On 22/08/2025 09:02, Ojaswin Mujoo wrote:
Stress file with atomic writes to ensure we excercise codepaths
exercise
where we are mixing different FS operations with atomic writes
Suggested-by: Ritesh Harjani (IBM) <ritesh.list@xxxxxxxxx>
Reviewed-by: Darrick J. Wong <djwong@xxxxxxxxxx>
Signed-off-by: Ojaswin Mujoo <ojaswin@xxxxxxxxxxxxx>
Reviewed-by: John Garry <john.g.garry@xxxxxxxxxx>
---
tests/generic/1229 | 68 ++++++++++++++++++++++++++++++++++++++++++
tests/generic/1229.out | 2 ++
2 files changed, 70 insertions(+)
create mode 100755 tests/generic/1229
create mode 100644 tests/generic/1229.out
diff --git a/tests/generic/1229 b/tests/generic/1229
new file mode 100755
index 00000000..7fa57105
--- /dev/null
+++ b/tests/generic/1229
@@ -0,0 +1,68 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2025 IBM Corporation. All Rights Reserved.
+#
+# FS QA Test 1229
+#
+# fuzz fsx with atomic writes
+#
+. ./common/preamble
+. ./common/atomicwrites
+_begin_fstest rw auto quick atomicwrites
+
+_require_odirect
+_require_scratch_write_atomic
+
+_scratch_mkfs >> $seqres.full 2>&1
+_scratch_mount >> $seqres.full 2>&1
+
+testfile=$SCRATCH_MNT/testfile
+touch $testfile
+
+awu_max=$(_get_atomic_write_unit_max $testfile)
+blksz=$(_get_block_size $SCRATCH_MNT)
+bsize=`$here/src/min_dio_alignment $SCRATCH_MNT $SCRATCH_DEV`
+
+set_fsx_avoid() {
+ local file=$1
+
+ case "$FSTYP" in
+ "ext4")
+ local dev=$(findmnt -n -o SOURCE --target $testfile)
+
+ # fsx insert/collpase range support for ext4+bigalloc is
+ # currently broken, so disable it. Also disable incase we can't
in case
+ # detect bigalloc to be on safer side.
+ if [ -z "$DUMPE2FS_PROG" ]; then
+ echo "dumpe2fs not found, disabling insert/collapse range" >> $seqres.full
+ FSX_AVOID+=" -I -C"
+ return
+ fi
+
+ $DUMPE2FS_PROG -h $dev 2>&1 | grep -q bigalloc && {
+ echo "fsx insert/collapse range not supported with bigalloc. Disabling.." >> $seqres.full
+ FSX_AVOID+=" -I -C"
+ }
+ ;;
+ *)
+ ;;
+ esac
+}
+
+# fsx usage:
+#
+# -N numops: total # operations to do
+# -l flen: the upper bound on file size
+# -o oplen: the upper bound on operation size (64k default)
+# -Z: O_DIRECT ()
+
+set_fsx_avoid
+_run_fsx_on_file $testfile -N 10000 -o $awu_max -A -l 500000 -r $bsize -w $bsize -Z $FSX_AVOID >> $seqres.full
+if [[ "$?" != "0" ]]
+then
+ _fail "fsx returned error: $?"
+fi
+
+echo "Silence is golden"
+status=0
+exit
diff --git a/tests/generic/1229.out b/tests/generic/1229.out
new file mode 100644
index 00000000..737d61c6
--- /dev/null
+++ b/tests/generic/1229.out
@@ -0,0 +1,2 @@
+QA output created by 1229
+Silence is golden
