102 lines
2.8 KiB
Bash
Executable File
102 lines
2.8 KiB
Bash
Executable File
#!/bin/bash
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#
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# Copyright (c) International Business Machines Corp., 2005
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# Author: Avantika Mathur (mathurav@us.ibm.com)
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#
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# This library is free software; you can redistribute it and/or
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# modify it under the terms of the GNU Lesser General Public
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# License as published by the Free Software Foundation; either
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# version 2.1 of the License, or (at your option) any later version.
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#
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# This library is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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# Lesser General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public
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# License along with this library; if not, write to the Free Software
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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#
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mflags=""
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#mflags="-n" # Don't futz with mtab
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flag=y
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while getopts "n" arg "$@"
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do
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case "$arg" in
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n) flag=n
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shift
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;;
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esac
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done
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bind_type="$1"
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dir="$2"
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if [ ! -d "$dir" ]
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then
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if [ -e "$dir" ]; then
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echo "ERROR: a file by the name \"$dir\" exists"
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exit 1
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fi
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mkdir -p "$dir"
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echo "mkdir -p \"$dir\""
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fi
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if [ "$flag" = "y" ] && [ "$bind_type" != slave ]
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then
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mount $mflags --bind "$dir" "$dir" || exit $?
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echo "mount $mflags --bind \"$dir\" \"$dir\""
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fi
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# Try to use native mount, else fallback to included smount binary
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case "$bind_type" in
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share)
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echo "mount $mflags --make-rshared \"$dir\""
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mount $mflags --make-rshared "$dir" 2> /dev/null || \
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smount "$dir" rshared || exit $?
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;;
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priv)
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echo "mount $mflags --make-rprivate \"$dir\""
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mount $mflags --make-rprivate "$dir" 2> /dev/null || \
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smount "$dir" rprivate || exit $?
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;;
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slave)
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echo "mount $mflags --make-rslave \"$dir\""
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mount $mflags --make-rslave "$dir" 2> /dev/null || \
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smount "$dir" rslave || exit $?
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;;
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unclone)
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echo "mount $mflags --make-runbindable \"$dir\""
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mount $mflags --make-runbindable "$dir" 2> /dev/null || \
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smount "$dir" runclone || exit $?
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;;
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nshare)
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echo "mount $mflags --make-shared \"$dir\""
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mount $mflags --make-shared "$dir" 2> /dev/null || \
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smount "$dir" shared || exit $?
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;;
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npriv)
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echo "mount $mflags --make-private \"$dir\""
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mount $mflags --make-private "$dir" 2> /dev/null || \
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smount "$dir" private || exit $?
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;;
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nslave)
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echo "mount $mflags --make-slave \"$dir\""
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mount $mflags --make-slave "$dir" 2> /dev/null || \
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smount "$dir" slave || exit $?
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;;
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nunclone)
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echo "mount $mflags --make-unbindable \"$dir\""
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mount $mflags --make-unbindable "$dir" 2> /dev/null || \
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smount "$dir" unclone || exit $?
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;;
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*)
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echo "$0: unrecognized bind type (1st arg): $bind_type" 1>&2
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exit 1
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;;
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esac
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