[PATCH 11/12] btrfs: validate send-receive operation with tempfsid.

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Given concurrent mounting of both the original and its clone device on
the same system, this test confirms the integrity of send and receive
operations in the presence of active tempfsid.

Signed-off-by: Anand Jain <anand.jain@xxxxxxxxxx>
---
 tests/btrfs/314     | 85 +++++++++++++++++++++++++++++++++++++++++++++
 tests/btrfs/314.out | 30 ++++++++++++++++
 2 files changed, 115 insertions(+)
 create mode 100755 tests/btrfs/314
 create mode 100644 tests/btrfs/314.out

diff --git a/tests/btrfs/314 b/tests/btrfs/314
new file mode 100755
index 000000000000..1ceb448d2a5e
--- /dev/null
+++ b/tests/btrfs/314
@@ -0,0 +1,85 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2024 Oracle.  All Rights Reserved.
+#
+# FS QA Test 314
+#
+# Send and receive functionality test between a normal and
+# tempfsid filesystem.
+#
+. ./common/preamble
+_begin_fstest auto quick snapshot tempfsid
+
+_cleanup()
+{
+	cd /
+	umount $tempfsid_mnt 2>/dev/null
+	rm -r -f $tmp.*
+	rm -r -f $sendfile
+	rm -r -f $tempfsid_mnt
+}
+
+. ./common/filter.btrfs
+
+_supported_fs btrfs
+_require_btrfs_sysfs_fsid
+_require_scratch_dev_pool 2
+_require_btrfs_fs_feature temp_fsid
+_require_btrfs_command inspect-internal dump-super
+_require_btrfs_mkfs_uuid_option
+
+_scratch_dev_pool_get 2
+
+# mount point for the tempfsid device
+tempfsid_mnt=$TEST_DIR/$seq/tempfsid_mnt
+sendfile=$TEST_DIR/$seq/replicate.send
+
+send_receive_tempfsid()
+{
+	local src=$1
+	local dst=$2
+
+	echo ---- $FUNCNAME ----
+
+	# Use first 2 devices from the SCRATCH_DEV_POOL
+	mkfs_clone ${SCRATCH_DEV} ${SCRATCH_DEV_NAME[1]}
+	_scratch_mount
+	_mount ${SCRATCH_DEV_NAME[1]} ${tempfsid_mnt}
+
+
+	$XFS_IO_PROG -fc 'pwrite -S 0x61 0 9000' ${src}/foo | _filter_xfs_io
+	$BTRFS_UTIL_PROG subvolume snapshot -r ${src} ${src}/snap1 | \
+						_filter_testdir_and_scratch
+
+	echo Send ${src} | _filter_testdir_and_scratch
+	$BTRFS_UTIL_PROG send -f ${sendfile} ${src}/snap1 2>&1 | \
+						_filter_testdir_and_scratch
+	echo Receive ${dst} | _filter_testdir_and_scratch
+	$BTRFS_UTIL_PROG receive -f ${sendfile} ${dst} | \
+						_filter_testdir_and_scratch
+	echo -e -n "Send:\n"
+	sha256sum ${src}/foo | _filter_testdir_and_scratch
+	echo -e -n "Receive:\n"
+	sha256sum ${dst}/snap1/foo | _filter_testdir_and_scratch
+}
+
+mkdir -p $tempfsid_mnt
+
+echo Test Send and Receive
+echo -e \\nFrom non-tempfsid ${SCRATCH_MNT} to tempfsid ${tempfsid_mnt} | \
+						_filter_testdir_and_scratch
+send_receive_tempfsid $SCRATCH_MNT $tempfsid_mnt
+
+_scratch_unmount
+_cleanup
+mkdir -p $tempfsid_mnt
+
+echo -e \\nFrom tempfsid ${tempfsid_mnt} to non-tempfsid ${SCRATCH_MNT} | \
+						_filter_testdir_and_scratch
+send_receive_tempfsid $tempfsid_mnt $SCRATCH_MNT
+
+_scratch_dev_pool_put
+
+# success, all done
+status=0
+exit
diff --git a/tests/btrfs/314.out b/tests/btrfs/314.out
new file mode 100644
index 000000000000..eb0010da264e
--- /dev/null
+++ b/tests/btrfs/314.out
@@ -0,0 +1,30 @@
+QA output created by 314
+Test Send and Receive
+
+From non-tempfsid SCRATCH_MNT to tempfsid TEST_DIR/314/tempfsid_mnt
+---- send_receive_tempfsid ----
+wrote 9000/9000 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+Create a readonly snapshot of 'SCRATCH_MNT' in 'SCRATCH_MNT/snap1'
+Send SCRATCH_MNT
+At subvol SCRATCH_MNT/snap1
+Receive TEST_DIR/314/tempfsid_mnt
+At subvol snap1
+Send:
+0598aa54768194ade580b9806ac98ace43a0310aeceae95762f62491625eee52  SCRATCH_MNT/foo
+Receive:
+0598aa54768194ade580b9806ac98ace43a0310aeceae95762f62491625eee52  TEST_DIR/314/tempfsid_mnt/snap1/foo
+
+From tempfsid TEST_DIR/314/tempfsid_mnt to non-tempfsid SCRATCH_MNT
+---- send_receive_tempfsid ----
+wrote 9000/9000 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+Create a readonly snapshot of 'TEST_DIR/314/tempfsid_mnt' in 'TEST_DIR/314/tempfsid_mnt/snap1'
+Send TEST_DIR/314/tempfsid_mnt
+At subvol TEST_DIR/314/tempfsid_mnt/snap1
+Receive SCRATCH_MNT
+At subvol snap1
+Send:
+0598aa54768194ade580b9806ac98ace43a0310aeceae95762f62491625eee52  TEST_DIR/314/tempfsid_mnt/foo
+Receive:
+0598aa54768194ade580b9806ac98ace43a0310aeceae95762f62491625eee52  SCRATCH_MNT/snap1/foo
-- 
2.39.3





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