Changeset 40bf2c6 in mainline

Timestamp:

2024-11-27T13:28:59Z (6 months ago)

Author:

Miroslav Cimerman <mc@…>

Children:

65706f1

Parents:

8160e4c0

Message:

hr: allow IO requests to be served during rebuild

Location:

uspace/srv/bd/hr

Files:

• raid1.c (modified) (1 diff)
• raid4.c (modified) (2 diffs)
• raid5.c (modified) (2 diffs)

uspace/srv/bd/hr/raid1.c

@@ -474 +474 @@
                 ba += cnt;
                 left -= cnt;
+
+                /*
+                 * Let other IO requests be served
+                 * during rebuild.
+                 */
+                fibril_mutex_unlock(&vol->lock);
+                fibril_mutex_lock(&vol->lock);
         }
 

uspace/srv/bd/hr/raid4.c

@@ -230 +230 @@
 {
         if (vol->status == HR_VOL_ONLINE ||
-            vol->status == HR_VOL_DEGRADED)
+            vol->status == HR_VOL_DEGRADED ||
+            vol->status == HR_VOL_REBUILD)
                 return EOK;
         return EINVAL;
@@ -745 +746 @@
                 ba += cnt;
                 left -= cnt;
+
+                /*
+                 * Let other IO requests be served
+                 * during rebuild.
+                 */
+                fibril_mutex_unlock(&vol->lock);
+                fibril_mutex_lock(&vol->lock);
         }
 

uspace/srv/bd/hr/raid5.c

@@ -227 +227 @@
 {
         if (vol->status == HR_VOL_ONLINE ||
-            vol->status == HR_VOL_DEGRADED)
+            vol->status == HR_VOL_DEGRADED ||
+            vol->status == HR_VOL_REBUILD)
                 return EOK;
         return EINVAL;
@@ -751 +752 @@
                 ba += cnt;
                 left -= cnt;
+
+                /*
+                 * Let other IO requests be served
+                 * during rebuild.
+                 */
+                fibril_mutex_unlock(&vol->lock);
+                fibril_mutex_lock(&vol->lock);
         }