Adds support for INODE_DONT_FREE_SPACE, and all private BFS ioctls defined

in bfs_control.h.
Some minor cleanups.


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1993 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/kernel/file_systems/bfs/kernel_interface.cpp

@@ -12,6 +12,7 @@
 #include "Index.h"
 #include "BPlusTree.h"
 #include "Query.h"
+#include "bfs_control.h"
 
 #include <string.h>
 #include <stdio.h>
@@ -359,7 +360,7 @@ bfs_sync(void *_ns)
  */
 
 static int
-bfs_read_vnode(void *_ns, vnode_id id, char reenter, void **node)
+bfs_read_vnode(void *_ns, vnode_id id, char reenter, void **_node)
 {
 	FUNCTION_START(("vnode_id = %Ld\n", id));
 	Volume *volume = (Volume *)_ns;
@@ -374,7 +375,7 @@ bfs_read_vnode(void *_ns, vnode_id id, char reenter, void **node)
 		return B_NO_MEMORY;
 
 	if (inode->InitCheck() == B_OK) {
-		*node = (void *)inode;
+		*_node = (void *)inode;
 		return B_OK;
 	}
 
@@ -406,6 +407,13 @@ bfs_remove_vnode(void *_ns, void *_node, char reenter)
 	Volume *volume = (Volume *)_ns;
 	Inode *inode = (Inode *)_node;
 
+	// The "chkbfs" functionality uses this flag to prevent the space used
+	// up by the inode from being freed - this flag is set only in situations
+	// where this is a good idea... (the block bitmap will get fixed anyway
+	// in this case).
+	if (inode->Flags() & INODE_DONT_FREE_SPACE)
+		return B_OK;
+
 	// If the inode isn't in use anymore, we were called before
 	// bfs_unlink() returns - in this case, we can just use the
 	// transaction which has already deleted the inode.
@@ -577,6 +585,37 @@ bfs_ioctl(void *_ns, void *_node, void *_cookie, int cmd, void *buffer, size_t b
 				inode->Node()->flags |= INODE_NO_CACHE;
 			return status;
 		}
+		case BFS_IOCTL_VERSION:
+		{
+			uint32 *version = (uint32 *)buffer;
+
+			*version = 0x10000;
+			return B_OK;
+		}
+		case BFS_IOCTL_START_CHECKING:
+		{
+			// start checking
+			BlockAllocator &allocator = volume->Allocator();
+			check_control *control = (check_control *)buffer;
+
+			return allocator.StartChecking(control);
+		}
+		case BFS_IOCTL_STOP_CHECKING:
+		{
+			// stop checking
+			BlockAllocator &allocator = volume->Allocator();
+			check_control *control = (check_control *)buffer;
+
+			return allocator.StopChecking(control);
+		}
+		case BFS_IOCTL_CHECK_NEXT_NODE:
+		{
+			// check next
+			BlockAllocator &allocator = volume->Allocator();
+			check_control *control = (check_control *)buffer;
+
+			return allocator.CheckNextNode(control);
+		}
 #ifdef DEBUG
 		case 56742:
 		{