mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Eryu Guan
3bc4c5895c
_dmerror_cleanup()/_cleanup_flakey may fail to remove dm device due to EBUSY and cause subsequent tests to fail. Fix it by calling $UDEV_SETTLE_PROG before remove dm device to make sure no one is using it. Signed-off-by: Eryu Guan <eguan@redhat.com> Reviewed-by: Filipe Manana <fdmanana@suse.com> Signed-off-by: Dave Chinner <david@fromorbit.com>
101 lines
2.8 KiB
Plaintext
101 lines
2.8 KiB
Plaintext
##/bin/bash
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#
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# Copyright (c) 2013 Fusion IO, 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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# common functions for setting up and tearing down a dmflakey device
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FLAKEY_ALLOW_WRITES=0
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FLAKEY_DROP_WRITES=1
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echo $MOUNT_OPTIONS | grep -q dax
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if [ $? -eq 0 ]; then
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_notrun "Cannot run tests with DAX on dmflakey devices"
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fi
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_init_flakey()
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{
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local BLK_DEV_SIZE=`blockdev --getsz $SCRATCH_DEV`
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FLAKEY_DEV=/dev/mapper/flakey-test
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FLAKEY_TABLE="0 $BLK_DEV_SIZE flakey $SCRATCH_DEV 0 180 0"
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FLAKEY_TABLE_DROP="0 $BLK_DEV_SIZE flakey $SCRATCH_DEV 0 0 180 1 drop_writes"
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$DMSETUP_PROG create flakey-test --table "$FLAKEY_TABLE" || \
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_fatal "failed to create flakey device"
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$DMSETUP_PROG mknodes > /dev/null 2>&1
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}
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_mount_flakey()
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{
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_scratch_options mount
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mount -t $FSTYP $SCRATCH_OPTIONS $MOUNT_OPTIONS $FLAKEY_DEV $SCRATCH_MNT
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}
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_unmount_flakey()
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{
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$UMOUNT_PROG $SCRATCH_MNT
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}
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_cleanup_flakey()
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{
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# If dmsetup load fails then we need to make sure to do resume here
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# otherwise the umount will hang
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$DMSETUP_PROG resume flakey-test > /dev/null 2>&1
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$UMOUNT_PROG $SCRATCH_MNT > /dev/null 2>&1
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# wait for device to be fully settled so that 'dmsetup remove' doesn't
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# fail due to EBUSY
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$UDEV_SETTLE_PROG >/dev/null 2>&1
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$DMSETUP_PROG remove flakey-test > /dev/null 2>&1
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$DMSETUP_PROG mknodes > /dev/null 2>&1
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}
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# _load_flakey_table <table> [lockfs]
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#
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# This defaults to --nolockfs, which doesn't freeze_fs() before loading the new
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# table, so it simulates power failure.
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_load_flakey_table()
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{
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table="$FLAKEY_TABLE"
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[ $1 -eq $FLAKEY_DROP_WRITES ] && table="$FLAKEY_TABLE_DROP"
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suspend_opt="--nolockfs"
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[ $# -gt 1 ] && [ $2 -eq 1 ] && suspend_opt=""
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$DMSETUP_PROG suspend $suspend_opt flakey-test
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[ $? -ne 0 ] && _fatal "failed to suspend flakey-test"
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$DMSETUP_PROG load flakey-test --table "$table"
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[ $? -ne 0 ] && _fatal "failed to load table into flakey-test"
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$DMSETUP_PROG resume flakey-test
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[ $? -ne 0 ] && _fatal "failed to resumeflakey-test"
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}
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# Silently drop all writes and unmount/remount to simulate a crash/power
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# failure.
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_flakey_drop_and_remount()
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{
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_load_flakey_table $FLAKEY_DROP_WRITES
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_unmount_flakey
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if [ "x$1" = "xyes" ]; then
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_check_scratch_fs $FLAKEY_DEV
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fi
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_load_flakey_table $FLAKEY_ALLOW_WRITES
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_mount_flakey
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}
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