RE: [Open-FCoE] [PATCH 1/1] libfc: fix queue command rport checks

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> -----Original Message-----
> From: Mike Christie [mailto:michaelc@xxxxxxxxxxx] 
> 
> > So during a clean shutdown are drivers supposed to remove 
> the targets by 
> > calling scsi_remove_target to remove the devices, then 
> remove the rports 
> > through the class?
> 
> Or for the case where we are stopping a host (rmmod or single 
> host stop 
> like with fcoe), should drivers call

Yes - the steps below is what the drivers do today.  And this does all
work without failing the cache sync (unless something's changed recently
in the midlayer above us).

> 
> 1. fc_remove_host()
> 	This could be modified to cleanup shutdown targets then 
> remove rports. 
> We could then have a rport shutdown callback which the class 
> could call 
> and drivers could cleanup and shutdown the rport here before 
> it is freed.

Is this related to your new scsi-target block code ?
Yes - agree with your comment - we can change it so that it cleansup
the blocked target, then terminates the rport.
> 
> 2. scsi_remove_host()
> 
> 3. cleanup internal host resources.
> 
> 4. scsi_put_host().
> 


-- james


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