Re: The disappearing sys_call_table export.

Chuck Ebbert
2003-05-09T07:41:16Z

Alan Cox wrote:

>> So when I register my filesystem, can I indicate that I want to be
>> layered over top of the ext3 driver and get control anytime someone
>> mounts an ext3 fileystem, so I can decide whether the volume being
>> mounted is one that I want to intercept open/read/write requests for?
>
> That would assume you had a right to dictate that the administrator
> couldnt mount other file systems without your stacking.

Security-sensitive upper layers like virus scanners and loggers
would want to do it that way. The upper layer might even just log
the fact that mount happened and then stay out of the way after that.