Run fsx on rbd with thrashing

diff --git a/suites/regression/thrash/workloads/rbd_fsx_cache_writeback.yaml b/suites/regression/thrash/workloads/rbd_fsx_cache_writeback.yaml
new file mode 120000 (symlink)
index 0000000..a9f32e1
--- /dev/null
+++ b/suites/regression/thrash/workloads/rbd_fsx_cache_writeback.yaml
@@ -0,0 +1 @@
+../../basic/tasks/rbd_fsx_cache_writeback.yaml
\ No newline at end of file

diff --git a/suites/regression/thrash/workloads/rbd_fsx_cache_writethrough.yaml b/suites/regression/thrash/workloads/rbd_fsx_cache_writethrough.yaml
new file mode 120000 (symlink)
index 0000000..868062d
--- /dev/null
+++ b/suites/regression/thrash/workloads/rbd_fsx_cache_writethrough.yaml
@@ -0,0 +1 @@
+../../basic/tasks/rbd_fsx_cache_writethrough.yaml
\ No newline at end of file

diff --git a/suites/regression/thrash/workloads/rbd_fsx_nocache.yaml b/suites/regression/thrash/workloads/rbd_fsx_nocache.yaml
new file mode 120000 (symlink)
index 0000000..7b9adf9
--- /dev/null
+++ b/suites/regression/thrash/workloads/rbd_fsx_nocache.yaml
@@ -0,0 +1 @@
+../../basic/tasks/rbd_fsx_nocache.yaml
\ No newline at end of file