diff options
Diffstat (limited to 'drivers/nvdimm/pmem.c')
| -rw-r--r-- | drivers/nvdimm/pmem.c | 14 |
1 files changed, 6 insertions, 8 deletions
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c index 598fe2e89bda..1dd74c969d5a 100644 --- a/drivers/nvdimm/pmem.c +++ b/drivers/nvdimm/pmem.c @@ -455,6 +455,8 @@ static int pmem_attach_disk(struct device *dev, .logical_block_size = pmem_sector_size(ndns), .physical_block_size = PAGE_SIZE, .max_hw_sectors = UINT_MAX, + .features = BLK_FEAT_WRITE_CACHE | + BLK_FEAT_SYNCHRONOUS, }; int nid = dev_to_node(dev), fua; struct resource *res = &nsio->res; @@ -463,7 +465,6 @@ static int pmem_attach_disk(struct device *dev, struct dax_device *dax_dev; struct nd_pfn_sb *pfn_sb; struct pmem_device *pmem; - struct request_queue *q; struct gendisk *disk; void *addr; int rc; @@ -495,6 +496,10 @@ static int pmem_attach_disk(struct device *dev, dev_warn(dev, "unable to guarantee persistence of writes\n"); fua = 0; } + if (fua) + lim.features |= BLK_FEAT_FUA; + if (is_nd_pfn(dev)) + lim.features |= BLK_FEAT_DAX; if (!devm_request_mem_region(dev, res->start, resource_size(res), dev_name(&ndns->dev))) { @@ -505,7 +510,6 @@ static int pmem_attach_disk(struct device *dev, disk = blk_alloc_disk(&lim, nid); if (IS_ERR(disk)) return PTR_ERR(disk); - q = disk->queue; pmem->disk = disk; pmem->pgmap.owner = pmem; @@ -543,12 +547,6 @@ static int pmem_attach_disk(struct device *dev, } pmem->virt_addr = addr; - blk_queue_write_cache(q, true, fua); - blk_queue_flag_set(QUEUE_FLAG_NONROT, q); - blk_queue_flag_set(QUEUE_FLAG_SYNCHRONOUS, q); - if (pmem->pfn_flags & PFN_MAP) - blk_queue_flag_set(QUEUE_FLAG_DAX, q); - disk->fops = &pmem_fops; disk->private_data = pmem; nvdimm_namespace_disk_name(ndns, disk->disk_name); |