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btrfs: test incremental send after replacing directory with a file
Test that an incremental send/receive operation works correctly after moving some directory inode A, renaming a regular file inode B into the old name of inode A and finally creating a new hard link for inode B at directory inode A. This issue is fixed by the following patch for the linux kernel: "Btrfs: incremental send, fix invalid path for link commands" Signed-off-by: Filipe Manana <fdmanana@suse.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
This commit is contained in:
Filipe Manana
Eryu Guan
Executable
+130
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#! /bin/bash
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# FS QA Test No. btrfs/147
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#
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# Test that an incremental send/receive operation works correctly after moving
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# some directory inode A, renaming a regular file inode B into the old name of
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# inode A and finally creating a new hard link for inode B at directory inode A.
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#
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#-----------------------------------------------------------------------
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#
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# Copyright (C) 2017 SUSE Linux Products GmbH. All Rights Reserved.
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# Author: Filipe Manana <fdmanana@suse.com>
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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=/tmp/$$
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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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cd /
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rm -fr $send_files_dir
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rm -f $tmp.*
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}
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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# real QA test starts here
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_supported_fs btrfs
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_supported_os Linux
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_require_test
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_require_scratch
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_require_fssum
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send_files_dir=$TEST_DIR/btrfs-test-$seq
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rm -f $seqres.full
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rm -fr $send_files_dir
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mkdir $send_files_dir
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount
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mkdir $SCRATCH_MNT/dir1
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mkdir $SCRATCH_MNT/dir1/dir2
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mkdir $SCRATCH_MNT/dir1/dir2/dir3
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mkdir $SCRATCH_MNT/dir5
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touch $SCRATCH_MNT/dir1/dir2/dir3/file1
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mkdir $SCRATCH_MNT/dir1/dir2/dir3/dir4
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# Filesystem looks like:
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#
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# . (ino 256)
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# |
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# |--- dir1/ (ino 257)
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# | |--- dir2/ (ino 258)
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# | |--- dir3/ (ino 259)
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# | |--- file1 (ino 261)
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# | |--- dir4/ (ino 262)
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# |
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# |--- dir5/ (ino 260)
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#
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$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
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$SCRATCH_MNT/mysnap1 > /dev/null
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$BTRFS_UTIL_PROG send -f $send_files_dir/1.snap \
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$SCRATCH_MNT/mysnap1 2>&1 1>/dev/null | _filter_scratch
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mkdir $SCRATCH_MNT/dir1/dir6
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mv $SCRATCH_MNT/dir5 $SCRATCH_MNT/dir1/dir2/dir3/dir4/dir55
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ln $SCRATCH_MNT/dir1/dir2/dir3/file1 $SCRATCH_MNT/dir1/dir2/dir3/dir4/file11
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mv $SCRATCH_MNT/dir1/dir2/dir3/dir4 $SCRATCH_MNT/dir1/dir6/dir44
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mv $SCRATCH_MNT/dir1/dir2/dir3/file1 $SCRATCH_MNT/dir1/dir2/dir3/dir4
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# Filesystem now looks like:
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#
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# . (ino 256)
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# |
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# |--- dir1/ (ino 257)
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# |--- dir2/ (ino 258)
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# | |--- dir3/ (ino 259)
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# | |--- dir4 (ino 261)
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# |
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# |--- dir6/ (ino 263)
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# |--- dir44/ (ino 262)
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# |--- file11 (ino 261)
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# |--- dir55/ (ino 260)
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#
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$BTRFS_UTIL_PROG subvolume snapshot -r $SCRATCH_MNT \
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$SCRATCH_MNT/mysnap2 > /dev/null
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$BTRFS_UTIL_PROG send -p $SCRATCH_MNT/mysnap1 -f $send_files_dir/2.snap \
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$SCRATCH_MNT/mysnap2 2>&1 1>/dev/null | _filter_scratch
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$FSSUM_PROG -A -f -w $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
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$FSSUM_PROG -A -f -w $send_files_dir/2.fssum \
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-x $SCRATCH_MNT/mysnap2/mysnap1 $SCRATCH_MNT/mysnap2
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# Now recreate the filesystem by receiving both send streams and verify we get
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# the same content that the original filesystem had.
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_scratch_unmount
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_scratch_mkfs >>$seqres.full 2>&1
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_scratch_mount
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$BTRFS_UTIL_PROG receive -f $send_files_dir/1.snap $SCRATCH_MNT > /dev/null
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$BTRFS_UTIL_PROG receive -f $send_files_dir/2.snap $SCRATCH_MNT > /dev/null
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$FSSUM_PROG -r $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
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$FSSUM_PROG -r $send_files_dir/2.fssum $SCRATCH_MNT/mysnap2
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status=0
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exit
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@@ -0,0 +1,6 @@
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QA output created by 147
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At subvol SCRATCH_MNT/mysnap1
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At subvol SCRATCH_MNT/mysnap2
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At subvol mysnap1
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OK
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OK
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@@ -149,3 +149,4 @@
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144 auto quick send
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145 auto quick send
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146 auto quick
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147 auto quick send
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