shithub: lwext4

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ext4: more codes on journal testing.

--- a/lwext4/ext4.c

+++ b/lwext4/ext4.c

@@ -2540,12 +2540,34 @@

 			goto Finish;

 		}

-		jbd_journal_stop(journal);

+		ext4_fsblk_t rand_block = rand() % 4096;

+		if (!rand_block)

+			rand_block = 1;

+		struct ext4_block block;

+		r = ext4_block_get(mp->fs.bdev, &block, rand_block);

+		if (r != EOK)

+			goto out;

+

+		struct jbd_trans *trans = jbd_journal_new_trans(journal);

+		if (!trans) {

+			ext4_block_set(mp->fs.bdev, &block);

+			r = ENOMEM;

+			goto out;

+		}

+		r = jbd_trans_add_block(trans, &block);

+		if (r != EOK) {

+			jbd_journal_free_trans(journal, trans, true);

+			ext4_block_set(mp->fs.bdev, &block);

+			r = ENOMEM;

+			goto out;

+		}

+		jbd_journal_submit_trans(journal, trans);

+		jbd_journal_commit_one(journal);

+out:

 		jbd_put_fs(jbd_fs);

 		free(journal);

 		free(jbd_fs);

 	}

-

 Finish:

 	EXT4_MP_UNLOCK(mp);