| #! /bin/bash |
| # FS QA Test 264 |
| # |
| # Test XFS EIO error handling configuration. Stop XFS from retrying |
| # to writeback forever when hit EIO. |
| # |
| #----------------------------------------------------------------------- |
| # Copyright (c) 2016 Red Hat, Inc. All Rights Reserved. |
| # |
| # This program is free software; you can redistribute it and/or |
| # modify it under the terms of the GNU General Public License as |
| # published by the Free Software Foundation. |
| # |
| # This program is distributed in the hope that it would be useful, |
| # but WITHOUT ANY WARRANTY; without even the implied warranty of |
| # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| # GNU General Public License for more details. |
| # |
| # You should have received a copy of the GNU General Public License |
| # along with this program; if not, write the Free Software Foundation, |
| # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA |
| #----------------------------------------------------------------------- |
| # |
| |
| 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.* |
| _dmerror_cleanup |
| } |
| |
| # get standard environment, filters and checks |
| . ./common/rc |
| . ./common/filter |
| . ./common/dmerror |
| |
| # remove previous $seqres.full before test |
| rm -f $seqres.full |
| |
| # real QA test starts here |
| _supported_fs xfs |
| _supported_os Linux |
| _require_scratch |
| _require_dm_target error |
| _require_fs_sysfs error/fail_at_unmount |
| _require_fs_sysfs error/metadata/EIO/max_retries |
| _require_fs_sysfs error/metadata/EIO/retry_timeout_seconds |
| |
| _scratch_mkfs >> $seqres.full 2>&1 |
| _dmerror_init |
| |
| do_test() |
| { |
| local attr="$1" |
| local num=0 |
| |
| _dmerror_mount |
| _reset_xfs_sysfs_error_handling $DMERROR_DEV |
| # Disable fail_at_unmount before test EIO error handling |
| _set_fs_sysfs_attr $DMERROR_DEV error/fail_at_unmount 0 |
| echo -n "error/fail_at_unmount=" |
| _get_fs_sysfs_attr $DMERROR_DEV error/fail_at_unmount |
| |
| _set_fs_sysfs_attr $DMERROR_DEV $attr 1 |
| num=`_get_fs_sysfs_attr $DMERROR_DEV $attr` |
| echo "$attr=$num" |
| # _fail the test if we fail to set $attr to 1, because the test |
| # probably will hang in such case and block subsequent tests. |
| if [ "$num" != "1" ]; then |
| _fail "Failed to set $attr: 1" |
| fi |
| |
| # start a metadata-intensive workload, but no data allocation operation. |
| # Because uncompleted new space allocation I/Os may cause XFS to shutdown |
| # after loading error table. |
| $FSSTRESS_PROG -z -n 5000 -p 10 \ |
| -f creat=10 \ |
| -f resvsp=1 \ |
| -f truncate=1 \ |
| -f punch=1 \ |
| -f chown=5 \ |
| -f mkdir=5 \ |
| -f rmdir=1 \ |
| -f mknod=1 \ |
| -f unlink=1 \ |
| -f symlink=1 \ |
| -f rename=1 \ |
| -d $SCRATCH_MNT/fsstress >> $seqres.full 2>&1 |
| |
| # Loading error table without "--nolockfs" option. Because "--nolockfs" |
| # won't freeze fs, then some running I/Os may cause XFS to shutdown |
| # prematurely. That's not what we want to test. |
| _dmerror_load_error_table lockfs |
| _dmerror_unmount |
| |
| # Mount again to replay log after loading working table, so we have a |
| # consistent XFS after test. |
| _dmerror_load_working_table |
| _dmerror_mount |
| _dmerror_unmount |
| } |
| |
| #### Test EIO/max_retries #### |
| # Set EIO/max_retries a limited number(>-1), then even if fail_at_unmount=0, |
| # the test won't hang. |
| echo "=== Test EIO/max_retries ===" |
| do_test error/metadata/EIO/max_retries |
| |
| #### Test EIO/retry_timeout_seconds #### |
| # Set EIO/retry_timeout_seconds to a limited number(>0), then even if |
| # fail_at_unmount=0, the test won't hang. |
| echo "=== Test EIO/retry_timeout_seconds ===" |
| do_test error/metadata/EIO/retry_timeout_seconds |
| |
| # success, all done |
| status=0 |
| exit |