diff options
| author | Dan Williams <dan.j.williams@intel.com> | 2016-02-18 10:29:49 -0800 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2016-03-05 12:24:06 -0800 |
| commit | 719994660c249a086a7493205c7f1562e30c38cb (patch) | |
| tree | c45b589901ab8e779e8b6b423c63ba45475991fc /drivers/nvdimm/pmem.c | |
| parent | 5faecf4eb0d7d67e809a4bc9059c764c27670832 (diff) | |
| download | linux-719994660c249a086a7493205c7f1562e30c38cb.tar.bz2 | |
libnvdimm: async notification support
In preparation for asynchronous address range scrub support add an
ability for the pmem driver to dynamically consume address range scrub
results.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/nvdimm/pmem.c')
| -rw-r--r-- | drivers/nvdimm/pmem.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index 8d0b54670184..efc2a5e671c6 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -488,12 +488,27 @@ static int nd_pmem_remove(struct device *dev) return 0; } +static void nd_pmem_notify(struct device *dev, enum nvdimm_event event) +{ + struct pmem_device *pmem = dev_get_drvdata(dev); + struct nd_namespace_common *ndns = pmem->ndns; + + if (event != NVDIMM_REVALIDATE_POISON) + return; + + if (is_nd_btt(dev)) + nvdimm_namespace_add_poison(ndns, &pmem->bb, 0); + else + nvdimm_namespace_add_poison(ndns, &pmem->bb, pmem->data_offset); +} + MODULE_ALIAS("pmem"); MODULE_ALIAS_ND_DEVICE(ND_DEVICE_NAMESPACE_IO); MODULE_ALIAS_ND_DEVICE(ND_DEVICE_NAMESPACE_PMEM); static struct nd_device_driver nd_pmem_driver = { .probe = nd_pmem_probe, .remove = nd_pmem_remove, + .notify = nd_pmem_notify, .drv = { .name = "nd_pmem", }, |