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libnvdimm, pmem: flush posted-write queues on shutdown

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Commit writes to media on system shutdown or pmem driver unload.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams
2016-07-09 00:12:52 -07:00
parent 7e267a8c79
commit 476f848aae
3 changed files with 25 additions and 0 deletions
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8
drivers/nvdimm/pmem.c
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@@ -349,9 +349,16 @@ static int nd_pmem_remove(struct device *dev)
{
if (is_nd_btt(dev))
nvdimm_namespace_detach_btt(to_nd_btt(dev));
nvdimm_flush(to_nd_region(dev->parent));
return 0;
}
static void nd_pmem_shutdown(struct device *dev)
{
nvdimm_flush(to_nd_region(dev->parent));
}
static void nd_pmem_notify(struct device *dev, enum nvdimm_event event)
{
struct pmem_device *pmem = dev_get_drvdata(dev);
@@ -391,6 +398,7 @@ static struct nd_device_driver nd_pmem_driver = {
.probe = nd_pmem_probe,
.remove = nd_pmem_remove,
.notify = nd_pmem_notify,
.shutdown = nd_pmem_shutdown,
.drv = {
.name = "nd_pmem",
},