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-rw-r--r--drivers/nvdimm/btt.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/drivers/nvdimm/btt.h b/drivers/nvdimm/btt.h
index 09fabf5a5590..2bc0d10b8438 100644
--- a/drivers/nvdimm/btt.h
+++ b/drivers/nvdimm/btt.h
@@ -108,6 +108,7 @@ struct aligned_lock {
* handle incoming writes.
* @version_major: Metadata layout version major.
* @version_minor: Metadata layout version minor.
+ * @sector_size: The Linux sector size - 512 or 4096
* @nextoff: Offset in bytes to the start of the next arena.
* @infooff: Offset in bytes to the info block of this arena.
* @dataoff: Offset in bytes to the data area of this arena.
@@ -135,6 +136,7 @@ struct arena_info {
u32 nfree;
u16 version_major;
u16 version_minor;
+ u32 sector_size;
/* Byte offsets to the different on-media structures */
u64 nextoff;
u64 infooff;

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