Commit 10feaff2 authored by Jim Harris's avatar Jim Harris
Browse files

nvme: only process io_msg in primary process 



The io_msg qpair is allocated and managed by the
primary process, so don't try polling it from
secondary processes.

This fixes a bug where an SPDK target has configured
cuse, and we try to run fio (for example) as a
secondary process.

Signed-off-by: default avatarJim Harris <james.r.harris@intel.com>
Change-Id: I48e2b89597196ce2ba1fc02ea3a7c76c5a33281a

Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7482


Reviewed-by: default avatarBen Walker <benjamin.walker@intel.com>
Reviewed-by: default avatarShuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
Reviewed-by: default avatar <dongx.yi@intel.com>
Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
parent f69367c7

lib/nvme/nvme_io_msg.c

+4 −0
Original line number Diff line number Diff line
@@ -87,6 +87,10 @@ nvme_io_msg_process(struct spdk_nvme_ctrlr *ctrlr) 
		return 0;

	}



	if (!spdk_process_is_primary()) {

		return 0;

	}



	spdk_nvme_qpair_process_completions(ctrlr->external_io_msgs_qpair, 0);



	count = spdk_ring_dequeue(ctrlr->external_io_msgs, requests,