[PATCH v2 1/1] generic/{453,454}: Don't run for FSs restricting names

[Pavel Reichl <preichl@redhat.com>]

Running generic/{453,454} tests is probably only useful for filesystems
that allow unrestricted byte streams for names.

Signed-off-by: Pavel Reichl <preichl@redhat.com>
Suggested-by: Darrick J. Wong <djwong@kernel.org>
Reviewed-by: Theodore Ts'o <tytso@mit.edu>
---
 common/rc         | 13 +++++++++++++
 tests/generic/453 |  1 +
 tests/generic/454 |  1 +
 3 files changed, 15 insertions(+)

diff --git a/common/rc b/common/rc
index d4ad421e..8ebe93c4 100644
--- a/common/rc
+++ b/common/rc
@@ -4599,6 +4599,19 @@ _require_od_endian_flag()
 		_notrun "od does not support endian flag"
 }
 
+# Skip this test unless the filesystem treats names (directory entries,
+# fs labels, and extended attribute names) as raw byte sequences.
+_require_names_are_bytes() {
+        case "$FSTYP" in
+        ext2|ext3|ext4|xfs|btrfs)
+		# do nothing
+	        ;;
+	*)
+                _notrun "$FSTYP does not allow unrestricted byte streams for names"
+		;;
+        esac
+}
+
 init_rc
 
 ################################################################################
diff --git a/tests/generic/453 b/tests/generic/453
index 55ddcc01..a0fb802e 100755
--- a/tests/generic/453
+++ b/tests/generic/453
@@ -15,6 +15,7 @@ _begin_fstest auto quick dir
 # Import common functions.
 
 _require_scratch
+_require_names_are_bytes
 
 echo "Format and mount"
 _scratch_mkfs > $seqres.full 2>&1
diff --git a/tests/generic/454 b/tests/generic/454
index 3aefa9f0..133e2e9d 100755
--- a/tests/generic/454
+++ b/tests/generic/454
@@ -17,6 +17,7 @@ _begin_fstest auto quick attr
 
 _require_scratch
 _require_attrs
+_require_names_are_bytes
 
 echo "Format and mount"
 _scratch_mkfs > $seqres.full 2>&1
-- 
2.31.1