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xfstests: add test 254 for testing basic btrfs volume functionality
This test just runs through all of the basic btrfs commands that manipulate our subvolume stuff. It creates a snapshot, a subvolume, sets the subvolume as a default, lists the volumes and deletes the snapshot. Thanks, Signed-off-by: Josef Bacik <josef@redhat.com> Signed-off-by: Christoph Hellwig <hch@lst.de>
This commit is contained in:
Josef Bacik
committed by
Christoph Hellwig
Christoph Hellwig
parent
630421f6d4
commit
174e29730f
@@ -0,0 +1,107 @@
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#! /bin/bash
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# FS QA Test No. 254
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#
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# Test btrfs's subvolume and snapshot support
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#
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#-----------------------------------------------------------------------
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# Copyright (c) 2011 Red Hat. All Rights Reserved.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it would be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write the Free Software Foundation,
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# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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#
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#-----------------------------------------------------------------------
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#
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# creator
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owner=josef@redhat.com
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seq=`basename $0`
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echo "QA output created by $seq"
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here=`pwd`
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tmp=/tmp/$$
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status=1 # failure is the default!
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_cleanup()
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{
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rm -f $tmp.*
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}
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trap "_cleanup ; exit \$status" 0 1 2 3 15
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# get standard environment, filters and checks
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. ./common.rc
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# real QA test starts here
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_supported_fs btrfs
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_supported_os Linux
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_require_scratch
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_scratch_mkfs > /dev/null 2>&1
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_scratch_mount
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# First test basic snapshotting
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echo "Creating file foo in root dir"
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dd if=/dev/zero of=$SCRATCH_MNT/foo bs=1M count=1 &> /dev/null
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echo "List root dir"
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ls $SCRATCH_MNT
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echo "Creating snapshot of root dir"
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btrfs subvolume snapshot $SCRATCH_MNT $SCRATCH_MNT/snap
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echo "List root dir after snapshot"
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ls $SCRATCH_MNT
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echo "List snapshot dir"
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ls $SCRATCH_MNT/snap
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rm -f $SCRATCH_MNT/foo
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echo "List root dir after rm of foo"
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ls $SCRATCH_MNT
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echo "List snapshot dir"
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ls $SCRATCH_MNT/snap
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# Test creating a normal subvolme
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btrfs subvolume create $SCRATCH_MNT/subvol
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echo "Listing root dir"
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ls $SCRATCH_MNT
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echo "Listing subvol"
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ls $SCRATCH_MNT/subvol
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# Test setting a default mount
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echo "Creating file bar in subvol"
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dd if=/dev/zero of=$SCRATCH_MNT/subvol/bar bs=1M count=1 &> /dev/null
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echo "Setting subvol to the default"
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btrfs subvolume set-default $SCRATCH_MNT/subvol $SCRATCH_MNT/subvol
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_scratch_remount
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echo "List root dir which is now subvol"
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ls $SCRATCH_MNT
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_scratch_unmount
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echo "Mounting sbuvolid=0 for the root dir"
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_scratch_mount "-o subvolid=0"
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echo "List root dir"
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ls $SCRATCH_MNT
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echo "Setting the root dir as the default again"
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btrfs subvolume set-default $SCRATCH_MNT $SCRATCH_MNT
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_scratch_remount
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echo "List root dir"
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ls $SCRATCH_MNT
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# Test listing the subvolumes
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echo "Listing subvolumes"
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btrfs subvolume list $SCRATCH_MNT
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# Delete the snapshot
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btrfs subvolume delete $SCRATCH_MNT/snap
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echo "List root dir"
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ls $SCRATCH_MNT
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_scratch_remount
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echo "List root dir"
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ls $SCRATCH_MNT
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status=0 ; exit
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@@ -0,0 +1,40 @@
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QA output created by 254
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Creating file foo in root dir
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List root dir
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foo
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Creating snapshot of root dir
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Create a snapshot of '/mnt/scratch' in '/mnt/scratch/snap'
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List root dir after snapshot
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foo
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snap
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List snapshot dir
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foo
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List root dir after rm of foo
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snap
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List snapshot dir
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foo
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Create subvolume '/mnt/scratch/subvol'
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Listing root dir
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snap
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subvol
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Listing subvol
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Creating file bar in subvol
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Setting subvol to the default
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List root dir which is now subvol
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bar
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Mounting sbuvolid=0 for the root dir
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List root dir
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snap
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subvol
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Setting the root dir as the default again
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List root dir
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snap
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subvol
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Listing subvolumes
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ID 256 top level 5 path snap
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ID 257 top level 5 path subvol
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Delete subvolume '/mnt/scratch/snap'
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List root dir
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subvol
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List root dir
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subvol
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