Fairly trivial test to use the dm-thin infrastructure. Right now it exhausts space in queue-on-error mode, adds more space, does a bit more IO, then unmounts & checks the fs.
Not sure if that's valid to test, but it works here and demonstrates the common/dmthin helpers. Signed-off-by: Eric Sandeen <[email protected]> --- diff --git a/tests/generic/115 b/tests/generic/115 new file mode 100755 index 0000000..ef9d881 --- /dev/null +++ b/tests/generic/115 @@ -0,0 +1,85 @@ +#! /bin/bash +# FS QA Test No. generic/115 +# +# Test very basic thin device usage, exhaustion, and growth +# +# Copyright (c) 2015 Red Hat, Inc. 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 + +BACKING_SIZE=$((500 * 1024 * 1024 / 512)) # 500M +VIRTUAL_SIZE=$((10 * $BACKING_SIZE)) # 5000M +GROW_SIZE=$((100 * 1024 * 1024 / 512)) # 100M + +_cleanup() +{ + _dmthin_cleanup + rm -f $tmp.* +} + +_setup_thin() +{ + _dmthin_init $BACKING_SIZE $VIRTUAL_SIZE + _dmthin_set_queue + _mkfs_dev $DMTHIN_VOL_DEV + _dmthin_mount +} + +_workout() +{ + # Overfill it by a bit + for I in `seq 1 500`; do + $XFS_IO_PROG -f -c "pwrite -W 0 1M" $SCRATCH_MNT/file$I &>/dev/null + done + + sync + + _dmthin_grow $GROW_SIZE + + # Write a little more, but don't fill + for I in `seq 501 510`; do + $XFS_IO_PROG -f -c "pwrite 0 1M" $SCRATCH_MNT/file$I &>/dev/null + done +} + +# get standard environment, filters and checks +. ./common/rc +. ./common/dmthin + +_supported_fs generic +_supported_os Linux +_need_to_be_root +_require_dm_target thin + +_setup_thin +_dmthin_set_queue +_workout +_dmthin_check_fs +_dmthin_cleanup + +echo "=== completed" + +status=0 +exit diff --git a/tests/generic/115.out b/tests/generic/115.out new file mode 100644 index 0000000..39ebd87 --- /dev/null +++ b/tests/generic/115.out @@ -0,0 +1,2 @@ +QA output created by 115 +=== completed diff --git a/tests/generic/group b/tests/generic/group index 1dd4269..729578d 100644 --- a/tests/generic/group +++ b/tests/generic/group @@ -115,6 +115,7 @@ 112 rw aio auto quick 113 rw aio auto quick 114 rw aio auto quick +115 rw thin auto quick 117 attr auto quick 120 other auto quick 123 perms auto quick -- To unsubscribe from this list: send the line "unsubscribe fstests" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html
