* Unlike the included modules, external engines should have a
* non-static ioengine structure that we can reference.
*/
- ops = dlsym(dlhandle, "ioengine");
+ 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 r = 0;
+ /*
+ * For ioengine=rdma one side operation RDMA_WRITE or RDMA_READ,
+ * server side gets a message from the client
+ * side that the task is finished, and
+ * td->done is set to 1 after td_io_commit(). In this case,
+ * there is no need to reap complete event in server side.
+ */
+ if (td->done)
+ return 0;
+
if (min > 0 && td->io_ops->commit) {
r = td->io_ops->commit(td);
if (r < 0)
out:
if (r >= 0) {
/*
- * Reflect that our submitted requests were retrieved with
+ * Reflect that our submitted requests were retrieved with
* whatever OS async calls are in the underlying engine.
*/
td->io_u_in_flight -= r;
assert(fio_file_open(io_u->file));
+ /*
+ * If using a write iolog, store this entry.
+ */
+ log_io_u(td, io_u);
+
io_u->error = 0;
io_u->resid = 0;
sizeof(struct timeval));
}
- if (ddir_rw(io_u->ddir))
- td->io_issues[io_u->ddir]++;
+ if (ddir_rw(acct_ddir(io_u)))
+ td->io_issues[acct_ddir(io_u)]++;
ret = td->io_ops->queue(td, io_u);
unlock_file(td, io_u->file);
+ /*
+ * If an error was seen and the io engine didn't propagate it
+ * back to 'td', do so.
+ */
+ if (io_u->error && !td->error)
+ td_verror(td, io_u->error, "td_io_queue");
+
/*
* Add warning for O_DIRECT so that users have an easier time
* spotting potentially bad alignment. If this triggers for the first
*/
if (io_u->error == EINVAL && td->io_issues[io_u->ddir & 1] == 1 &&
td->o.odirect) {
+
log_info("fio: first direct IO errored. File system may not "
"support direct IO, or iomem_align= is bad.\n");
}
- if (!td->io_ops->commit) {
+ if (!td->io_ops->commit || ddir_trim(io_u->ddir)) {
io_u_mark_submit(td, 1);
io_u_mark_complete(td, 1);
}
if (ddir_rw(io_u->ddir)) {
io_u_mark_depth(td, 1);
td->ts.total_io_u[io_u->ddir]++;
- } else if (io_u->ddir == DDIR_TRIM)
- td->ts.total_io_u[2]++;
+ }
} else if (ret == FIO_Q_QUEUED) {
int r;
td->error = ret;
}
+ if (!ret && (td->io_ops->flags & FIO_NOIO))
+ td->flags |= TD_F_NOIO;
+
return ret;
}
if (!td->cur_depth || !td->io_u_queued)
return 0;
- io_u_mark_depth(td, td->io_u_queued);
+ io_u_mark_depth(td, td->io_u_queued);
if (td->io_ops->commit) {
ret = td->io_ops->commit(td);
if (ret)
td_verror(td, -ret, "io commit");
}
-
+
/*
* Reflect that events were submitted as async IO requests.
*/
return 1;
}
- fio_file_reset(f);
+ fio_file_reset(td, f);
fio_file_set_open(f);
fio_file_clear_closing(f);
disk_util_inc(f->du);
fio_file_set_closing(f);
disk_util_dec(f->du);
- unlock_file_all(td, f);
+
+ if (td->o.file_lock_mode != FILE_LOCK_NONE)
+ unlock_file_all(td, f);
return put_file(td, f);
}
if (io_u->ddir == DDIR_SYNC) {
ret = fsync(io_u->file->fd);
} else if (io_u->ddir == DDIR_DATASYNC) {
-#ifdef FIO_HAVE_FDATASYNC
+#ifdef CONFIG_FDATASYNC
ret = fdatasync(io_u->file->fd);
#else
ret = io_u->xfer_buflen;
ret = os_trim(f->fd, io_u->offset, io_u->xfer_buflen);
if (!ret)
- return io_u->xfer_buflen;;
+ return io_u->xfer_buflen;
io_u->error = ret;
return 0;