Merge branch 'linux-4.4' of git://anongit.freedesktop.org/git/nouveau/linux-2.6 into...

[firefly-linux-kernel-4.4.55.git] / drivers / nvdimm / pmem.c

diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 349f03e7ed064f20dfaf8d25bd0d62f83d829d79..8ee79893d2f5f6f5165558baa22f236738b99c45 100644 (file)
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -64,7 +64,7 @@ static void pmem_do_bvec(struct pmem_device *pmem, struct page *page,
        kunmap_atomic(mem);
 }
 
-static void pmem_make_request(struct request_queue *q, struct bio *bio)
+static blk_qc_t pmem_make_request(struct request_queue *q, struct bio *bio)
 {
        bool do_acct;
        unsigned long start;
@@ -84,6 +84,7 @@ static void pmem_make_request(struct request_queue *q, struct bio *bio)
                wmb_pmem();
 
        bio_endio(bio);
+       return BLK_QC_T_NONE;
 }
 
 static int pmem_rw_page(struct block_device *bdev, sector_t sector,
@@ -104,22 +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 = {