From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 5DED9C4332F for ; Tue, 18 Oct 2022 22:45:35 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230055AbiJRWpd (ORCPT ); Tue, 18 Oct 2022 18:45:33 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58772 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230056AbiJRWpc (ORCPT ); Tue, 18 Oct 2022 18:45:32 -0400 Received: from ams.source.kernel.org (ams.source.kernel.org [145.40.68.75]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2093D56033; Tue, 18 Oct 2022 15:45:31 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by ams.source.kernel.org (Postfix) with ESMTPS id 37604B81F2D; Tue, 18 Oct 2022 22:45:29 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id E5A5AC433D6; Tue, 18 Oct 2022 22:45:27 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1666133128; bh=YfXXP97oJlX0NyPmL1i5AjhlPzUrW1og3xyazOcTc/A=; h=Subject:From:To:Cc:Date:In-Reply-To:References:From; b=YaqfS72Msp2+HpQ8nJ1DJkaiJo9XVcIhsRKpsP78nBI/N7N1uDhLJqCiHo13FKs1P yEoebXwiNDyYtXAyQoCgsX8DaSgwShkoZe1R3G/F0FzMV25hBWjDFrV39Bd4o2W51p r8TP+bz2knf194mrU92LCYShpS5OJhzNIIae+Vzd3MB/L9v0ihFOcb/pxiKCbMr3Gq c+myvCcXqa5ubph4cEFfQTKWWptUFwxaE/qJgr6BPolQ0ASwtCroffiUhsDmMyDpT/ 53AQ4ZtST02Ji01n7b6riIN+OPfSRTFw5WCELDzSGyL1WWTm9eSQsCrnrm7DALmHaa 2+iXN0hxZqVmA== Subject: [PATCH 1/3] xfs: refactor filesystem feature detection logic From: "Darrick J. Wong" To: djwong@kernel.org, guaneryu@gmail.com, zlang@redhat.com Cc: linux-xfs@vger.kernel.org, fstests@vger.kernel.org, guan@eryu.me Date: Tue, 18 Oct 2022 15:45:27 -0700 Message-ID: <166613312749.868141.7487830883814756598.stgit@magnolia> In-Reply-To: <166613312194.868141.5162859918517610030.stgit@magnolia> References: <166613312194.868141.5162859918517610030.stgit@magnolia> User-Agent: StGit/0.19 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: fstests@vger.kernel.org From: Darrick J. Wong There are a lot of places where we open-code detecting features of a specific filesystem. Refactor this into a couple of helpers in preparation for adding stress tests for online repair and fuzzing. Signed-off-by: Darrick J. Wong --- common/populate | 14 ++++++----- common/rc | 9 +++++++ common/xfs | 67 ++++++++++++++++++++++++++++++++++++++++++++++--------- tests/xfs/097 | 2 +- tests/xfs/151 | 3 +- tests/xfs/271 | 2 +- tests/xfs/307 | 2 +- tests/xfs/308 | 2 +- tests/xfs/348 | 2 +- 9 files changed, 77 insertions(+), 26 deletions(-) diff --git a/common/populate b/common/populate index 58b07e33be..9fa1a06798 100644 --- a/common/populate +++ b/common/populate @@ -131,7 +131,7 @@ _populate_xfs_qmount_option() fi # Turn on all the quotas - if $XFS_INFO_PROG "${TEST_DIR}" | grep -q 'crc=1'; then + if _xfs_has_feature "$TEST_DIR" crc; then # v5 filesystems can have group & project quotas quota="usrquota,grpquota,prjquota" else @@ -176,7 +176,7 @@ _scratch_xfs_populate() { blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")" dblksz="$($XFS_INFO_PROG "${SCRATCH_MNT}" | grep naming.*bsize | sed -e 's/^.*bsize=//g' -e 's/\([0-9]*\).*$/\1/g')" - crc="$($XFS_INFO_PROG "${SCRATCH_MNT}" | grep crc= | sed -e 's/^.*crc=//g' -e 's/\([0-9]*\).*$/\1/g')" + crc="$(_xfs_has_feature "$SCRATCH_MNT" crc -v)" if [ $crc -eq 1 ]; then leaf_hdr_size=64 else @@ -315,7 +315,7 @@ _scratch_xfs_populate() { done # Reverse-mapping btree - is_rmapbt="$($XFS_INFO_PROG "${SCRATCH_MNT}" | grep -c 'rmapbt=1')" + is_rmapbt="$(_xfs_has_feature "$SCRATCH_MNT" rmapbt -v)" if [ $is_rmapbt -gt 0 ]; then echo "+ rmapbt btree" nr="$((blksz * 2 / 24))" @@ -332,7 +332,7 @@ _scratch_xfs_populate() { fi # Reference-count btree - is_reflink="$($XFS_INFO_PROG "${SCRATCH_MNT}" | grep -c 'reflink=1')" + is_reflink="$(_xfs_has_feature "$SCRATCH_MNT" reflink -v)" if [ $is_reflink -gt 0 ]; then echo "+ reflink btree" nr="$((blksz * 2 / 12))" @@ -597,9 +597,9 @@ _scratch_xfs_populate_check() { leaf_attr="$(__populate_find_inode "${SCRATCH_MNT}/ATTR.FMT_LEAF")" node_attr="$(__populate_find_inode "${SCRATCH_MNT}/ATTR.FMT_NODE")" btree_attr="$(__populate_find_inode "${SCRATCH_MNT}/ATTR.FMT_BTREE")" - is_finobt=$($XFS_INFO_PROG "${SCRATCH_MNT}" | grep -c 'finobt=1') - is_rmapbt=$($XFS_INFO_PROG "${SCRATCH_MNT}" | grep -c 'rmapbt=1') - is_reflink=$($XFS_INFO_PROG "${SCRATCH_MNT}" | grep -c 'reflink=1') + is_finobt=$(_xfs_has_feature "$SCRATCH_MNT" finobt -v) + is_rmapbt=$(_xfs_has_feature "$SCRATCH_MNT" rmapbt -v) + is_reflink=$(_xfs_has_feature "$SCRATCH_MNT" reflink -v) blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")" dblksz="$($XFS_INFO_PROG "${SCRATCH_MNT}" | grep naming.*bsize | sed -e 's/^.*bsize=//g' -e 's/\([0-9]*\).*$/\1/g')" diff --git a/common/rc b/common/rc index f4785c17ca..7944ef550e 100644 --- a/common/rc +++ b/common/rc @@ -247,7 +247,14 @@ _supports_filetype() local fstyp=`$DF_PROG $dir | tail -1 | $AWK_PROG '{print $2}'` case "$fstyp" in xfs) - $XFS_INFO_PROG $dir | grep -q "ftype=1" + # If _xfs_has_feature is not present, grep xfs_info directly. + # This can happen if we're testing overlayfs atop XFS and have + # not sourced ./common/xfs. + if command -v "_xfs_has_feature" &>/dev/null; then + _xfs_has_feature $dir ftype + else + $XFS_INFO_PROG $dir | grep -q "ftype=1" + fi ;; ext2|ext3|ext4) local dev=`$DF_PROG $dir | tail -1 | $AWK_PROG '{print $1}'` diff --git a/common/xfs b/common/xfs index 2cd8254937..c7496bce3f 100644 --- a/common/xfs +++ b/common/xfs @@ -422,6 +422,56 @@ _require_xfs_crc() _scratch_unmount } +# If the xfs_info output for the given XFS filesystem mount mentions the given +# feature. If so, return 0 for success. If not, return 1 for failure. If the +# third option is -v, echo 1 for success and 0 for not. +# +# Starting with xfsprogs 4.17, this also works for unmounted filesystems. +_xfs_has_feature() +{ + local fs="$1" + local feat="$2" + local verbose="$3" + + local answer="$($XFS_INFO_PROG "$fs" 2>&1 | grep -w -c "$feat=1")" + if [ "$answer" -ne 0 ]; then + test "$verbose" = "-v" && echo 1 + return 0 + fi + + test "$verbose" = "-v" && echo 0 + return 1 +} + +# Require that the xfs_info output for the given XFS filesystem mount mentions +# the given feature flag. If the third argument is -u (or is empty and the +# second argument is $SCRATCH_MNT), unmount the fs on failure. If a fourth +# argument is supplied, it will be used as the _notrun message. +_require_xfs_has_feature() +{ + local fs="$1" + local feat="$2" + local umount="$3" + local message="$4" + + if [ -z "$umount" ] && [ "$fs" = "$SCRATCH_MNT" ]; then + umount="-u" + fi + + _xfs_has_feature "$1" "$2" && return 0 + + test "$umount" = "-u" && umount "$fs" &>/dev/null + + test -n "$message" && _notrun "$message" + + case "$fs" in + "$TEST_DIR"|"$TEST_DEV") fsname="test";; + "$SCRATCH_MNT"|"$SCRATCH_DEV") fsname="scratch";; + *) fsname="$fs";; + esac + _notrun "$2 not supported by $fsname filesystem type: $FSTYP" +} + # this test requires the xfs kernel support crc feature on scratch device # _require_scratch_xfs_crc() @@ -429,7 +479,8 @@ _require_scratch_xfs_crc() _scratch_mkfs_xfs >/dev/null 2>&1 _try_scratch_mount >/dev/null 2>&1 \ || _notrun "Kernel doesn't support crc feature" - $XFS_INFO_PROG $SCRATCH_MNT | grep -q 'crc=1' || _notrun "crc feature not supported by this filesystem" + _require_xfs_has_feature $SCRATCH_MNT crc -u \ + "crc feature not supported by this filesystem" _scratch_unmount } @@ -748,10 +799,7 @@ _check_xfs_test_fs() _require_xfs_test_rmapbt() { _require_test - - if [ "$($XFS_INFO_PROG "$TEST_DIR" | grep -c "rmapbt=1")" -ne 1 ]; then - _notrun "rmapbt not supported by test filesystem type: $FSTYP" - fi + _require_xfs_has_feature "$TEST_DIR" rmapbt } _require_xfs_scratch_rmapbt() @@ -760,10 +808,7 @@ _require_xfs_scratch_rmapbt() _scratch_mkfs > /dev/null _scratch_mount - if [ "$($XFS_INFO_PROG "$SCRATCH_MNT" | grep -c "rmapbt=1")" -ne 1 ]; then - _scratch_unmount - _notrun "rmapbt not supported by scratch filesystem type: $FSTYP" - fi + _require_xfs_has_feature "$SCRATCH_MNT" rmapbt _scratch_unmount } @@ -1366,8 +1411,8 @@ _require_scratch_xfs_bigtime() _notrun "mkfs.xfs doesn't support bigtime feature" _try_scratch_mount || \ _notrun "kernel doesn't support xfs bigtime feature" - $XFS_INFO_PROG "$SCRATCH_MNT" | grep -q -w "bigtime=1" || \ - _notrun "bigtime feature not advertised on mount?" + _require_xfs_has_feature $SCRATCH_MNT bigtime -u \ + "crc feature not supported by this filesystem" _scratch_unmount } diff --git a/tests/xfs/097 b/tests/xfs/097 index 4cad7216cd..1df34eeddc 100755 --- a/tests/xfs/097 +++ b/tests/xfs/097 @@ -42,7 +42,7 @@ _scratch_mkfs_xfs -m crc=1,finobt=1 > /dev/null echo "+ mount fs image" _scratch_mount -$XFS_INFO_PROG "${SCRATCH_MNT}" | grep -q "finobt=1" || _notrun "finobt not enabled" +_require_xfs_has_feature "$SCRATCH_MNT" finobt blksz="$(stat -f -c '%s' "${SCRATCH_MNT}")" echo "+ make some files" diff --git a/tests/xfs/151 b/tests/xfs/151 index 66425f6710..b2fe16aefb 100755 --- a/tests/xfs/151 +++ b/tests/xfs/151 @@ -24,8 +24,7 @@ echo "Format filesystem and populate" _scratch_mkfs > $seqres.full _scratch_mount >> $seqres.full -$XFS_INFO_PROG $SCRATCH_MNT | grep -q ftype=1 || \ - _notrun "filesystem does not support ftype" +_require_xfs_has_feature "$SCRATCH_MNT" ftype filter_ls() { awk ' diff --git a/tests/xfs/271 b/tests/xfs/271 index 14d64cd0e5..d67ac4d6c1 100755 --- a/tests/xfs/271 +++ b/tests/xfs/271 @@ -37,7 +37,7 @@ agcount=$(_xfs_mount_agcount $SCRATCH_MNT) # same owner (per-AG metadata) for rmap btree blocks and blocks on the AGFL and # the reverse mapping index merges records, the number of per-AG extents # reported will vary depending on whether the refcount btree is enabled. -$XFS_INFO_PROG $SCRATCH_MNT | grep -q reflink=1 +_require_xfs_has_feature "$SCRATCH_MNT" reflink has_reflink=$(( 1 - $? )) perag_metadata_exts=2 test $has_reflink -gt 0 && perag_metadata_exts=$((perag_metadata_exts + 1)) diff --git a/tests/xfs/307 b/tests/xfs/307 index ba7204dd00..f3c970fadf 100755 --- a/tests/xfs/307 +++ b/tests/xfs/307 @@ -22,7 +22,7 @@ _require_scratch_reflink echo "Format" _scratch_mkfs > $seqres.full 2>&1 _scratch_mount >> $seqres.full -is_rmap=$($XFS_INFO_PROG $SCRATCH_MNT | grep -c "rmapbt=1") +is_rmap=$(_xfs_has_feature $SCRATCH_MNT rmapbt -v) _scratch_unmount _get_agf_data() { diff --git a/tests/xfs/308 b/tests/xfs/308 index d0f47f5038..6da6622e14 100755 --- a/tests/xfs/308 +++ b/tests/xfs/308 @@ -22,7 +22,7 @@ _require_scratch_reflink echo "Format" _scratch_mkfs > $seqres.full 2>&1 _scratch_mount >> $seqres.full -is_rmap=$($XFS_INFO_PROG $SCRATCH_MNT | grep -c "rmapbt=1") +is_rmap=$(_xfs_has_feature $SCRATCH_MNT rmapbt -v) _scratch_xfs_unmount_dirty _get_agf_data() { diff --git a/tests/xfs/348 b/tests/xfs/348 index faf2dca50b..d1645d9462 100755 --- a/tests/xfs/348 +++ b/tests/xfs/348 @@ -39,7 +39,7 @@ mknod $testdir/CHRDEV c 1 1 mknod $testdir/BLKDEV b 1 1 mknod $testdir/FIFO p -$XFS_INFO_PROG $SCRATCH_MNT | grep -q "ftype=1" && FTYPE_FEATURE=1 +_xfs_has_feature $SCRATCH_MNT ftype && FTYPE_FEATURE=1 # Record test dir inode for xfs_repair filter inode_filter=$tmp.sed