| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (C) 2020 SUSE Linux Products GmbH. All Rights Reserved. |
| # |
| # FS QA Test 217 |
| # |
| # Test if the following workload would cause problem: |
| # - fstrim |
| # - shrink device |
| # - fstrim |
| # |
| . ./common/preamble |
| _begin_fstest auto quick trim dangerous |
| |
| . ./common/filter |
| |
| _require_scratch_size $((5 * 1024 * 1024)) #kB |
| _require_fstrim |
| |
| # Create a 5G fs |
| _scratch_mkfs_sized $((5 * 1024 * 1024 * 1024)) >> $seqres.full |
| _scratch_mount |
| |
| # Fstrim to populate the device->alloc_status CHUNK_TRIMMED bits |
| $FSTRIM_PROG -v $SCRATCH_MNT >> $seqres.full 2>&1 || \ |
| _notrun "FSTRIM not supported" |
| |
| # Shrink the fs to 4G, so the existing CHUNK_TRIMMED bits are beyond |
| # device boundary |
| $BTRFS_UTIL_PROG filesystem resize 1:-1G "$SCRATCH_MNT" >> $seqres.full |
| |
| # Do fstrim again to trigger the bug |
| $FSTRIM_PROG -v $SCRATCH_MNT >> $seqres.full |
| |
| echo "Silence is golden" |
| |
| # success, all done |
| status=0 |
| exit |
