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
31 # get standard environment, filters and checks
34 . ./common/filter.btrfs
36 # remove previous $seqres.full before test
39 # real QA test starts here
41 # Modify as appropriate.
43 _require_command "$BTRFS_TUNE_PROG" btrfstune
44 _require_scratch_dev_pool 3
45 _require_btrfs_forget_or_module_loadable
47 _scratch_dev_pool_get 3
49 dev_seed=$(echo $SCRATCH_DEV_POOL | awk '{print $1}')
50 dev_sprout=$(echo $SCRATCH_DEV_POOL | awk '{print $2}')
51 dev_replace_tgt=$(echo $SCRATCH_DEV_POOL | awk '{print $3}')
56 run_check _mount $dev_seed $SCRATCH_MNT
57 $XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 4M" $SCRATCH_MNT/foobar >\
60 od -x $SCRATCH_MNT/foobar
61 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
63 $BTRFS_TUNE_PROG -S 1 $dev_seed
64 run_check _mount $dev_seed $SCRATCH_MNT
69 _run_btrfs_util_prog device add -f $dev_sprout $SCRATCH_MNT
70 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
71 _mount -o remount,rw $dev_sprout $SCRATCH_MNT
72 $XFS_IO_PROG -f -c "pwrite -S 0xcd 0 4M" $SCRATCH_MNT/foobar2 >\
78 _run_btrfs_util_prog replace start -fB $dev_sprout $dev_replace_tgt $SCRATCH_MNT
79 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
81 _btrfs_forget_or_module_reload
82 run_check _mount -o device=$dev_seed $dev_replace_tgt $SCRATCH_MNT
84 od -x $SCRATCH_MNT/foobar
85 od -x $SCRATCH_MNT/foobar2
92 _btrfs_forget_or_module_reload
93 run_check _mount $dev_seed $SCRATCH_MNT
94 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
104 _scratch_dev_pool_put