diff options
Diffstat (limited to 'ctree.h')
-rw-r--r-- | ctree.h | 5 |
1 files changed, 4 insertions, 1 deletions
@@ -85,6 +85,9 @@ struct btrfs_free_space_ctl; /* tracks free space in block groups. */ #define BTRFS_FREE_SPACE_TREE_OBJECTID 10ULL +/* device stats in the device tree */ +#define BTRFS_DEV_STATS_OBJECTID 0ULL + /* for storing balance parameters in the root tree */ #define BTRFS_BALANCE_OBJECTID -4ULL @@ -1244,7 +1247,7 @@ struct btrfs_root { * * - device statistics, store IO stats in the device tree, one key for all * stats - * (0, BTRFS_DEV_STATS_KEY, 0) + * (BTRFS_DEV_STATS_OBJECTID, BTRFS_DEV_STATS_KEY, 0) */ #define BTRFS_PERSISTENT_ITEM_KEY 249 |