This test covers the following two issues:
1) discard sector need to be aligned with logical block size
2) make sure 'sector_t' instead of 'unsigned int' is used when comparing
with discard sector size
Signed-off-by: Ming Lei <ming.lei@xxxxxxxxxx>
---
tests/block/025 | 37 +++++++++++++++++++++++++++++++++++++
tests/block/025.out | 2 ++
2 files changed, 39 insertions(+)
create mode 100755 tests/block/025
create mode 100644 tests/block/025.out
diff --git a/tests/block/025 b/tests/block/025
new file mode 100755
index 000000000000..32b632431793
--- /dev/null
+++ b/tests/block/025
@@ -0,0 +1,37 @@
+#!/bin/bash
+# SPDX-License-Identifier: GPL-3.0+
+# Copyright (C) 2018 Ming Lei <ming.lei@xxxxxxxxxx>
+#
+# Check two corener cases of BLKDISCARD.
+#
+# 1) test if discard bio's sector is algined with logical size, fixed by
+# 1adfc5e4136f ("block: make sure discard bio is aligned with logical block size")
+# 2) test 32 bit overflow when comparing discard sector size. Fixed by
+# 4800bf7bc8c72 ("block: fix 32 bit overflow in __blkdev_issue_discard()")
+
+. tests/block/rc
+. common/scsi_debug
+
+DESCRIPTION="check sector alignment and sector size overflow of BLKDISCARD"
+
+requires() {
+ _have_scsi_debug
+}
+
+test() {
+ echo "Running ${TEST_NAME}"
+
+ rm -f "$FULL"
+
+ # Create virtual device with unmap_zeroes_data support
+ if ! _init_scsi_debug virtual_gb=2049 sector_size=4096 lbpws10=1 dev_size_mb=512; then
+ return 1
+ fi
+
+ local dev="/dev/${SCSI_DEBUG_DEVICES[0]}"
+ blkdiscard "$dev"
+
+ _exit_scsi_debug
+
+ echo "Test complete"
+}
diff --git a/tests/block/025.out b/tests/block/025.out
new file mode 100644
index 000000000000..fd9a6d5f70de
--- /dev/null
+++ b/tests/block/025.out
@@ -0,0 +1,2 @@
+Running block/025
+Test complete
--
2.9.5
