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 _begin_fstest auto quick volume seed
19 # Override the default cleanup function.
27 # Import common functions.
29 . ./common/filter.btrfs
31 # real QA test starts here
33 # Modify as appropriate.
35 _require_command "$BTRFS_TUNE_PROG" btrfstune
36 _require_scratch_dev_pool 3
37 _require_btrfs_forget_or_module_loadable
39 _scratch_dev_pool_get 3
41 dev_seed=$(echo $SCRATCH_DEV_POOL | awk '{print $1}')
42 dev_sprout=$(echo $SCRATCH_DEV_POOL | awk '{print $2}')
43 dev_replace_tgt=$(echo $SCRATCH_DEV_POOL | awk '{print $3}')
48 run_check _mount $dev_seed $SCRATCH_MNT
49 $XFS_IO_PROG -f -d -c "pwrite -S 0xab 0 4M" $SCRATCH_MNT/foobar >\
52 od -x $SCRATCH_MNT/foobar
53 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
55 $BTRFS_TUNE_PROG -S 1 $dev_seed
56 run_check _mount $dev_seed $SCRATCH_MNT
61 _run_btrfs_util_prog device add -f $dev_sprout $SCRATCH_MNT
62 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
63 _mount -o remount,rw $dev_sprout $SCRATCH_MNT
64 $XFS_IO_PROG -f -c "pwrite -S 0xcd 0 4M" $SCRATCH_MNT/foobar2 >\
70 _run_btrfs_util_prog replace start -fB $dev_sprout $dev_replace_tgt $SCRATCH_MNT
71 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT
73 _btrfs_forget_or_module_reload
74 run_check _mount -o device=$dev_seed $dev_replace_tgt $SCRATCH_MNT
76 od -x $SCRATCH_MNT/foobar
77 od -x $SCRATCH_MNT/foobar2
84 _btrfs_forget_or_module_reload
85 run_check _mount $dev_seed $SCRATCH_MNT
86 _run_btrfs_util_prog filesystem show -m $SCRATCH_MNT