crimson/seastore: fix 4 bytes alignment

runtime error: reference binding to misaligned address 0x610000008395
for type 'device_type_t', which requires 4 byte alignment

Signed-off-by: chunmei-liu <chunmei.liu@intel.com>

diff --git a/src/crimson/os/seastore/seastore_types.h b/src/crimson/os/seastore/seastore_types.h
index 113b5a280834d944e723e1c4eeae76fe1ebc9861..c9bc8da86915407333e15ccdc0244d0ff2827ad2 100644 (file)
--- a/src/crimson/os/seastore/seastore_types.h
+++ b/src/crimson/os/seastore/seastore_types.h
@@ -731,7 +731,7 @@ enum class placement_hint_t {
 
 std::ostream& operator<<(std::ostream& out, placement_hint_t h);
 
-enum class device_type_t {
+enum alignas(4) device_type_t : uint_fast8_t {
   NONE = 0,
   SEGMENTED, // i.e. Hard_Disk, SATA_SSD, NAND_NVME
   RANDOM_BLOCK, // i.e. RANDOM_BD