treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / Documentation / admin-guide / aoe / status.sh
blobeeec7baae57a8f3db9a0da1583c0e3c8e0e8408d
1 #! /bin/sh
2 # collate and present sysfs information about AoE storage
4 # A more complete version of this script is aoe-stat, in the
5 # aoetools.
7 set -e
8 format="%8s\t%8s\t%8s\n"
9 me=`basename $0`
10 sysd=${sysfs_dir:-/sys}
12 # printf "$format" device mac netif state
14 # Suse 9.1 Pro doesn't put /sys in /etc/mtab
15 #test -z "`mount | grep sysfs`" && {
16 test ! -d "$sysd/block" && {
17 echo "$me Error: sysfs is not mounted" 1>&2
18 exit 1
21 for d in `ls -d $sysd/block/etherd* 2>/dev/null | grep -v p` end; do
22 # maybe ls comes up empty, so we use "end"
23 test $d = end && continue
25 dev=`echo "$d" | sed 's/.*!//'`
26 printf "$format" \
27 "$dev" \
28 "`cat \"$d/netif\"`" \
29 "`cat \"$d/state\"`"
30 done | sort