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qemu: add pmem flag to memory-backend-file

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According to QEMU's nvdimm documentation: When 'pmem' is 'on' and QEMU is
built with libpmem support, QEMU will take necessary operations to guarantee
the persistence of its own writes to the vNVDIMM backend.

Signed-off-by: Julio Montes <julio.montes@intel.com>
This commit is contained in:
Julio Montes
2020-02-21 15:34:53 +00:00
parent 3700c55dd7
commit 5378725f11
2 changed files with 17 additions and 3 deletions
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7
qemu/qmp_test.go
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@@ -1617,7 +1617,12 @@ func TestExecuteNVDIMMDeviceAdd(t *testing.T) {
cfg := QMPConfig{Logger: qmpTestLogger{}}
q := startQMPLoop(buf, cfg, connectedCh, disconnectedCh)
checkVersion(t, connectedCh)
err := q.ExecuteNVDIMMDeviceAdd(context.Background(), "nvdimm0", "/dev/rbd0", 1024)
q.version = &QMPVersion{
Major: 4,
Minor: 1,
}
pmem := true
err := q.ExecuteNVDIMMDeviceAdd(context.Background(), "nvdimm0", "/dev/rbd0", 1024, &pmem)
if err != nil {
t.Fatalf("Unexpected error: %v", err)
}