nvme/tcp: Add wq_unbound modparam for nvme_tcp_wq

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The default nvme_tcp_wq will use all CPUs to process tasks. Sometimes it is
necessary to set CPU affinity to improve performance.

A new module parameter wq_unbound is added here. If set to true, users can
configure cpu affinity through
/sys/devices/virtual/workqueue/nvme_tcp_wq/cpumask.

Signed-off-by: Li Feng <fengli@smartx.com>
Reviewed-by: Sagi Grimberg <sagi@grimberg.me>
Signed-off-by: Keith Busch <kbusch@kernel.org>

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Li Feng 2024-03-13 20:38:10 +08:00 • committed by Keith Busch

parent ec58afb49e

commit 0c29f9fa46

1 changed files with 18 additions and 3 deletions

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drivers/nvme/host/tcp.c

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