspects of
> tmpfs and debugfs, letting users with write access to the
> mount point (or a directory under it) create subdirectories
> and files using regular unix permission handling. You would
> then always use the file_operations that you defined for your
> chardev but use that with inode_operations similar to tmpfs.

THANKS! It would still be a kernel patch and still require
root to set up but so would FUSE and your approach might be
much lighter weight.

thanks
Bob Smith