Messages in this thread | | | Date | Wed, 13 May 2015 08:48:17 +0200 | From | Christoph Hellwig <> | Subject | Re: [PATCH 01/12] target: Convert se_node_acl->device_list[] to RCU hlist |
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On Tue, May 12, 2015 at 11:20:12PM -0700, Nicholas A. Bellinger wrote: > Ugh, yes. Fixing up clear_lun_from_tpg + free_device_list_for_node to > use a common caller acquiring se_node_acl->lun_entry_mutex during > se_dev_entry release. > > Fixing up target_fabric_mappedlun_unlink() as well.
Good prep for that one might be:
http://git.infradead.org/users/hch/scsi.git/commitdiff/111b30a2430c8af492d8e67d18658f60313ad3be
and
http://git.infradead.org/users/hch/scsi.git/commitdiff/054d9e0cc048f664cde5b13d34742c61ee535a04
> > The case where we have an original one is the demo mode -> explicit > > change. So I don't think we actually need the newly allocate dev > > entry here. Just change lun_flags like in core_update_device_list_access > > and do an rcu_assign_pointer for the lun ACLs. > > Will take a look at this.
FYI, this was my idea how to handle the transition from generate to explicit ACLs:
http://git.infradead.org/users/hch/scsi.git/commitdiff/e3438480c0eaa020d1ad55ec1a0be88f05ae8372
I don't think it's quite correct, though as we need to update ->lun_flags in the transition case as well.
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