Older kernels (prior commit 494633fac7896 "vfs: vfs_dedupe_file_range()
doesn't return EOPNOTSUPP") will return EINVAL when operation is not
supported. Make fsx treat this error as a sign of unsupported
deduplication as well to make it usable with these older kernels.
Signed-off-by: Jan Kara <jack@xxxxxxx>
---
ltp/fsx.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/ltp/fsx.c b/ltp/fsx.c
index f4a1c7cf820b..391824bfbc68 100644
--- a/ltp/fsx.c
+++ b/ltp/fsx.c
@@ -1482,7 +1482,8 @@ test_dedupe_range(void)
else
error = 0;
- if (error == EOPNOTSUPP || error == ENOTTY) {
+ /* Older kernels may return EINVAL... */
+ if (error == EOPNOTSUPP || error == ENOTTY || error == EINVAL) {
if (!quiet)
fprintf(stderr,
"main: filesystem does not support "
--
2.16.4
