mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Xiao Yang
03f550bd49
With older util-linux(e.g. v2.17.2), running some tests(e.g. generic/472, generic/495) got the following output: ------------------------------------------------------- +mkswap: /mnt/xfstests/scratch/swap: warning: don't erase bootbits sectors + on whole disk. Use -f to force. +mkswap: unable to relabel /mnt/xfstests/scratch/swap to system_u:object_r:swapfile_t:s0: Operation not supported ------------------------------------------------------- 1) Before commit c1f1b30 of util-linux, standard mkswap didn't zap bootbits sectors and printed a warning until force option(i.e. -f) was given. We define "mkswap -f" as MKSWAP_PROG and replace all standard mkswap with $MKSWAP_PROG. 2) With mounting default SELinux context(e.g. system_u:object_r:root_t:s0), standard mkswap tried to reset the type of default context to swapfile_t if it is not swapfile_t, and then it failed and returned ENOTSUP expectedly as we don't want to create any SELinux attr on purpose. standard mkswap ignored this relabel error by commit d97dc0e of util-linux, but it still reported the error before commit d97dc0e. We try to skip the reset step in standard mkswap by mounting swapfile context directly. Note: We just mount swapfile context in related tests, and keep default context in the rest of tests. [Eryu: make mkswap a non-mandatory requirement and add comments on "-f" option] Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com> Reviewed-by: Eryu Guan <guaneryu@gmail.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
57 lines
1.3 KiB
Bash
Executable File
57 lines
1.3 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2018 Facebook. All Rights Reserved.
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#
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# FS QA Test 173
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#
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# Test swap file activation restrictions specific to Btrfs, swap file can't be
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# CoW file nor compressed file.
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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cd /
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rm -f $tmp.*
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}
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. ./common/rc
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. ./common/filter
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rm -f $seqres.full
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch_swapfile
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_scratch_mkfs >> $seqres.full 2>&1
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_scratch_mount
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echo "COW file"
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# We can't use _format_swapfile because we don't want chattr +C, and we can't
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# unset it after the swap file has been created.
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rm -f "$SCRATCH_MNT/swap"
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touch "$SCRATCH_MNT/swap"
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chmod 0600 "$SCRATCH_MNT/swap"
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_pwrite_byte 0x61 0 $(($(get_page_size) * 10)) "$SCRATCH_MNT/swap" >> $seqres.full
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$MKSWAP_PROG "$SCRATCH_MNT/swap" >> $seqres.full
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swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch
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swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1
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echo "Compressed file"
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rm -f "$SCRATCH_MNT/swap"
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_format_swapfile "$SCRATCH_MNT/swap" $(($(get_page_size) * 10))
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$CHATTR_PROG +c "$SCRATCH_MNT/swap"
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swapon "$SCRATCH_MNT/swap" 2>&1 | _filter_scratch
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swapoff "$SCRATCH_MNT/swap" >/dev/null 2>&1
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status=0
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exit
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