crimson/os/seastore: add OBJ_ADDR_MAX, NULL

Signed-off-by: Samuel Just <sjust@redhat.com>

diff --git a/src/crimson/os/seastore/seastore_types.h b/src/crimson/os/seastore/seastore_types.h
index 3272712dc4f4874d8fb01284b8c34d0bb8cc6777..b56b51450e8dcd4c3a9fe78779453435407bb24d 100644 (file)
--- a/src/crimson/os/seastore/seastore_types.h
+++ b/src/crimson/os/seastore/seastore_types.h
@@ -195,6 +195,8 @@ struct __attribute((packed)) paddr_le_t {
 std::ostream &operator<<(std::ostream &out, const paddr_t &rhs);
 
 using objaddr_t = uint32_t;
+constexpr objaddr_t OBJ_ADDR_MAX = std::numeric_limits<objaddr_t>::max();
+constexpr objaddr_t OBJ_ADDR_NULL = OBJ_ADDR_MAX - 1;
 
 /* Monotonically increasing identifier for the location of a
  * journal_record.