On 03/08/2016 11:21 AM, Chris Leech wrote:
> On Fri, Feb 12, 2016 at 09:38:53AM -0800, Lee Duncan wrote:
>> The scsi_transport_iscsi module already uses the ida_simple
>> routines for managing the target ID, if requested to do
>> so. This change replaces an ever-increasing atomic integer
>> that tracks the session ID itself with the ida_simple
>> family of routines. This means that the session ID
>> will be reclaimed and can be reused when the session
>> is freed.
>>
>> Note that no maximum is placed on this value, though
>> user-space currently only seems to use the lower 24-bits.
>> It seems better to handle this in user space, though,
>> than to limit the value range for the session ID here.
>>
>> Signed-off-by: Lee Duncan <ldun...@suse.com>
> 
> Acked-by: Chris Leech <cle...@redhat.com>
> 

Dropping lkml and linux-scsi for a moment for some userspace stuff.

If we do this patch, then we need Chris's sysfs attr cache removal and
in another patch I think we also need to drop the dev_list cache from
open-iscsi/usr/sysfs.c?

For example, I think we could hit a bug because we could match a session
id but the cached device's parent could be different than before.

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