[LTP] [PATCH v3 1/3] tse_swap: Add fallback definitions for swapon

[Andrea Cervesato]

From: Andrea Cervesato <andrea.cervesato@suse.com>

Introduce fallback definitions inside include/tse_swap.h for:

- SWAP_FLAG_PREFER
- SWAP_FLAG_PRIO_MASK
- SWAP_FLAG_DISCARD
- SWAP_FLAG_DISCARD_ONCE
- SWAP_FLAG_DISCARD_PAGES

Reviewed-by: Li Wang <li.wang@linux.dev>
Signed-off-by: Andrea Cervesato <andrea.cervesato@suse.com>
---
 include/tse_swap.h | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)

diff --git a/include/tse_swap.h b/include/tse_swap.h
index c4979b3e5..25fe4ad77 100644
--- a/include/tse_swap.h
+++ b/include/tse_swap.h
@@ -14,6 +14,22 @@
 #ifndef TSE_SWAP_H__
 #define TSE_SWAP_H__
 
+#ifndef SWAP_FLAG_PREFER
+# define SWAP_FLAG_PREFER	0x8000
+#endif
+#ifndef SWAP_FLAG_PRIO_MASK
+# define SWAP_FLAG_PRIO_MASK	0x7fff
+#endif
+#ifndef SWAP_FLAG_DISCARD
+# define SWAP_FLAG_DISCARD	0x10000
+#endif
+#ifndef SWAP_FLAG_DISCARD_ONCE
+# define SWAP_FLAG_DISCARD_ONCE	0x20000
+#endif
+#ifndef SWAP_FLAG_DISCARD_PAGES
+# define SWAP_FLAG_DISCARD_PAGES 0x40000
+#endif
+
 enum swapfile_method {
     SWAPFILE_BY_SIZE,
     SWAPFILE_BY_BLKS

-- 
2.51.0