2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2018, Jeff Layton <jlayton@redhat.com>
7 # Open a file several times, write to it, fsync on all fds and make sure that
8 # they all return 0. Change the device to start throwing errors. Write again
9 # on all fds and fsync on all fds. Ensure that we get errors on all of them.
10 # Then fsync on all one last time and verify that all return 0.
13 seqres=$RESULT_DIR/$seq
14 echo "QA output created by $seq"
18 status=1 # failure is the default!
19 trap "_cleanup; exit \$status" 0 1 2 3 15
28 # get standard environment, filters and checks
33 # real QA test starts here
34 _require_scratch_nocheck
39 _notrun "btrfs has a specialized test for this"
46 _require_dm_target error
50 # Disable the scratch rt device to avoid test failures relating to the rt
51 # bitmap consuming all the free space in our small data device.
54 echo "Format and mount"
55 _scratch_mkfs > $seqres.full 2>&1
60 _require_fs_space $SCRATCH_MNT $datalen
62 # use fd 5 to hold file open
63 testfile=$SCRATCH_MNT/fsync-open-after-err
66 # write some data to file and fsync it out
67 $XFS_IO_PROG -c "pwrite -q 0 $datalen" -c fsync $testfile
69 # flip device to non-working mode
70 _dmerror_load_error_table
72 # rewrite the data, call sync to ensure it's written back w/o scraping error
73 $XFS_IO_PROG -c "pwrite -q 0 $datalen" -c sync $testfile
75 # heal the device error
76 _dmerror_load_working_table
78 # open again and call fsync
79 echo "The following fsync should fail with EIO:"
80 $XFS_IO_PROG -c fsync $testfile