From patchwork Wed Dec 6 10:56:17 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Johannes Thumshirn X-Patchwork-Id: 13481508 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=wdc.com header.i=@wdc.com header.b="N7yp8jH3" Received: from esa3.hgst.iphmx.com (esa3.hgst.iphmx.com [216.71.153.141]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A73D71A5; Wed, 6 Dec 2023 02:56:25 -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=1701860185; x=1733396185; h=from:date:subject:mime-version:content-transfer-encoding: message-id:references:in-reply-to:to:cc; bh=qOpZ6evbWma+7A5uCwQYALxvEPrBOPgb6Lh8f8i6neI=; b=N7yp8jH3I+6YzUnFNfayKbANEm2IjS+6Ugq9ILfSqy1fPDp71aMtSF37 ABklAKf2yqstG/bxqYS4wohdAxbTOwgWssHKUHYU5byfKT/U1qSStoso/ O2/OFzz5jstQoOAkLXc6QJ0As0EOZF4GFEvlGixM+X58Ee4uZJsHDqvZp E/+amCjcWJbfwG/NKg8kRjVAh9XKJLCVU2gkBZ+A++Xouy7LW0CpwBCci SNpDHu+c/QsMfxgOaI73q/oxRMfgiFbTMNqOwbDNwM9KZ9sMCME2sTviH d2UcTnb+cfg9ceVIGFklMTT2c3bppteUYkB/vXSLRbMNZ1RR6iZe/8Rwy Q==; X-CSE-ConnectionGUID: hk9w5WV7Ra+728Wyk99uHQ== X-CSE-MsgGUID: 2V185PA2SUm1GJ+m3mBUfQ== X-IronPort-AV: E=Sophos;i="6.04,255,1695657600"; d="scan'208";a="4119715" 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; 06 Dec 2023 18:56:25 +0800 IronPort-SDR: 9re4+0vqwZnNd610wECFrVhvYj8f+vRwMlI5ORhjRZdbTBVI9MddM+tKqVyG/JzKmT/jSrLDc7 XhLu/fETavYw== Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES128-GCM-SHA256; 06 Dec 2023 02:07:26 -0800 IronPort-SDR: mgoUqqRicdAwXyEkQiJEfeo1GSc9HhtgE422hga9WTzORab+SCn3KJzRvcItM7WQZbu90ZEBjc moYkwELhGgIQ== WDCIronportException: Internal Received: from unknown (HELO redsun91.ssa.fujisawa.hgst.com) ([10.149.66.6]) by uls-op-cesaip02.wdc.com with ESMTP; 06 Dec 2023 02:56:24 -0800 From: Johannes Thumshirn Date: Wed, 06 Dec 2023 02:56:17 -0800 Subject: [PATCH v4 5/8] btrfs: add fstest for 8k write spanning two stripes on raid-stripe-tree Precedence: bulk X-Mailing-List: linux-btrfs@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Message-Id: <20231206-btrfs-raid-v4-5-578284dd3a70@wdc.com> References: <20231206-btrfs-raid-v4-0-578284dd3a70@wdc.com> In-Reply-To: <20231206-btrfs-raid-v4-0-578284dd3a70@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=1701860179; l=5677; i=johannes.thumshirn@wdc.com; s=20230613; h=from:subject:message-id; bh=qOpZ6evbWma+7A5uCwQYALxvEPrBOPgb6Lh8f8i6neI=; b=UADLXJKawC7IdQyjspHlXOnxjgf6HVBkavTII0Ku5maYzzlSyKuT37EnEYU1UQU2WyfT9xKC/ okKWx7acoeMCzRlD6u9ZqpVre0uh0fBsP3roOoSwf6MLM/L0MmMMQrD 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/305 | 60 +++++++++++++++++++++++++++++++++++++++ tests/btrfs/305.out | 82 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 142 insertions(+) diff --git a/tests/btrfs/305 b/tests/btrfs/305 new file mode 100755 index 000000000000..1b2f84884f55 --- /dev/null +++ b/tests/btrfs/305 @@ -0,0 +1,60 @@ +#! /bin/bash +# SPDX-License-Identifier: GPL-2.0 +# Copyright (c) 2023 Western Digital Cooperation. All Rights Reserved. +# +# FS QA Test 305 +# +# 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" +_require_btrfs_fs_feature "free_space_tree" +_require_btrfs_no_compress + +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 -O raid-stripe-tree + _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/305.out b/tests/btrfs/305.out new file mode 100644 index 000000000000..7460501ef40b --- /dev/null +++ b/tests/btrfs/305.out @@ -0,0 +1,82 @@ +QA output created by 305 += 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