linux-ext4 - [RFC PATCH v2/SETUP SCRIPT]

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Date:   Sun,  9 Aug 2020 22:02:09 -0300
From:   Mauricio Faria de Oliveira <mfo@...onical.com>
To:     Jan Kara <jack@...e.cz>
Cc:     linux-ext4@...r.kernel.org,
        dann frazier <dann.frazier@...onical.com>,
        Mauricio Faria de Oliveira <mauricio.foliveira@...il.com>,
        Jan Kara <jack@...e.com>
Subject: [RFC PATCH v2/SETUP SCRIPT]

#!/bin/sh
set -ex

IMG=$HOME/ext4.img
MNT=/ext4

if [ "$1" != 'mount' ]; then
	rm -f $IMG
	truncate --size 128M $IMG
fi

DEV=$(sudo losetup --find --show $IMG)

if [ "$1" != 'mount' ]; then
	sudo mkfs.ext4 $DEV
	sudo tune2fs -f -o journal_data $DEV
fi

sudo mkdir -p $MNT
sudo mount -o data=journal $DEV $MNT
sudo chown -R ubuntu:ubuntu $MNT