* lvm.h
* - LVM Core definitions
*/
-#define DEBUG 0
+#define DEBUG 1
#define VERSION VER2(0,1)
#include "lvm_int.h"
#include <fs_devfs.h>
// === PROTOTYPES ===
// ---
int LVM_Initialise(char **Arguments);
-void LVM_Cleanup(void);
+ int LVM_Cleanup(void);
// ---
char *LVM_Root_ReadDir(tVFS_Node *Node, int ID);
tVFS_Node *LVM_Root_FindDir(tVFS_Node *Node, const char *Name);
return 0;
}
-void LVM_Cleanup(void)
+int LVM_Cleanup(void)
{
+ // Attempt to destroy all volumes
+ tLVM_Vol *vol, *prev = NULL, *next;
+ // TODO: Locks?
+ for( vol = gpLVM_FirstVolume; vol; prev = vol, vol = next )
+ {
+ next = vol->Next;
+ int nFree = 0;
+
+ for( int i = 0; i < vol->nSubVolumes; i ++ )
+ {
+ tLVM_SubVolume *sv;
+ sv = vol->SubVolumes[i];
+ if( sv == NULL ) {
+ nFree ++;
+ continue;
+ }
+
+ Mutex_Acquire(&sv->Node.Lock);
+ if(sv->Node.ReferenceCount == 0) {
+ nFree ++;
+ vol->SubVolumes[i] = NULL;
+ }
+ Mutex_Release(&sv->Node.Lock);
+
+ Mutex_Acquire(&sv->Node.Lock);
+ LOG("Removed subvolume %s:%s", vol->Name, sv->Name);
+ free(sv);
+ }
+
+ if( nFree != vol->nSubVolumes )
+ continue ;
+
+ if(prev)
+ prev->Next = next;
+ else
+ gpLVM_FirstVolume = next;
+
+ Mutex_Acquire(&vol->DirNode.Lock);
+ Mutex_Acquire(&vol->VolNode.Lock);
+ if( vol->Type->Cleanup )
+ vol->Type->Cleanup( vol->Ptr );
+ LOG("Removed volume %s", vol->Name);
+ free(vol);
+ }
+
+ if( gpLVM_FirstVolume )
+ return EBUSY;
+
+ return EOK;
}
// --------------------------------------------------------------------