Merge "configure-swap: Always use dd and limit swap size to 1024MB"

roles/configure-swap/defaults/main.yaml

@@ -1,2 +1,2 @@
 # Default swap partition/file size, in MiB
-configure_swap_size: 8192
+configure_swap_size: 1024

roles/configure-swap/tasks/root.yaml

@@ -20,21 +20,12 @@
 # Note, we don't use a sparse device to avoid wedging when disk space
 # and memory are both unavailable.
 
-# Cannot fallocate on filesystems like XFS, so use slower dd
-- name: Create swap backing file for non-EXT fs
-  when: '"ext" not in root_filesystem'
+- name: Create swap backing file
   become: yes
   command: dd if=/dev/zero of=/root/swapfile bs=1M count={{ swap_required }}
   args:
     creates: /root/swapfile
 
-- name: Create sparse swap backing file for EXT fs
-  when: '"ext" in root_filesystem'
-  become: yes
-  command: fallocate -l {{ swap_required }}M /root/swapfile
-  args:
-    creates: /root/swapfile
-
 - name: Ensure swapfile perms
   become: yes
   file: