btrfs-progs: tests: use dd in 025-file-extents for creating files

Drop the dependency on xfs_io as it's not a standard tool, though it
provides convenience. We use a simple write here so dd can manage.

Signed-off-by: David Sterba <dsterba@suse.com>

diff --git a/tests/fsck-tests/025-file-extents/test.sh b/tests/fsck-tests/025-file-extents/test.sh
index 37173eb..290464e 100755 (executable)
--- a/tests/fsck-tests/025-file-extents/test.sh
+++ b/tests/fsck-tests/025-file-extents/test.sh
@@ -5,7 +5,7 @@ source $TOP/tests/common
 
 check_prereq btrfs
 check_prereq mkfs.btrfs
-check_global_prereq xfs_io
+check_global_prereq dd
 check_global_prereq fallocate
 
 setup_root_helper
@@ -20,7 +20,7 @@ test_paritical_write_into_prealloc()
 
        run_check $SUDO_HELPER fallocate -l 128K "$TEST_MNT/file"
        sync
-       run_check $SUDO_HELPER xfs_io -c "pwrite 0 64K" "$TEST_MNT/file"
+       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"
 }
@@ -33,7 +33,7 @@ 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 $SUDO_HELPER xfs_io -f -c "pwrite 0 1K" "$TEST_MNT/file"
+       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"
 }