New upstream release.

1 files changed, 60 insertions, 0 deletions

diff --git a/tests/fsck-tests/025-file-extents/test.sh b/tests/fsck-tests/025-file-extents/test.sh
new file mode 100755
index 00000000..ebe8a305
--- /dev/null
+++ b/tests/fsck-tests/025-file-extents/test.sh
@@ -0,0 +1,60 @@
+#!/bin/bash
+# Confirm btrfs check can check file extents without causing false alert
+
+source "$TOP/tests/common"
+
+check_prereq btrfs
+check_prereq mkfs.btrfs
+check_prereq btrfstune
+check_global_prereq dd
+check_global_prereq fallocate
+check_global_prereq truncate
+
+setup_root_helper
+prepare_test_dev 128M
+
+# Do some write into a large prealloc range
+# Lowmem mode can report missing csum due to wrong csum range
+test_paritical_write_into_prealloc()
+{
+	run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV"
+	run_check_mount_test_dev
+
+	run_check $SUDO_HELPER fallocate -l 128K "$TEST_MNT/file"
+	sync
+	run_check $SUDO_HELPER dd conv=notrunc if=/dev/zero of="$TEST_MNT/file" bs=1K count=64
+	run_check_umount_test_dev
+	run_check "$TOP/btrfs" check "$TEST_DEV"
+}
+
+# Inline compressed file extent
+# Lowmem mode can cause silent error without any error message
+# due to too restrict check on inline extent size
+test_compressed_inline_extent()
+{
+	run_check $SUDO_HELPER "$TOP/mkfs.btrfs" -f "$TEST_DEV"
+	run_check_mount_test_dev -o compress=lzo,max_inline=2048
+
+	run_check $SUDO_HELPER dd conv=notrunc if=/dev/null of="$TEST_MNT/file" bs=1K count=1
+	run_check_umount_test_dev
+	run_check "$TOP/btrfs" check "$TEST_DEV"
+}
+
+# File extent hole with NO_HOLES incompat feature set.
+# Lowmem mode will cause a false alert as it doesn't allow any file hole
+# extents, 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