On 3/11/25 04:25, Zorro Lang wrote: > On Mon, Mar 10, 2025 at 07:56:21PM +0800, Chao Yu wrote: >> This is a regression test to check whether fsck can handle corrupted >> nlinks correctly, it uses inject.f2fs to inject nlinks w/ wrong value, >> and expects fsck.f2fs can detect such corruption and do the repair. >> >> Cc: Jaegeuk Kim <jaegeuk@xxxxxxxxxx> >> Signed-off-by: Chao Yu <chao@xxxxxxxxxx> >> --- >> v2: >> - make _scratch_mkfs() to format f2fs image forcely >> - adjust _check_scratch_fs() to allow specified parameter of f2fs >> - add _fixed_by_git_commit >> - add _require_command inject.f2fs >> - simply return value handling >> common/rc | 9 ++- >> tests/f2fs/009 | 133 +++++++++++++++++++++++++++++++++++++++++++++ >> tests/f2fs/009.out | 2 + >> 3 files changed, 143 insertions(+), 1 deletion(-) >> create mode 100755 tests/f2fs/009 >> create mode 100644 tests/f2fs/009.out >> >> diff --git a/common/rc b/common/rc >> index bf24da4e..e156f3af 100644 >> --- a/common/rc >> +++ b/common/rc >> @@ -993,7 +993,7 @@ _scratch_mkfs() >> mkfs_filter="grep -v -e ^Warning: -e \"^mke2fs \"" >> ;; >> f2fs) >> - mkfs_cmd="$MKFS_F2FS_PROG" >> + mkfs_cmd="$MKFS_F2FS_PROG -f" >> mkfs_filter="cat" >> ;; >> ocfs2) >> @@ -3682,6 +3682,13 @@ _check_scratch_fs() >> ubifs) >> # there is no fsck program for ubifs yet >> ;; >> + f2fs) >> + if [ "$FSCK_OPTIONS" == "--dry-run" ]; then >> + fsck -t $FSTYP $device -- $FSCK_OPTIONS >> $seqres.full 2>&1 >> + else >> + _check_generic_filesystem $device >> + fi >> + ;; >> *) >> _check_generic_filesystem $device >> ;; >> diff --git a/tests/f2fs/009 b/tests/f2fs/009 >> new file mode 100755 >> index 00000000..d14df968 >> --- /dev/null >> +++ b/tests/f2fs/009 >> @@ -0,0 +1,133 @@ >> +#! /bin/bash >> +# SPDX-License-Identifier: GPL-2.0 >> +# Copyright (c) 2025 Chao Yu. All Rights Reserved. >> +# >> +# FS QA Test No. f2fs/009 >> +# >> +# This is a regression test to check whether fsck can handle corrupted >> +# nlinks correctly, it uses inject.f2fs to inject nlinks w/ wrong value, >> +# and expects fsck.f2fs can detect such corruption and do the repair. >> +# >> +. ./common/preamble >> +_begin_fstest auto quick >> + >> +_require_scratch >> +_require_command "$F2FS_INJECT_PROG" inject.f2fs >> + >> +_fixed_by_git_commit f2fs-tools 958cd6e > ^^^^^^^^ > commit subject? > >> + >> +filename=$SCRATCH_MNT/foo >> +hardlink=$SCRATCH_MNT/bar >> + >> +for ((i=0;i<14;i++)) do >> + echo "round: " $i >> $seqres.full >> + >> + _scratch_mkfs "-f" >> $seqres.full > > As you've add "-f" in _scratch_mkfs, so this "-f" can be removed. > >> + _scratch_mount >> $seqres.full > ^^^^^^ > I think it's useless > >> + >> + if [ $i == 0 ]; then >> + touch $filename >> + ino=`stat -c '%i' $filename` >> + nlink=0 >> + elif [ $i == 1 ]; then >> + mkdir $filename >> + ino=`stat -c '%i' $filename` >> + nlink=1 >> + elif [ $i == 2 ]; then >> + mknod $filename c 9 0 >> + ino=`stat -c '%i' $filename` >> + nlink=0 >> + elif [ $i == 3 ]; then >> + mknod $filename b 8 0 >> + ino=`stat -c '%i' $filename` >> + nlink=0 >> + elif [ $i == 4 ]; then >> + mkfifo $filename >> + ino=`stat -c '%i' $filename` >> + nlink=0 >> + elif [ $i == 5 ]; then >> + socket -s $filename >> $seqres.full 2>&1 & > ^^^^^^ > > Where's the "socket" command from? I think it's not always installed on any > Linux system. fstests never use this command in any test case. If you > need this command, you might need to check that, and _notrun if it's > not installed. > >> + pid=$! > > As you have background processes in this test case, you need to make sure > these processes are killed properly in _cleanup, especially if the test > is killed suddently, refer to generic/019. Zorro, I've updated the patchset, could you please help to check that? Thanks, > > Thanks, > Zorro > >> + sleep 2 >> + ino=`stat -c '%i' $filename` >> + kill $pid >> $seqres.full 2>&1 >> + nlink=0 >> + elif [ $i == 6 ]; then >> + ln -s $SCRATCH_MNT/empty $filename >> + ino=`stat -c '%i' $filename` >> + nlink=0 >> + elif [ $i == 7 ]; then >> + # orphan inode >> + touch $filename >> + ino=`stat -c '%i' $filename` >> + $F2FS_IO_PROG write 1 0 1 zero atomic_commit $filename 5000 >> $seqres.full 2>&1 & >> + stat $filename >> $seqres.full >> + rm $filename >> + $F2FS_IO_PROG shutdown 1 $SCRATCH_MNT/ >> $seqres.full >> + sleep 6 >> + nlink=1 >> + elif [ $i == 8 ]; then >> + # hardlink on file >> + touch $filename >> + ino=`stat -c '%i' $filename` >> + ln $filename $hardlink >> + nlink=0 >> + elif [ $i == 9 ]; then >> + # hardlink on charactor >> + mknod $filename c 9 0 >> + ino=`stat -c '%i' $filename` >> + ln $filename $hardlink >> + nlink=0 >> + elif [ $i == 10 ]; then >> + # hardlink on blockdev >> + mknod $filename b 8 0 >> + ino=`stat -c '%i' $filename` >> + ln $filename $hardlink >> + nlink=0 >> + elif [ $i == 11 ]; then >> + # hardlink on pipe >> + mkfifo $filename >> + ino=`stat -c '%i' $filename` >> + ln $filename $hardlink >> + nlink=0 >> + elif [ $i == 12 ]; then >> + # hardlink on socket >> + socket -s $filename >> $seqres.full 2>&1 & >> + pid=$! >> + sleep 2 >> + ino=`stat -c '%i' $filename` >> + kill $pid >> $seqres.full 2>&1 >> + ln $filename $hardlink >> + nlink=0 >> + elif [ $i == 13 ]; then >> + # hardlink on symlink >> + ln -s $SCRATCH_MNT/empty $filename >> + ino=`stat -c '%i' $filename` >> + ln $filename $hardlink >> + nlink=0 >> + fi >> + >> + if [ $i != 7 ]; then >> + stat $SCRATCH_MNT/* >> $seqres.full >> + fi >> + echo "ino:"$ino >> $seqres.full >> + echo "nlink:"$nlink >> $seqres.full >> + >> + _scratch_unmount >> + >> + $F2FS_INJECT_PROG --node --mb i_links --nid $ino --val $nlink $SCRATCH_DEV \ >> + >> $seqres.full || _fail "fail to inject" >> + >> + export FSCK_OPTIONS="--dry-run" >> + _check_scratch_fs >>$seqres.full 2>&1 && _fail "can't find corruption" >> + _repair_scratch_fs >> $seqres.full >> + _check_scratch_fs >> + >> + _scratch_mount >> + _scratch_unmount >> +done >> + >> +echo "Silence is golden" >> + >> +status=0 >> +exit >> diff --git a/tests/f2fs/009.out b/tests/f2fs/009.out >> new file mode 100644 >> index 00000000..7e977155 >> --- /dev/null >> +++ b/tests/f2fs/009.out >> @@ -0,0 +1,2 @@ >> +QA output created by 009 >> +Silence is golden >> -- >> 2.48.1 >> >