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https://github.com/linux-apfs/apfstests.git
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Jeff Moyer
fc7b390389
Move the check for dax from the individual target scripts into _require_dm_target. This fixes up a couple of missed tests that are failing due to the lack of dax support (such as tests requiring dm-snapshot). Signed-off-by: Jeff Moyer <jmoyer@redhat.com> Reviewed-by: Zorro Lang <zlang@redhat.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
99 lines
2.6 KiB
Plaintext
99 lines
2.6 KiB
Plaintext
##/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2013 Fusion IO, Inc. All Rights Reserved.
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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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FLAKEY_ERROR_WRITES=2
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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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FLAKEY_TABLE_ERROR="0 $BLK_DEV_SIZE flakey $SCRATCH_DEV 0 0 180 1 error_writes"
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_dmsetup_create flakey-test --table "$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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_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 $SCRATCH_MNT > /dev/null 2>&1
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_dmsetup_remove flakey-test
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}
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# _load_flakey_table <table> [lockfs]
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#
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# This defaults to --nolockfs, which doesn't freeze_fs() before loading the new
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# table, so it simulates power failure.
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_load_flakey_table()
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{
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table="$FLAKEY_TABLE"
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[ $1 -eq $FLAKEY_DROP_WRITES ] && table="$FLAKEY_TABLE_DROP"
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[ $1 -eq $FLAKEY_ERROR_WRITES ] && table="$FLAKEY_TABLE_ERROR"
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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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[ $? -ne 0 ] && _fatal "failed to suspend flakey-test"
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# There may be multiple dm targets in the table, and these dm targets
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# will be joined by the newline ("\n"). Option --table can not cope with
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# the multiple-targets case, so get them by reading from standard input.
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echo -e "$table" | $DMSETUP_PROG load flakey-test
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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 resume flakey-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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_require_flakey_with_error_writes()
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{
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local SIZE
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local TABLE
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local NAME=flakey-test
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_require_dm_target flakey
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SIZE=`blockdev --getsz $SCRATCH_DEV`
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TABLE="0 $SIZE flakey $SCRATCH_DEV 0 0 180 1 error_writes"
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_dmsetup_create $NAME --table "$TABLE" || \
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_notrun "This test requires error_writes feature in dm-flakey"
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_cleanup_flakey
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}
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