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      1 #!/bin/bash
      2 #
      3 # Copyright (c) International Business Machines  Corp., 2005
      4 # Author: Avantika Mathur (mathurav (at] us.ibm.com)
      5 #
      6 # This library is free software; you can redistribute it and/or
      7 # modify it under the terms of the GNU Lesser General Public
      8 # License as published by the Free Software Foundation; either
      9 # version 2.1 of the License, or (at your option) any later version.
     10 #
     11 # This library is distributed in the hope that it will be useful,
     12 # but WITHOUT ANY WARRANTY; without even the implied warranty of
     13 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
     14 # Lesser General Public License for more details.
     15 #
     16 # You should have received a copy of the GNU Lesser General Public
     17 # License along with this library; if not, write to the Free Software
     18 # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
     19 #
     20 
     21 SETS_DEFAULTS="${TCID=test38} ${TST_COUNT=1} ${TST_TOTAL=1}"
     22 declare -r TCID
     23 declare -r TST_COUNT
     24 declare -r TST_TOTAL
     25 export TCID TST_COUNT TST_TOTAL
     26 
     27 tst_resm TINFO "***************TEST38***************"
     28 tst_resm TINFO "rbind: private to private - with slave children."
     29 tst_resm TINFO "************************************"
     30 
     31 . "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of rbind/test38 failed" && tst_exit)
     32 export result=0
     33 
     34 
     35 
     36 trap 'ERR=$? ; ERR_MSG="caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"; break' ERR
     37 
     38 while /bin/true ; do
     39 	# This loop is for error recovery purposes only
     40 
     41 
     42 	mkdir parent1 parent2 parent1/child1 parent2/child2
     43 	"${FS_BIND_ROOT}/bin/makedir" share share1
     44 	"${FS_BIND_ROOT}/bin/makedir" share share2
     45 	mount --rbind share1 parent1/child1
     46 	mount --rbind share2 parent2/child2
     47 	"${FS_BIND_ROOT}/bin/makedir" slave parent1/child1
     48 	"${FS_BIND_ROOT}/bin/makedir" slave parent2/child2
     49 
     50 	mount --bind "$disk1" share1
     51 
     52 	mount --rbind parent1 parent2
     53 
     54 	check parent1 parent2
     55 	check parent1/child1 parent2/child1
     56 
     57 	mount --bind "$disk2" share1/a
     58 	check parent1/child1/a parent2/child1/a share1/a
     59 
     60 	mount --bind "$disk3" parent1/child1/b
     61 	check -n parent1/child1/b share1/b
     62 
     63 	mount --bind "$disk4" parent2/child1/c
     64 	check -n parent2/child1/c share1/c
     65 
     66 
     67 	break
     68 done
     69 trap 'ERR=$? ; tst_resm TWARN "rbind/test38: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
     70 if [ -n "${ERR_MSG}" ]; then
     71 	tst_resm TWARN "rbind/test38: ${ERR_MSG}"
     72 	ERR_MSG=""
     73 	result=$ERR
     74 fi
     75 trap '' ERR
     76 {
     77 	umount share1/a
     78 	umount parent1/child1/b
     79 	umount parent2/child1/c
     80 	umount parent1/child1
     81 	umount parent1/child1
     82 	umount parent2/child1
     83 	umount parent2/child1
     84 	umount parent2
     85 	umount share1
     86 	umount share1
     87 	umount share2
     88 	umount parent2/child2
     89 
     90 	rm -rf parent* share*
     91 	cleanup
     92 } >& /dev/null
     93 if [ $result -ne 0 ]
     94 then
     95 	tst_resm TFAIL "rbind/test38: FAILED: rbind: private to private - with slave children."
     96 	exit 1
     97 else
     98 	tst_resm TPASS "rbind/test38: PASSED"
     99 	exit 0
    100 fi
    101 tst_exit
    102