block: add new genhd flag GENHD_FL_NVMEM

Add new flag to destinguish block devices which may act as an NVMEM provider. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
dangowrt · Aug 3, 2023 · 49b0975 · 49b0975
1 parent a9e4ed9
commit 49b0975
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
@@ -80,11 +80,13 @@ struct partition_meta_info {
  * ``GENHD_FL_NO_PART``: partition support is disabled.  The kernel will not
  * scan for partitions from add_disk, and users can't add partitions manually.
  *
+ * ``GENHD_FL_NVMEM``: the block device should be considered as NVMEM provider.
  */
 enum {
 	GENHD_FL_REMOVABLE			= 1 << 0,
 	GENHD_FL_HIDDEN				= 1 << 1,
 	GENHD_FL_NO_PART			= 1 << 2,
+	GENHD_FL_NVMEM				= 1 << 3,
 };
 
 enum {