[PATCH] aoe 8/12: document env var for specifying number
[linux-2.6] / Documentation / aoe / mkshelf.sh
1 #! /bin/sh
2
3 if test "$#" != "2"; then
4         echo "Usage: sh `basename $0` {dir} {shelfaddress}" 1>&2
5         echo "       n_partitions=16 sh `basename $0` {dir} {shelfaddress}" 1>&2
6         exit 1
7 fi
8 n_partitions=${n_partitions:-16}
9 dir=$1
10 shelf=$2
11 MAJOR=152
12
13 set -e
14
15 minor=`echo 10 \* $shelf \* $n_partitions | bc`
16 endp=`echo $n_partitions - 1 | bc`
17 for slot in `seq 0 9`; do
18         for part in `seq 0 $endp`; do
19                 name=e$shelf.$slot
20                 test "$part" != "0" && name=${name}p$part
21                 rm -f $dir/$name
22                 mknod -m 0660 $dir/$name b $MAJOR $minor
23
24                 minor=`expr $minor + 1`
25         done
26 done