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    SubjectRe: I request inclusion of reiser4 in the mainline kernel
    Thanks much for this test script, Vitaly, please give it a try and tell
    me how it goes.

    Hans

    Pavel Machek wrote:

    >Hi!
    >
    >
    >
    >>V3 is obsoleted by V4 in every way. V3 is old code that should be
    >>marked as deprecated as soon as V4 has passed mass testing. V4 is far
    >>superior in its coding style also. Having V3 in and V4 out is at this
    >>point just stupid.
    >>
    >>
    >
    >Really? Last time I checked, even V3's fsck was not too great. [In
    >fact I never could make it run stable enough to even _test_ it
    >properly].
    >
    >Do you have working fsck for V4? Until then, you should not claim that
    >users should switch. Journalling does not help you, if you have
    >unexpected kernel problem or hardware trouble, fsck _is_ mandatory.
    >
    >Can V4 survive few hours of test below?
    > Pavel
    >
    >#!/bin/bash
    >#
    ># fscktest
    >#
    ># Usage:
    ># Make sure output is logged somewhere
    ># First, run fscktest -p as root
    ># Then you can run fscktest as normal user...
    >#
    >
    >prepare() {
    > SIZE=100000
    > echo "Creating file..."
    > cat /dev/zero | head -c $[$SIZE*1024] > test
    > echo "Making filesystem..."
    > mkfs.$FS test
    > echo "Mounting..."
    > mount test -o loop /mnt || exit "Cant mount"
    > echo "Copying files..."
    > cp -a /bin /mnt
    > cp -a /usr/bin /mnt
    > cp -a /usr/src/linux /mnt
    > echo "Syncing..."
    > sync
    > echo "Unmounting..."
    > umount /mnt
    > echo "Moving..."
    > mv test fsck.okay
    > echo "All done."
    >}
    >
    >FS=ext2
    >if [ .$1 == .-p ]; then
    > prepare
    > exit
    > fi
    >RUN=0
    >while true; do
    > RUN=$[$RUN+1]
    > echo "Run #$RUN"
    > echo Preparing...
    > cat fsck.okay > fsck.damaged
    > echo Damaging...
    > dd if=/dev/urandom of=fsck.damaged count=10240 seek=7 conv=notrunc
    > cp fsck.damaged fsck.test
    > echo First check...
    > fsck.$FS -fy fsck.damaged
    > RESULT=$?
    > if [ $RESULT != 1 -a $RESULT != 2 -a $RESULT != 0 ]; then
    > echo "Fsck failed in bad way (result = $RESULT)"
    > exit
    > fi
    > echo Second check...
    > fsck.$FS -fy fsck.damaged
    > RESULT=$?
    > if [ $RESULT != 0 ]; then
    > echo "Fsck lied about its success (result = $RESULT)"
    > exit
    > fi
    > done
    >
    >
    >

    -
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