Changeset 401b9e42 in mainline for uspace/srv/bd/hr/var.h

Timestamp:

2025-01-12T21:53:55Z (6 months ago)

Author:

Miroslav Cimerman <mc@…>

Children:

dec4150

Parents:

e2b417f

git-author:

Miroslav Cimerman <mc@…> (2025-01-12 19:18:08)

git-committer:

Miroslav Cimerman <mc@…> (2025-01-12 21:53:55)

Message:

hr: state_changed and peding_invalidation atomic flags

These flags are used to check whether there was a state
change, or if there is a pending invalidation, so that
we can avoid the slow code paths in a lockless fashion.

File:

• uspace/srv/bd/hr/var.h (modified) (1 diff)

uspace/srv/bd/hr/var.h

@@ -117 +117 @@
          * are harvested later when we are able to.
          */
+        _Atomic bool pending_invalidation;
         fibril_mutex_t deferred_list_lock;
         list_t deferred_invalidations_list;
         hr_deferred_invalidation_t deferred_inval[HR_MAX_EXTENTS];
 
+        _Atomic bool state_changed;
         _Atomic uint64_t rebuild_blk;
         uint64_t counter; /* metadata syncing */