From patchwork Tue Dec 5 12:45:10 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Thumshirn X-Patchwork-Id: 13480202 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="JsIy9b+j" Received: from esa2.hgst.iphmx.com (esa2.hgst.iphmx.com [68.232.143.124]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 10CF910F; Tue, 5 Dec 2023 04:45:17 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1701780316; x=1733316316; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=kgKvbSZKh/K3z/aAEwo5FZa/vZnvGjn2gcGXhWOMP9k=; b=JsIy9b+j01iX0giqFX7ZsiqFUA/aWqbHwKifx5KVv6UHj2lEEzIUFxz3 zSNTVU08vmK8k+yRu/kHg1S0iFg966UB2jjLy+XcUU41G/kA6OzdaFZPJ qAC9EkdyDOAvsFPrBnlhHl9MMcddSdMvL89cXfP8PFG4o5kY+FlwY+RiS fk6AslAvI375ofXi5lLjEwBBr89WXY+rXUZQbPrsZptNvu63Pyhg+paeV wKK3HWAx0qphhBzIgWOhCwk5AP6xF7RWkFNLqn6LCeBCmw0jfhLyWuQLb SOvraEkMculY0eYxrfNj1mZKhJ4OUguyujsrbo9Hjg8Lxl85cpsXFjvjZ w==; X-CSE-ConnectionGUID: QIdcn4jkSkWOpGFyD4HA2A== X-CSE-MsgGUID: yM5A6yLhT66w4uIIwEGm2g== X-IronPort-AV: E=Sophos;i="6.04,252,1695657600"; d="scan'208";a="4043918" Received: from h199-255-45-14.hgst.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 05 Dec 2023 20:45:16 +0800 IronPort-SDR: qAZO5J7KHWbmklP17wqudcazG9bJT1QIge49VQaZOfwQ/uNncZ3odJH299Mm3oiOZobdfGJIqZ xRRVyfyT93bQ== Received: from uls-op-cesaip01.wdc.com ([10.248.3.36]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 05 Dec 2023 03:56:18 -0800 IronPort-SDR: lcAkGO+bY8hTFLpmA1jLm4b8JYHepYkEsyHC5kEBeDFYfZC+RlnsDB7zp/U3njeA/Yfauw2aBs jc6Ow/YLDqWQ== WDCIronportException: Internal Received: from unknown (HELO redsun91.ssa.fujisawa.hgst.com) ([10.149.66.6]) by uls-op-cesaip01.wdc.com with ESMTP; 05 Dec 2023 04:45:16 -0800 From: Johannes Thumshirn Date: Tue, 05 Dec 2023 04:45:10 -0800 Subject: [PATCH v2 4/7] btrfs: add fstest for 8k write spanning two stripes on raid-stripe-tree Precedence: bulk X-Mailing-List: fstests@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20231205-btrfs-raid-v2-4-25f80eea345b@wdc.com> References: <20231205-btrfs-raid-v2-0-25f80eea345b@wdc.com> In-Reply-To: <20231205-btrfs-raid-v2-0-25f80eea345b@wdc.com> To: Anand Jain , Zorro Lang Cc: Filipe Manana , fstests@vger.kernel.org, linux-btrfs@vger.kernel.org, Johannes Thumshirn X-Mailer: b4 0.12.3 X-Developer-Signature: v=1; a=ed25519-sha256; t=1701780310; l=5580; i=johannes.thumshirn@wdc.com; s=20230613; h=from:subject:message-id; bh=kgKvbSZKh/K3z/aAEwo5FZa/vZnvGjn2gcGXhWOMP9k=; b=h6XpaY0iVO+Crg44FNOyGzWkTT0BLA7kj8NeGAu1sN4+cV0o+weYwZ0KH/keVHVkDmYfHRY5k 74xD7fJgTRhAuH53hqEnyTOGZrQIMSA64YqmLpTa3P+m7ObwFkRX5ik X-Developer-Key: i=johannes.thumshirn@wdc.com; a=ed25519; pk=TGmHKs78FdPi+QhrViEvjKIGwReUGCfa+3LEnGoR2KM= Add a test-case writing 8k to a raid-stripe-tree formatted filesystem with one stripe pre-filled to 60k so the 8k are split into a 4k write finishing stripe 1 and a 4k write starting the next stripe. Signed-off-by: Johannes Thumshirn --- tests/btrfs/303 | 58 +++++++++++++++++++++++++++++++++++++ tests/btrfs/303.out | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 140 insertions(+) diff --git a/tests/btrfs/303 b/tests/btrfs/303 new file mode 100755 index 000000000000..9f3a5df16423 --- /dev/null +++ b/tests/btrfs/303 @@ -0,0 +1,58 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2023 Western Digital Cooperation. All Rights Reserved. +# +# FS QA Test 303 +# +# Test on-disk layout of RAID Stripe Tree Metadata by writing 8k to a new file +# with a filesystem prepropulated, so that 4k of the write are written to the +# 1st stripe and 4k start a new stripe. +# +. ./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_8k_new_stripe() +{ + local profile=$1 + local ndevs=$2 + + _scratch_dev_pool_get $ndevs + + echo "==== Testing $profile ====" + _scratch_pool_mkfs -d $profile -m $profile + _scratch_mount + + # Fill the first stripe up to 64k - 4k + $XFS_IO_PROG -fc "pwrite 0 60k" -c fsync "$SCRATCH_MNT/bar" | _filter_xfs_io + + # The actual 8k write + $XFS_IO_PROG -fc "pwrite 0 8k" "$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 8k write to a new file so that 4k start a new stripe =" +test_8k_new_stripe raid0 2 +test_8k_new_stripe raid1 2 +test_8k_new_stripe raid10 4 + +# success, all done +status=0 +exit diff --git a/tests/btrfs/303.out b/tests/btrfs/303.out new file mode 100644 index 000000000000..1259d0f4a587 --- /dev/null +++ b/tests/btrfs/303.out @@ -0,0 +1,82 @@ +QA output created by 303 += Test 8k write to a new file so that 4k start a new stripe = +==== Testing raid0 ==== +wrote 61440/61440 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 8192/8192 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +9d3940adb41dd525e008a847e01b15f4 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 calced +fs uuid +chunk uuid + item 0 key (XXXXXX RAID_STRIPE 61440) itemoff XXXXX itemsize 24 + encoding: RAID0 + stripe 0 devid 1 physical XXXXXXXXX + item 1 key (XXXXXX RAID_STRIPE 4096) itemoff XXXXX itemsize 24 + encoding: RAID0 + stripe 0 devid 1 physical XXXXXXXXX + item 2 key (XXXXXX RAID_STRIPE 4096) itemoff XXXXX itemsize 24 + encoding: RAID0 + stripe 0 devid 2 physical XXXXXXXXX +total bytes XXXXXXXX +bytes used XXXXXX +uuid +==== Testing raid1 ==== +wrote 61440/61440 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 8192/8192 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +9d3940adb41dd525e008a847e01b15f4 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 calced +fs uuid +chunk uuid + item 0 key (XXXXXX RAID_STRIPE 61440) itemoff XXXXX itemsize 40 + encoding: RAID1 + stripe 0 devid 1 physical XXXXXXXXX + stripe 1 devid 2 physical XXXXXXXXX + item 1 key (XXXXXX RAID_STRIPE 8192) 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 +==== Testing raid10 ==== +wrote 61440/61440 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +wrote 8192/8192 bytes at offset 0 +XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec) +9d3940adb41dd525e008a847e01b15f4 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 calced +fs uuid +chunk uuid + item 0 key (XXXXXX RAID_STRIPE 61440) itemoff XXXXX itemsize 40 + encoding: RAID10 + stripe 0 devid 1 physical XXXXXXXXX + stripe 1 devid 2 physical XXXXXXXXX + item 1 key (XXXXXX RAID_STRIPE 4096) itemoff XXXXX itemsize 40 + encoding: RAID10 + stripe 0 devid 1 physical XXXXXXXXX + stripe 1 devid 2 physical XXXXXXXXX + item 2 key (XXXXXX RAID_STRIPE 4096) itemoff XXXXX itemsize 40 + encoding: RAID10 + stripe 0 devid 3 physical XXXXXXXXX + stripe 1 devid 4 physical XXXXXXXXX +total bytes XXXXXXXX +bytes used XXXXXX +uuid