Messages in this thread | | | Subject | Re: [PATCH v7 08/14] nvmet-core: allow one host per passthru-ctrl | From | Sagi Grimberg <> | Date | Wed, 21 Aug 2019 17:09:23 -0700 |
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> I don't understand why we don't limit a regular ctrl to single access > and we do it for the PT ctrl. > > I guess the block layer helps to sync between multiple access in > parallel but we can do it as well. > > Also, let's say you limit the access to this subsystem to 1 user, the > bdev is still accessibly for local user and also you can create a > different subsystem that will use this device (PT and non-PT ctrl). > > Sagi, > > can you explain the trouble you meant and how this limitation solve it ?
Its different to emulate the controller with all its admin commands vs. passing it through to the nvme device.. (think of format nvm)
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