ext2 cdrom; 2.20-pre2 : mount -o loop /dev/sr0 /mnt/cdrom

PJ (pjordan-kernel@blackwire.com)
Sat, 2 Jan 1999 16:46:29 -0700


WEll I finally found a way to make my ext2 cdroms mount under the development
kernels.

noname-root:~#mount -t ext2 /dev/sr0 /mnt/cdrom
mount: block device /dev/sr0 is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/sr0,
or too many mounted file systems

noname-root:~#mount -o loop /dev/sr0 /mnt/cdrom
noname-root:~#mount
/dev/sda2 on / type ext2 (rw)
/dev/hda1 on /mnt/hda1 type ext2 (rw)
none on /proc type proc (rw)
/dev/sr0 on /mnt/cdrom type ext2 (ro,loop=/dev/loop0)

noname-root:~#df
Filesystem 1024-blocks Used Available Capacity Mounted on
/dev/sda2 707556 621650 49359 93% /
/dev/hda1 2028098 714591 1208685 37% /mnt/hda1
/dev/sr0 529445 529347 98 100% /mnt/cdrom

This is very strange and I don't understand it.

An strace of mount -t ext2 /dev/sr0 /mnt/cdrom shows:

mount("/dev/cdrom", "/mnt/cdrom", "ext2", MS_RDONLY|0xc0ed0000, 0x8051fb0) = -1
EINVAL (Invalid argument)

Why should I have to use the loopback device ?

WWWWEEEEIIIRRRRDDDD !

Please cc replies to pjordan@blackwire.com.

Now If I could only figure out why "ls ~/Maildir/linux-kernel/new/"
takes over 4 miutes of cpu time and kicks the load average over 1
using 91% of the CPU before I impatiently kill it, yet
"echo *" in the same dir starts to puke stuff immediately I would
then go on to figuring out a way to read this maildir as if it were
a newsgroup.

:)

Peter

-- 
pjordan at blackwire.com	436-0829		Black Wire Media
"The meaning of a value is determined by how it is used" : Ousterhout 

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