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authorDan Williams <dan.j.williams@intel.com>2016-03-18 11:27:36 -0700
committerDan Williams <dan.j.williams@intel.com>2016-04-22 12:26:23 -0700
commit9d90725ddca347450c4ab177ad680ed76063afd4 (patch)
tree6658dda356e6868ab912534a6135397c3d4dedc0 /include/linux/nd.h
parent8378af17a4021f01b3bed20c1bd19c3921c1f5ac (diff)
downloadop-kernel-dev-9d90725ddca347450c4ab177ad680ed76063afd4.zip
op-kernel-dev-9d90725ddca347450c4ab177ad680ed76063afd4.tar.gz
libnvdimm, blk: move i/o infrastructure to nd_namespace_blk
Consolidate the information for issuing i/o to a blk-namespace, and eliminate some pointer chasing. Reviewed-by: Johannes Thumshirn <jthumshirn@suse.de> Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'include/linux/nd.h')
-rw-r--r--include/linux/nd.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/include/linux/nd.h b/include/linux/nd.h
index 5489ab7..5ea4aec 100644
--- a/include/linux/nd.h
+++ b/include/linux/nd.h
@@ -82,6 +82,7 @@ struct nd_namespace_pmem {
* @uuid: namespace name supplied in the dimm label
* @id: ida allocated id
* @lbasize: blk namespaces have a native sector size when btt not present
+ * @size: sum of all the resource ranges allocated to this namespace
* @num_resources: number of dpa extents to claim
* @res: discontiguous dpa extents for given dimm
*/
@@ -91,6 +92,7 @@ struct nd_namespace_blk {
u8 *uuid;
int id;
unsigned long lbasize;
+ resource_size_t size;
int num_resources;
struct resource **res;
};
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