From 2c38d40ec87895eced61e903c50a4646b18e3912 Mon Sep 17 00:00:00 2001
From: Lars Wirzenius <liw@liw.fi>
Date: Tue, 22 Sep 2020 09:26:18 +0300
Subject: add script to zero device, mkfs it, mount it, and run create-files

---
 create-fs | 46 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 46 insertions(+)
 create mode 100755 create-fs

(limited to 'create-fs')

diff --git a/create-fs b/create-fs
new file mode 100755
index 0000000..fe8ecfc
--- /dev/null
+++ b/create-fs
@@ -0,0 +1,46 @@
+#!/bin/bash
+
+set -eu -o pipefail
+
+dev="$1"
+dir="$2"
+fstype="$3"
+n="$4"
+
+echo
+echo "unmount $dev"
+sudo umount  "$dev" || true
+
+echo
+echo "zero $dev"
+sudo dd if=/dev/zero of="$dev" bs=1M status=progress || true
+
+echo
+echo "mkfs $dev"
+case "$fstype" in
+    ext4)
+	sudo mke2fs -i 1024 -N 2000000000 -F "$dev" ;;
+    btrfs)
+	sudo mkfs.btrfs "$dev" ;;
+    *)
+	echo "unknown fs type $fstype" 1>&2 ; exit 1 ;;
+esac
+
+echo
+echo "mount $dev on $dir"
+sudo mount "$dev" "$dir"
+
+echo
+echo "create $dir/files"
+sudo install -d -o "$(id -un)" -g "$(id -gn)" "$dir/files"
+
+echo
+echo "create $n files"
+./create-files "$dir/files" "$n"
+
+echo
+echo "unmount $dev"
+sudo umount "$dev"
+
+echo
+echo "done"
-- 
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