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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=test19} ${TST_COUNT=1} ${TST_TOTAL=1}"
     23 declare -r TCID
     24 declare -r TST_COUNT
     25 declare -r TST_TOTAL
     26 export TCID TST_COUNT TST_TOTAL
     27 
     28 tst_resm TINFO "***************TEST19***************"
     29 tst_resm TINFO "bind: shared subtree with shared child to slave subtree."
     30 tst_resm TINFO "************************************"
     31 
     32 . "${FS_BIND_ROOT}/bin/setup" || (tst_resm TWARN "Setup of bind/test19 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 ${ERR})"; break' ERR
     38 
     39 while /bin/true ; do
     40 	# This loop is for error recovery purposes only
     41 
     42 
     43 	####### SETUP ######
     44 
     45 
     46 
     47 	"${FS_BIND_ROOT}/bin/makedir" share parent1
     48 	"${FS_BIND_ROOT}/bin/makedir" share parent2
     49 	"${FS_BIND_ROOT}/bin/makedir" share share1
     50 	"${FS_BIND_ROOT}/bin/makedir" share share2
     51 
     52 	mount --bind "$disk1" share1
     53 	mount --bind share1 parent1
     54 	mount --bind share2 parent2
     55 	"${FS_BIND_ROOT}/bin/makedir" slave parent2
     56 
     57 	###### BODY ######
     58 	mount --bind parent1 parent2
     59 	"${FS_BIND_ROOT}/bin/makedir" share parent1/child1
     60 
     61 	##### VERIFICATION ######
     62 	check parent1 share1 parent2
     63 	mount --bind "$disk2" parent1/child1
     64 	check parent1/child1 parent2/child1
     65 	check parent1/child1 share1/child1
     66 	mount --bind "$disk3" parent2/a
     67 
     68 	check parent1/a parent2/a share1/a
     69 
     70 	mount --bind "$disk4" share1/b
     71 
     72 	check parent1/b parent2/b share1/b
     73 
     74 	##### CLEANUP ######
     75 	break
     76 done
     77 trap 'ERR=$? ; tst_resm TWARN "bind/test19: caught error near: ${BASH_SOURCE[0]}:${FUNCNAME[0]}:${LINENO}:$_ (returned ${ERR})"' ERR
     78 if [ -n "${ERR_MSG}" ]; then
     79 	tst_resm TWARN "bind/test19: ${ERR_MSG}"
     80 	ERR_MSG=""
     81 	result=$ERR
     82 fi
     83 trap '' ERR
     84 {
     85 	umount share1/b
     86 	umount parent2/a
     87 	umount parent1/child1
     88 	umount parent1/child1
     89 	umount parent2
     90 	umount parent2
     91 	umount parent1
     92 	umount share1
     93 	umount parent2
     94 	umount parent1
     95 	umount share1
     96 	umount share2
     97 
     98 	rm -rf parent* share*
     99 	cleanup
    100 } >& /dev/null
    101 if [ $result -ne 0 ]
    102 then
    103 	tst_resm TFAIL "bind/test19: FAILED: bind: shared subtree with shared child to slave subtree."
    104 	exit 1
    105 else
    106 	tst_resm TPASS "bind/test19: PASSED"
    107 	exit 0
    108 fi
    109 tst_exit
    110