VFS: be more verbose

kernel/include/fs/VFS.h

@@ -19,5 +19,8 @@ namespace VFS
 
     int32_t read(Node* node, uint32_t offset, uint32_t length, char* buffer);
     Node* open(const char* filename);
+
     void mount_root(Node* root);
+
+    Node* root();
 }

kernel/src/fs/VFS.cpp

@@ -2,6 +2,7 @@
 
 #include "fs/VFS.h"
 #include "log/Log.h"
+#include "std/string.h"
 
 static VFS::Node* vfs_root;
 
@@ -18,6 +19,9 @@ int32_t VFS::read(Node* node, uint32_t offset, uint32_t length, char* buffer)
         return -1;
     }
 
+    kdbgln("read(): node %s (inode %ld), offset %d, %d bytes, into %p", node->name, node->inode, offset, length,
+           (void*)buffer);
+
     return node->read_func(node, offset, length, buffer);
 }
 
@@ -34,6 +38,8 @@ VFS::Node* VFS::open(const char* filename)
         return 0;
     }
 
+    kinfoln("open(): opening %s", filename);
+
     return vfs_root->find_func(vfs_root, filename);
 }
 
@@ -52,3 +58,8 @@ void VFS::mount_root(Node* root)
     kinfoln("mounting node '%s' as vfs root", root->name);
     vfs_root = root;
 }
+
+VFS::Node* VFS::root()
+{
+    return vfs_root;
+}