diff options
Diffstat (limited to 'ctree.h')
| -rw-r--r-- | ctree.h | 15 |
1 files changed, 13 insertions, 2 deletions
@@ -98,7 +98,7 @@ struct btrfs_header { #define BTRFS_MAX_LEVEL 8 #define BTRFS_NODEPTRS_PER_BLOCK(r) (((r)->nodesize - \ sizeof(struct btrfs_header)) / \ - (sizeof(struct btrfs_disk_key) + sizeof(u64))) + sizeof(struct btrfs_key_ptr)) #define __BTRFS_LEAF_DATA_SIZE(bs) ((bs) - sizeof(struct btrfs_header)) #define BTRFS_LEAF_DATA_SIZE(r) (__BTRFS_LEAF_DATA_SIZE(r->leafsize)) #define BTRFS_MAX_INLINE_DATA_SIZE(r) (BTRFS_LEAF_DATA_SIZE(r) - \ @@ -156,6 +156,7 @@ struct btrfs_leaf { struct btrfs_key_ptr { struct btrfs_disk_key key; __le64 blockptr; + __le64 generation; } __attribute__ ((__packed__)); struct btrfs_node { @@ -562,13 +563,23 @@ static inline u64 btrfs_node_blockptr(struct btrfs_node *n, int nr) return le64_to_cpu(n->ptrs[nr].blockptr); } - static inline void btrfs_set_node_blockptr(struct btrfs_node *n, int nr, u64 val) { n->ptrs[nr].blockptr = cpu_to_le64(val); } +static inline u64 btrfs_node_ptr_generation(struct btrfs_node *n, int nr) +{ + return le64_to_cpu(n->ptrs[nr].generation); +} + +static inline void btrfs_set_node_ptr_generation(struct btrfs_node *n, int nr, + u64 val) +{ + n->ptrs[nr].generation = cpu_to_le64(val); +} + static inline u32 btrfs_item_offset(struct btrfs_item *item) { return le32_to_cpu(item->offset); |