[PATCH 0/4] nvmet: support polling queue task for bio request

Ping Gan jacky_gam_2001 at 163.com
Mon Sep 18 20:25:39 PDT 2023


Since nvme target currently does not support to submit bio to a polling
queue, the bio's completion relies on system interrupt. But when there
is high workload in system and the competition is very high, so it makes
sense to add polling queue task to submit bio to disk's polling queue
and poll the completion queue of disk. 

Ping Gan (4):
  nvmet: Add nvme target polling queue task parameters
  nvmet: Add polling queue task for nvme target
  nvmet: support bio polling queue request
  nvme-core: Get lowlevel disk for target polling queue task

 drivers/nvme/host/multipath.c              |  20 +
 drivers/nvme/target/Makefile               |   2 +-
 drivers/nvme/target/core.c                 |  55 +-
 drivers/nvme/target/io-cmd-bdev.c          | 243 ++++++++-
 drivers/nvme/target/nvmet.h                |  13 +
 drivers/nvme/target/polling-queue-thread.c | 594 +++++++++++++++++++++
 6 files changed, 895 insertions(+), 32 deletions(-)
 create mode 100644 drivers/nvme/target/polling-queue-thread.c

-- 
2.26.2




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