mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Dave Chinner
1ff4192932
Fully scripted conversion, see script in initial SPDX license commit message. Signed-off-by: Dave Chinner <dchinner@redhat.com>
114 lines
3.7 KiB
Bash
Executable File
114 lines
3.7 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2016 SUSE Linux Products GmbH. All Rights Reserved.
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#
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# FS QA Test No. btrfs/128
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#
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# Test that, under a particular scenario, an incremental send operation does
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# not leak memory (which used to emit a warning in dmesg/syslog).
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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/a
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mkdir $SCRATCH_MNT/tmp
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mkdir $SCRATCH_MNT/del
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mv $SCRATCH_MNT/tmp $SCRATCH_MNT/del
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mkdir $SCRATCH_MNT/a/c
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mkdir $SCRATCH_MNT/del/x
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mkdir $SCRATCH_MNT/del/y
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# Filesystem looks like:
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#
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# . (ino 256)
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# |--- a/ (ino 257)
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# | |--- c/ (ino 260)
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# |
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# |--- del/ (ino 259)
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# |--- tmp/ (ino 258)
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# |--- x/ (ino 261)
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# |--- y/ (ino 262)
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#
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_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap1
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# It used to be that when attempting to issue an rmdir operation for inode 259,
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# the kernel allocated an orphan_dir_info structure so that later after doing
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# the delayed rename operation for inode 258 (which happened once inode 260 was
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# renamed) it would check if it could finally issue a rmdir instruction for
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# inode 259. If it couldn't, it would not release the previously allocated
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# orphan_dir_info structure immediately. Instead it would only release it once
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# it finished the send stream and it would emit a warning in dmesg/syslog.
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#
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mv $SCRATCH_MNT/a/c $SCRATCH_MNT
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mv $SCRATCH_MNT/del/x $SCRATCH_MNT/a
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mv $SCRATCH_MNT/del/y $SCRATCH_MNT/a
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mv $SCRATCH_MNT/del/tmp $SCRATCH_MNT/c
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rmdir $SCRATCH_MNT/del
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# Filesystem now looks like:
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#
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# . (ino 256)
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# |--- a/ (ino 257)
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# | |--- x/ (ino 261)
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# | |--- y/ (ino 262)
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# |
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# |--- c/ (ino 260)
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# |--- tmp/ (ino 258)
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#
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_run_btrfs_util_prog subvolume snapshot -r $SCRATCH_MNT $SCRATCH_MNT/mysnap2
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run_check $FSSUM_PROG -A -f -w $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
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run_check $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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_run_btrfs_util_prog send -f $send_files_dir/1.snap $SCRATCH_MNT/mysnap1
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_run_btrfs_util_prog send -p $SCRATCH_MNT/mysnap1 -f $send_files_dir/2.snap \
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$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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_run_btrfs_util_prog receive -f $send_files_dir/1.snap $SCRATCH_MNT
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run_check $FSSUM_PROG -r $send_files_dir/1.fssum $SCRATCH_MNT/mysnap1
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_run_btrfs_util_prog receive -f $send_files_dir/2.snap $SCRATCH_MNT
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run_check $FSSUM_PROG -r $send_files_dir/2.fssum $SCRATCH_MNT/mysnap2
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echo "Silence is golden"
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status=0
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exit
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