[pso] Tema3 - Problema rmmod

[Orasanu Eduard]

Am gasit pana la urma problema ... m-am grabit :)
Ideea e dupa ce se apleaza add_drive() deja kernel-ul trimite niste request-uri catre modul iar eu nu implementasem inca handler-ul pentru coada.
Netratand acele requesturi, rameneau in pending si deci modulul erau folosit:)


--- On Thu, 4/16/09, Orasanu Eduard <edi_o2001 at yahoo.com> wrote:

> From: Orasanu Eduard <edi_o2001 at yahoo.com>
> Subject: Re: [pso] Tema3 - Problema rmmod
> To: "Proiectarea Sistemelor de Operare" <pso at cursuri.cs.pub.ro>
> Date: Thursday, April 16, 2009, 1:07 AM
> 
> Am aplelat del_len_disk() dar ideea e ca nu ajunge sa se
> apeleaze exit-ul modulului.
> Probabil vede ca e o referinta la modul si intoarce direct
> eroarea.
> 
> --- On Wed, 4/15/09, Octavian Voicu <octavian.voicu at gmail.com>
> wrote:
> 
> > From: Octavian Voicu <octavian.voicu at gmail.com>
> > Subject: Re: [pso] Tema3 - Problema rmmod
> > To: "Proiectarea Sistemelor de Operare" <pso at cursuri.cs.pub.ro>
> > Date: Wednesday, April 15, 2009, 5:20 PM
> > Conform laboratorului ar
> > trebui sa faci un del_gen_disk( ) in
> > module_exit_function.
> > 
> > 
> > Daca ai pus asta, probabil ai uitat sa eliberezi
> > altceva (pe principiul totul trebuie eliberat in
> ordinea
> > inversa fata de cum le-ai creat) si kernelul stie ca
> inca
> > mai sunt obiecte care depind de modulul tau si nu te
> lasa
> > sa-l descarci.
> > 
> > 
> > 
> > On Thu, Apr 16, 2009 at 12:06 AM,
> > Orasanu Eduard <edi_o2001 at yahoo.com>
> > wrote:
> > 
> > 
> > 
> > 
> > Desi inca n-am implementat "open" si
> > "release", dupa ce fac insmod la modulul meu am
> > reference count = 1 si imi da eroare la rmmod:"Module
> > sraid is in use".
> > 
> > 
> > 
> > Am observat ca se intampla lucrul asta cand apelez
> > add_disk(..).
> > 
> > Nu merge nici rmmod -f din pacate.
> > 
> > 
> > 
> > 
> > 
> > 
> > 
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> > 
> > 
> > -- 
> > Octavian Voicu
> > 
> > 
> > 
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