diff options
Diffstat (limited to 'drivers/nvdimm/region.c')
| -rw-r--r-- | drivers/nvdimm/region.c | 17 |
1 files changed, 15 insertions, 2 deletions
diff --git a/drivers/nvdimm/region.c b/drivers/nvdimm/region.c index 869a886c292e..034f0a07d627 100644 --- a/drivers/nvdimm/region.c +++ b/drivers/nvdimm/region.c @@ -58,10 +58,14 @@ static int nd_region_probe(struct device *dev) if (devm_init_badblocks(dev, &nd_region->bb)) return -ENODEV; + nd_region->bb_state = sysfs_get_dirent(nd_region->dev.kobj.sd, + "badblocks"); + if (!nd_region->bb_state) + dev_warn(&nd_region->dev, + "'badblocks' notification disabled\n"); ndr_res.start = nd_region->ndr_start; ndr_res.end = nd_region->ndr_start + nd_region->ndr_size - 1; - nvdimm_badblocks_populate(nd_region, - &nd_region->bb, &ndr_res); + nvdimm_badblocks_populate(nd_region, &nd_region->bb, &ndr_res); } nd_region->btt_seed = nd_btt_create(nd_region); @@ -105,6 +109,13 @@ static int nd_region_remove(struct device *dev) dev_set_drvdata(dev, NULL); nvdimm_bus_unlock(dev); + /* + * Note, this assumes device_lock() context to not race + * nd_region_notify() + */ + sysfs_put(nd_region->bb_state); + nd_region->bb_state = NULL; + return 0; } @@ -126,6 +137,8 @@ static void nd_region_notify(struct device *dev, enum nvdimm_event event) nd_region->ndr_size - 1; nvdimm_badblocks_populate(nd_region, &nd_region->bb, &res); + if (nd_region->bb_state) + sysfs_notify_dirent(nd_region->bb_state); } } device_for_each_child(dev, &event, child_notify); |