Signed-off-by: Murphy Zhou <jencce.kernel@xxxxxxxxx>
---
v2:
re-number to 738
mkfs and mount scratch in the begining
create more files and comment why
unfreeze in cleanup
tests/generic/738 | 54 +++++++++++++++++++++++++++++++++++++++++++
tests/generic/738.out | 2 ++
2 files changed, 56 insertions(+)
create mode 100755 tests/generic/738
create mode 100644 tests/generic/738.out
diff --git a/tests/generic/738 b/tests/generic/738
new file mode 100755
index 00000000..9f1f9d6b
--- /dev/null
+++ b/tests/generic/738
@@ -0,0 +1,54 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+#
+# FS QA Test 738
+#
+# Test possible deadlock of umount and reclaim memory
+# when there are EOF blocks in files.
+#
+. ./common/preamble
+_begin_fstest freeze auto quick
+
+_cleanup()
+{
+ xfs_freeze -u $SCRATCH_MNT
+ wait
+ cd /
+ rm -r -f $tmp.*
+}
+
+_supported_fs generic
+_require_scratch
+_require_freeze
+
+_scratch_mkfs >> $seqres.full
+_scratch_mount
+
+create_eof_block_file()
+{
+ # Create several EOF blocks in the new file
+ for j in $(seq 1 5); do
+ cat $SCRATCH_MNT/testfile >> $1
+ done
+}
+
+$XFS_IO_PROG -fc "pwrite 0 64k" $SCRATCH_MNT/testfile >> $seqres.full
+
+# Create enough files to make sure there is enough cache
+for i in $(seq 0 1024); do
+ create_eof_block_file $SCRATCH_MNT/$i
+done
+
+sync
+
+xfs_freeze -f $SCRATCH_MNT
+
+# This will hang if bug reproduces
+echo 3 > /proc/sys/vm/drop_caches &
+
+# Wait a while before exiting and unfreezing.
+sleep 3
+# success, all done
+echo "Silence is golden"
+status=0
+exit
diff --git a/tests/generic/738.out b/tests/generic/738.out
new file mode 100644
index 00000000..5719515a
--- /dev/null
+++ b/tests/generic/738.out
@@ -0,0 +1,2 @@
+QA output created by 738
+Silence is golden
--
2.31.1
