Message ID | f9a293a382e81ba55e2a321634cb1548d7f69627.1583186857.git.osandov@fb.com (mailing list archive) |
---|---|
State | New, archived |
Headers | show |
Series | [fstests] btrfs: add test for large direct I/O reads w/ RAID | expand |
On Mon, Mar 02, 2020 at 02:08:45PM -0800, Omar Sandoval wrote: > From: Omar Sandoval <osandov@fb.com> > > Apparently we don't have any tests which exercise the code path in Btrfs > that has to split up direct I/Os for RAID stripes. Add one to catch the > bug fixed by "btrfs: fix RAID direct I/O reads with alternate csums". > --- > I also had to fix up the tests/btrfs/group file, which had a renumbering > issue that was preventing me from adding a new test. > > tests/btrfs/207 | 58 +++++++++++++++++++++++++++++++++++++++++++++ > tests/btrfs/207.out | 2 ++ > tests/btrfs/group | 3 ++- > 3 files changed, 62 insertions(+), 1 deletion(-) > create mode 100755 tests/btrfs/207 > create mode 100644 tests/btrfs/207.out > > diff --git a/tests/btrfs/207 b/tests/btrfs/207 > new file mode 100755 > index 00000000..99e57cb8 > --- /dev/null > +++ b/tests/btrfs/207 > @@ -0,0 +1,58 @@ > +#! /bin/bash > +# SPDX-License-Identifier: GPL-2.0 > +# Copyright (c) 2020 Facebook. All Rights Reserved. > +# > +# FS QA Test 207 > +# > +# Test large DIO reads with various profiles. Regression test for patch "btrfs: > +# fix RAID direct I/O reads with alternate csums". Hmm, I might as well make this test also exercise direct I/O writes, not just reads. I'll send a v2.
On 3/2/20 5:08 PM, Omar Sandoval wrote: > From: Omar Sandoval <osandov@fb.com> > > Apparently we don't have any tests which exercise the code path in Btrfs > that has to split up direct I/Os for RAID stripes. Add one to catch the > bug fixed by "btrfs: fix RAID direct I/O reads with alternate csums". > --- Reviewed-by: Josef Bacik <josef@toxicpanda.com> Thanks, Josef
diff --git a/tests/btrfs/207 b/tests/btrfs/207 new file mode 100755 index 00000000..99e57cb8 --- /dev/null +++ b/tests/btrfs/207 @@ -0,0 +1,58 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2020 Facebook. All Rights Reserved. +# +# FS QA Test 207 +# +# Test large DIO reads with various profiles. Regression test for patch "btrfs: +# fix RAID direct I/O reads with alternate csums". +# +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 $seqres.full + +_supported_fs btrfs +_supported_os Linux +# we check scratch dev after each loop +_require_scratch_nocheck +_require_scratch_dev_pool 4 +_btrfs_get_profile_configs + +for mkfs_opts in "${_btrfs_profile_configs[@]}"; do + echo "Test $mkfs_opts" >>$seqres.full + _scratch_pool_mkfs $mkfs_opts >>$seqres.full 2>&1 + _scratch_mount >>$seqres.full 2>&1 + + dd if=/dev/urandom of="$SCRATCH_MNT/$seq" \ + bs=1M count=64 conv=fsync status=none + dd if="$SCRATCH_MNT/$seq" of="$SCRATCH_MNT/$seq.copy" \ + bs=1M iflag=direct status=none + diff -q "$SCRATCH_MNT/$seq" "$SCRATCH_MNT/$seq.copy" | + tee -a $seqres.full + + _scratch_unmount + _check_scratch_fs +done + +echo "Silence is golden" + +status=0 +exit diff --git a/tests/btrfs/207.out b/tests/btrfs/207.out new file mode 100644 index 00000000..cb8e0e2b --- /dev/null +++ b/tests/btrfs/207.out @@ -0,0 +1,2 @@ +QA output created by 207 +Silence is golden diff --git a/tests/btrfs/group b/tests/btrfs/group index e3ad347b..c87a042e 100644 --- a/tests/btrfs/group +++ b/tests/btrfs/group @@ -208,4 +208,5 @@ 203 auto quick send clone 204 auto quick punch 205 auto quick clone compress -204 auto quick log replay +206 auto quick log replay +207 auto quick rw raid
From: Omar Sandoval <osandov@fb.com> Apparently we don't have any tests which exercise the code path in Btrfs that has to split up direct I/Os for RAID stripes. Add one to catch the bug fixed by "btrfs: fix RAID direct I/O reads with alternate csums". --- I also had to fix up the tests/btrfs/group file, which had a renumbering issue that was preventing me from adding a new test. tests/btrfs/207 | 58 +++++++++++++++++++++++++++++++++++++++++++++ tests/btrfs/207.out | 2 ++ tests/btrfs/group | 3 ++- 3 files changed, 62 insertions(+), 1 deletion(-) create mode 100755 tests/btrfs/207 create mode 100644 tests/btrfs/207.out