Spdk/module
Shuhei Matsumoto 8f9b977504 bdev/nvme: Add active/active policy for multipath mode
The NVMe bdev module supported active-passive policy for multipath mode
first. By this patch, the NVMe bdev module supports active-active policy
for multipath node next. Following the Linux kernel native NVMe multipath,
the NVMe bdev module supports round robin algorithm for active-active
policy.

The multipath policy, active-passive or active-active, is managed per
nvme_bdev. The multipath policy is copied to all corresponding
nvme_bdev_channels.

Different from active-passive, active-active caches even non_optimized
path to provide load balance across multiple paths.

Signed-off-by: Shuhei Matsumoto <smatsumoto@nvidia.com>
Change-Id: Ie18b24db60d3da1ce2f83725b6cd3079f628f95b
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12001
Community-CI: Mellanox Build Bot
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@nvidia.com>
2022-05-05 07:11:24 +00:00
..
accel module/accel/idxd: change json write of kernel mode from U32 to bool 2022-04-21 08:12:37 +00:00
bdev bdev/nvme: Add active/active policy for multipath mode 2022-05-05 07:11:24 +00:00
blob so_ver: increase all major versions 2022-01-31 15:29:56 +00:00
blobfs so_ver: increase all major versions 2022-01-31 15:29:56 +00:00
env_dpdk so_ver: increase all major versions 2022-01-31 15:29:56 +00:00
event nvmf: remove deprecated conn_sched parameter 2022-02-15 14:38:37 +00:00
scheduler scheduler: create and parse JSON values for dynamic scheduler params 2022-03-16 08:19:26 +00:00
sock sock: introduce dynamic zerocopy according to data size 2022-04-28 07:29:28 +00:00
Makefile scheduler: create public API and subsystem for scheduler/governor 2021-09-07 07:33:03 +00:00