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# Probe Ext2, Ext3 and Ext4 file systems
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# Copyright (C) 2008-2012 Free Software Foundation, Inc.
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 3 of the License, or
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# (at your option) any later version.
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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# You should have received a copy of the GNU General Public License
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# along with this program. If not, see <http://www.gnu.org/licenses/>.
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. "${srcdir=.}/init.sh"; path_prepend_ ../parted
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require_512_byte_sector_size_
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for type in ext2 ext3 ext4 nilfs2; do
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( mkfs.$type -V ) >/dev/null 2>&1 \
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|| { warn_ "$ME: no $type support"; continue; }
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case $type in ext*) n_sectors=8000 force=-F;;
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*) n_sectors=$((257*1024)) force=;; esac
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# create an $type file system
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dd if=/dev/zero of=$dev bs=$ss count=$n_sectors >/dev/null || fail=1
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mkfs.$type $force $dev || { warn_ $ME: mkfs.$type failed; fail=1; continue; }
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# probe the $type file system
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parted -m -s $dev u s print >out 2>&1 || fail=1
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grep '^1:.*:'$type'::;$' out || { cat out; fail=1; }
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# Some features should indicate ext4 by themselves.
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for feature in uninit_bg flex_bg; do
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# create an ext3 file system
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dd if=/dev/zero of=$dev bs=1024 count=4096 >/dev/null || fail=1
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mkfs.ext3 -F $dev >/dev/null || skip_ "mkfs.ext3 failed"
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tune2fs -O $feature $dev || skip_ "tune2fs failed"
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# probe the file system, which should now be ext4
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parted -m -s $dev u s print >out 2>&1 || fail=1
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grep '^1:.*:ext4::;$' out || fail=1
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removed
tests/t1700-probe-fs.sh
