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path: root/drivers/md/dm-vdo/indexer/index-layout.c
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Diffstat (limited to 'drivers/md/dm-vdo/indexer/index-layout.c')
-rw-r--r--drivers/md/dm-vdo/indexer/index-layout.c5
1 files changed, 3 insertions, 2 deletions
diff --git a/drivers/md/dm-vdo/indexer/index-layout.c b/drivers/md/dm-vdo/indexer/index-layout.c
index af8fab83b0f3..61edf2b72427 100644
--- a/drivers/md/dm-vdo/indexer/index-layout.c
+++ b/drivers/md/dm-vdo/indexer/index-layout.c
@@ -54,7 +54,6 @@
* Each save also has a unique nonce.
*/
-#define MAGIC_SIZE 32
#define NONCE_INFO_SIZE 32
#define MAX_SAVES 2
@@ -98,9 +97,11 @@ enum region_type {
#define SUPER_VERSION_CURRENT 3
#define SUPER_VERSION_MAXIMUM 7
-static const u8 LAYOUT_MAGIC[MAGIC_SIZE] = "*ALBIREO*SINGLE*FILE*LAYOUT*001*";
+static const u8 LAYOUT_MAGIC[] = "*ALBIREO*SINGLE*FILE*LAYOUT*001*";
static const u64 REGION_MAGIC = 0x416c6252676e3031; /* 'AlbRgn01' */
+#define MAGIC_SIZE (sizeof(LAYOUT_MAGIC) - 1)
+
struct region_header {
u64 magic;
u64 region_blocks;