Changeset 58d82fa in mainline for uspace/srv/bd/hr/hr.c

Timestamp:

2025-01-12T16:53:10Z (9 months ago)

Author:

Miroslav Cimerman <mc@…>

Children:

5ee041e

Parents:

ee47537

git-author:

Miroslav Cimerman <mc@…> (2025-01-12 16:49:51)

git-committer:

Miroslav Cimerman <mc@…> (2025-01-12 16:53:10)

Message:

hr: parallelize RAID1

changes in main hr_volume_t struct:

• new mutex hotspare_lock for protecting hotspares
• rebuild_blk is _Atomic

File:

• uspace/srv/bd/hr/hr.c (modified) (3 diffs)

uspace/srv/bd/hr/hr.c

@@ -44 +44 @@
 #include <loc.h>
 #include <task.h>
+#include <stdatomic.h>
 #include <stdio.h>
 #include <stdlib.h>
@@ -254 +255 @@
         fibril_rwlock_initialize(&new_volume->states_lock);
 
+        fibril_mutex_initialize(&new_volume->hotspare_lock);
+
         list_initialize(&new_volume->range_lock_list);
         fibril_mutex_initialize(&new_volume->range_lock_list_lock);
+
+        atomic_init(&new_volume->rebuild_blk, 0);
 
         rc = new_volume->hr_ops.create(new_volume);
@@ -310 +315 @@
                 rc = loc_service_unregister(hr_srv, svc_id);
         } else {
-                /* fibril safe for now */
-                fibril_mutex_lock(&vol->lock);
+                fibril_rwlock_write_lock(&vol->states_lock);
+                fibril_rwlock_read_lock(&vol->extents_lock);
                 hr_update_ext_status(vol, fail_extent, HR_EXT_FAILED);
-                fibril_mutex_unlock(&vol->lock);
+                fibril_rwlock_read_unlock(&vol->extents_lock);
+                fibril_rwlock_write_unlock(&vol->states_lock);
 
                 vol->hr_ops.status_event(vol);