mirror of
git://sourceware.org/git/lvm2.git
synced 2024-10-27 10:25:13 +03:00
f2878a801c
Performance with direct I/O here is noticable better, so use it instead of buffered write whenever we can.
36 lines
964 B
Bash
36 lines
964 B
Bash
#!/usr/bin/env bash
|
|
|
|
# Copyright (C) 2014 Red Hat, Inc. All rights reserved.
|
|
#
|
|
# This copyrighted material is made available to anyone wishing to use,
|
|
# modify, copy, or redistribute it subject to the terms and conditions
|
|
# of the GNU General Public License v.2.
|
|
#
|
|
# You should have received a copy of the GNU General Public License
|
|
# along with this program; if not, write to the Free Software Foundation,
|
|
# Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
|
|
|
|
# Testing calculation of snapshot space
|
|
# https://bugzilla.redhat.com/show_bug.cgi?id=1035871
|
|
|
|
|
|
SKIP_WITH_LVMPOLLD=1
|
|
|
|
. lib/inittest
|
|
|
|
aux prepare_pvs 1
|
|
get_devs
|
|
|
|
vgcreate $SHARED -s 4K "$vg" "${DEVICES[@]}"
|
|
|
|
lvcreate -aey -L1 -n $lv1 $vg
|
|
# Snapshot should be large enough to handle any writes
|
|
lvcreate -L2 -s $vg/$lv1 -n $lv2
|
|
|
|
dd if=/dev/zero of="$DM_DEV_DIR/$vg/$lv2" bs=1M count=1 oflag=direct
|
|
|
|
# Snapshot must not be 'I'nvalid here
|
|
check lv_attr_bit state $vg/$lv2 "a"
|
|
|
|
vgremove -f $vg
|