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tests/df/sync.sh
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Collin Funk
tests: df: check that --sync always calls sync before statfs
05 фев 2026, 03:49
05 фев 2026, 03:49
e0b2db0
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#!/bin/sh # Ensure 'df --sync' works. # Copyright (C) 2026 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 <https://www.gnu.org/licenses/>. . "${srcdir=.}/tests/init.sh"; path_prepend_ ./src print_ver_ df # This test is marked "very expensive" since calling sync() can take a long # time on a busy system. very_expensive_ require_strace_ 'sync,statfs,fstatfs' # Check that sync was called before statfs or statvfs. check_sync () { seen_sync=0 while IFS= read line; do case "$line" in sync\(*) seen_sync=1 ;; statfs\(*|fstatfs\(*) if test "$seen_sync" -eq 1; then return 0 else return 1 fi ;; esac done < "$1" # Fail if we don't see statfs or fstatfs. return 1 } # Make sure that 'df --sync' calls sync() before gathering usage information. strace -o strace.out -e trace=sync,statfs,fstatfs df --sync || fail=1 check_sync strace.out || fail=1 # Also check it with a file given as the argument. strace -o strace.out -e trace=sync,statfs,fstatfs df --sync . || fail=1 check_sync strace.out || fail=1 Exit $fail