libublk: set default cache type as 'write back'

'write back' is easily to be implemented, and that is exactly what the current code is doing. Signed-off-by: Ming Lei <[email protected]>
ublk-org · Nov 17, 2024 · ed74ba0 · ed74ba0
1 parent 5e9c436
commit ed74ba0
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/src/io.rs b/src/io.rs
@@ -309,6 +309,7 @@ impl UblkDev {
         self.tgt.params = super::sys::ublk_params {
             types: super::sys::UBLK_PARAM_TYPE_BASIC,
             basic: super::sys::ublk_param_basic {
+                attrs: super::sys::UBLK_ATTR_VOLATILE_CACHE,
                 logical_bs_shift: 9,
                 physical_bs_shift: 12,
                 io_opt_shift: 12,