diff options
Diffstat (limited to 'drivers/nvdimm/dimm_devs.c')
| -rw-r--r-- | drivers/nvdimm/dimm_devs.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/nvdimm/dimm_devs.c b/drivers/nvdimm/dimm_devs.c index 1273873582..21498d461f 100644 --- a/drivers/nvdimm/dimm_devs.c +++ b/drivers/nvdimm/dimm_devs.c @@ -53,7 +53,9 @@ static int validate_dimm(struct nvdimm_drvdata *ndd) /** * nvdimm_init_nsarea - determine the geometry of a dimm's namespace area - * @nvdimm: dimm to initialize + * @ndd: dimm to initialize + * + * Returns: %0 if the area is already valid, -errno on error */ int nvdimm_init_nsarea(struct nvdimm_drvdata *ndd) { @@ -194,7 +196,7 @@ static void nvdimm_release(struct device *dev) { struct nvdimm *nvdimm = to_nvdimm(dev); - ida_simple_remove(&dimm_ida, nvdimm->id); + ida_free(&dimm_ida, nvdimm->id); kfree(nvdimm); } @@ -592,7 +594,7 @@ struct nvdimm *__nvdimm_create(struct nvdimm_bus *nvdimm_bus, if (!nvdimm) return NULL; - nvdimm->id = ida_simple_get(&dimm_ida, 0, 0, GFP_KERNEL); + nvdimm->id = ida_alloc(&dimm_ida, GFP_KERNEL); if (nvdimm->id < 0) { kfree(nvdimm); return NULL; @@ -722,6 +724,9 @@ static unsigned long dpa_align(struct nd_region *nd_region) * contiguous unallocated dpa range. * @nd_region: constrain available space check to this reference region * @nd_mapping: container of dpa-resource-root + labels + * + * Returns: %0 if there is an alignment error, otherwise the max + * unallocated dpa range */ resource_size_t nd_pmem_max_contiguous_dpa(struct nd_region *nd_region, struct nd_mapping *nd_mapping) @@ -767,6 +772,8 @@ resource_size_t nd_pmem_max_contiguous_dpa(struct nd_region *nd_region, * * Validate that a PMEM label, if present, aligns with the start of an * interleave set. + * + * Returns: %0 if there is an alignment error, otherwise the unallocated dpa */ resource_size_t nd_pmem_available_dpa(struct nd_region *nd_region, struct nd_mapping *nd_mapping) @@ -836,8 +843,10 @@ struct resource *nvdimm_allocate_dpa(struct nvdimm_drvdata *ndd, /** * nvdimm_allocated_dpa - sum up the dpa currently allocated to this label_id - * @nvdimm: container of dpa-resource-root + labels + * @ndd: container of dpa-resource-root + labels * @label_id: dpa resource name of the form pmem-<human readable uuid> + * + * Returns: sum of the dpa allocated to the label_id */ resource_size_t nvdimm_allocated_dpa(struct nvdimm_drvdata *ndd, struct nd_label_id *label_id) |