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#!/usr/bin/env bash
# nbd client library in userspace
# Copyright Red Hat
#
# This library is free software; you can redistribute it and/or
# modify it under the terms of the GNU Lesser General Public
# License as published by the Free Software Foundation; either
# version 2 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# This nbdkit plugin is used to test flags support in the libnbd
# library. See tests/eflags.c
key=`cat $tmpdir/key`
print=`cat $tmpdir/print`
rc=`cat $tmpdir/rc`
if [ "$1" = "$key" ]; then
if [ -n "$print" ]; then echo "$print"; fi
exit "$rc"
fi
case "$1" in
thread_model)
echo parallel
;;
config)
case "$2" in
key|print|rc) echo "$3" > $tmpdir/$2 ;;
*)
echo "unknown config key: $2" >&2
exit 1
;;
esac
;;
get_size)
echo 1M
;;
pread)
dd if=/dev/zero count=$3 iflag=count_bytes
;;
can_write)
# We have to answer this with true, otherwise the plugin will
# be read-only and methods like can_trim will never be called.
exit 0
;;
can_zero)
# We have to default to answering this with true before
# can_fast_zero has an effect.
exit 0
;;
*)
exit 2
;;
esac
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