Messages in this thread |  | | Date | Thu, 08 Mar 2001 11:39:36 -0500 | From | Brian Gerst <> | Subject | Re: opening files in /proc, and modules |
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Michael Rothwell wrote: > > How can I detect that open() has been called on a file in procfs that a > module provides? If I modprobe my module, open one or more if its proc > entries, then rmmod the module while the proc files are still open, then > the deletion of those entries is deferred. When I close the file(s), the > kernel oopses. I need to be able to detect open() and close() in order > to increment/decrement the reference count for my module, to prevent it > from being rmmoded when in use. Any tips? > > Thanks!
Really, the procfs needs a pointer to the module so it can do the reference before calling the code in the module.
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