mirror of
https://github.com/linux-apfs/apfstests.git
synced 2026-05-01 15:01:44 -07:00
Josef Bacik
640d1e1e16
Btrfs had some issues with fsync()'ing directories and fsync()'ing after renames. These three new tests cover the 3 different issues we were seeing. This breaks out the dmflakey stuff into a common helper to be shared between generic/311 and this new test. Signed-off-by: Josef Bacik <jbacik@fusionio.com> Reviewed-by: Christoph Hellwig <hch@lst.de> Signed-off-by: Dave Chinner <david@fromorbit.com>
75 lines
2.2 KiB
Plaintext
75 lines
2.2 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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_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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}
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_mount_flakey()
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{
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mount -t $FSTYP $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 $SCRATCH_MNT > /dev/null 2>&1
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$DMSETUP_PROG remove flakey-test > /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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