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lib/nvmf: Notify ANA change when namespace change happens

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When ANA is enabled, if a new namespace is hot-added to the subsystem on
the target side, the Linux host will expect to receive an ANA change
notification after the namespace change one. Without the knowledge of
the namespace's ANA state, the host will not register the associated
block device, so users cannot see the nvme device.

In this patch, ANA change is notified right after namespace change, so
host will get ANA log, update the namespace's ANA state and then
register the block device if it is alive.

Signed-off-by: Jiewei Ke <jiewei@smartx.com>
Change-Id: I2faf61d344eb6de7efb2fde3cb1013cf0efd3c2e
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/5097
Community-CI: Broadcom CI
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
This commit is contained in:
Jiewei Ke 2020-11-13 03:13:30 -05:00 committed by Tomasz Zawadzki
parent b7f7bbd16b
commit 012bd3b942
1 changed files with 1 additions and 0 deletions
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lib/nvmf/nvmf.c
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@ -1233,6 +1233,7 @@ poll_group_update_subsystem(struct spdk_nvmf_poll_group *group,
TAILQ_FOREACH(ctrlr, &subsystem->ctrlrs, link) { TAILQ_FOREACH(ctrlr, &subsystem->ctrlrs, link) {
if (ctrlr->admin_qpair->group == group) { if (ctrlr->admin_qpair->group == group) {
nvmf_ctrlr_async_event_ns_notice(ctrlr); nvmf_ctrlr_async_event_ns_notice(ctrlr);
nvmf_ctrlr_async_event_ana_change_notice(ctrlr);
} }
} }
} }