[PATCH v4 05/28] dax: Document dax dev range tuple

Ira Weiny
2024-10-07T23:16:29Z

The device DAX structure is being enhanced to track additional DCD
information.

The current range tuple was not fully documented. Document it prior to
adding information for DC.

Suggested-by: Jonathan Cameron <Jonathan.Cameron@huawei.com>
Signed-off-by: Ira Weiny <ira.weiny@intel.com>

---
Changes:
[iweiny: move to start of series]
---
drivers/dax/dax-private.h | 5 ++++-
1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/drivers/dax/dax-private.h b/drivers/dax/dax-private.h
index 446617b73aea..ccde98c3d4e2 100644
--- a/drivers/dax/dax-private.h
+++ b/drivers/dax/dax-private.h
@@ -58,7 +58,10 @@ struct dax_mapping {
* @dev - device core
* @pgmap - pgmap for memmap setup / lifetime (driver owned)
* @nr_range: size of @ranges
- * @ranges: resource-span + pgoff tuples for the instance
+ * @ranges: range tuples of memory used
+ * @pgoff: page offset
+ * @range: resource-span
+ * @mapping: device to assist in interrogating the range layout
*/
struct dev_dax {
struct dax_region *region;

--
2.46.0