* hurd/translator/ext2fs.mdwn: explain how to create a custom
filesystem. I had to run 'sudo chown joshua .' to create files.
Shouldn't we be able to create files without being root? What am I
doing wrong?
---
hurd/translator/ext2fs.mdwn | 24 ++++++++++++++++++++++++
1 file changed, 24 insertions(+)
diff --git a/hurd/translator/ext2fs.mdwn b/hurd/translator/ext2fs.mdwn
index 957b9c13..5e045e51 100644
--- a/hurd/translator/ext2fs.mdwn
+++ b/hurd/translator/ext2fs.mdwn
@@ -32,6 +32,30 @@ Extend ext2fs to support 64bit time.
[[!inline pagenames=faq/2_gib_partition_limit raw=yes feeds=no]]
+## Create your own custom ext2fs
+
+ $ dd if=/dev/zero of=silly.fs bs=1024k count=8
+ $ /sbin/mkfs.ext2 silly.fs
+ $ settrans -c silly /hurd/ext2fs `pwd`/silly.fs
+ $ ps -e | grep silly # ext2fs has not started
+ $ ls silly
+ $ ps -e | grep silly | awk '{ print $6 " " $7 }'
+ /hurd/ext2fs /home/joshua/silly.fs
+ $ cd silly
+ $ sudo chown joshua . # you shouldn't have to run that
+ # but I had to run it if I wanted to write files.
+ $ echo 'hello' > hello.txt
+ $ mkdir silly-dir
+ $ cd ..
+ $ fsysopts silly
+ /hurd/ext2fs --writable --relatime --no-inherit-dir-group
/home/joshua/silly.fs
+ $ fsysopts silly --readonly # stop writes to the filesystem
+ $ fsysopts silly --writable # let writes again
+
+Try to make the filesystem read-only with fsysopts. Note how further
+write attempts fail now. Try to kill the active translator with
+settrans -g.
+
### Ognyan's Work to allow ext2 to surpass the 2 GiB limit
* Ognyan Kulev, [[*Supporting Large ext2 File Systems in the
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2.45.1
