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Xiao Yang
f86ce7cc4b
Make sure both "$UDEV_SETTLE_PROG" and "mknodes" can always be run after a dm create or remove operation. Suggested-by: Dave Chinner <david@fromorbit.com> Reviewed-by: David Sterba <dsterba@suse.com> Signed-off-by: Xiao Yang <yangx.jy@cn.fujitsu.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
90 lines
1.9 KiB
Plaintext
90 lines
1.9 KiB
Plaintext
##/bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (c) 2015 Oracle. All Rights Reserved.
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#
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# common functions for setting up and tearing down a dmerror device
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echo $MOUNT_OPTIONS | grep -q dax
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if [ $? -eq 0 ]; then
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_notrun "Cannot run tests with DAX on dmerror devices"
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fi
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_dmerror_setup()
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{
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local dm_backing_dev=$SCRATCH_DEV
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local blk_dev_size=`blockdev --getsz $dm_backing_dev`
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DMERROR_DEV='/dev/mapper/error-test'
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DMLINEAR_TABLE="0 $blk_dev_size linear $dm_backing_dev 0"
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DMERROR_TABLE="0 $blk_dev_size error $dm_backing_dev 0"
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}
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_dmerror_init()
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{
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_dmerror_setup
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_dmsetup_remove error-test
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_dmsetup_create error-test --table "$DMLINEAR_TABLE" || \
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_fatal "failed to create dm linear device"
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}
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_dmerror_mount()
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{
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_scratch_options mount
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$MOUNT_PROG -t $FSTYP `_common_dev_mount_options $*` $SCRATCH_OPTIONS \
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$DMERROR_DEV $SCRATCH_MNT
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}
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_dmerror_unmount()
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{
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umount $SCRATCH_MNT
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}
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_dmerror_cleanup()
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{
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$UMOUNT_PROG $SCRATCH_MNT > /dev/null 2>&1
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_dmsetup_remove error-test
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}
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_dmerror_load_error_table()
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{
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suspend_opt="--nolockfs"
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if [ "$1" = "lockfs" ]; then
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suspend_opt=""
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elif [ -n "$*" ]; then
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suspend_opt="$*"
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fi
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$DMSETUP_PROG suspend $suspend_opt error-test
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[ $? -ne 0 ] && _fail "dmsetup suspend failed"
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$DMSETUP_PROG load error-test --table "$DMERROR_TABLE"
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[ $? -ne 0 ] && _fail "dmsetup failed to load error table"
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$DMSETUP_PROG resume error-test
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[ $? -ne 0 ] && _fail "dmsetup resume failed"
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}
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_dmerror_load_working_table()
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{
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suspend_opt="--nolockfs"
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if [ "$1" = "lockfs" ]; then
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suspend_opt=""
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elif [ -n "$*" ]; then
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suspend_opt="$*"
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fi
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$DMSETUP_PROG suspend $suspend_opt error-test
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[ $? -ne 0 ] && _fail "dmsetup suspend failed"
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$DMSETUP_PROG load error-test --table "$DMLINEAR_TABLE"
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[ $? -ne 0 ] && _fail "dmsetup failed to load error table"
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$DMSETUP_PROG resume error-test
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[ $? -ne 0 ] && _fail "dmsetup resume failed"
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}
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