13ca6e52d3
Previously, if a namespace is in ANA inaccessible state, I/O had been queued infinitely. Fix this issue according to the NVMe spec. Add a temporary poller anatt_timer and a flag ana_transition_timedout for each nvme_ns. Start anatt_timer if the nvme_ns enters ANA transition. If anatt_timer is expired, set ana_transition_timedout to true. Cancel anatt_timer or clear ana_transition_timedout if the nvme_ns exits ANA transition. nvme_io_path_become_available() returns false if ana_transition_timedout is true. Add unit test case to verify these addition. Signed-off-by: Shuhei Matsumoto <smatsumoto@nvidia.com> Change-Id: Ic76933242046b3e8e553de88221b943ad097c91c Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/12194 Tested-by: SPDK CI Jenkins <sys_sgci@intel.com> Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com> Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com> Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Monica Kenguva <monica.kenguva@intel.com> |
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