--- /dev/null
+#! /bin/bash
+# FS QA Test No. 022
+#
+# Test the basic functionality of qgroups
+#
+#-----------------------------------------------------------------------
+# Copyright (c) 2013 Fusion IO. All Rights Reserved.
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License as
+# published by the Free Software Foundation.
+#
+# This program is distributed in the hope that it would be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write the Free Software Foundation,
+# Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+#-----------------------------------------------------------------------
+#
+
+seq=`basename $0`
+seqres=$RESULT_DIR/$seq
+echo "QA output created by $seq"
+
+here=`pwd`
+tmp=/tmp/$$
+status=1 # failure is the default!
+trap "_cleanup; exit \$status" 0 1 2 3 15
+
+_cleanup()
+{
+ cd /
+ rm -f $tmp.*
+}
+
+# get standard environment, filters and checks
+. ./common/rc
+. ./common/filter
+
+_supported_fs btrfs
+_supported_os Linux
+_require_scratch
+
+rm -f $seqres.full
+
+# Test to make sure we can actually turn it on and it makes sense
+_basic_test()
+{
+ run_check $BTRFS_UTIL_PROG subvolume create $SCRATCH_MNT/a
+ run_check $BTRFS_UTIL_PROG quota enable $SCRATCH_MNT/a
+ subvolid=$(_btrfs_get_subvolid $SCRATCH_MNT a)
+ $BTRFS_UTIL_PROG qgroup show $SCRATCH_MNT | grep $subvolid >> \
+ $seqres.full 2>&1
+ [ $? -eq 0 ] || _fail "couldn't find our subvols quota group"
+ run_check $FSSTRESS_PROG -d $SCRATCH_MNT/a -w -p 1 -n 2000 \
+ $FSSTRESS_AVOID
+ run_check $BTRFS_UTIL_PROG subvolume snapshot $SCRATCH_MNT/a \
+ $SCRATCH_MNT/b
+
+ # the shared values of both the original subvol and snapshot should
+ # match
+ a_shared=$($BTRFS_UTIL_PROG qgroup show $SCRATCH_MNT | grep $subvolid)
+ a_shared=$(echo $a_shared | awk '{ print $2 }')
+ subvolid=$(_btrfs_get_subvolid $SCRATCH_MNT b)
+ b_shared=$($BTRFS_UTIL_PROG qgroup show $SCRATCH_MNT | grep $subvolid)
+ b_shared=$(echo $b_shared | awk '{ print $2 }')
+ [ $b_shared -eq $a_shared ] || _fail "shared values don't match"
+}
+
+#enable quotas, do some work, check our values and then rescan and make sure we
+#come up with the same answer
+_rescan_test()
+{
+ # first with a blank subvol
+ run_check $BTRFS_UTIL_PROG subvol create $SCRATCH_MNT/a
+ run_check $BTRFS_UTIL_PROG quota enable $SCRATCH_MNT/a
+ subvolid=$(_btrfs_get_subvolid $SCRATCH_MNT a)
+ run_check $FSSTRESS_PROG -d $SCRATCH_MNT/a -w -p 1 -n 2000 \
+ $FSSTRESS_AVOID
+ sync
+ output=$($BTRFS_UTIL_PROG qgroup show $SCRATCH_MNT | grep $subvolid)
+ echo $output >> $seqres.full
+ refer=$(echo $output | awk '{ print $2 }')
+ excl=$(echo $output | awk '{ print $3 }')
+ run_check $BTRFS_UTIL_PROG quota rescan -w $SCRATCH_MNT
+ output=$($BTRFS_UTIL_PROG qgroup show $SCRATCH_MNT | grep $subvolid)
+ echo $output >> $seqres.full
+ [ $refer -eq $(echo $output | awk '{ print $2 }') ] || \
+ _fail "reference values don't match after rescan"
+ [ $excl -eq $(echo $output | awk '{ print $3 }') ] || \
+ _fail "exclusive values don't match after rescan"
+}
+
+#basic limit testing
+_limit_test()
+{
+ run_check $BTRFS_UTIL_PROG subvol create $SCRATCH_MNT/a
+ run_check $BTRFS_UTIL_PROG quota enable $SCRATCH_MNT
+ subvolid=$(_btrfs_get_subvolid $SCRATCH_MNT a)
+ run_check $BTRFS_UTIL_PROG qgroup limit 5M 0/$subvolid $SCRATCH_MNT
+ dd if=/dev/urandom of=$SCRATCH_MNT/a/file bs=10M count=1 >> \
+ $seqres.full 2>&1
+ [ $? -ne 0 ] || _fail "quota should have limited us"
+ dd if=/dev/urandom of=$SCRATCH_MNT/a/file bs=4M count=1 >> \
+ $seqres.full 2>&1
+ [ $? -eq 0 ] || _fail "should have been allowed to write"
+}
+
+_scratch_mkfs > /dev/null 2>&1
+_scratch_mount
+_basic_test
+_scratch_unmount
+
+_scratch_mkfs > /dev/null 2>&1
+_scratch_mount
+_rescan_test
+_scratch_unmount
+
+_scratch_mkfs > /dev/null 2>&1
+_scratch_mount
+_limit_test
+
+# success, all done
+echo "Silence is golden"
+status=0
+exit