From: Brian Foster Subject: Re: [PATCH v8 9/11] xfstests: generic/043: Test multiple fallocate insert/collapse range calls Date: Thu, 15 Jan 2015 07:28:32 -0500 Message-ID: <20150115122831.GA18876@bfoster.bfoster> References: <1421165126-3585-1-git-send-email-linkinjeon@gmail.com> <1421165126-3585-10-git-send-email-linkinjeon@gmail.com> <20150114201710.GB49511@bfoster.bfoster> <004301d030ac$0ad62960$20827c20$@samsung.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Cc: 'Namjae Jeon' , tytso@mit.edu, linux-kernel@vger.kernel.org, xfs@oss.sgi.com, a.sangwan@samsung.com, linux-fsdevel@vger.kernel.org, linux-ext4@vger.kernel.org To: Namjae Jeon Return-path: Content-Disposition: inline In-Reply-To: <004301d030ac$0ad62960$20827c20$@samsung.com> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: xfs-bounces@oss.sgi.com Sender: xfs-bounces@oss.sgi.com List-Id: linux-ext4.vger.kernel.org On Thu, Jan 15, 2015 at 07:14:26PM +0900, Namjae Jeon wrote: > > > > +_require_scratch > > > +_require_xfs_io_command "fiemap" > > > +_require_xfs_io_command "finsert" > > > +_require_xfs_io_command "fcollapse" > > > +_do_die_on_error=y > > > > What is _do_die_on_error for? Seems like that's only relevant for using > > _do()? > > > > > +src=$SCRATCH_MNT/testfile > > > +dest=$SCRATCH_MNT/testfile.dest > > > +BLOCKS=100 > > > +BSIZE=`get_block_size $SCRATCH_MNT` > > > + > > > > rm -f $seqres.full > > > > ... to clear out the old .full file. > > > > > +_scratch_mkfs MKFS_OPTIONS >> $seqres.full 2>&1 > > > > You don't need MKFS_OPTIONS here. In fact, this currently causes a mkfs > > failure (missing $) that we don't detect because we aren't checking that > > the mkfs actually succeeds. All we need to do here is: > > > > _scratch_mkfs >> $seqres.full 2>&1 || _fail "mkfs failed" > > > > If you dig down into _scratch_mkfs(), you'll see that it already > > includes $MKFS_OPTIONS and thus formats the fs as specified by the test > > config. > > > > It might also be a good idea to check that the _scratch_mount below > > succeeds as well... > > > > > +_scratch_mount >> $seqres.full 2>&1 > > > +length=$(($BLOCKS * $BSIZE)) > > > + > > > +# Write file > > > +$XFS_IO_PROG -f -c "pwrite 0 $length" -c fsync $src > /dev/null > > > +cp $src $dest > > > + > > > > It seems quite unlikely for this to not create a single extent given the > > smallish file size and freshly created fs, but who knows with various fs > > types, test configurations, test device sizes, etc. Another option could > > be to check the starting extent count and verify the ending extent count > > matches, rather than assume hardcoded values of 1. > > > > To be honest, even just including the starting extent count in the > > golden output (e.g., add an fiemap command here as well) might be good > > enough to distinguish that failure path from something going wrong in > > the collapse path, should it ever occur. > > > > > +# Insert alternate blocks > > > +for (( j=0; j < $(($BLOCKS/2)); j++ )); do > > > + offset=$((($j*$BSIZE)*2)) > > > + $XFS_IO_PROG -c "finsert $offset $BSIZE" $dest > /dev/null > > > +done > > > + > > > +# Check if 100 extents are present > > > +$XFS_IO_PROG -c "fiemap -v" $dest | grep "^ *[0-9]*:" |wc -l > > > + > > > +_check_scratch_fs > > > +if [ $? -ne 0 ]; then > > > + status=1 > > > + exit > > > +fi > > > + > > > +# Collapse alternate blocks > > > +for (( j=0; j < $(($BLOCKS/2)); j++ )); do > > > + offset=$((($j*$BSIZE))) > > > + $XFS_IO_PROG -c "fcollapse $offset $BSIZE" $dest > /dev/null > > > +done > > > + > > > +# Check if 1 extents are present > > > +$XFS_IO_PROG -c "fiemap -v" $dest | grep "^ *[0-9]*:" |wc -l > > > + > > > +# compare original file and test file. > > > +cmp $src $dest || _fail "file bytes check failed" > > > + > > > +_check_scratch_fs > > > +if [ $? -ne 0 ]; then > > > + status=1 > > > + exit > > > +fi > > > + > > > +umount $SCRATCH_MNT > > > + > > > > The scratch device is unmounted and checked after each test that uses it > > so the above is unnecessary. > I checked your each review points. and updated patch. > > Could you please review below patch ? > Thanks a lot! > > ------------------------------------------------------------------------------ > Subject: [PATCH v9 9/11] xfstests: generic/043: Test multiple fallocate > insert/collapse range calls > > This testcase(043) tries to test finsert range a single alternate block > mulitiple times and test merge code of collase range. > > Signed-off-by: Namjae Jeon > Signed-off-by: Ashish Sangwan > --- > tests/generic/043 | 96 +++++++++++++++++++++++++++++++++++++++++++++++++ > tests/generic/043.out | 2 + > tests/generic/group | 1 + > 3 files changed, 99 insertions(+), 0 deletions(-) > create mode 100644 tests/generic/043 > create mode 100644 tests/generic/043.out > > diff --git a/tests/generic/043 b/tests/generic/043 > new file mode 100644 > index 0000000..a6f91ce > --- /dev/null > +++ b/tests/generic/043 > @@ -0,0 +1,96 @@ > +#! /bin/bash > +# FS QA Test No. generic/043 > +# > +# Test multiple fallocate insert/collapse range calls on same file. > +# Call insert range a single alternate block multiple times until the file > +# is left with 100 extents and as much number of extents. And Call collapse > +# range about the previously inserted ranges to test merge code of collapse > +# range. Also check for data integrity and file system consistency. > +#----------------------------------------------------------------------- > +# Copyright (c) 2014 Samsung Electronics. All Rights Reserved. > +# > +# This program is free software; you can redistribute it and/or > +# modify it under the terms of the GNU General Public License as > +# published by the Free Software Foundation. > +# > +# This program is distributed in the hope that it would be useful, > +# but WITHOUT ANY WARRANTY; without even the implied warranty of > +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the > +# GNU General Public License for more details. > +# > +# You should have received a copy of the GNU General Public License > +# along with this program; if not, write the Free Software Foundation, > +# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA > +# > +#----------------------------------------------------------------------- > +# > + > +seq=`basename $0` > +seqres=$RESULT_DIR/$seq > +echo "QA output created by $seq" > + > +here=`pwd` > +tmp=/tmp/$$ > +status=1 # failure is the default! > +trap "rm -f $tmp.*; exit \$status" 0 1 2 3 15 > + > +# get standard environment, filters and checks > +. ./common/rc > +. ./common/filter > + > +# real QA test starts here > +_supported_fs generic > +_supported_os Linux > + > +_require_scratch > +_require_xfs_io_command "fiemap" > +_require_xfs_io_command "finsert" > +_require_xfs_io_command "fcollapse" > +_do_die_on_error=always Still not sure what the above is for, but otherwise this one looks fine to me: Reviewed-by: Brian Foster > +src=$SCRATCH_MNT/testfile > +dest=$SCRATCH_MNT/testfile.dest > +BLOCKS=100 > +BSIZE=`get_block_size $SCRATCH_MNT` > +rm -f $seqres.full > + > +_scratch_mkfs >> $seqres.full 2>&1 || _fail "mkfs failed" > +_scratch_mount || _fail "mount failed" > +length=$(($BLOCKS * $BSIZE)) > + > +# Write file > +_do "$XFS_IO_PROG -f -c \"pwrite 0 $length\" -c fsync $src" > +cp $src $dest > +extent_before=`$XFS_IO_PROG -c "fiemap -v" $dest | grep "^ *[0-9]*:" |wc -l` > + > +# Insert alternate blocks > +for (( j=0; j < $(($BLOCKS/2)); j++ )); do > + offset=$((($j*$BSIZE)*2)) > + _do "$XFS_IO_PROG -c \"finsert $offset $BSIZE\" $dest" > +done > + > +# Check if 100 extents are present > +$XFS_IO_PROG -c "fiemap -v" $dest | grep "^ *[0-9]*:" |wc -l > + > +_check_scratch_fs > +if [ $? -ne 0 ]; then > + status=1 > + exit > +fi > + > +# Collapse alternate blocks > +for (( j=0; j < $(($BLOCKS/2)); j++ )); do > + offset=$((($j*$BSIZE))) > + _do "$XFS_IO_PROG -c \"fcollapse $offset $BSIZE\" $dest" > +done > + > +extent_after=`$XFS_IO_PROG -c "fiemap -v" $dest | grep "^ *[0-9]*:" |wc -l` > +if [ $extent_before -ne $extent_after ]; then > + echo "extents mismatched before = $extent_before after = $extent_after" > +fi > + > +# compare original file and test file. > +cmp $src $dest || _fail "file bytes check failed" > + > +# success, all done > +status=0 > +exit > diff --git a/tests/generic/043.out b/tests/generic/043.out > new file mode 100644 > index 0000000..28427c5 > --- /dev/null > +++ b/tests/generic/043.out > @@ -0,0 +1,2 @@ > +QA output created by 043 > +100 > diff --git a/tests/generic/group b/tests/generic/group > index c0944b3..0a10bdd 100644 > --- a/tests/generic/group > +++ b/tests/generic/group > @@ -45,6 +45,7 @@ > 040 auto quick prealloc > 041 auto quick prealloc > 042 auto quick prealloc > +043 auto quick prealloc > 053 acl repair auto quick > 062 attr udf auto quick > 068 other auto freeze dangerous stress > -- > 1.7.7 > > _______________________________________________ xfs mailing list xfs@oss.sgi.com http://oss.sgi.com/mailman/listinfo/xfs