[stgt] [PATCH 1/1] iscsi: add support to use multiple portals for iscsi

[ronnie sahlberg]

Tomo, list,

Please find attached a patch to add multiple-portal support to tgtd.
This allows a user to specify multiple different portals for tgtd to listen on.

Example:
tgtd --iscsi portal=10.1.1.1:3260,10.1.1.2:3261,[::1]:3262


This is useful for systems where you have very many NICs and ip
addresses but you only want TGTD to bind to some of the addresses.


(
In addition to multiple portal support I would want to also add
support to add and remove portals at runtime using the tgtadm command.
This would avoid the very disruptive 'stop tgtd, restart tgtd' that
you have to do today when chaning the portals used by tgtd.
)

regards
ronnie sahlberg
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