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libnvdimm, region: move region-mapping input-paramters to nd_mapping_desc

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Before we add more libnvdimm-private fields to nd_mapping make it clear
which parameters are input vs libnvdimm internals. Use struct
nd_mapping_desc instead of struct nd_mapping in nd_region_desc and make
struct nd_mapping private to libnvdimm.

Signed-off-by: Dan Williams <dan.j.williams@intel.com>
This commit is contained in:
Dan Williams 2016-09-19 16:38:50 -07:00
parent e046114af5
commit 44c462eb9e
4 changed files with 45 additions and 40 deletions
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25
include/linux/libnvdimm.h
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@ -50,23 +50,6 @@ typedef int (*ndctl_fn)(struct nvdimm_bus_descriptor *nd_desc,
struct nvdimm *nvdimm, unsigned int cmd, void *buf,
unsigned int buf_len, int *cmd_rc);
struct nd_namespace_label;
struct nvdimm_drvdata;
struct nd_mapping {
struct nvdimm *nvdimm;
struct nd_namespace_label **labels;
u64 start;
u64 size;
/*
* @ndd is for private use at region enable / disable time for
* get_ndd() + put_ndd(), all other nd_mapping to ndd
* conversions use to_ndd() which respects enabled state of the
* nvdimm.
*/
struct nvdimm_drvdata *ndd;
};
struct nvdimm_bus_descriptor {
const struct attribute_group **attr_groups;
unsigned long cmd_mask;
@ -89,9 +72,15 @@ struct nd_interleave_set {
u64 cookie;
};
struct nd_mapping_desc {
struct nvdimm *nvdimm;
u64 start;
u64 size;
};
struct nd_region_desc {
struct resource *res;
struct nd_mapping *nd_mapping;
struct nd_mapping_desc *mapping;
u16 num_mappings;
const struct attribute_group **attr_groups;
struct nd_interleave_set *nd_set;