From e1908ae95dd4c9d19ee4dfabfc8bf8a7f85943fe Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Fri, 19 Apr 2024 18:58:41 +0200 Subject: Adding upstream version 9.4. Signed-off-by: Daniel Baumann --- tests/cp/sparse-perf.sh | 40 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 40 insertions(+) create mode 100755 tests/cp/sparse-perf.sh (limited to 'tests/cp/sparse-perf.sh') diff --git a/tests/cp/sparse-perf.sh b/tests/cp/sparse-perf.sh new file mode 100755 index 0000000..793ecee --- /dev/null +++ b/tests/cp/sparse-perf.sh @@ -0,0 +1,40 @@ +#!/bin/sh +# ensure that a sparse file is copied efficiently, by default + +# Copyright (C) 2021-2023 Free Software Foundation, Inc. + +# This program is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. + +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. + +# You should have received a copy of the GNU General Public License +# along with this program. If not, see . + +. "${srcdir=.}/tests/init.sh"; path_prepend_ ./src +print_ver_ cp + +# Create a large-but-sparse file. +timeout 10 truncate -s1T f || + skip_ "unable to create a 1 TiB sparse file" + +# Note zfs with zfs_dmu_offset_next_sync=0 (the default) +# will generally skip here, due to needing about 5 seconds +# between the creation of the file and the use of SEEK_DATA, +# for it to determine it's an empty file (return ENXIO). +seek_data_capable_ f || + skip_ "insufficient SEEK_DATA support" + +# Nothing can read that many bytes in so little time. +timeout 10 cp --reflink=never f f2 || fail=1 + +# Ensure that the sparse file copied through SEEK_DATA has the same size +# in bytes as the original. +test "$(stat --printf %s f)" = "$(stat --printf %s f2)" || fail=1 + +Exit $fail -- cgit v1.2.3