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https://github.com/linux-apfs/apfstests.git
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Marcos Paulo de Souza
d116fe3774
Now btrfs can delete subvolumes based in ther subvolume id. This makes easy for the user willing to delete a subvolume that cannot be accessed by the mount point, since btrfs allows to mount a specific subvolume and hiding the other from the mount point. Signed-off-by: Marcos Paulo de Souza <mpdesouza@suse.com> Reviewed-by: Josef Bacik <josef@toxicpanda.com> Signed-off-by: Eryu Guan <guaneryu@gmail.com>
69 lines
1.9 KiB
Bash
Executable File
69 lines
1.9 KiB
Bash
Executable File
#! /bin/bash
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# SPDX-License-Identifier: GPL-2.0
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# Copyright (C) 2020 SUSE Linux Products GmbH. All Rights Reserved.
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#
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# FSQA Test No. 208
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#
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# Test subvolume deletion using the subvolume id, even when the subvolume in
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# question is in a different mount space.
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#
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seq=`basename $0`
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seqres=$RESULT_DIR/$seq
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echo "QA output created by $seq"
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tmp=/tmp/$$
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status=1 # failure is the default!
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# get standard environment, filters and checks
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. ./common/rc
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. ./common/filter
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. ./common/filter.btrfs
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# real QA test starts here
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch
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_require_btrfs_command subvolume delete --subvolid
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_scratch_mkfs > /dev/null 2>&1
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_scratch_mount
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_delete_and_list()
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{
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local subvol_name="$1"
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local msg="$2"
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SUBVOLID=$(_btrfs_get_subvolid $SCRATCH_MNT "$subvol_name")
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$BTRFS_UTIL_PROG subvolume delete --subvolid $SUBVOLID $SCRATCH_MNT | _filter_scratch
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echo "$msg"
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$BTRFS_UTIL_PROG subvolume list $SCRATCH_MNT | $AWK_PROG '{ print $NF }'
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}
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# Test creating a normal subvolumes
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$BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/subvol1 | _filter_scratch
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$BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/subvol2 | _filter_scratch
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$BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/subvol3 | _filter_scratch
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echo "Current subvolume ids:"
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$BTRFS_UTIL_PROG subvolume list $SCRATCH_MNT | $AWK_PROG '{ print $NF }'
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# Delete the subvolume subvol1, and list the remaining two subvolumes
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_delete_and_list subvol1 "After deleting one subvolume:"
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_scratch_unmount
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# Now we mount the subvol2, which makes subvol3 not accessible for this mount
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# point, but we should be able to delete it using it's subvolume id
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$MOUNT_PROG -o subvol=subvol2 $SCRATCH_DEV $SCRATCH_MNT
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_delete_and_list subvol3 "Last remaining subvolume:"
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_scratch_unmount
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# now mount the rootfs
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_scratch_mount
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# Delete the subvol2
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_delete_and_list subvol2 "All subvolumes removed."
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_scratch_unmount
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# success, all done
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status=0
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exit
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