merge fix for deleting files from libtorrent_aio

include/libtorrent/torrent.hpp

@@ -127,6 +127,8 @@ namespace libtorrent
 			static sha1_hash empty;
 			return m_torrent_file ? m_torrent_file->info_hash() : empty;
 		}
+	
+		bool is_deleted() const { return m_deleted; }
 
 		// starts the announce timer
 		void start();
@@ -1388,6 +1390,11 @@ namespace libtorrent
 		// accidentally start seeding it without any authentication.
 		bool m_ssl_torrent:1;
 
+		// this is set to true if we're trying to delete the
+		// files belonging to it. When set, don't write any
+		// more blocks to disk!
+		bool m_deleted:1;
+
 #if defined TORRENT_DEBUG || TORRENT_RELEASE_ASSERTS
 	public:
 		// set to false until we've loaded resume data

src/peer_connection.cpp

@@ -2472,6 +2472,8 @@ namespace libtorrent
 			}
 		}
 
+		if (t->is_deleted()) return;
+
 		int write_queue_size = fs.async_write(p, data, boost::bind(&peer_connection::on_disk_write_complete
 			, self(), _1, _2, p, t));
 		m_outstanding_writing_bytes += p.length;

src/torrent.cpp

@@ -428,6 +428,7 @@ namespace libtorrent
 		, m_is_active_download(false)
 		, m_is_active_finished(false)
 		, m_ssl_torrent(false)
+		, m_deleted(false)
 	{
 		// if there is resume data already, we don't need to trigger the initial save
 		// resume data
@@ -1220,6 +1221,8 @@ namespace libtorrent
 		int piece_size = m_torrent_file->piece_size(piece);
 		int blocks_in_piece = (piece_size + block_size() - 1) / block_size();
 
+		if (m_deleted) return;
+
 		// avoid crash trying to access the picker when there is none
 		if (!has_picker()) return;
 
@@ -7029,6 +7032,7 @@ namespace libtorrent
 			TORRENT_ASSERT(m_storage);
 			m_storage->async_delete_files(
 				boost::bind(&torrent::on_files_deleted, shared_from_this(), _1, _2));
+			m_deleted = true;
 			return true;
 		}
 		return false;