On Mon, Jan 16, 2017 at 12:30:59PM +0800, Eryu Guan wrote: > On Thu, Jan 12, 2017 at 02:22:06PM -0800, Liu Bo wrote: > > On btrfs, if a large dio write (>=128MB) got splitted, the outstanding_extents > > assertion would complain. Note that CONFIG_BTRFS_ASSERT is required. > > > > Regression test for > > Btrfs: adjust outstanding_extents counter properly when dio write is split > > > > Signed-off-by: Liu Bo <bo.li.liu@xxxxxxxxxx> > > --- > > I didn't figure out how to check if CONFIG_BTRFS_ASSERT is enabled, but since > > there is no btrfs specific stuff in the test case, it might be better to not > > have such a _require check b/c it doesn't make sense to other FS. > > > > tests/generic/392 | 75 +++++++++++++++++++++++++++++++++++++++++++++++++++ > > tests/generic/392.out | 2 ++ > > tests/generic/group | 1 + > > 3 files changed, 78 insertions(+) > > create mode 100755 tests/generic/392 > > create mode 100644 tests/generic/392.out > > There're over 400 generic tests now, seems your repo hasn't been updated > for a long time :) > (sorry for the late reply.) OK :p > > > > diff --git a/tests/generic/392 b/tests/generic/392 > > new file mode 100755 > > index 0000000..4d88c44 > > --- /dev/null > > +++ b/tests/generic/392 > > @@ -0,0 +1,75 @@ > > +#! /bin/bash > > +# FS QA Test generic/392 > > +# > > +# If a larger dio write (size >= 128M) got splitted, the assertion in endio > > +# would complain (CONFIG_BTRFS_ASSERT is required). > > +# > > +# Regression test for > > +# Btrfs: adjust outstanding_extents counter properly when dio write is split > > +# > > +#----------------------------------------------------------------------- > > +# Copyright (c) 2017 Liu Bo. 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 "_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 $seqres.full > > + > > +# real QA test starts here > > + > > +# Modify as appropriate. > > +_supported_fs generic > > +_supported_os Linux > > +_require_scratch > > +_require_odirect > > + > > +# 2G / 1K > > +fsblock=$((1 << 21)) > > +fssize=$((1 << 31)) > > +_require_fs_space $SCRATCH_MNT $fsblock > > You should mkfs & mount $SCRATCH_DEV first before _require_fs_space, > otherwise it's testing against the wrong fs. > > > + > > +_scratch_mkfs_sized $fssize >> $seqres.full 2>&1 > > _scratch_mkfs_sized also make sure SCRATCH_DEV is big enough to make the > filesystem, in this test _require_fs_space and _scratch_mkfs_sized both > could do the work, only one is needed. > > But not all filesystems have _scratch_mkfs_sized support, I'd prefer > using _require_fs_space. > Make sense, thanks for the comments. Thanks, -liubo > Thanks, > Eryu > > > +_scratch_mount >> $seqres.full 2>&1 > > + > > +echo "Silence is golden" > > + > > +blocksize=$(( (128 + 1) * 2 * 1024 * 1024)) > > +$XFS_IO_PROG -f -d -c "pwrite -b ${blocksize} 0 ${blocksize}" $SCRATCH_MNT/testfile.$seq >> $seqres.full 2>&1 > > + > > +_scratch_unmount > > + > > +# success, all done > > +status=0 > > +exit > > diff --git a/tests/generic/392.out b/tests/generic/392.out > > new file mode 100644 > > index 0000000..665233c > > --- /dev/null > > +++ b/tests/generic/392.out > > @@ -0,0 +1,2 @@ > > +QA output created by 392 > > +Silence is golden > > diff --git a/tests/generic/group b/tests/generic/group > > index 2c16bd1..1631933 100644 > > --- a/tests/generic/group > > +++ b/tests/generic/group > > @@ -394,3 +394,4 @@ > > 389 auto quick acl > > 390 auto freeze stress dangerous > > 391 auto quick rw > > +392 auto quick dangerous > > -- > > 2.5.0 > > > > -- > > To unsubscribe from this list: send the line "unsubscribe fstests" in > > the body of a message to majordomo@xxxxxxxxxxxxxxx > > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe fstests" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html