Changeset e11c527 in mainline for uspace/srv/bd/vbd/types/vbd.h

Timestamp:

2016-02-18T14:31:00Z (8 years ago)

Author:

Jiri Svoboda <jiri@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

53e3950

Parents:

8e670dd

Message:

When disk disappears, VBD should be able to force removal of partitions, even if they are open.

File:

• uspace/srv/bd/vbd/types/vbd.h (modified) (4 diffs)

uspace/srv/bd/vbd/types/vbd.h

@@ -1 +1 @@
 /*
- * Copyright (c) 2015 Jiri Svoboda
+ * Copyright (c) 2016 Jiri Svoboda
  * All rights reserved.
  *
@@ -39 +39 @@
 
 #include <adt/list.h>
+#include <atomic.h>
 #include <bd_srv.h>
 #include <label.h>
@@ -48 +49 @@
 typedef sysarg_t vbds_part_id_t;
 
+typedef enum {
+        /** No flags */
+        vrf_none = 0,
+        /** Force removal */
+        vrf_force = 0x1
+} vbds_rem_flag_t;
+
 /** Partition */
 typedef struct {
+        /** Reader held during I/O */
+        fibril_rwlock_t lock;
         /** Disk this partition belongs to */
         struct vbds_disk *disk;
@@ -72 +82 @@
         /** Number of blocks */
         aoff64_t nblocks;
+        /** Reference count */
+        atomic_t refcnt;
 } vbds_part_t;