2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2016 Oracle, Inc. All Rights Reserved.
7 # Test for races or FS corruption when trying to hit ENOSPC while DIO writing
8 # to a file that's also the source of a reflink operation.
11 _begin_fstest auto clone
13 _register_cleanup "_cleanup" BUS
15 # Override the default cleanup function.
19 rm -rf $tmp.* $finished_file $abort_file
23 # Import common functions.
27 # real QA test starts here
28 _require_scratch_reflink
32 echo "Format and mount"
33 _scratch_mkfs_sized $((400 * 1048576)) > $seqres.full 2>&1
34 _scratch_mount >> $seqres.full 2>&1
36 testdir=$SCRATCH_MNT/test-$seq
37 finished_file=/tmp/finished
44 nr_loops=$((loops - 1))
47 echo "Initialize file"
49 _pwrite_byte 0x61 0 $((loops * blksz)) $testdir/file1 >> $seqres.full
55 while [ ! -e $finished_file ]; do
56 out="$(_cp_reflink $testdir/file1 $testdir/snap_$n 2>&1)"
58 echo $out | grep -q "No space left" && break
59 test -n "$out" && echo $out
60 test $res -ne 0 && break
66 echo "Snapshot a file undergoing directio rewrite"
68 seq 1 1000 | while read j; do
69 seq $nr_loops -1 0 | while read i; do
70 out="$(_pwrite_byte 0x63 $((i * blksz)) $blksz -d $testdir/file1 2>&1)"
71 echo $out >> $seqres.full
72 echo $out | grep -q "No space left" && touch $abort_file
73 echo $out | grep -qi "error" && touch $abort_file
74 test -e $abort_file && break
76 test -e $abort_file && break