Add test case which we have NO_HOLES incompat flag while still have
hole file extent.
This can be created by enabling NO_HOLES feature on an existing
filesystem, which lowmem mode would cause false alert for it.
Signed-off-by: Qu Wenruo <quwenruo@xxxxxxxxxxxxxx>
---
tests/fsck-tests/025-file-extents/test.sh | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
diff --git a/tests/fsck-tests/025-file-extents/test.sh b/tests/fsck-tests/025-file-extents/test.sh
index e4bc4247..66cfbaab 100755
--- a/tests/fsck-tests/025-file-extents/test.sh
+++ b/tests/fsck-tests/025-file-extents/test.sh
@@ -5,6 +5,7 @@ source "$TOP/tests/common"
check_prereq btrfs
check_prereq mkfs.btrfs
+check_prereq btrfstune
check_global_prereq dd
check_global_prereq fallocate
@@ -38,5 +39,21 @@ test_compressed_inline_extent()
run_check "$TOP/btrfs" check "$TEST_DEV"
}
+# Hole file extent with NO_HOLES incompat flag
+# Lowmem mode will cause false alert as it doesn't allow any hole file extent
+# exist, while we can set NO_HOLES at anytime we want, it's definitely a false
+# alert
+test_hole_extent_with_no_holes_flag()
+{
+ run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV"
+ run_check_mount_test_dev
+
+ run_check $SUDO_HELPER truncate -s 16K "$TEST_MNT/tmp"
+ run_check_umount_test_dev
+ run_check $SUDO_HELPER "$TOP/btrfstune" -n "$TEST_DEV"
+ run_check "$TOP/btrfs" check "$TEST_DEV"
+}
+
test_paritical_write_into_prealloc
test_compressed_inline_extent
+test_hole_extent_with_no_holes_flag
--
2.13.1
--
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