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

Timestamp:

2025-01-12T16:53:10Z (6 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/var.h (modified) (3 diffs)

uspace/srv/bd/hr/var.h

@@ -49 +49 @@
 #define HR_STRIP_SIZE DATA_XFER_LIMIT
 
+struct hr_volume;
 typedef struct hr_volume hr_volume_t;
 
@@ -87 +88 @@
         char devname[HR_DEVNAME_LEN];
 
-        hr_extent_t extents[HR_MAX_EXTENTS];
         size_t hotspare_no;
         hr_extent_t hotspares[HR_MAX_HOTSPARES];
 
-        /* protects ordering (hr_extent_t.svc_id, hotspares) */
+        /* protects hotspares (hotspares.{svc_id,status}, hotspare_no) */
+        fibril_mutex_t hotspare_lock;
+
+        hr_extent_t extents[HR_MAX_EXTENTS];
+        /* protects extents ordering (extents.svc_id) */
         fibril_rwlock_t extents_lock;
-
-        /* protects states (hr_extent_t.status, hr_vol_status_t.status) */
+        /* protects states (extents.status, hr_volume_t.status) */
         fibril_rwlock_t states_lock;
 
@@ -101 +104 @@
         fibril_mutex_t halt_lock;
 
-        uint64_t rebuild_blk;
+        _Atomic uint64_t rebuild_blk;
         uint64_t counter; /* metadata syncing */
         hr_vol_status_t status;