STATIC int
base0fs_unlink(inode_t *dir, struct dentry *dentry)
{
int err = 0;
inode_t *lower_dir;
struct dentry *lower_dentry;
struct dentry *lower_dir_dentry;
print_entry_location();
lower_dir = INODE_TO_LOWER(dir); /* CPW: Moved below print_entry_location */
lower_dentry = base0fs_lower_dentry(dentry);
BUG_ON(!lower_dentry);
fist_checkinode(dir, "base0fs_unlink-dir");
dget(dentry);
lower_dir_dentry = base0fs_lock_parent(lower_dentry);
/* avoid destroying the lower inode if the file is in use */
dget(lower_dentry);
err = VFS_UNLINK(lower_dir, lower_dentry);
dput(lower_dentry);
if (!err) /* vfs_unlink does that */
d_delete(lower_dentry);
out_lock:
fist_copy_attr_times(dir, lower_dir);
/* propagate number of hard-links */
dentry->d_inode->i_nlink = INODE_TO_LOWER(dentry->d_inode)->i_nlink;
fist_copy_attr_ctime(dentry->d_inode, dir);
unlock_dir(lower_dir_dentry);
/*
* call d_drop so the system "forgets" about us
*/
if (!err) {
d_drop(dentry);
}
dput(dentry);
fist_checkinode(dir, "post base0fs_unlink-dir");
print_exit_status(err);
return err;
}
// Delete the File with the specified File Name.
VFS_BOOL VFS_File_Delete( const VFS_String& strFileName )
{
// Not initialized yet?
if( !IsInit() )
{
SetLastError( VFS_ERROR_NOT_INITIALIZED_YET );
return VFS_FALSE;
}
// Try to open the file to get the absolute file name and to see if the file is still open
// and if it's not in an Archive (VFS_WRITE would fail otherwise).
VFS_Handle hFile = VFS_File_Open( strFileName, VFS_READ | VFS_WRITE );
if( hFile == VFS_INVALID_HANDLE_VALUE )
return VFS_FALSE;
// Get the File Pointer.
IFile* pFile = ( IFile* )( VFS_DWORD )hFile;
// Check if there are still references to the File (but count ourself).
if( pFile->GetRefCount() > 1 )
{
// Close the File.
VFS_File_Close( hFile );
SetLastError( VFS_ERROR_IN_USE );
return VFS_FALSE;
}
// Get the absolute File Name.
VFS_String strAbsoluteFileName = pFile->GetFileName();
// Close the File.
VFS_File_Close( hFile );
// Try to delete the File.
if( !VFS_UNLINK( strAbsoluteFileName ) )
{
SetLastError( VFS_ERROR_PERMISSION_DENIED );
return VFS_FALSE;
}
return VFS_TRUE;
}
