Fill the disk space, try to create some files and rename a file, mount again, list directory contents and triggers some errors. It is a regression test for kernel commit 6b4b8e6b4ad8 ("ext4: ext4: fix bug for rename with RENAME_WHITEOUT") Signed-off-by: Sun Ke <sunke32@xxxxxxxxxx> --- v1 -> v3: Use the original in src and modify 048.out --- --- tests/ext4/048 | 76 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ tests/ext4/048.out | 2 ++ tests/ext4/group | 1 + 3 files changed, 79 insertions(+) create mode 100755 tests/ext4/048 create mode 100644 tests/ext4/048.out diff --git a/tests/ext4/048 b/tests/ext4/048 new file mode 100755 index 00000000..0311d1a2 --- /dev/null +++ b/tests/ext4/048 @@ -0,0 +1,76 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2021 HUAWEI. All Rights Reserved. +# +# FS QA Test 048 +# +# This is a regression test for kernel patch: +# commit 6b4b8e6b4ad8 ("ext4: ext4: fix bug for rename with RENAME_WHITEOUT") + +seq=`basename $0` +seqres=$RESULT_DIR/$seq +echo "QA output created by $seq" + +here=`pwd` +tmp=/tmp/$$ +status=1 # failure is the default! +trap "_cleanup; exit \$status" 0 1 2 3 15 + +_cleanup() +{ + cd / + rm -f $tmp.* +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/filter + +# remove previous $seqres.full before test +rm -f $seqres.full + +# real QA test starts here + +# Modify as appropriate. +_supported_fs ext4 +_supported_fs generic +_require_scratch +_require_xfs_io_command "falloc" + +dmesg -c > /dev/null + +_scratch_mkfs > $seqres.full 2>&1 +_scratch_mount >> $seqres.full 2>&1 + +testdir=$SCRATCH_MNT +cd ${testdir} + +mkdir test +$XFS_IO_PROG -f -c "falloc 0 128M" img >> $seqres.full +$MKFS_EXT4_PROG img > /dev/null 2>&1 +$MOUNT_PROG img test + +# fill the disk space +dd if=/dev/zero of=test/foo bs=1M count=128 > /dev/null 2>&1 + +# create 1000 files, not all the files will be created successfully +mkdir test/dir +cd test/dir +for ((i = 0; i < 1000; i++)) +do + touch file$i > /dev/null 2>&1 +done + +# try to rename, but now no space left on device +$here/src/renameat2 -w $testdir/test/dir/file1 $testdir/test/dir/dst_file + +cd $testdir +$UMOUNT_PROG test +$MOUNT_PROG img test +ls -l test/dir/file1 > /dev/null 2>&1 +$UMOUNT_PROG test + +dmesg -c | grep "deleted inode referenced" +# success, all done +status=0 +exit diff --git a/tests/ext4/048.out b/tests/ext4/048.out new file mode 100644 index 00000000..5b3990da --- /dev/null +++ b/tests/ext4/048.out @@ -0,0 +1,2 @@ +QA output created by 048 +No space left on device diff --git a/tests/ext4/group b/tests/ext4/group index ceda2ba6..6140dd7e 100644 --- a/tests/ext4/group +++ b/tests/ext4/group @@ -50,6 +50,7 @@ 045 auto dir 046 auto prealloc quick 047 auto quick dax +048 other 271 auto rw quick 301 aio auto ioctl rw stress defrag 302 aio auto ioctl rw stress defrag -- 2.13.6