diff options
Diffstat (limited to 'drivers/dax/pmem.c')
| -rw-r--r-- | drivers/dax/pmem.c | 22 |
1 files changed, 12 insertions, 10 deletions
diff --git a/drivers/dax/pmem.c b/drivers/dax/pmem.c index 033f49b31fdc..8d8c852ba8f2 100644 --- a/drivers/dax/pmem.c +++ b/drivers/dax/pmem.c @@ -16,7 +16,7 @@ #include <linux/pfn_t.h> #include "../nvdimm/pfn.h" #include "../nvdimm/nd.h" -#include "dax.h" +#include "device-dax.h" struct dax_pmem { struct device *dev; @@ -43,6 +43,7 @@ static void dax_pmem_percpu_exit(void *data) struct dax_pmem *dax_pmem = to_dax_pmem(ref); dev_dbg(dax_pmem->dev, "%s\n", __func__); + wait_for_completion(&dax_pmem->cmp); percpu_ref_exit(ref); } @@ -53,18 +54,16 @@ static void dax_pmem_percpu_kill(void *data) dev_dbg(dax_pmem->dev, "%s\n", __func__); percpu_ref_kill(ref); - wait_for_completion(&dax_pmem->cmp); } static int dax_pmem_probe(struct device *dev) { - int rc; void *addr; struct resource res; - struct dax_dev *dax_dev; + int rc, id, region_id; struct nd_pfn_sb *pfn_sb; + struct dev_dax *dev_dax; struct dax_pmem *dax_pmem; - struct nd_region *nd_region; struct nd_namespace_io *nsio; struct dax_region *dax_region; struct nd_namespace_common *ndns; @@ -123,19 +122,22 @@ static int dax_pmem_probe(struct device *dev) /* adjust the dax_region resource to the start of data */ res.start += le64_to_cpu(pfn_sb->dataoff); - nd_region = to_nd_region(dev->parent); - dax_region = alloc_dax_region(dev, nd_region->id, &res, + rc = sscanf(dev_name(&ndns->dev), "namespace%d.%d", ®ion_id, &id); + if (rc != 2) + return -EINVAL; + + dax_region = alloc_dax_region(dev, region_id, &res, le32_to_cpu(pfn_sb->align), addr, PFN_DEV|PFN_MAP); if (!dax_region) return -ENOMEM; /* TODO: support for subdividing a dax region... */ - dax_dev = devm_create_dax_dev(dax_region, &res, 1); + dev_dax = devm_create_dev_dax(dax_region, id, &res, 1); - /* child dax_dev instances now own the lifetime of the dax_region */ + /* child dev_dax instances now own the lifetime of the dax_region */ dax_region_put(dax_region); - return PTR_ERR_OR_ZERO(dax_dev); + return PTR_ERR_OR_ZERO(dev_dax); } static struct nd_device_driver dax_pmem_driver = { |