X-Git-Url: https://git.ucc.asn.au/?a=blobdiff_plain;f=KernelLand%2FKernel%2Finclude%2Fvfs.h;h=9cb9e5dece236b6b8fe900d65ea673f47621080d;hb=ce452fe1a1b499f519aaa7cb9722d4beeb2a6644;hp=b746d0e7db0a7a4ac7826013c5a50afde2434b1f;hpb=9dccbc6f16485ea62caa8c4153f6f878da8cbb0d;p=tpg%2Facess2.git

diff --git a/KernelLand/Kernel/include/vfs.h b/KernelLand/Kernel/include/vfs.h
index b746d0e7..9cb9e5de 100644
--- a/KernelLand/Kernel/include/vfs.h
+++ b/KernelLand/Kernel/include/vfs.h
@@ -90,6 +90,11 @@ typedef struct sVFS_NodeType	tVFS_NodeType;
  */
 typedef struct sVFS_Node
 {
+	/**
+	 * \brief Functions associated with the node
+	 */
+	tVFS_NodeType	*Type;
+	
 	/**
 	 * \name Identifiers
 	 * \brief Fields used by the driver to identify what data this node
@@ -178,11 +183,6 @@ typedef struct sVFS_Node
 	/**
 	 * \}
 	 */
-	
-	/**
-	 * \brief Functions associated with the node
-	 */
-	tVFS_NodeType	*Type;
 } tVFS_Node;
 
 /**
@@ -339,6 +339,15 @@ typedef struct sVFS_Driver
 	 */
 	Uint	Flags;
 	
+	/**
+	 * \brief Detect if a volume is accessible using this driver
+	 * \return Boolean success (with higher numbers being higher priority)
+	 *
+	 * E.g. FAT would return 1 as it's the lowest common denominator while ext2 might return 2,
+	 * because it can be embedded in a FAT volume (and is a more fully featured filesystem).
+	 */
+	 int	(*Detect)(int FD);
+
 	/**
 	 * \brief Callback to mount a device
 	 */
@@ -486,8 +495,9 @@ extern tVFS_Node	*Inode_CacheNode(int Handle, tVFS_Node *Node);
  * \brief Dereferences (and removes if needed) a node from the cache
  * \param Handle	A handle returned by Inode_GetHandle()
  * \param Inode	Value of the Inode field of the ::tVFS_Node you want to remove
+ * \return -1: Error (not present), 0: Not freed, 1: Freed
  */
-extern void	Inode_UncacheNode(int Handle, Uint64 Inode);
+extern int	Inode_UncacheNode(int Handle, Uint64 Inode);
 /**
  * \fn void Inode_ClearCache(int Handle)
  * \brief Clears the cache for a handle