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| author | Dave Jiang <dave.jiang@intel.com> | 2017-04-07 15:33:20 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2017-04-12 21:56:42 -0700 |
| commit | 6a6bef90425e8cba7c53919d923240559b7f247c (patch) | |
| tree | 4ba907c618208b79cb19296353edd1c4011de773 /drivers/nvdimm/region_devs.c | |
| parent | 3c87f372695592bf86e9dab7b1ec7d439fda577b (diff) | |
| download | talos-op-linux-6a6bef90425e8cba7c53919d923240559b7f247c.tar.gz talos-op-linux-6a6bef90425e8cba7c53919d923240559b7f247c.zip | |
libnvdimm: add mechanism to publish badblocks at the region level
badblocks sysfs file will be export at region level. When nvdimm event
notifier happens for NVDIMM_REVALIATE_POISON, the badblocks in the
region will be updated.
Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de>
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'drivers/nvdimm/region_devs.c')
| -rw-r--r-- | drivers/nvdimm/region_devs.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index b7cb5066d961..3500fc84d939 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -448,6 +448,21 @@ static ssize_t read_only_store(struct device *dev, } static DEVICE_ATTR_RW(read_only); +static ssize_t nd_badblocks_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct nd_region *nd_region = to_nd_region(dev); + + return badblocks_show(&nd_region->bb, buf, 0); +} +static struct device_attribute dev_attr_nd_badblocks = { + .attr = { + .name = "badblocks", + .mode = S_IRUGO + }, + .show = nd_badblocks_show, +}; + static struct attribute *nd_region_attributes[] = { &dev_attr_size.attr, &dev_attr_nstype.attr, @@ -460,6 +475,7 @@ static struct attribute *nd_region_attributes[] = { &dev_attr_available_size.attr, &dev_attr_namespace_seed.attr, &dev_attr_init_namespaces.attr, + &dev_attr_nd_badblocks.attr, NULL, }; @@ -476,6 +492,9 @@ static umode_t region_visible(struct kobject *kobj, struct attribute *a, int n) if (!is_nd_pmem(dev) && a == &dev_attr_dax_seed.attr) return 0; + if (!is_nd_pmem(dev) && a == &dev_attr_nd_badblocks.attr) + return 0; + if (a != &dev_attr_set_cookie.attr && a != &dev_attr_available_size.attr) return a->mode; |
