Test that repair handles the case where it needs to read from more than
a single mirror on the raid1c3 profile and needs to take turns over the
mirrors to recover data for the whole read.
Signed-off-by: Christoph Hellwig <hch@xxxxxx>
---
tests/btrfs/267 | 93 +++++++++++++++++++++++++++++++++++++
tests/btrfs/267.out | 109 ++++++++++++++++++++++++++++++++++++++++++++
2 files changed, 202 insertions(+)
create mode 100755 tests/btrfs/267
create mode 100644 tests/btrfs/267.out
diff --git a/tests/btrfs/267 b/tests/btrfs/267
new file mode 100755
index 00000000..cf19fdc8
--- /dev/null
+++ b/tests/btrfs/267
@@ -0,0 +1,93 @@
+#! /bin/bash
+# SPDX-License-Identifier: GPL-2.0
+# Copyright (c) 2017 Liu Bo. All Rights Reserved.
+# Copyright (c) 2022 Christoph Hellwig.
+#
+# FS QA Test 267
+#
+# Test that btrfs buffered read repair on a raid1c3 profile can repair
+# interleaving errors on all mirrors.
+#
+
+. ./common/preamble
+_begin_fstest auto quick read_repair
+
+# Import common functions.
+. ./common/filter
+
+# real QA test starts here
+
+_supported_fs btrfs
+_require_scratch_dev_pool 3
+
+_require_odirect
+# Overwriting data is forbidden on a zoned block device
+_require_non_zoned_device "${SCRATCH_DEV}"
+
+_scratch_dev_pool_get 3
+# step 1, create a raid1 btrfs which contains one 128k file.
+echo "step 1......mkfs.btrfs"
+
+mkfs_opts="-d raid1c3 -b 1G"
+_scratch_pool_mkfs $mkfs_opts >>$seqres.full 2>&1
+
+_scratch_mount
+
+$XFS_IO_PROG -f -d -c "pwrite -S 0xaa -b 256K 0 256K" \
+ "$SCRATCH_MNT/foobar" | \
+ _filter_xfs_io_offset
+
+# step 2, corrupt 4k in each copy
+echo "step 2......corrupt file extent"
+
+# ensure btrfs-map-logical sees the tree updates
+sync
+
+logical=$(_btrfs_get_first_logical $SCRATCH_MNT/foobar)
+
+physical1=$(_btrfs_get_physical ${logical} 1)
+devpath1=$(_btrfs_get_device_path ${logical} 1)
+
+physical2=$(_btrfs_get_physical ${logical} 2)
+devpath2=$(_btrfs_get_device_path ${logical} 2)
+
+physical3=$(_btrfs_get_physical ${logical} 3)
+devpath3=$(_btrfs_get_device_path ${logical} 3)
+
+_scratch_unmount
+
+$XFS_IO_PROG -d -c "pwrite -S 0xbd -b 64K $physical3 64K" \
+ $devpath3 > /dev/null
+
+$XFS_IO_PROG -d -c "pwrite -S 0xba -b 64K $physical1 128K" \
+ $devpath1 > /dev/null
+
+$XFS_IO_PROG -d -c "pwrite -S 0xbb -b 64K $((physical2 + 65536)) 128K" \
+ $devpath2 > /dev/null
+
+$XFS_IO_PROG -d -c "pwrite -S 0xbc -b 64K $((physical3 + (2 * 65536))) 128K" \
+ $devpath3 > /dev/null
+
+_scratch_mount
+
+# step 3, 128k dio read (this read can repair bad copy)
+echo "step 3......repair the bad copy"
+
+_btrfs_direct_read_on_mirror 0 3 "$SCRATCH_MNT/foobar" 0 256K
+_btrfs_direct_read_on_mirror 1 3 "$SCRATCH_MNT/foobar" 0 256K
+_btrfs_direct_read_on_mirror 2 3 "$SCRATCH_MNT/foobar" 0 256K
+
+_scratch_unmount
+
+echo "step 4......check if the repair worked"
+$XFS_IO_PROG -d -c "pread -v -b 512 $physical1 512" $devpath1 |\
+ _filter_xfs_io_offset
+$XFS_IO_PROG -d -c "pread -v -b 512 $physical2 512" $devpath2 |\
+ _filter_xfs_io_offset
+$XFS_IO_PROG -d -c "pread -v -b 512 $physical3 512" $devpath3 |\
+ _filter_xfs_io_offset
+
+_scratch_dev_pool_put
+# success, all done
+status=0
+exit
diff --git a/tests/btrfs/267.out b/tests/btrfs/267.out
new file mode 100644
index 00000000..2bdd32ea
--- /dev/null
+++ b/tests/btrfs/267.out
@@ -0,0 +1,109 @@
+QA output created by 267
+step 1......mkfs.btrfs
+wrote 262144/262144 bytes
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+step 2......corrupt file extent
+step 3......repair the bad copy
+step 4......check if the repair worked
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
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+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
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+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
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+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
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+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
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+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
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+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
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+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+read 512/512 bytes
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
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+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
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+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
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+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
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+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+read 512/512 bytes
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
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+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+XXXXXXXX: aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa aa ................
+read 512/512 bytes
+XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
--
2.30.2
