Signed-off-by: Stefan Behrens <sbehr...@giantdisaster.de>
---
btrfs-show-super.c | 2 ++
ctree.h | 5 ++++-
2 files changed, 6 insertions(+), 1 deletion(-)
diff --git a/btrfs-show-super.c b/btrfs-show-super.c
index f587f10..c815469 100644
--- a/btrfs-show-super.c
+++ b/btrfs-show-super.c
@@ -247,6 +247,8 @@ static void dump_superblock(struct btrfs_super_block *sb)
(unsigned long long)btrfs_super_csum_size(sb));
printf("cache_generation\t%llu\n",
(unsigned long long)btrfs_super_cache_generation(sb));
+ printf("uuid_tree_generation\t%llu\n",
+ (unsigned long long)btrfs_super_uuid_tree_generation(sb));
uuid_unparse(sb->dev_item.uuid, buf);
printf("dev_item.uuid\t\t%s\n", buf);
diff --git a/ctree.h b/ctree.h
index e36cb17..cf068b1 100644
--- a/ctree.h
+++ b/ctree.h
@@ -437,9 +437,10 @@ struct btrfs_super_block {
char label[BTRFS_LABEL_SIZE];
__le64 cache_generation;
+ __le64 uuid_tree_generation;
/* future expansion */
- __le64 reserved[31];
+ __le64 reserved[30];
u8 sys_chunk_array[BTRFS_SYSTEM_CHUNK_ARRAY_SIZE];
struct btrfs_root_backup super_roots[BTRFS_NUM_BACKUP_ROOTS];
} __attribute__ ((__packed__));
@@ -1941,6 +1942,8 @@ BTRFS_SETGET_STACK_FUNCS(super_csum_type, struct
btrfs_super_block,
csum_type, 16);
BTRFS_SETGET_STACK_FUNCS(super_cache_generation, struct btrfs_super_block,
cache_generation, 64);
+BTRFS_SETGET_STACK_FUNCS(super_uuid_tree_generation, struct btrfs_super_block,
+ uuid_tree_generation, 64);
static inline int btrfs_super_csum_size(struct btrfs_super_block *s)
{
--
1.8.2.3
--
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