ops = dlsym(dlhandle, engine_lib);
if (!ops)
ops = dlsym(dlhandle, "ioengine");
+
+ /*
+ * For some external engines (like C++ ones) it is not that trivial
+ * to provide a non-static ionengine structure that we can reference.
+ * Instead we call a method which allocates the required ioengine
+ * structure.
+ */
+ if (!ops) {
+ get_ioengine_t get_ioengine = dlsym(dlhandle, "get_ioengine");
+
+ if (get_ioengine)
+ get_ioengine(&ops);
+ }
+
if (!ops) {
td_vmsg(td, -1, dlerror(), "dlsym");
dlclose(dlhandle);
}
int td_io_getevents(struct thread_data *td, unsigned int min, unsigned int max,
- struct timespec *t)
+ const struct timespec *t)
{
int r = 0;
"support direct IO, or iomem_align= is bad.\n");
}
- if (!td->io_ops->commit || ddir_trim(io_u->ddir)) {
+ if (!td->io_ops->commit || io_u->ddir == DDIR_TRIM) {
io_u_mark_submit(td, 1);
io_u_mark_complete(td, 1);
}
td->error = ret;
}
+ if (!ret && (td->io_ops->flags & FIO_NOIO))
+ td->flags |= TD_F_NOIO;
+
return ret;
}
return put_file(td, f);
}
+int td_io_unlink_file(struct thread_data *td, struct fio_file *f)
+{
+ if (td->io_ops->unlink_file)
+ return td->io_ops->unlink_file(td, f);
+ else
+ return unlink(f->file_name);
+}
+
int td_io_get_file_size(struct thread_data *td, struct fio_file *f)
{
if (!td->io_ops->get_file_size)
return td->io_ops->get_file_size(td, f);
}
-static int do_sync_file_range(struct thread_data *td, struct fio_file *f)
+static int do_sync_file_range(const struct thread_data *td,
+ struct fio_file *f)
{
off64_t offset, nbytes;
return sync_file_range(f->fd, offset, nbytes, td->o.sync_file_range);
}
-int do_io_u_sync(struct thread_data *td, struct io_u *io_u)
+int do_io_u_sync(const struct thread_data *td, struct io_u *io_u)
{
int ret;
return ret;
}
-int do_io_u_trim(struct thread_data *td, struct io_u *io_u)
+int do_io_u_trim(const struct thread_data *td, struct io_u *io_u)
{
#ifndef FIO_HAVE_TRIM
io_u->error = EINVAL;