[PATCH 21/79] block: rust: add `NoDefaultScheduler` flag for `TagSet`

[Andreas Hindborg]

Add a flag that maps to the BLK_MQ_F_NO_SCHED_BY_DEFAULT. This flag selects
the 'none' scheduler during queue registration in case of a single hwq or
shared hwqs instead of 'mq-deadline'.

Signed-off-by: Andreas Hindborg <a.hindborg@xxxxxxxxxx>
---
 rust/kernel/block/mq/tag_set/flags.rs | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/rust/kernel/block/mq/tag_set/flags.rs b/rust/kernel/block/mq/tag_set/flags.rs
index 768db938b9a95..1fca4fcb4dd20 100644
--- a/rust/kernel/block/mq/tag_set/flags.rs
+++ b/rust/kernel/block/mq/tag_set/flags.rs
@@ -15,5 +15,9 @@ pub enum Flag {
         /// processing IO. When this flag is not set, IO is processed in atomic
         /// context. When this flag is set, IO is processed in process context.
         Blocking = bindings::BLK_MQ_F_BLOCKING,
+
+        /// Select 'none' during queue registration in case of a single hwq or shared
+        /// hwqs instead of 'mq-deadline'.
+        NoDefaultScheduler = bindings::BLK_MQ_F_NO_SCHED_BY_DEFAULT,
     }
 }

-- 
2.51.2