diff options
Diffstat (limited to 'fs/btrfs/delayed-ref.h')
-rw-r--r-- | fs/btrfs/delayed-ref.h | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/fs/btrfs/delayed-ref.h b/fs/btrfs/delayed-ref.h index bf2916906bb8..167c4407c3c4 100644 --- a/fs/btrfs/delayed-ref.h +++ b/fs/btrfs/delayed-ref.h @@ -421,4 +421,23 @@ btrfs_delayed_data_ref_to_node(struct btrfs_delayed_data_ref *ref) return container_of(ref, struct btrfs_delayed_ref_node, data_ref); } +static inline u8 btrfs_ref_type(struct btrfs_ref *ref) +{ + ASSERT(ref->type == BTRFS_REF_DATA || ref->type == BTRFS_REF_METADATA); + + if (ref->type == BTRFS_REF_DATA) { + if (ref->parent) + return BTRFS_SHARED_DATA_REF_KEY; + else + return BTRFS_EXTENT_DATA_REF_KEY; + } else { + if (ref->parent) + return BTRFS_SHARED_BLOCK_REF_KEY; + else + return BTRFS_TREE_BLOCK_REF_KEY; + } + + return 0; +} + #endif |