#!/bin/sh
# Copyright 2011 Patrick J. Volkerding, Sebeka, Minnesota, USA
# All rights reserved.
#
# Redistribution and use of this script, with or without modification, is
# permitted provided that the following conditions are met:
#
# 1. Redistributions of this script must retain the above copyright
# notice, this list of conditions and the following disclaimer.
#
# THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
# WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
# MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
# EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
# PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
# OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
# WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
# OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
# ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
# Currently, btrfsck does not recognize any options, so eat any initial options
# beginning with '-'. Then, check the remaining args with btrfsck only if they
# exist and are readable.
# Strip initial args:
while [ ! -z "$1" ]; do
if [ "$(echo $1 | cut -b1)" = "-" ]; then
shift # strip option from command line
else
break
fi
done
# Main filesystem check loop:
RETVAL=0
while [ ! -z "$1" ]; do
if [ -r "$1" ]; then
echo "fsck.btrfs: Checking filesystem on $1"
# Checking the root filesystem (even read-only) will fail, check for that:
if ! grep -w "$1" /etc/fstab | grep -wq / ; then
btrfsck "$1"
ERRCODE=$?
if [ ! $ERRCODE = 0 ]; then
RETVAL=$ERRCODE
fi
else
echo " $1 mounted on /, skipped."
fi
fi
shift
done
# If there was an error, return the most recent error code:
exit $RETVAL
