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vhost/nvme: fix vhost-nvme target with session feature

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Existing specific vhost socket messages for vhost-nvme target
will get some information from backend target before start_session
call, so we should iterate the associated nvme controller by vid
but not session.

Fix issue #628.

Change-Id: Ia400bf33895a0feee0058a870f26b0ff72b7556f
Signed-off-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-on: https://review.gerrithub.io/c/442498
Reviewed-by: Ziye Yang <optimistyzy@gmail.com>
Reviewed-by: Liang Yan <liang.z.yan@intel.com>
Reviewed-by: Darek Stojaczyk <dariusz.stojaczyk@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
This commit is contained in:
Changpeng Liu 2019-01-28 22:08:51 -05:00
parent ec2e259402
commit f2b480cc24
1 changed files with 8 additions and 2 deletions
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8
lib/vhost/vhost_nvme.c
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@ -894,12 +894,17 @@ static struct spdk_vhost_nvme_dev *
spdk_vhost_nvme_get_by_name(int vid)
{
struct spdk_vhost_nvme_dev *nvme;
struct spdk_vhost_dev *vdev;
struct spdk_vhost_session *vsession;
TAILQ_FOREACH(nvme, &g_nvme_ctrlrs, tailq) {
if (nvme->vsession != NULL && nvme->vsession->vid == vid) {
vdev = &nvme->vdev;
TAILQ_FOREACH(vsession, &vdev->vsessions, tailq) {
if (vsession->vid == vid) {
return nvme;
}
}
}
return NULL;
}
@ -1096,6 +1101,7 @@ spdk_vhost_nvme_start_cb(struct spdk_vhost_dev *vdev,
}
}
nvme->vsession = vsession;
/* Start the NVMe Poller */
nvme->requestq_poller = spdk_poller_register(nvme_worker, nvme, 0);