Add --readonly option

[fio.git] / ioengines.c

diff --git a/ioengines.c b/ioengines.c
index feb986a844bba2342c5844094bacc89f6ed26821..8e6fae2267bdc2340fa82453ef65bab3335615ab 100644 (file)
--- a/ioengines.c
+++ b/ioengines.c
@@ -187,6 +187,8 @@ int td_io_queue(struct thread_data *td, struct io_u *io_u)
 
        assert(io_u->file->flags & FIO_FILE_OPEN);
 
+       assert(!(io_u->ddir == DDIR_WRITE && !td_write(td)));
+
        io_u->error = 0;
        io_u->resid = 0;
 
@@ -279,7 +281,7 @@ int td_io_open_file(struct thread_data *td, struct fio_file *f)
 
        f->last_free_lookup = 0;
        f->last_completed_pos = 0;
-       f->last_pos = 0;
+       f->last_pos = f->file_offset;
        f->flags |= FIO_FILE_OPEN;
        f->flags &= ~FIO_FILE_CLOSING;
 
@@ -309,6 +311,7 @@ int td_io_open_file(struct thread_data *td, struct fio_file *f)
                memset(f->file_map, 0, f->num_maps * sizeof(long));
 
 done:
+       log_file(td, f, FIO_LOG_OPEN_FILE);
        td->nr_open_files++;
        get_file(f);
        return 0;
@@ -320,6 +323,9 @@ err:
 
 void td_io_close_file(struct thread_data *td, struct fio_file *f)
 {
+       if (!(f->flags & FIO_FILE_CLOSING))
+               log_file(td, f, FIO_LOG_CLOSE_FILE);
+
        /*
         * mark as closing, do real close when last io on it has completed
         */