nvmet-fc: Add Disconnect Association Xmt support
As part of FC-NVME-2 (and ammendment on FC-NVME), the target is to send a Disconnect LS after an association is terminated and any exchanges for the association have been ABTS'd. The target is also not to send the receipt to any Disconnect Association LS, received to initiate the association termination or received while the association is terminating, until the Disconnect LS has been transmit. Add support for sending Disconnect Association LS after all I/O's complete (which is after ABTS'd certainly). Utilizes the new LLDD api to send ls requests. There is no need to track the Disconnect LS response or to retry after timeout. All spec requirements will have been met by waiting for i/o completion to initiate the transmission. Add support for tracking the reception of Disconnect Association and defering the response transmission until after the Disconnect Association LS has been transmit. Signed-off-by:James Smart <jsmart2021@gmail.com> Signed-off-by:
Christoph Hellwig <hch@lst.de> Signed-off-by:
Jens Axboe <axboe@kernel.dk>
parent
349c694e
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