mirror of
https://github.com/linux-apfs/apfstests.git
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Zorro Lang
2a7b77abcd
XFS used to retry forever on non-critical errors, and unmount could
hang in such case. Commit e6b3bb78962e ("xfs: add "fail at unmount"
error handling configuration") introduced an error configuration
option in sysfs(fail_at_unmount) and made this behavior
configurable.
Now test this "fail_at_unmount" behavior to make sure XFS doesn't
retry forever on error at unmount time, if configured so. Also
introduced new helpers to require/set/get sysfs attributes.
Signed-off-by: Zorro Lang <zlang@redhat.com>
Reviewed-by: Eryu Guan <eguan@redhat.com>
Signed-off-by: Eryu Guan <eguan@redhat.com>
117 lines
3.5 KiB
Bash
Executable File
117 lines
3.5 KiB
Bash
Executable File
#! /bin/bash
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# FS QA Test 006
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#
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# Test xfs' "fail at unmount" error handling configuration. Stop
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# XFS from retrying to writeback forever at unmount.
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2016 Red Hat, Inc. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#-----------------------------------------------------------------------
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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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here=`pwd`
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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 -f $tmp.*
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_dmerror_cleanup
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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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. ./common/dmerror
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# remove previous $seqres.full before test
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rm -f $seqres.full
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# real QA test starts here
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_supported_fs xfs
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_supported_os Linux
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_require_dm_target error
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_require_scratch
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_require_fs_sysfs error/fail_at_unmount
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_scratch_mkfs > $seqres.full 2>&1
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_dmerror_init
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_dmerror_mount
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# Enable fail_at_unmount, so XFS stops retrying on errors at unmount
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# time. _fail the test if we fail to set it to 1, because the test
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# probably will hang in such case and block subsequent tests.
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_set_fs_sysfs_attr $DMERROR_DEV error/fail_at_unmount 1
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attr=`_get_fs_sysfs_attr $DMERROR_DEV error/fail_at_unmount`
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if [ "$attr" != "1" ]; then
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_fail "Failed to set error/fail_at_unmount: $attr"
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fi
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# Make sure all will be configured to retry forever by default, except
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# for ENODEV, which is an unrecoverable error, so it will be configured
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# to not retry on error by default.
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for e in default EIO ENOSPC; do
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_set_fs_sysfs_attr $DMERROR_DEV \
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error/metadata/${e}/max_retries -1
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echo -n "error/metadata/${e}/max_retries="
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_get_fs_sysfs_attr $DMERROR_DEV error/metadata/${e}/max_retries
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_set_fs_sysfs_attr $DMERROR_DEV \
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error/metadata/${e}/retry_timeout_seconds 0
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echo -n "error/metadata/${e}/retry_timeout_seconds="
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_get_fs_sysfs_attr $DMERROR_DEV \
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error/metadata/${e}/retry_timeout_seconds
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done
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# start a metadata-intensive workload, but no data allocation operation.
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# Because uncompleted new space allocation I/Os may cause XFS to shutdown
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# after loading error table.
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$FSSTRESS_PROG -z -n 5000 -p 10 \
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-f creat=10 \
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-f resvsp=1 \
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-f truncate=1 \
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-f punch=1 \
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-f chown=5 \
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-f mkdir=5 \
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-f rmdir=1 \
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-f mknod=1 \
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-f unlink=1 \
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-f symlink=1 \
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-f rename=1 \
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-d $SCRATCH_MNT/fsstress >> $seqres.full 2>&1
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# Loading error table without "--nolockfs" option. Because "--nolockfs"
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# won't freeze fs, then some running I/Os may cause XFS to shutdown
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# prematurely. That's not what we want to test.
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_dmerror_load_error_table lockfs
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_dmerror_unmount
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# Mount again to replay log after loading working table, so we have a
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# consistent XFS after test.
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_dmerror_load_working_table
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_dmerror_mount
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_dmerror_unmount
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# success, all done
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status=0
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exit
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