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-rw-r--r--drivers/nvdimm/Kconfig2
-rw-r--r--drivers/nvdimm/btt.c14
-rw-r--r--drivers/nvdimm/bus.c2
-rw-r--r--drivers/nvdimm/pmem.c37
4 files changed, 30 insertions, 25 deletions
diff --git a/drivers/nvdimm/Kconfig b/drivers/nvdimm/Kconfig
index 77b06d54cc..fde3e17c83 100644
--- a/drivers/nvdimm/Kconfig
+++ b/drivers/nvdimm/Kconfig
@@ -24,7 +24,7 @@ config BLK_DEV_PMEM
select ND_PFN if NVDIMM_PFN
help
Memory ranges for PMEM are described by either an NFIT
- (NVDIMM Firmware Interface Table, see CONFIG_NFIT_ACPI), a
+ (NVDIMM Firmware Interface Table, see CONFIG_ACPI_NFIT), a
non-standard OEM-specific E820 memory type (type-12, see
CONFIG_X86_PMEM_LEGACY), or it is manually specified by the
'memmap=nn[KMG]!ss[KMG]' kernel command line (see
diff --git a/drivers/nvdimm/btt.c b/drivers/nvdimm/btt.c
index bb3726b622..4d0c527e85 100644
--- a/drivers/nvdimm/btt.c
+++ b/drivers/nvdimm/btt.c
@@ -1496,19 +1496,21 @@ static int btt_blk_init(struct btt *btt)
{
struct nd_btt *nd_btt = btt->nd_btt;
struct nd_namespace_common *ndns = nd_btt->ndns;
- int rc = -ENOMEM;
+ struct queue_limits lim = {
+ .logical_block_size = btt->sector_size,
+ .max_hw_sectors = UINT_MAX,
+ };
+ int rc;
- btt->btt_disk = blk_alloc_disk(NUMA_NO_NODE);
- if (!btt->btt_disk)
- return -ENOMEM;
+ btt->btt_disk = blk_alloc_disk(&lim, NUMA_NO_NODE);
+ if (IS_ERR(btt->btt_disk))
+ return PTR_ERR(btt->btt_disk);
nvdimm_namespace_disk_name(ndns, btt->btt_disk->disk_name);
btt->btt_disk->first_minor = 0;
btt->btt_disk->fops = &btt_fops;
btt->btt_disk->private_data = btt;
- blk_queue_logical_block_size(btt->btt_disk->queue, btt->sector_size);
- blk_queue_max_hw_sectors(btt->btt_disk->queue, UINT_MAX);
blk_queue_flag_set(QUEUE_FLAG_NONROT, btt->btt_disk->queue);
blk_queue_flag_set(QUEUE_FLAG_SYNCHRONOUS, btt->btt_disk->queue);
diff --git a/drivers/nvdimm/bus.c b/drivers/nvdimm/bus.c
index ef3d0f8331..508aed017d 100644
--- a/drivers/nvdimm/bus.c
+++ b/drivers/nvdimm/bus.c
@@ -271,7 +271,7 @@ EXPORT_SYMBOL_GPL(nvdimm_clear_poison);
static int nvdimm_bus_match(struct device *dev, struct device_driver *drv);
-static struct bus_type nvdimm_bus_type = {
+static const struct bus_type nvdimm_bus_type = {
.name = "nd",
.uevent = nvdimm_bus_uevent,
.match = nvdimm_bus_match,
diff --git a/drivers/nvdimm/pmem.c b/drivers/nvdimm/pmem.c
index 4e8fdcb3f1..598fe2e89b 100644
--- a/drivers/nvdimm/pmem.c
+++ b/drivers/nvdimm/pmem.c
@@ -451,6 +451,11 @@ static int pmem_attach_disk(struct device *dev,
{
struct nd_namespace_io *nsio = to_nd_namespace_io(&ndns->dev);
struct nd_region *nd_region = to_nd_region(dev->parent);
+ struct queue_limits lim = {
+ .logical_block_size = pmem_sector_size(ndns),
+ .physical_block_size = PAGE_SIZE,
+ .max_hw_sectors = UINT_MAX,
+ };
int nid = dev_to_node(dev), fua;
struct resource *res = &nsio->res;
struct range bb_range;
@@ -497,9 +502,9 @@ static int pmem_attach_disk(struct device *dev,
return -EBUSY;
}
- disk = blk_alloc_disk(nid);
- if (!disk)
- return -ENOMEM;
+ disk = blk_alloc_disk(&lim, nid);
+ if (IS_ERR(disk))
+ return PTR_ERR(disk);
q = disk->queue;
pmem->disk = disk;
@@ -539,9 +544,6 @@ static int pmem_attach_disk(struct device *dev,
pmem->virt_addr = addr;
blk_queue_write_cache(q, true, fua);
- blk_queue_physical_block_size(q, PAGE_SIZE);
- blk_queue_logical_block_size(q, pmem_sector_size(ndns));
- blk_queue_max_hw_sectors(q, UINT_MAX);
blk_queue_flag_set(QUEUE_FLAG_NONROT, q);
blk_queue_flag_set(QUEUE_FLAG_SYNCHRONOUS, q);
if (pmem->pfn_flags & PFN_MAP)
@@ -560,18 +562,19 @@ static int pmem_attach_disk(struct device *dev,
dax_dev = alloc_dax(pmem, &pmem_dax_ops);
if (IS_ERR(dax_dev)) {
rc = PTR_ERR(dax_dev);
- goto out;
+ if (rc != -EOPNOTSUPP)
+ goto out;
+ } else {
+ set_dax_nocache(dax_dev);
+ set_dax_nomc(dax_dev);
+ if (is_nvdimm_sync(nd_region))
+ set_dax_synchronous(dax_dev);
+ pmem->dax_dev = dax_dev;
+ rc = dax_add_host(dax_dev, disk);
+ if (rc)
+ goto out_cleanup_dax;
+ dax_write_cache(dax_dev, nvdimm_has_cache(nd_region));
}
- set_dax_nocache(dax_dev);
- set_dax_nomc(dax_dev);
- if (is_nvdimm_sync(nd_region))
- set_dax_synchronous(dax_dev);
- rc = dax_add_host(dax_dev, disk);
- if (rc)
- goto out_cleanup_dax;
- dax_write_cache(dax_dev, nvdimm_has_cache(nd_region));
- pmem->dax_dev = dax_dev;
-
rc = device_add_disk(dev, disk, pmem_attribute_groups);
if (rc)
goto out_remove_host;