111a82d14SPhilippe Mathieu-Daudé#!/usr/bin/env bash 26f993f3fSNir Soffer# 36f993f3fSNir Soffer# Test creating raw image preallocation mode 46f993f3fSNir Soffer# 56f993f3fSNir Soffer# Copyright (C) 2017 Nir Soffer <nirsof@gmail.com> 66f993f3fSNir Soffer# 76f993f3fSNir Soffer# This program is free software; you can redistribute it and/or modify 86f993f3fSNir Soffer# it under the terms of the GNU General Public License as published by 96f993f3fSNir Soffer# the Free Software Foundation; either version 2 of the License, or 106f993f3fSNir Soffer# (at your option) any later version. 116f993f3fSNir Soffer# 126f993f3fSNir Soffer# This program is distributed in the hope that it will be useful, 136f993f3fSNir Soffer# but WITHOUT ANY WARRANTY; without even the implied warranty of 146f993f3fSNir Soffer# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 156f993f3fSNir Soffer# GNU General Public License for more details. 166f993f3fSNir Soffer# 176f993f3fSNir Soffer# You should have received a copy of the GNU General Public License 186f993f3fSNir Soffer# along with this program. If not, see <http://www.gnu.org/licenses/>. 196f993f3fSNir Soffer# 206f993f3fSNir Soffer 216f993f3fSNir Soffer# creator 226f993f3fSNir Sofferowner=nirsof@gmail.com 236f993f3fSNir Soffer 246f993f3fSNir Sofferseq=`basename $0` 256f993f3fSNir Sofferecho "QA output created by $seq" 266f993f3fSNir Soffer 276f993f3fSNir Sofferstatus=1 # failure is the default! 286f993f3fSNir Soffer 296f993f3fSNir Soffer_cleanup() 306f993f3fSNir Soffer{ 316f993f3fSNir Soffer _cleanup_test_img 32a3bd71b5SMax Reitz rm -f "$TEST_DIR/empty" 336f993f3fSNir Soffer} 346f993f3fSNir Soffertrap "_cleanup; exit \$status" 0 1 2 3 15 356f993f3fSNir Soffer 36a3bd71b5SMax Reitz# Some file systems sometimes allocate extra blocks independently of 37a3bd71b5SMax Reitz# the file size. This function hides the resulting difference in the 38a3bd71b5SMax Reitz# stat -c '%b' output. 39a3bd71b5SMax Reitz# Parameter 1: Number of blocks an empty file occupies 40*3a20013fSNir Soffer# Parameter 2: Minimal number of blocks in an image 41*3a20013fSNir Soffer# Parameter 3: Image size in bytes 42a3bd71b5SMax Reitz_filter_blocks() 43a3bd71b5SMax Reitz{ 44a3bd71b5SMax Reitz extra_blocks=$1 45*3a20013fSNir Soffer min_blocks=$2 46*3a20013fSNir Soffer img_size=$3 47a3bd71b5SMax Reitz 48*3a20013fSNir Soffer sed -e "s/blocks=$min_blocks\\(\$\\|[^0-9]\\)/min allocation/" \ 49*3a20013fSNir Soffer -e "s/blocks=$((extra_blocks + img_size / 512))\\(\$\\|[^0-9]\\)/max allocation/" 50a3bd71b5SMax Reitz} 51a3bd71b5SMax Reitz 526f993f3fSNir Soffer# get standard environment, filters and checks 536f993f3fSNir Soffer. ./common.rc 546f993f3fSNir Soffer. ./common.filter 556f993f3fSNir Soffer 566f993f3fSNir Soffer_supported_fmt raw 576f993f3fSNir Soffer_supported_proto file 586f993f3fSNir Soffer_supported_os Linux 596f993f3fSNir Soffer 60a3bd71b5SMax Reitzsize=$((1 * 1024 * 1024)) 61a3bd71b5SMax Reitz 62a3bd71b5SMax Reitztouch "$TEST_DIR/empty" 63a3bd71b5SMax Reitzextra_blocks=$(stat -c '%b' "$TEST_DIR/empty") 646f993f3fSNir Soffer 65*3a20013fSNir Soffer# We always write the first byte; check how many blocks this filesystem 66*3a20013fSNir Soffer# allocates to match empty image alloation. 67*3a20013fSNir Sofferprintf "\0" > "$TEST_DIR/empty" 68*3a20013fSNir Soffermin_blocks=$(stat -c '%b' "$TEST_DIR/empty") 69*3a20013fSNir Soffer 706f993f3fSNir Sofferecho 716f993f3fSNir Sofferecho "== creating image with default preallocation ==" 726f993f3fSNir Soffer_make_test_img $size | _filter_imgfmt 73*3a20013fSNir Sofferstat -c "size=%s, blocks=%b" $TEST_IMG | _filter_blocks $extra_blocks $min_blocks $size 746f993f3fSNir Soffer 756f993f3fSNir Sofferfor mode in off full falloc; do 766f993f3fSNir Soffer echo 776f993f3fSNir Soffer echo "== creating image with preallocation $mode ==" 786f993f3fSNir Soffer IMGOPTS=preallocation=$mode _make_test_img $size | _filter_imgfmt 79*3a20013fSNir Soffer stat -c "size=%s, blocks=%b" $TEST_IMG | _filter_blocks $extra_blocks $min_blocks $size 806f993f3fSNir Sofferdone 816f993f3fSNir Soffer 826f993f3fSNir Soffer# success, all done 836f993f3fSNir Sofferecho "*** done" 846f993f3fSNir Sofferrm -f $seq.full 856f993f3fSNir Sofferstatus=0 86