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btrfs: test send issue with non-aligned clone operations
Test for an issue in btrfs send where it sent clone operations to user space with a range (offset + length) that was not aligned with the block size. This caused the btrfs receive command to send such clone operations to the ioctl clone API, which would return -EINVAL errors to btrfs receive, causing the receive command to abort immediately. This corresponding btrfs linux kernel patch that fixes this issue is at: https://patchwork.kernel.org/patch/3470401/ Signed-off-by: Filipe David Borba Manana <fdmanana@gmail.com> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
This commit is contained in:
Filipe David Borba Manana
committed by
Dave Chinner
Dave Chinner
parent
99b3a9ab2a
commit
74643fc9ac
Executable
+98
@@ -0,0 +1,98 @@
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#! /bin/bash
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# FS QA Test No. btrfs/025
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#
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# Test for an issue in btrfs send where it sent clone operations to user
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# space with a range (offset + length) that was not aligned with the block
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# size. This caused the btrfs receive command to send such clone operations
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# to the ioctl clone API, which would return -EINVAL errors to btrfs receive,
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# causing the receive command to abort immediately.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2014 Filipe Manana. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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tmp=`mktemp -d`
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status=1 # failure is the default!
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trap "_cleanup; exit \$status" 0 1 2 3 15
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_cleanup()
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{
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rm -fr $tmp
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch
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_need_to_be_root
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rm -f $seqres.full
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_scratch_mkfs >/dev/null 2>&1
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_scratch_mount
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$XFS_IO_PROG -f -c "truncate 819200" $SCRATCH_MNT/foo | _filter_xfs_io
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$BTRFS_UTIL_PROG filesystem sync $SCRATCH_MNT | _filter_scratch
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$XFS_IO_PROG -c "falloc -k 819200 667648" $SCRATCH_MNT/foo | _filter_xfs_io
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$BTRFS_UTIL_PROG filesystem sync $SCRATCH_MNT | _filter_scratch
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$XFS_IO_PROG -f -c "pwrite 1482752 2978" $SCRATCH_MNT/foo | _filter_xfs_io
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$BTRFS_UTIL_PROG filesystem sync $SCRATCH_MNT | _filter_scratch
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$BTRFS_UTIL_PROG subvol snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1 | \
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_filter_scratch
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$XFS_IO_PROG -f -c "truncate 883305" $SCRATCH_MNT/foo | _filter_xfs_io
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$BTRFS_UTIL_PROG filesystem sync $SCRATCH_MNT | _filter_scratch
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$BTRFS_UTIL_PROG subvol snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2 | \
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_filter_scratch
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$BTRFS_UTIL_PROG send $SCRATCH_MNT/mysnap1 -f $tmp/1.snap 2>&1 | _filter_scratch
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$BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 $SCRATCH_MNT/mysnap2 \
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-f $tmp/2.snap 2>&1 | _filter_scratch
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md5sum $SCRATCH_MNT/foo | _filter_scratch
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md5sum $SCRATCH_MNT/mysnap1/foo | _filter_scratch
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md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch
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_scratch_unmount
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_check_btrfs_filesystem $SCRATCH_DEV
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_scratch_mkfs >/dev/null 2>&1
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_scratch_mount
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$BTRFS_UTIL_PROG receive $SCRATCH_MNT -f $tmp/1.snap
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md5sum $SCRATCH_MNT/mysnap1/foo | _filter_scratch
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$BTRFS_UTIL_PROG receive $SCRATCH_MNT -f $tmp/2.snap
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md5sum $SCRATCH_MNT/mysnap2/foo | _filter_scratch
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_scratch_unmount
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_check_btrfs_filesystem $SCRATCH_DEV
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status=0
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exit
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@@ -0,0 +1,18 @@
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QA output created by 025
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FSSync 'SCRATCH_MNT'
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FSSync 'SCRATCH_MNT'
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wrote 2978/2978 bytes at offset 1482752
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XXX Bytes, X ops; XX:XX:XX.X (XXX YYY/sec and XXX ops/sec)
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FSSync 'SCRATCH_MNT'
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Create a readonly snapshot of 'SCRATCH_MNT' in 'SCRATCH_MNT/mysnap1'
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FSSync 'SCRATCH_MNT'
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Create a readonly snapshot of 'SCRATCH_MNT' in 'SCRATCH_MNT/mysnap2'
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At subvol SCRATCH_MNT/mysnap1
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At subvol SCRATCH_MNT/mysnap2
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129b8eaee8d3c2bcad49bec596591cb3 SCRATCH_MNT/foo
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42b6369eae2a8725c1aacc0440e597aa SCRATCH_MNT/mysnap1/foo
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129b8eaee8d3c2bcad49bec596591cb3 SCRATCH_MNT/mysnap2/foo
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At subvol mysnap1
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42b6369eae2a8725c1aacc0440e597aa SCRATCH_MNT/mysnap1/foo
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At snapshot mysnap2
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129b8eaee8d3c2bcad49bec596591cb3 SCRATCH_MNT/mysnap2/foo
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@@ -27,3 +27,4 @@
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022 auto
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023 auto
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024 auto quick
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025 auto quick
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