| #! /bin/bash |
| # SPDX-License-Identifier: GPL-2.0 |
| # Copyright (c) 2018 Liu Bo, Alibaba. All Rights Reserved. |
| # |
| # FS QA Test 034 |
| # |
| # Regression test for a ENOSPC warning when both quota and |
| # "-o dioread_nolock,nodelalloc" is used. |
| # |
| # The bug was fixed by commit |
| # "ext4: make sure enough credits are reserved for dioread_nolock writes" |
| # |
| seq=`basename $0` |
| seqres=$RESULT_DIR/$seq |
| echo "QA output created by $seq" |
| |
| here=`pwd` |
| tmp=/tmp/$$ |
| status=1 # failure is the default! |
| trap "_cleanup; exit \$status" 0 1 2 3 15 |
| |
| _cleanup() |
| { |
| cd / |
| rm -f $tmp.* |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/quota |
| |
| # remove previous $seqres.full before test |
| rm -f $seqres.full |
| |
| # real QA test starts here |
| |
| # Modify as appropriate. |
| _supported_fs ext4 |
| _require_scratch |
| _require_quota |
| _require_nobody |
| _require_xfs_io_command "falloc" |
| _require_xfs_io_command "fiemap" |
| _require_xfs_io_command "syncfs" |
| |
| echo "Format and mount" |
| _scratch_mkfs "-O quota" > $seqres.full 2>&1 |
| _scratch_mount "-o dioread_nolock,nodelalloc" > $seqres.full 2>&1 |
| |
| echo "Create the original file" |
| touch $SCRATCH_MNT/foobar >> $seqres.full |
| chown nobody $SCRATCH_MNT/foobar >> $seqres.full |
| |
| echo "Set hard quota" |
| setquota -u nobody 0 10M 0 0 $SCRATCH_MNT |
| _report_quota_blocks $SCRATCH_MNT >> $seqres.full |
| |
| echo "Create 2 level extent tree (btree) for foobar with a unwritten extent" |
| $XFS_IO_PROG -f -c "pwrite 0 4k" -c "falloc 4k 4k" -c "pwrite 8k 4k" \ |
| -c "pwrite 20k 4k" -c "pwrite 28k 4k" -c "pwrite 36k 4k" \ |
| -c "fsync" $SCRATCH_MNT/foobar >> $seqres.full |
| |
| $XFS_IO_PROG -c "fiemap -v" $SCRATCH_MNT/foobar >> $seqres.full |
| |
| echo "Convert unwritten extent to written and collapse extent tree to inode" |
| $XFS_IO_PROG -c "pwrite 4k 4k" $SCRATCH_MNT/foobar >> $seqres.full |
| |
| echo "Create a new file and do fsync to force a jbd2 commit" |
| $XFS_IO_PROG -f -c "pwrite 0 4k" -c "fsync" $SCRATCH_MNT/dummy >> $seqres.full |
| |
| # Use 'syncfs' instead of 'sync' here as 'sync' could have dirtied quota files |
| # ahead of writeback and could not reproduce the bug. |
| echo "sync $SCRATCH_MNT to writeback" | _filter_scratch |
| $XFS_IO_PROG -c "syncfs" $SCRATCH_MNT >> $seqres.full |
| |
| # success, all done |
| status=0 |
| exit |