4 # Test btrfs's subvolume and snapshot support
6 #-----------------------------------------------------------------------
7 # Copyright (c) 2011 Red Hat. All Rights Reserved.
9 # This program is free software; you can redistribute it and/or
10 # modify it under the terms of the GNU General Public License as
11 # published by the Free Software Foundation.
13 # This program is distributed in the hope that it would be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program; if not, write the Free Software Foundation,
20 # Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
22 #-----------------------------------------------------------------------
26 echo "QA output created by $seq"
30 status=1 # failure is the default!
37 trap "_cleanup ; exit \$status" 0 1 2 3 15
39 # get standard environment, filters and checks
43 # real QA test starts here
48 _scratch_mkfs > /dev/null 2>&1
51 # First test basic snapshotting
52 echo "Creating file foo in root dir"
53 dd if=/dev/zero of=$SCRATCH_MNT/foo bs=1M count=1 &> /dev/null
56 echo "Creating snapshot of root dir"
57 btrfs subvolume snapshot $SCRATCH_MNT $SCRATCH_MNT/snap | _filter_scratch
58 echo "List root dir after snapshot"
60 echo "List snapshot dir"
62 rm -f $SCRATCH_MNT/foo
63 echo "List root dir after rm of foo"
65 echo "List snapshot dir"
68 # Test creating a normal subvolme
69 btrfs subvolume create $SCRATCH_MNT/subvol | _filter_scratch
70 echo "Listing root dir"
73 ls $SCRATCH_MNT/subvol
75 # Test setting a default mount
76 echo "Creating file bar in subvol"
77 dd if=/dev/zero of=$SCRATCH_MNT/subvol/bar bs=1M count=1 &> /dev/null
78 echo "Setting subvol to the default"
79 btrfs subvolume set-default 0 $SCRATCH_MNT/subvol | _filter_scratch
81 echo "List root dir which is now subvol"
84 echo "Mounting sbuvolid=0 for the root dir"
85 _scratch_mount "-o subvolid=0"
88 echo "Setting the root dir as the default again"
89 btrfs subvolume set-default 0 $SCRATCH_MNT | _filter_scratch
94 # Test listing the subvolumes
95 echo "Listing subvolumes"
96 btrfs subvolume list $SCRATCH_MNT | awk '{ print $NF }'
99 btrfs subvolume delete $SCRATCH_MNT/snap | _filter_scratch