On 05/28/2013 04:55 PM, Andy Grover wrote:
With the newly-added nullio support, we can save 8 pages of memory
per tpg by making virtual_lun0 a nullio device, and then not
allocating the never-touched backing store for nullio devices.
Testing:
Compiled and booted only. How do I test this? 'sg_luns' needs a
device the initiator can see, but virt_lun0 is only used when no
devices are exported, right?
Testing followup:
My colleague pointed out the scsi midlayer sends a REPORT LUNS to lun 0
after iscsi login, so I've tested it and verified with Wireshark that
everything's still looking good in this area.
Regards -- Andy
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