2 # SPDX-License-Identifier: GPL-2.0
3 # Copyright (c) 2018 Oracle. All Rights Reserved.
7 # Test case to verify that a sprouted device can be replaced
9 # Create a sprout device
11 # Run device replace on the sprout device
13 # Depends on the kernel patch
14 # c6a5d954950c btrfs: fail replace of seed device
17 seqres=$RESULT_DIR/$seq
18 echo "QA output created by $seq"
22 status=1 # failure is the default!
23 trap "_cleanup; exit \$status" 0 1 2 3 15
32 # get standard environment, filters and checks
35 . ./common/filter.btrfs
37 # remove previous $seqres.full before test
40 # real QA test starts here
42 # Modify as appropriate.
44 _require_command "$BTRFS_TUNE_PROG" btrfstune
45 _require_scratch_dev_pool 3
46 _require_btrfs_forget_or_module_loadable
48 _scratch_dev_pool_get 3
50 dev_seed=$(echo $SCRATCH_DEV_POOL | awk '{print $1}')
51 dev_sprout=$(echo $SCRATCH_DEV_POOL | awk '{print $2}')
52 dev_replace_tgt=$(echo $SCRATCH_DEV_POOL | awk '{print $3}')
57 run_check _mount $dev_seed $SCRATCH_MNT
58 $XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 4M" $SCRATCH_MNT/foobar >\
61 od -x $SCRATCH_MNT/foobar
62 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
64 $BTRFS_TUNE_PROG -S 1 $dev_seed
65 run_check _mount $dev_seed $SCRATCH_MNT
70 _run_btrfs_util_prog device add -f $dev_sprout $SCRATCH_MNT
71 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
72 _mount -o remount,rw $dev_sprout $SCRATCH_MNT
73 $XFS_IO_PROG -f -c "pwrite -S 0xcd 0 4M" $SCRATCH_MNT/foobar2 >\
79 _run_btrfs_util_prog replace start -fB $dev_sprout $dev_replace_tgt $SCRATCH_MNT
80 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
82 _btrfs_forget_or_module_reload
83 run_check _mount -o device=$dev_seed $dev_replace_tgt $SCRATCH_MNT
85 od -x $SCRATCH_MNT/foobar
86 od -x $SCRATCH_MNT/foobar2
93 _btrfs_forget_or_module_reload
94 run_check _mount $dev_seed $SCRATCH_MNT
95 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
105 _scratch_dev_pool_put
106 _btrfs_rescan_devices