diff options
Diffstat (limited to 'drivers/nvdimm/region_devs.c')
| -rw-r--r-- | drivers/nvdimm/region_devs.c | 24 |
1 files changed, 7 insertions, 17 deletions
diff --git a/drivers/nvdimm/region_devs.c b/drivers/nvdimm/region_devs.c index ccbb5b43b8b2..ef23119db574 100644 --- a/drivers/nvdimm/region_devs.c +++ b/drivers/nvdimm/region_devs.c @@ -605,7 +605,7 @@ static ssize_t resource_show(struct device *dev, return sprintf(buf, "%#llx\n", nd_region->ndr_start); } -static DEVICE_ATTR(resource, 0400, resource_show, NULL); +static DEVICE_ATTR_ADMIN_RO(resource); static ssize_t persistence_domain_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -679,18 +679,8 @@ static umode_t region_visible(struct kobject *kobj, struct attribute *a, int n) return a->mode; } - if (a == &dev_attr_align.attr) { - int i; - - for (i = 0; i < nd_region->ndr_mappings; i++) { - struct nd_mapping *nd_mapping = &nd_region->mapping[i]; - struct nvdimm *nvdimm = nd_mapping->nvdimm; - - if (test_bit(NDD_LABELING, &nvdimm->flags)) - return a->mode; - } - return 0; - } + if (a == &dev_attr_align.attr) + return a->mode; if (a != &dev_attr_set_cookie.attr && a != &dev_attr_available_size.attr) @@ -1216,13 +1206,13 @@ int generic_nvdimm_flush(struct nd_region *nd_region) idx = this_cpu_add_return(flush_idx, hash_32(current->pid + idx, 8)); /* - * The first wmb() is needed to 'sfence' all previous writes - * such that they are architecturally visible for the platform - * buffer flush. Note that we've already arranged for pmem + * The pmem_wmb() is needed to 'sfence' all + * previous writes such that they are architecturally visible for + * the platform buffer flush. Note that we've already arranged for pmem * writes to avoid the cache via memcpy_flushcache(). The final * wmb() ensures ordering for the NVDIMM flush write. */ - wmb(); + pmem_wmb(); for (i = 0; i < nd_region->ndr_mappings; i++) if (ndrd_get_flush_wpq(ndrd, i, 0)) writeq(1, ndrd_get_flush_wpq(ndrd, i, idx)); |