Re: [PATCH 03/11] target: use idr for se_device dev index

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On Wed, 2017-06-21 at 13:20 -0500, Mike Christie wrote:
> On 06/21/2017 01:13 PM, Bart Van Assche wrote:
> > On Fri, 2017-06-16 at 16:47 -0500, Mike Christie wrote:
> > > In the next patches we will add tcmu netlink support that allows
> > > userspace to send commands to target_core_user. To execute operations
> > > on a se_device/tcmu_dev we need to be able to look up a dev by any old
> > > id. This patch replaces the se_device->dev_index with a idr created
> > > id.
> > > 
> > > The next patches will also remove the g_device_list and replace it with
> > > the idr.
> > 
> > Hello Mike,
> > 
> > Although this patch looks fine to me I would appreciate it if all uses of
> > scsi_get_new_index() would be converted into IDR. It doesn't make sense to
> > me to use a single data structure (scsi_mib_index[]) to keep track of
> > indexes of HBA instances, device instances and ACL instances.
> 
> Just to make sure I understood you, do you mean have one idr for hba,
> acl and dev index ids or one idr for acl, one for hba, etc?

Hello Mike,

What I meant is one idr for ACL, one for HBA and one for devices. That should
match the current behavior of scsi_get_new_index().

Bart.--
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