* Added "partition_id partition" field to fs_volume, so that file

systems can get the partition they reside on easily.
* Updated TODO.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@26401 a95241bf-73f2-0310-859d-f6bbb57e9c96

headers/os/drivers/fs_interface.h

@@ -54,6 +54,7 @@ typedef struct fs_vnode_ops fs_vnode_ops;
 
 struct fs_volume {
 	dev_t			id;
+	partition_id	partition;
 	int32			layer;
 	void*			private_volume;
 	fs_volume_ops*	ops;

src/system/kernel/fs/vfs.cpp

@@ -6284,7 +6284,7 @@ fs_mount(char *path, const char *device, const char *fsName, uint32 flags,
 	// Write lock the partition's device. For the time being, we keep the lock
 	// until we're done mounting -- not nice, but ensure, that no-one is
 	// interfering.
-	// TODO: Find a better solution.
+	// TODO: Just mark the partition busy while mounting!
 	KDiskDevice *diskDevice = NULL;
 	if (partition) {
 		diskDevice = ddm->WriteLockDevice(partition->Device()->ID());
@@ -6364,6 +6364,7 @@ fs_mount(char *path, const char *device, const char *fsName, uint32 flags,
 	mount->owns_file_device = false;
 
 	mount->volume->id = mount->id;
+	mount->volume->partition = partition != NULL ? partition->ID() : -1;
 	mount->volume->layer = 0;
 	mount->volume->private_volume = NULL;
 	mount->volume->ops = NULL;