[v3,3/7] btrfs: add fstest for stripe-tree metadata with 4k write

Commit Message

Johannes Thumshirn Dec. 5, 2023, 5:47 p.m. UTC

Test a simple 4k write on all RAID profiles currently supported with the
raid-stripe-tree.

Signed-off-by: Johannes Thumshirn <[e-mail]>
---
 tests/btrfs/304     | 53 ++++++++++++++++++++++++++++++++++++++++++++++++
 tests/btrfs/304.out | 58 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 111 insertions(+)

Patch

diff --git a/tests/btrfs/304 b/tests/btrfs/304
new file mode 100755
index 000000000000..b773168ca3c0
--- /dev/null
+++ b/tests/btrfs/304
@@ -0,0 +1,53 @@ 
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2023 Western Digital Cooperation.  All Rights Reserved.
+#
+# FS QA Test 302
+#
+# Test on-disk layout of RAID Stripe Tree Metadata writing 4k to a new file on
+# a pristine file system.
+#
+. ./common/preamble
+_begin_fstest auto quick raid remount volume raid-stripe-tree
+
+. ./common/filter
+. ./common/filter.btrfs
+
+_supported_fs btrfs
+_require_btrfs_command inspect-internal dump-tree
+_require_btrfs_mkfs_feature "raid-stripe-tree"
+_require_scratch_dev_pool 4
+_require_btrfs_fs_feature "raid_stripe_tree"
+
+test_4k_write()
+{
+	local profile=$1
+	local ndevs=$2
+
+	_scratch_dev_pool_get $ndevs
+
+	echo "==== Testing $profile ===="
+	_scratch_pool_mkfs -d $profile -m $profile -O raid-stripe-tree
+	_scratch_mount
+
+	$XFS_IO_PROG -fc "pwrite 0 4k" "$SCRATCH_MNT/foo" | _filter_xfs_io
+
+	_scratch_cycle_mount
+	md5sum "$SCRATCH_MNT/foo" | _filter_scratch
+
+	_scratch_unmount
+
+	$BTRFS_UTIL_PROG inspect-internal dump-tree -t raid_stripe $SCRATCH_DEV_POOL |\
+		_filter_btrfs_version |  _filter_stripe_tree
+
+	_scratch_dev_pool_put
+}
+
+echo "= Test basic 4k write ="
+test_4k_write raid0 2
+test_4k_write raid1 2
+test_4k_write raid10 4
+
+# success, all done
+status=0
+exit
diff --git a/tests/btrfs/304.out b/tests/btrfs/304.out
new file mode 100644
index 000000000000..48036efbf0cf
--- /dev/null
+++ b/tests/btrfs/304.out
@@ -0,0 +1,58 @@ 
+QA output created by 304
+= Test basic 4k write =
+==== Testing raid0 ====
+wrote 4096/4096 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+5fed275e7617a806f94c173746a2a723  SCRATCH_MNT/foo
+
+raid stripe tree key (RAID_STRIPE_TREE ROOT_ITEM 0) 
+leaf XXXXXXXXX items X free space XXXXX generation X owner RAID_STRIPE_TREE
+leaf XXXXXXXXX flags 0x1(WRITTEN) backref revision 1
+checksum stored <CHECKSUM>
+checksum calced <CHECKSUM>
+fs uuid <UUID>
+chunk uuid <UUID>
+	item 0 key (XXXXXX RAID_STRIPE 4096) itemoff XXXXX itemsize 24
+			encoding: RAID0
+			stripe 0 devid 1 physical XXXXXXXXX
+total bytes XXXXXXXX
+bytes used XXXXXX
+uuid <UUID>
+==== Testing raid1 ====
+wrote 4096/4096 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+5fed275e7617a806f94c173746a2a723  SCRATCH_MNT/foo
+
+raid stripe tree key (RAID_STRIPE_TREE ROOT_ITEM 0) 
+leaf XXXXXXXXX items X free space XXXXX generation X owner RAID_STRIPE_TREE
+leaf XXXXXXXXX flags 0x1(WRITTEN) backref revision 1
+checksum stored <CHECKSUM>
+checksum calced <CHECKSUM>
+fs uuid <UUID>
+chunk uuid <UUID>
+	item 0 key (XXXXXX RAID_STRIPE 4096) itemoff XXXXX itemsize 40
+			encoding: RAID1
+			stripe 0 devid 1 physical XXXXXXXXX
+			stripe 1 devid 2 physical XXXXXXXXX
+total bytes XXXXXXXX
+bytes used XXXXXX
+uuid <UUID>
+==== Testing raid10 ====
+wrote 4096/4096 bytes at offset 0
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+5fed275e7617a806f94c173746a2a723  SCRATCH_MNT/foo
+
+raid stripe tree key (RAID_STRIPE_TREE ROOT_ITEM 0) 
+leaf XXXXXXXXX items X free space XXXXX generation X owner RAID_STRIPE_TREE
+leaf XXXXXXXXX flags 0x1(WRITTEN) backref revision 1
+checksum stored <CHECKSUM>
+checksum calced <CHECKSUM>
+fs uuid <UUID>
+chunk uuid <UUID>
+	item 0 key (XXXXXX RAID_STRIPE 4096) itemoff XXXXX itemsize 40
+			encoding: RAID10
+			stripe 0 devid 1 physical XXXXXXXXX
+			stripe 1 devid 2 physical XXXXXXXXX
+total bytes XXXXXXXX
+bytes used XXXXXX
+uuid <UUID>