linux-ext4 - Create ext2 filesystem from a directory

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Message-ID: <20190219080333.GA2912@redhat.com>
Date:   Tue, 19 Feb 2019 08:03:33 +0000
From:   "Richard W.M. Jones" <rjones@...hat.com>
To:     linux-ext4@...r.kernel.org
Subject: Create ext2 filesystem from a directory

This might interest/disgust/shock/scare(?!) people on this list:

$ time ./nbdkit --filter=partition -U - linuxdisk . partition=1 --run 'qemu-img convert $nbd /var/tmp/ext2fs.img'

real   0m1.314s
user   0m0.424s
sys    0m0.889s

$ ls -lh /var/tmp/ext2fs.img 
-rw-r--r--. 1 rjones rjones 351M Feb 19 07:44 /var/tmp/ext2fs.img

Code here:

https://github.com/rwmjones/nbdkit/commit/6e7908c828e60f082d84d866070fe8406e6f2b04

Rich.

-- 
Richard Jones, Virtualization Group, Red Hat http://people.redhat.com/~rjones
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