tests/ts/blkdiscard/offsets

   1 #!/bin/bash
   2
   3 #
   4 # Copyright (C) 2014 Federico Simoncelli <fsimonce@redhat.com>
   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 TS_TOPDIR="${0%/*}/../.."
  19 TS_DESC="offsets"
  20
  21 . $TS_TOPDIR/functions.sh
  22 ts_init "$*"
  23
  24 ts_check_test_command "$TS_CMD_BLKDISCARD"
  25
  26 ts_skip_nonroot
  27 ts_check_losetup
  28
  29 ORIGPWD=$(pwd)
  30 IMAGE_NAME="${TS_TESTNAME}-loop.img"
  31 IMAGE_PATH="$TS_OUTDIR/$IMAGE_NAME"
  32
  33 truncate -s 10M $IMAGE_PATH
  34
  35 ts_log "create loop device from image"
  36 DEVICE=$($TS_CMD_LOSETUP --show -f $IMAGE_PATH)
  37 ts_register_loop_device "$DEVICE"
  38
  39 function run_tscmd {
  40         local ret
  41         "$@" >> $TS_OUTPUT 2>&1
  42         ret=$?
  43         echo "ret: $ret" >> "$TS_OUTPUT"
  44         return $ret
  45 }
  46
  47 ts_log "testing offsets with full block size"
  48 run_tscmd $TS_CMD_BLKDISCARD -v $DEVICE
  49 if [ "$?" != "0" ]; then
  50         # Skip the rest? For example loop backing files on NFS seem unsupported.
  51         grep -q "BLKDISCARD ioctl failed: Operation not supported" "$TS_OUTPUT" \
  52                 && ts_skip "BLKDISCARD not supported"
  53 fi
  54 run_tscmd $TS_CMD_BLKDISCARD -v -o 1 $DEVICE
  55 run_tscmd $TS_CMD_BLKDISCARD -v -o 511 $DEVICE
  56 run_tscmd $TS_CMD_BLKDISCARD -v -o 512 $DEVICE
  57 run_tscmd $TS_CMD_BLKDISCARD -v -o 1024 $DEVICE
  58
  59 ts_log "testing offsets with specific length"
  60 run_tscmd $TS_CMD_BLKDISCARD -v -l 5242880 $DEVICE
  61 run_tscmd $TS_CMD_BLKDISCARD -v -l 5242881 $DEVICE
  62 run_tscmd $TS_CMD_BLKDISCARD -v -l 5243391 $DEVICE
  63 run_tscmd $TS_CMD_BLKDISCARD -v -o 1 -l 5242880 $DEVICE
  64 run_tscmd $TS_CMD_BLKDISCARD -v -o 511 -l 5242880 $DEVICE
  65 run_tscmd $TS_CMD_BLKDISCARD -v -o 512 -l 5242880 $DEVICE
  66 run_tscmd $TS_CMD_BLKDISCARD -v -o 1024 -l 5242880 $DEVICE
  67
  68 ts_log "testing aligned steps full device"
  69 run_tscmd $TS_CMD_BLKDISCARD -v -p 5242880 $DEVICE
  70 run_tscmd $TS_CMD_BLKDISCARD -v -p 1310720 $DEVICE
  71
  72 ts_log "testing aligned steps with offsets and length"
  73 run_tscmd $TS_CMD_BLKDISCARD -v -p 512 -l 1024 $DEVICE
  74 run_tscmd $TS_CMD_BLKDISCARD -v -p 512 -o 1 -l 1024 $DEVICE
  75 run_tscmd $TS_CMD_BLKDISCARD -v -p 512 -o 1 -l 1536 $DEVICE
  76 run_tscmd $TS_CMD_BLKDISCARD -v -p 512 -o 511 -l 1536 $DEVICE
  77 run_tscmd $TS_CMD_BLKDISCARD -v -p 512 -o 512 -l 1536 $DEVICE
  78 run_tscmd $TS_CMD_BLKDISCARD -v -p 512 -o 1024 -l 1024 $DEVICE
  79
  80 ts_log "testing misaligned steps full device"
  81 run_tscmd $TS_CMD_BLKDISCARD -v -p 1 $DEVICE
  82 run_tscmd $TS_CMD_BLKDISCARD -v -p 256 $DEVICE
  83 run_tscmd $TS_CMD_BLKDISCARD -v -p 511 $DEVICE
  84 run_tscmd $TS_CMD_BLKDISCARD -v -p 513 $DEVICE
  85 run_tscmd $TS_CMD_BLKDISCARD -v -p 768 $DEVICE
  86
  87 ts_log "testing misaligned steps with offsets and length"
  88 run_tscmd $TS_CMD_BLKDISCARD -v -p 511 -l 1024 $DEVICE
  89 run_tscmd $TS_CMD_BLKDISCARD -v -p 511 -o 1 -l 1536 $DEVICE
  90 run_tscmd $TS_CMD_BLKDISCARD -v -p 511 -o 511 -l 1536 $DEVICE
  91 run_tscmd $TS_CMD_BLKDISCARD -v -p 511 -l 10240 $DEVICE
  92 run_tscmd $TS_CMD_BLKDISCARD -v -p 511 -o 1 -l 10240 $DEVICE
  93 run_tscmd $TS_CMD_BLKDISCARD -v -p 511 -o 511 -l 10240 $DEVICE
  94
  95 sed -i "s#$DEVICE:\s##" $TS_OUTPUT
  96
  97 ts_log "detach loop device from image"
  98
  99 ts_cd "$ORIGPWD"
 100
 101 ts_finalize