ref: 679728c0312fcc766e5ca5aafcfa7fa53406ebae
parent: f7eb061d6c5e916767b66d952993bbb66d0fc8f7
author: ngkaho1234 <ngkaho1234@gmail.com>
date: Fri Dec 4 07:59:57 EST 2015
ext4_journal: add transaction in-memory structure.
--- a/lwext4/ext4_types.h
+++ b/lwext4/ext4_types.h
@@ -1093,6 +1093,33 @@
bool dirty;
};
+struct jbd_buf {+ struct ext4_block block;
+ struct ext4_block block_jbd;
+
+ struct jbd_trans *trans;
+
+ LIST_ENTRY(jbd_buf) buf_node;
+};
+
+struct jbd_trans {+ uint32_t trans_id;
+ LIST_HEAD(jbd_trans_buf, jbd_buf) buf_list;
+ LIST_ENTRY(jbd_trans) trans_node;
+};
+
+struct jbd_journal {+ uint32_t first;
+ uint32_t start;
+ uint32_t last;
+ uint32_t first_trans_id;
+ uint32_t last_trans_id;
+
+ LIST_HEAD(jbd_trans_list, jbd_trans) trans_list;
+
+ struct jbd_fs *jbd_fs;
+};
+
/*****************************************************************************/
#define EXT4_CRC32_INIT (0xFFFFFFFFUL)