| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2016 Fujitsu. All Rights Reserved. |
| # |
| # FS QA Test 371 |
| # |
| # Run write(2) and fallocate(2) in parallel and the total needed data space |
| # for these operations don't exceed whole fs free data space, to see whether |
| # we will get any unexpected ENOSPC error. |
| # |
| . ./common/preamble |
| _begin_fstest auto quick enospc prealloc |
| |
| # Import common functions. |
| . ./common/filter |
| |
| # Modify as appropriate. |
| _supported_fs generic |
| _require_scratch |
| _require_xfs_io_command "falloc" |
| test "$FSTYP" = "xfs" && _require_xfs_io_command "extsize" |
| |
| _scratch_mkfs_sized $((256 * 1024 * 1024)) >> $seqres.full 2>&1 |
| _scratch_mount |
| |
| # Disable speculative post-EOF preallocation on XFS, which can grow fast enough |
| # that a racing fallocate then fails. |
| if [ "$FSTYP" = "xfs" ]; then |
| alloc_sz="$(_get_file_block_size $SCRATCH_MNT)" |
| $XFS_IO_PROG -c "extsize $alloc_sz" $SCRATCH_MNT >> $seqres.full |
| fi |
| |
| testfile1=$SCRATCH_MNT/testfile1 |
| testfile2=$SCRATCH_MNT/testfile2 |
| |
| echo "Silence is golden" |
| for ((i=0; i<100; i++)); do |
| $XFS_IO_PROG -fc "pwrite 0 80M" $testfile1 >/dev/null |
| rm -f $testfile1 |
| done & |
| pids=$! |
| |
| for ((i=0; i<100; i++)); do |
| $XFS_IO_PROG -fc "falloc 0 80M" $testfile2 >/dev/null |
| rm -f $testfile2 |
| done & |
| pids="$pids $!" |
| |
| wait $pids |
| status=0 |
| exit |