On Wed, 6 Jan 2021 14:18:30 -0600, Tyrel Datwyler wrote:
> The ibmvfc driver in its current form relies heavily on the host_lock. This
> patchset introduces a genric queue with its own queue lock and sent/free event
> list locks. This generic queue allows the driver to decouple the primary queue
> and future subordinate queues from the host lock reducing lock contention while
> also relaxing locking for submissions and completions to simply the list lock of
> the queue in question.
>
> [...]
Applied to 5.12/scsi-queue, thanks!
[1/5] ibmvfc: define generic queue structure for CRQs
https://git.kernel.org/mkp/scsi/c/f8968665af28
[2/5] ibmvfc: make command event pool queue specific
https://git.kernel.org/mkp/scsi/c/e4b26f3db864
[3/5] ibmvfc: define per-queue state/list locks
https://git.kernel.org/mkp/scsi/c/57e80e0bc108
[4/5] ibmvfc: complete commands outside the host/queue lock
https://git.kernel.org/mkp/scsi/c/1f4a4a19508d
[5/5] ibmvfc: relax locking around ibmvfc_queuecommand
https://git.kernel.org/mkp/scsi/c/654080d02edb
--
Martin K. Petersen Oracle Linux Engineering
