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      1 #!/bin/bash
      2 
      3 #
      4 # Copyright (c) International Business Machines  Corp., 2005
      5 # Author: Avantika Mathur (mathurav (at] us.ibm.com)
      6 #
      7 # This library is free software; you can redistribute it and/or
      8 # modify it under the terms of the GNU Lesser General Public
      9 # License as published by the Free Software Foundation; either
     10 # version 2.1 of the License, or (at your option) any later version.
     11 #
     12 # This library is distributed in the hope that it will be useful,
     13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     15 # Lesser General Public License for more details.
     16 #
     17 # You should have received a copy of the GNU Lesser General Public
     18 # License along with this library; if not, write to the Free Software
     19 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
     20 #
     21 
     22 SETS_DEFAULTS="${TCID=test23} ${TST_COUNT=1} ${TST_TOTAL=1}"
     23 declare -r TCID
     24 declare -r TST_COUNT
     25 declare -r TST_TOTAL
     26 export TCID TST_COUNT TST_TOTAL
     27 
     28 tst_resm TINFO "***************TEST24***************"
     29 tst_resm TINFO "bind: shared child to shared parent."
     30 tst_resm TINFO "************************************"
     31 
     32 . "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of bind/test23 failed" && tst_exit)
     33 export result=0
     34 
     35 
     36 
     37 trap 'ERR=$? ; ERR_MSG="caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"; break' ERR
     38 
     39 while /bin/true ; do
     40 	# This loop is for error recovery purposes only
     41 
     42 
     43 	mkdir mnt mnt/1 mnt/2 mnt/1/abc tmp1 tmp1/3 tmp2
     44 
     45 	mount --bind mnt mnt
     46 	"${FS_BIND_ROOT}/bin/makedir" share mnt/1 mnt/1
     47 	mount --bind mnt/1 mnt/2
     48 	mount --bind "$disk1" mnt/1/abc
     49 
     50 	check mnt/1/abc mnt/2/abc "$disk1"
     51 
     52 	"${FS_BIND_ROOT}/bin/makedir" share tmp1
     53 	mount --bind tmp1 tmp2
     54 
     55 	mount --move mnt tmp1/3
     56 	check tmp1/3/1/abc tmp2/3/1/abc tmp2/3/2/abc "$disk1"
     57 
     58 	break
     59 done
     60 trap 'ERR=$? ; tst_resm TWARN "bind/test23: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
     61 if [ -n "${ERR_MSG}" ]; then
     62 	tst_resm TWARN "bind/test23: ${ERR_MSG}"
     63 	ERR_MSG=""
     64 	result=$ERR
     65 fi
     66 trap '' ERR
     67 {
     68 	umount tmp1/3/1/abc
     69 	umount tmp1/3/1
     70 	umount tmp1/3/2
     71 	umount tmp1/3
     72 	umount tmp1
     73 	umount tmp1
     74 	umount tmp2
     75 
     76 	rm -rf mnt tmp1 tmp2
     77 
     78 
     79 	cleanup
     80 } >& /dev/null
     81 if [ $result -ne 0 ]
     82 then
     83 	tst_resm TFAIL "bind/test23: FAILED: bind: shared child to shared parent."
     84 	exit 1
     85 else
     86 	tst_resm TPASS "bind/test23: PASSED"
     87 	exit 0
     88 fi
     89 tst_exit
     90