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#! /bin/bash
# SPDX-License-Identifier: GPL-2.0
# Copyright (c) 2018, Jeff Layton <jlayton@redhat.com>
#
# FS QA Test No. 487
#
# Open a file several times, write to it, fsync on all fds and make sure that
# they all return 0. Change the device to start throwing errors. Write again
# on all fds and fsync on all fds. Ensure that we get errors on all of them.
# Then fsync on all one last time and verify that all return 0.
#
. ./common/preamble
_begin_fstest auto quick eio
# Override the default cleanup function.
_cleanup()
{
cd /
rm -f $tmp.*
_dmerror_cleanup
}
# Import common functions.
. ./common/filter
. ./common/dmerror
# real QA test starts here
_require_scratch_nocheck
sflag='-s'
case $FSTYP in
btrfs)
_notrun "btrfs has a specialized test for this"
;;
*)
;;
esac
_require_logdev
_require_dm_target error
# Disable the scratch rt device to avoid test failures relating to the rt
# bitmap consuming all the free space in our small data device.
unset SCRATCH_RTDEV
echo "Format and mount"
_scratch_mkfs > $seqres.full 2>&1
_dmerror_init no_log
_dmerror_mount
datalen=65536
_require_fs_space $SCRATCH_MNT $datalen
# use fd 5 to hold file open
testfile=$SCRATCH_MNT/fsync-open-after-err
exec 5>$testfile
# write some data to file and fsync it out
$XFS_IO_PROG -c "pwrite -q 0 $datalen" -c fsync $testfile
# flip device to non-working mode
_dmerror_load_error_table
# rewrite the data, call sync to ensure it's written back w/o scraping error
$XFS_IO_PROG -c "pwrite -q 0 $datalen" -c sync $testfile
# heal the device error
_dmerror_load_working_table
# open again and call fsync
echo "The following fsync should fail with EIO:"
$XFS_IO_PROG -c fsync $testfile
echo "done"
# close file
exec 5>&-
# success, all done
_dmerror_cleanup
status=0
exit
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