tests/ts/libmount/loop

   1 #!/bin/bash
   2
   3 #
   4 # Copyright (C) 2016 Stanislav Brabec <sbrabec@suse.cz>
   5 #
   6 # This file is part of util-linux.
   7 #
   8 # This file is free software; you can redistribute it and/or modify
   9 # it under the terms of the GNU General Public License as published by
  10 # the Free Software Foundation; either version 2 of the License, or
  11 # (at your option) any later version.
  12 #
  13 # This file is distributed in the hope that it will be useful,
  14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 # GNU General Public License for more details.
  17 #
  18
  19 TS_TOPDIR="${0%/*}/../.."
  20 TS_DESC="losetup-loop"
  21
  22 . $TS_TOPDIR/functions.sh
  23 ts_init "$*"
  24
  25 ts_check_test_command "$TS_CMD_MOUNT"
  26 ts_check_test_command "$TS_CMD_FINDMNT"
  27 ts_check_test_command "$TS_CMD_LOSETUP"
  28
  29 ts_skip_nonroot
  30 ts_check_losetup
  31 ts_check_prog "mkfs.ext3"
  32
  33 function verify_mount_dev {
  34         local dev=$1
  35         local mp=$2
  36         local dev_mounted=$($TS_CMD_FINDMNT -no SOURCE --mountpoint "$mp")
  37
  38         if test "$dev" != "$dev_mounted" ; then
  39                 echo "Mounted incorrect device: have '$dev_mounted', want '$dev'" >&2
  40                 return 1
  41         fi
  42 }
  43
  44 #
  45 # file-* tests: Backing file is a regular file
  46 #
  47 BACKFILE=$(ts_image_init 10)
  48
  49 mkfs.ext3 -F $BACKFILE &> /dev/null || ts_die "Cannot make ext3 on $BACKFILE"
  50
  51 # All tests are separated by "udevadm settle" because loop device exists some time after
  52 # "losetup -d". This device confuses some tests. And find-race-condition, tests,
  53 # whether re-use of this device works.
  54 udevadm settle
  55
  56 ts_init_subtest "file"
  57 [ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT
  58 $TS_CMD_MOUNT "$BACKFILE" "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
  59 $TS_CMD_UMOUNT "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
  60 udevadm settle
  61 ts_log "Success"
  62 ts_finalize_subtest
  63
  64 ts_init_subtest "file-o-loop"
  65 [ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT
  66 $TS_CMD_MOUNT -oloop "$BACKFILE" "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
  67 $TS_CMD_UMOUNT "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
  68 udevadm settle
  69 ts_log "Success"
  70 ts_finalize_subtest
  71
  72 ts_init_subtest "dev-loop"
  73 [ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT
  74 LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show $BACKFILE 2>> $TS_OUTPUT )
  75 $TS_CMD_MOUNT $LODEV "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
  76 verify_mount_dev "$LODEV" "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
  77 $TS_CMD_UMOUNT "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
  78 $TS_CMD_LOSETUP --detach $LODEV >> $TS_OUTPUT 2>&1
  79 udevadm settle
  80 ts_log "Success"
  81 ts_finalize_subtest
  82
  83 ts_init_subtest "o-loop-val"
  84 if [ "$TS_PARALLEL" = "yes" ]; then
  85         # There is a race in $LODEV is usage
  86         ts_skip_subtest "no-reentrant"
  87 else
  88         [ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT
  89         LODEV=$( $TS_CMD_LOSETUP --find 2>> $TS_OUTPUT )
  90         $TS_CMD_MOUNT -oloop=$LODEV "$BACKFILE" "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
  91         verify_mount_dev "$LODEV" "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
  92         $TS_CMD_UMOUNT "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
  93         udevadm settle
  94         ts_log "Success"
  95         ts_finalize_subtest
  96 fi
  97
  98 ts_init_subtest "reuse"
  99 [ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT
 100 LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show "$BACKFILE" 2>> $TS_OUTPUT )
 101 $TS_CMD_MOUNT "$BACKFILE" "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
 102 verify_mount_dev "$LODEV" "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
 103 $TS_CMD_UMOUNT "$TS_MOUNTPOINT" >> $TS_OUTPUT 2>&1
 104 $TS_CMD_LOSETUP --detach $LODEV >> $TS_OUTPUT 2>&1
 105 udevadm settle
 106 ts_log "Success"
 107 ts_finalize_subtest
 108
 109 ts_init_subtest "conflict"
 110 [ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT
 111 LODEV=$( $TS_CMD_LOSETUP --find --nooverlap --show --offset=1000 "$BACKFILE" 2>> $TS_OUTPUT )
 112 $TS_CMD_MOUNT "$BACKFILE" "$TS_MOUNTPOINT" 2>&1 \
 113         | sed 's/:.*:/: <target>/; s/for .*/for <source>/' > $TS_OUTPUT
 114 $TS_CMD_LOSETUP --detach $LODEV >> $TS_OUTPUT 2>&1
 115 udevadm settle
 116 ts_log "Success"
 117 ts_finalize_subtest
 118
 119 ts_init_subtest "o-loop-val-initialized"
 120 [ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT
 121 LODEV=$( $TS_CMD_LOSETUP --show -f "$BACKFILE" 2>>$TS_OUTPUT)
 122 $TS_CMD_MOUNT -oloop=$LODEV "$BACKFILE" "$TS_MOUNTPOINT" 2>&1 \
 123        | sed 's/:.*:/: <target>/; s/for .*/for <source>/' > $TS_OUTPUT
 124 $TS_CMD_LOSETUP --detach $LODEV >> $TS_OUTPUT 2>&1
 125 udevadm settle
 126 ts_log "Success"
 127 ts_finalize_subtest
 128
 129 ts_init_subtest "o-loop-val-conflict"
 130 [ -d "$TS_MOUNTPOINT" ] || mkdir -p $TS_MOUNTPOINT
 131 cp "$BACKFILE" "$BACKFILE"-2
 132 LODEV=$( $TS_CMD_LOSETUP --show -f "$BACKFILE"-2 2>> $TS_OUTPUT)
 133 $TS_CMD_MOUNT -oloop=$LODEV "$BACKFILE" "$TS_MOUNTPOINT" 2>&1 \
 134         | sed 's/:.*:/: <target>/; s/for .*/for <source>/' > $TS_OUTPUT
 135 $TS_CMD_LOSETUP --detach $LODEV >> $TS_OUTPUT 2>&1
 136 rm "$BACKFILE"-2
 137 udevadm settle
 138 ts_log "Success"
 139 ts_finalize_subtest
 140
 141 ts_log "Success"
 142 ts_finalize