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Darrick J. Wong
872ccc54ca
Use the error injection mechanism to test log recovery of deferred work. Signed-off-by: Darrick J. Wong <darrick.wong@oracle.com> Reviewed-by: Eryu Guan <eguan@redhat.com> Signed-off-by: Eryu Guan <eguan@redhat.com>
94 lines
2.5 KiB
Plaintext
94 lines
2.5 KiB
Plaintext
##/bin/bash
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# Routines for injecting errors into filesystems
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#-----------------------------------------------------------------------
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# Copyright (c) 2016 Oracle. All Rights Reserved.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will 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 to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
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# USA
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#
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# Contact information: Oracle Corporation, 500 Oracle Parkway,
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# Redwood Shores, CA 94065, USA, or: http://www.oracle.com/
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#-----------------------------------------------------------------------
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. ./common/log
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# Tests whether $FSTYP is one of the filesystems that supports error injection
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_require_error_injection()
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{
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case "$FSTYP" in
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"xfs")
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grep -q 'debug 1' /proc/fs/xfs/stat || \
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_notrun "XFS error injection requires CONFIG_XFS_DEBUG"
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;;
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*)
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_notrun "Error injection not supported on filesystem type: $FSTYP"
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esac
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}
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# Requires that xfs_io inject command knows about this error type
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_require_xfs_io_error_injection()
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{
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type="$1"
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_require_error_injection
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# NOTE: We can't actually test error injection here because xfs
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# hasn't always range checked the argument to xfs_errortag_add.
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# We also don't want to trip an error before we're ready to deal
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# with it.
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$XFS_IO_PROG -x -c 'inject' $TEST_DIR | grep -q "$type" || \
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_notrun "XFS error injection $type unknown."
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}
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# Inject an error into the test fs
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_test_inject_error()
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{
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type="$1"
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$XFS_IO_PROG -x -c "inject $type" $TEST_DIR
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}
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# Inject an error into the scratch fs
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_scratch_inject_error()
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{
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type="$1"
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$XFS_IO_PROG -x -c "inject $type" $SCRATCH_MNT
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}
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# Unmount and remount the scratch device, dumping the log
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_scratch_inject_logprint()
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{
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local opts="$1"
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if test -n "$opts"; then
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opts="-o $opts"
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fi
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_scratch_unmount
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_scratch_dump_log
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_scratch_mount "$opts"
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}
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# Unmount and remount the test device, dumping the log
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_test_inject_logprint()
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{
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local opts="$1"
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if test -n "$opts"; then
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opts="-o $opts"
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fi
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_test_unmount
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_test_dump_log
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_test_mount "$opts"
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}
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