florian.haas at linbit
Jun 17, 2009, 8:15 AM
Views: 211
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[PATCH] iSCSITarget, iSCSILogicalUnit: improve removal of existing connections
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# HG changeset patch
# User Florian Haas <florian.haas[at]linbit.com>
# Date 1245251647 -7200
# Node ID a17257906b6c5a49c72860fc2c02b4bb9c40f98a
# Parent d30d51a443ea4814b8ec793af8d445dd4abacdc1
iSCSITarget, iSCSILogicalUnit: improve removal of existing connections
Simplify the sed expression a bit.
Also, remove the ugly "while read line" loop (and one pipe).
diff -r d30d51a443ea -r a17257906b6c resources/OCF/iSCSITarget
--- a/resources/OCF/iSCSITarget Wed Jun 17 16:15:48 2009 +0200
+++ b/resources/OCF/iSCSITarget Wed Jun 17 17:14:07 2009 +0200
@@ -193,19 +193,18 @@
# Close existing connections. There is no other way to
# do this in IET than to parse the contents of
# /proc/net/iet/session.
- local line
- sed -ne '/^tid:'${OCF_RESKEY_tid}' /,/^tid/ {
+ set -- $(sed -ne '/^tid:'${OCF_RESKEY_tid}' /,/^tid/ {
/^[[:space:]]*sid:\([0-9]\+\)/ {
s/^[[:space:]]*sid:\([0-9]*\).*/--sid=\1/; h;
};
/^[[:space:]]*cid:\([0-9]\+\)/ {
- s/^[[:space:]]*cid:\([0-9]*\).*/--cid=\1/; G; s/\n/ /;p;
+ s/^[[:space:]]*cid:\([0-9]*\).*/--cid=\1/; G; p;
};
- }' < /proc/net/iet/session \
- | while read line; do
- # $line looks like "--sid=X --cid=Y"
- do_cmd ietadm --op delete \
- --tid ${OCF_RESKEY_tid} $line
+ }' < /proc/net/iet/session)
+ while [[ -n $2 ]]; do
+ # $2 $1 looks like "--sid=X --cid=Y"
+ do_cmd ietadm --op delete \
+ --tid=${OCF_RESKEY_tid} $2 $1
done
do_cmd ietadm --op delete \
--tid=${OCF_RESKEY_tid} && return $OCF_SUCCESS
@@ -214,24 +213,24 @@
# Close existing connections. There is no other way to
# do this in tgt than to parse the output of "tgtadm --op
# show".
- local line
- tgtadm --lld iscsi --op show --mode target \
+ set -- $(tgtadm --lld iscsi --op show --mode target \
| sed -ne '/^Target '${OCF_RESKEY_tid}':/,/^Target/ {
/^[[:space:]]*I_T nexus: \([0-9]\+\)/ {
s/^.*: \([0-9]*\).*/--sid=\1/; h;
};
/^[[:space:]]*Connection: \([0-9]\+\)/ {
- s/^.*: \([0-9]*\).*/--cid=\1/; G; s/\n/ /;p;
+ s/^.*: \([0-9]*\).*/--cid=\1/; G; p;
};
/^[[:space:]]*LUN information:/ q;
- }' \
- | while read line; do
- # $line looks like "--sid=X --cid=Y"
- do_cmd tgtadm --lld iscsi --op delete --mode connection \
- --tid ${OCF_RESKEY_tid} $line
+ }')
+ while [[ -n $2 ]]; do
+ # $2 $1 looks like "--sid=X --cid=Y"
+ do_cmd tgtadm --lld iscsi --op delete --mode connection \
+ --tid=${OCF_RESKEY_tid} $2 $1
+ shift 2
done
do_cmd tgtadm --lld iscsi --op delete --mode target \
- --tid ${OCF_RESKEY_tid} && return $OCF_SUCCESS
+ --tid=${OCF_RESKEY_tid} && return $OCF_SUCCESS
;;
esac
else
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[PATCH] iSCSITarget, iSCSILogicalUnit: improve removal of existing connections