From mboxrd@z Thu Jan 1 00:00:00 1970 From: Keith Owens Date: Sat, 31 Mar 2001 02:03:32 +0000 Subject: Re: (remove) event not supported. Message-Id: List-Id: References: In-Reply-To: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: linux-hotplug@vger.kernel.org On Sat, 31 Mar 2001 22:57:18 +1000, Brad Hards wrote: >David Brownell wrote: >> - the dynamic linking framework doesn't track how many devices >> are attached to each driver module ... so if there's another device >> controlled by the same driver, but it's not opened, removing that >> module would be incorrect. ("module use count" doesn't cover >> uses, just opens.) >This could be trivially extended to have a inc_dev_open_count() and >inc_dev_use_count(), where the use count get incremented in probe() >and the open count gets incremented in open(). Naturally you also >have to have a dec version of each as well, in disconnect() and >close(). AFAICT there is no need for another count, you can do MOD_INC_USE_COUNT in any module function. The use count does not have to be for just open. Add MOD_INC_USE_COUNT to the probe() function for each new device. _______________________________________________ Linux-hotplug-devel mailing list http://linux-hotplug.sourceforge.net Linux-hotplug-devel@lists.sourceforge.net http://lists.sourceforge.net/lists/listinfo/linux-hotplug-devel