diff options
Diffstat (limited to 'drivers/nvdimm/pmem.c')
-rw-r--r-- | drivers/nvdimm/pmem.c | 40 |
1 files changed, 22 insertions, 18 deletions
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index f798899..2b51d4d 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -35,7 +35,6 @@ struct pmem_device { struct request_queue *pmem_queue; struct gendisk *pmem_disk; - struct nd_namespace_common *ndns; /* One contiguous memory region per device */ phys_addr_t phys_addr; @@ -436,9 +435,8 @@ static int nd_pfn_init(struct nd_pfn *nd_pfn) return -ENXIO; } -static int nvdimm_namespace_detach_pfn(struct nd_namespace_common *ndns) +static int nvdimm_namespace_detach_pfn(struct nd_pfn *nd_pfn) { - struct nd_pfn *nd_pfn = to_nd_pfn(ndns->claim); struct pmem_device *pmem; /* free pmem disk */ @@ -537,7 +535,7 @@ static int __nvdimm_namespace_attach_pfn(struct nd_pfn *nd_pfn) return rc; err: - nvdimm_namespace_detach_pfn(ndns); + nvdimm_namespace_detach_pfn(nd_pfn); return rc; } @@ -573,7 +571,6 @@ static int nd_pmem_probe(struct device *dev) if (IS_ERR(pmem)) return PTR_ERR(pmem); - pmem->ndns = ndns; dev_set_drvdata(dev, pmem); ndns->rw_bytes = pmem_rw_bytes; if (devm_init_badblocks(dev, &pmem->bb)) @@ -607,9 +604,9 @@ static int nd_pmem_remove(struct device *dev) struct pmem_device *pmem = dev_get_drvdata(dev); if (is_nd_btt(dev)) - nvdimm_namespace_detach_btt(pmem->ndns); + nvdimm_namespace_detach_btt(to_nd_btt(dev)); else if (is_nd_pfn(dev)) - nvdimm_namespace_detach_pfn(pmem->ndns); + nvdimm_namespace_detach_pfn(to_nd_pfn(dev)); else pmem_detach_disk(pmem); @@ -618,26 +615,33 @@ static int nd_pmem_remove(struct device *dev) 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; struct nd_region *nd_region = to_nd_region(dev->parent); - struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev); - struct resource res = { - .start = nsio->res.start + pmem->data_offset, - .end = nsio->res.end, - }; + struct pmem_device *pmem = dev_get_drvdata(dev); + resource_size_t offset = 0, end_trunc = 0; + struct nd_namespace_common *ndns; + struct nd_namespace_io *nsio; + struct resource res; if (event != NVDIMM_REVALIDATE_POISON) return; - if (is_nd_pfn(dev)) { + if (is_nd_btt(dev)) { + struct nd_btt *nd_btt = to_nd_btt(dev); + + ndns = nd_btt->ndns; + } else if (is_nd_pfn(dev)) { struct nd_pfn *nd_pfn = to_nd_pfn(dev); struct nd_pfn_sb *pfn_sb = nd_pfn->pfn_sb; - res.start += __le32_to_cpu(pfn_sb->start_pad); - res.end -= __le32_to_cpu(pfn_sb->end_trunc); - } + ndns = nd_pfn->ndns; + offset = pmem->data_offset + __le32_to_cpu(pfn_sb->start_pad); + end_trunc = __le32_to_cpu(pfn_sb->end_trunc); + } else + ndns = to_ndns(dev); + nsio = to_nd_namespace_io(&ndns->dev); + res.start = nsio->res.start + offset; + res.end = nsio->res.end - end_trunc; nvdimm_badblocks_populate(nd_region, &pmem->bb, &res); } |