Dear Arturas,
Please see the entire sbull_load script below
Regards,
Mukund Jampala
-------------------------- sbull_load script
-------------------------------
#!/bin/sh
function make_minors {
let part=1
while (($part < $minors)); do
let minor=$part+$2
mknod $1$part b $major $minor
let part=$part+1
done
}
# FIXME: This isn't handling minors (partitions) at all.
module="sbull"
device="sbull"
mode="664"
chardevice="sbullr"
minors=16
# Group: since distributions do it differently, look for wheel or use
staff
if grep '^staff:' /etc/group > /dev/null; then
group="staff"
else
group="wheel"
fi
# invoke insmod with all arguments we got
# and use a pathname, as newer modutils don't look in . by default
/sbin/insmod -f ./$module.ko $* || exit 1
major=`cat /proc/devices | awk "\\$2==\"$module\" {print \\$1}"`
# Remove stale nodes and replace them, then give gid and perms
rm -f /dev/${device}[a-d]* /dev/${device}
mknod /dev/${device}a b $major 0
make_minors /dev/${device}a 0
mknod /dev/${device}b b $major 16
make_minors /dev/${device}b 16
mknod /dev/${device}c b $major 32
make_minors /dev/${device}c 32
mknod /dev/${device}d b $major 48
make_minors /dev/${device}d 48
ln -sf ${device}a /dev/${device}
chgrp $group /dev/${device}[a-d]*
chmod $mode /dev/${device}[a-d]*
------------------------- sbull_load script ENDS
--------------------------
-----
>> Dear all,
>>
>> I am right now working on understaning the 2.6 kernel BLOCK sbull
>> drivers implementation provided in the Linux book 3rd Edition book.
>>
>> I am OK with the block driver aspects. But, I am NOT able to run
>> sbull_load scruipt to create the device NODES.
>> when I tried running the script, i failed saying
>>
>> # sh sbull_load
>> : command not found
>> ' bull_load: line 4: syntax error near unexpected token '{
>> ' bull_load: line 4: '{
>
>Send part of the "script" so, we could analyse it...
>
>Arturas M.
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