diff options
Diffstat (limited to 'drivers/nvdimm/pmem.c')
| -rw-r--r-- | drivers/nvdimm/pmem.c | 15 |
1 files changed, 2 insertions, 13 deletions
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index 012e0649f1ac..8ee79893d2f5 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -105,22 +105,11 @@ static long pmem_direct_access(struct block_device *bdev, sector_t sector, { struct pmem_device *pmem = bdev->bd_disk->private_data; resource_size_t offset = sector * 512 + pmem->data_offset; - resource_size_t size; - - if (pmem->data_offset) { - /* - * Limit the direct_access() size to what is covered by - * the memmap - */ - size = (pmem->size - offset) & ~ND_PFN_MASK; - } else - size = pmem->size - offset; - - /* FIXME convert DAX to comprehend that this mapping has a lifetime */ + *kaddr = pmem->virt_addr + offset; *pfn = (pmem->phys_addr + offset) >> PAGE_SHIFT; - return size; + return pmem->size - offset; } static const struct block_device_operations pmem_fops = { |