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Thu, 21 Nov 2024 05:13:04 +0000 (GMT) From: Nirjhar Roy To: fstests@vger.kernel.org Cc: linux-ext4@vger.kernel.org, linux-xfs@vger.kernel.org, ritesh.list@gmail.com, ojaswin@linux.ibm.com, djwong@kernel.org, zlang@kernel.org, nirjhar@linux.ibm.com Subject: [PATCH v3 3/3] generic: Addition of new tests for extsize hints Date: Thu, 21 Nov 2024 10:39:12 +0530 Message-ID: X-Mailer: git-send-email 2.43.5 In-Reply-To: References: Precedence: bulk X-Mailing-List: linux-xfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-TM-AS-GCONF: 00 X-Proofpoint-GUID: M2RKbDSGoRsUpaB0oZlqjM8aaEQs8i6p X-Proofpoint-ORIG-GUID: 3hNH7R_jWSiLex8WIbLtRkTzRSLCyfZp X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.293,Aquarius:18.0.1051,Hydra:6.0.680,FMLib:17.12.62.30 definitions=2024-10-15_01,2024-10-11_01,2024-09-30_01 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 clxscore=1015 suspectscore=0 adultscore=0 mlxlogscore=999 mlxscore=0 malwarescore=0 spamscore=0 priorityscore=1501 phishscore=0 lowpriorityscore=0 bulkscore=0 impostorscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2409260000 definitions=main-2411210037 This commit adds new tests that checks the behaviour of xfs/ext4 filesystems when extsize hint is set on file with inode size as 0, non-empty files with allocated and delalloc extents and so on. Although currently this test is placed under tests/generic, it only runs on xfs and there is an ongoing patch series[1] to enable extsize hints for ext4 as well. [1] https://lore.kernel.org/linux-ext4/cover.1726034272.git.ojaswin@linux.ibm.com/ Reviewed-by Ritesh Harjani (IBM) Reviewed-by: Ojaswin Mujoo Suggested-by: Ojaswin Mujoo Signed-off-by: Nirjhar Roy Reviewed-by: "Darrick J. Wong" --- tests/generic/366 | 175 ++++++++++++++++++++++++++++++++++++++++++ tests/generic/366.out | 26 +++++++ 2 files changed, 201 insertions(+) create mode 100755 tests/generic/366 create mode 100644 tests/generic/366.out diff --git a/tests/generic/366 b/tests/generic/366 new file mode 100755 index 00000000..25d23f42 --- /dev/null +++ b/tests/generic/366 @@ -0,0 +1,175 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2024 Nirjhar Roy (nirjhar@linux.ibm.com). All Rights Reserved. +# +# FS QA Test 366 +# +# This test verifies that extent allocation hint setting works correctly on +# files with no extents allocated and non-empty files which are truncated. +# It also checks that the extent hints setting fails with non-empty file +# i.e, with any file with allocated extents or delayed allocation. We also +# check if the extsize value and the xflag bit actually got reflected after +# setting/re-setting the extsize value. + +. ./common/config +. ./common/filter +. ./common/preamble + +_begin_fstest ioctl quick + +_fixed_by_kernel_commit "2a492ff66673 \ + xfs: Check for delayed allocations before setting \ + extsize" + +_require_scratch_extsize + +FILE_DATA_SIZE=1M + +get_default_extsize() +{ + if [ -z $1 ] || [ ! -d $1 ]; then + echo "Missing mount point argument for get_default_extsize" + exit 1 + fi + $XFS_IO_PROG -c "extsize" "$1" | sed 's/^\[\([0-9]\+\)\].*/\1/' +} + +filter_extsz() +{ + sed "s/\[$1\]/\[EXTSIZE\]/g" +} + +setup() +{ + _scratch_mkfs >> "$seqres.full" 2>&1 + _scratch_mount >> "$seqres.full" 2>&1 + BLKSZ=`_get_block_size $SCRATCH_MNT` + DEFAULT_EXTSIZE=`get_default_extsize $SCRATCH_MNT` + EXTSIZE=$(( BLKSZ*2 )) + # Make sure the new extsize is not the same as the default + # extsize so that we can observe it changing + [[ "$DEFAULT_EXTSIZE" -eq "$EXTSIZE" ]] && EXTSIZE=$(( BLKSZ*4 )) +} + +read_file_extsize() +{ + $XFS_IO_PROG -c "extsize" $1 | _filter_scratch | filter_extsz $2 +} + +check_extsz_and_xflag() +{ + local filename=$1 + local extsize=$2 + read_file_extsize $filename $extsize + _test_fsxattr_xflag $filename "extsize" && echo "e flag set" || \ + echo "e flag unset" +} + +check_extsz_xflag_across_remount() +{ + local filename=$1 + local extsize=$2 + _scratch_cycle_mount + check_extsz_and_xflag $filename $extsize +} + +# Extsize flag should be cleared when extsize is reset, so this function +# checks that this behavior is followed. +reset_extsz_and_recheck_extsz_xflag() +{ + local filename=$1 + echo "Re-setting extsize hint to 0" + $XFS_IO_PROG -c "extsize 0" $filename + check_extsz_xflag_across_remount $filename "0" +} + +check_extsz_xflag_before_and_after_reset() +{ + local filename=$1 + local extsize=$2 + check_extsz_xflag_across_remount $filename $extsize + reset_extsz_and_recheck_extsz_xflag $filename +} + +test_empty_file() +{ + echo "TEST: Set extsize on empty file" + local filename=$1 + $XFS_IO_PROG \ + -c "open -f $filename" \ + -c "extsize $EXTSIZE" \ + + check_extsz_xflag_before_and_after_reset $filename $EXTSIZE + echo +} + +test_data_delayed() +{ + echo "TEST: Set extsize on non-empty file with delayed allocation" + local filename=$1 + $XFS_IO_PROG \ + -c "open -f $filename" \ + -c "pwrite -q 0 $FILE_DATA_SIZE" \ + -c "extsize $EXTSIZE" | _filter_scratch + + echo "test for default extsize setting if any" + read_file_extsize $filename $DEFAULT_EXTSIZE + echo +} + +test_data_allocated() +{ + echo "TEST: Set extsize on non-empty file with allocated extents" + local filename=$1 + $XFS_IO_PROG \ + -c "open -f $filename" \ + -c "pwrite -qW 0 $FILE_DATA_SIZE" \ + -c "extsize $EXTSIZE" | _filter_scratch + + echo "test for default extsize setting if any" + read_file_extsize $filename $DEFAULT_EXTSIZE + echo +} + +test_truncate_allocated() +{ + echo "TEST: Set extsize after truncating a file with allocated extents" + local filename=$1 + $XFS_IO_PROG \ + -c "open -f $filename" \ + -c "pwrite -qW 0 $FILE_DATA_SIZE" \ + -c "truncate 0" \ + -c "extsize $EXTSIZE" \ + + check_extsz_xflag_across_remount $filename $EXTSIZE + echo +} + +test_truncate_delayed() +{ + echo "TEST: Set extsize after truncating a file with delayed allocation" + local filename=$1 + $XFS_IO_PROG \ + -c "open -f $filename" \ + -c "pwrite -q 0 $FILE_DATA_SIZE" \ + -c "truncate 0" \ + -c "extsize $EXTSIZE" \ + + check_extsz_xflag_across_remount $filename $EXTSIZE + echo +} + +setup +echo -e "EXTSIZE = $EXTSIZE DEFAULT_EXTSIZE = $DEFAULT_EXTSIZE \ + BLOCKSIZE = $BLKSZ\n" >> "$seqres.full" + +NEW_FILE_NAME_PREFIX=$SCRATCH_MNT/new-file- + +test_empty_file "$NEW_FILE_NAME_PREFIX"00 +test_data_delayed "$NEW_FILE_NAME_PREFIX"01 +test_data_allocated "$NEW_FILE_NAME_PREFIX"02 +test_truncate_allocated "$NEW_FILE_NAME_PREFIX"03 +test_truncate_delayed "$NEW_FILE_NAME_PREFIX"04 + +status=0 +exit diff --git a/tests/generic/366.out b/tests/generic/366.out new file mode 100644 index 00000000..cdd2f5fa --- /dev/null +++ b/tests/generic/366.out @@ -0,0 +1,26 @@ +QA output created by 366 +TEST: Set extsize on empty file +[EXTSIZE] SCRATCH_MNT/new-file-00 +e flag set +Re-setting extsize hint to 0 +[EXTSIZE] SCRATCH_MNT/new-file-00 +e flag unset + +TEST: Set extsize on non-empty file with delayed allocation +xfs_io: FS_IOC_FSSETXATTR SCRATCH_MNT/new-file-01: Invalid argument +test for default extsize setting if any +[EXTSIZE] SCRATCH_MNT/new-file-01 + +TEST: Set extsize on non-empty file with allocated extents +xfs_io: FS_IOC_FSSETXATTR SCRATCH_MNT/new-file-02: Invalid argument +test for default extsize setting if any +[EXTSIZE] SCRATCH_MNT/new-file-02 + +TEST: Set extsize after truncating a file with allocated extents +[EXTSIZE] SCRATCH_MNT/new-file-03 +e flag set + +TEST: Set extsize after truncating a file with delayed allocation +[EXTSIZE] SCRATCH_MNT/new-file-04 +e flag set +