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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=test24} ${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/test24 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 ${ERR})"; break' ERR
     38 
     39 while /bin/true ; do
     40 	# This loop is for error recovery purposes only
     41 
     42 
     43 	"${FS_BIND_ROOT}/bin/makedir" share dir1
     44 	mkdir dir1/1 dir1/1/2 dir1/1/2/3 dir1/1/2/check dir2 dir3 dir4
     45 	touch dir4/ls
     46 
     47 	mount --bind dir1/1/2 dir2
     48 	"${FS_BIND_ROOT}/bin/makedir" slave dir1
     49 	"${FS_BIND_ROOT}/bin/makedir" -n share dir1
     50 
     51 	mount --bind dir1/1/2/3 dir3
     52 	"${FS_BIND_ROOT}/bin/makedir" slave dir1
     53 
     54 	mount --bind dir4 dir2/check
     55 
     56 	check dir1/1/2/check/ dir4
     57 
     58 	break
     59 done
     60 trap 'ERR=$? ; tst_resm TWARN "bind/test24: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
     61 if [ -n "${ERR_MSG}" ]; then
     62 	tst_resm TWARN "bind/test24: ${ERR_MSG}"
     63 	ERR_MSG=""
     64 	result=$ERR
     65 fi
     66 trap '' ERR
     67 {
     68 	umount dir2/check
     69 	umount dir3
     70 	umount dir2
     71 	umount dir1
     72 
     73 
     74 	rm -rf dir*
     75 
     76 
     77 	cleanup
     78 } >& /dev/null
     79 if [ $result -ne 0 ]
     80 then
     81 	tst_resm TFAIL "bind/test24: FAILED: bind: shared child to shared parent."
     82 	exit 1
     83 else
     84 	tst_resm TPASS "bind/test24: PASSED"
     85 	exit 0
     86 fi
     87 tst_exit
     88