[stgt] [PATCH] add --driver option to use different lld then iscsi.

[Doron Shoham]

add --driver option to use different lld then iscsi.
if driver is not  provided the default is iscsi.

Signed-off-by: Doron Shoham <dorons at voltaire.com>
---
 scripts/tgt-admin |   19 +++++++++++--------
 1 files changed, 11 insertions(+), 8 deletions(-)

diff --git a/scripts/tgt-admin b/scripts/tgt-admin
index 634066a..ab78c95 100755
--- a/scripts/tgt-admin
+++ b/scripts/tgt-admin
@@ -31,6 +31,7 @@ This tool configures tgt targets.
 				(see "--ready help" for more info)
       --update <value>		update configuration for all or selected targets
 				(see "--update help" for more info)
+      --driver			use specific lld (default is iscsi)
   -s, --show			show all the targets
   -c, --conf <conf file>	specify an alternative configuration file
       --ignore-errors		continue even if tgtadm exits with non-zero code
@@ -60,6 +61,7 @@ my $pretend = 0;
 my $dump = 0;
 my $verbose = 0;
 my $help = 0;
+my $driver = "iscsi";
 my $result = GetOptions (
 	"e|execute"     => \$execute,
 	"delete=s"      => \$delete,
@@ -67,6 +69,7 @@ my $result = GetOptions (
 	"ready=s"       => \$ready,
 	"update=s"      => \$update,
 	"s|show"        => \$show,
+	"driver=s"      => \$driver,
 	"c|conf=s"      => \$alternate_conf,
 	"ignore-errors" => \$ignore_errors,
 	"f|force"       => \$force,
@@ -82,7 +85,7 @@ if (($help == 1) || ($param eq undef)) {
 
 # Show all the targets and exit
 if ($show == 1) {
-	execute("tgtadm --op show --mode target");
+	execute("tgtadm --lld $driver --op show --mode target");
 	exit;
 }
 
@@ -755,15 +758,15 @@ EOF
 		# Run over all targets and offline/ready them
 		my @all_targets = keys %tgtadm_output_tid;
 		foreach my $existing_target (@all_targets) {
-			execute("tgtadm --op update --mode target --tid=$tgtadm_output_tid{$existing_target} -n state -v $var");
+			execute("tgtadm --lld $driver --op update --mode target --tid=$tgtadm_output_tid{$existing_target} -n state -v $var");
 		}
 	} elsif ($off_ready =~ m/tid=(.+)/) {
 		process_targets;
-		execute("tgtadm --op update --mode target --tid=$1 -n state -v $var");
+		execute("tgtadm --lld $driver --op update --mode target --tid=$1 -n state -v $var");
 	} else {
 		process_targets;
 		if (length $tgtadm_output_tid{$off_ready}) {
-			execute("tgtadm --op update --mode target --tid=$tgtadm_output_tid{$off_ready} --name=\"$off_ready\" -n state -v $var");
+			execute("tgtadm --lld $driver --op update --mode target --tid=$tgtadm_output_tid{$off_ready} --name=\"$off_ready\" -n state -v $var");
 		} else {
 			print "There is no target with name \"$off_ready\", can't $var it!\n";
 			exit 1;
@@ -859,16 +862,16 @@ sub main_delete {
 			# Remove ACLs first
 			my @acl_info = show_target_info($current_target, "acl_information");
 			foreach my $acl (@acl_info) {
-				execute("tgtadm --op unbind --mode target --tid $tgtadm_output_tid{$current_target} -I $acl");
+				execute("tgtadm --lld $driver--op unbind --mode target --tid $tgtadm_output_tid{$current_target} -I $acl");
 			}
 			# Now, remove all sessions / connections from that tid
 			my %sessions = show_target_info($current_target, "sessions");
 			foreach my $sid (keys %sessions) {
 				foreach my $cid ($sessions{$sid}) {
-					execute("tgtadm --op delete --mode conn --tid $tgtadm_output_tid{$current_target} --sid $sid --cid $cid");
+					execute("tgtadm --lld $driver --op delete --mode conn --tid $tgtadm_output_tid{$current_target} --sid $sid --cid $cid");
 				}
 			}
-			execute("tgtadm --mode target --op delete --tid=$tgtadm_output_tid{$current_target}");
+			execute("tgtadm --lld $driver --mode target --op delete --tid=$tgtadm_output_tid{$current_target}");
 		} else {
 			if ($update ne 0) {
 				$del_upd_text = "updated";
@@ -880,7 +883,7 @@ sub main_delete {
 		}
 	} elsif (length $tgtadm_output_tid{$current_target}) {
 		execute("# Removing target: $current_target");
-		execute("tgtadm --mode target --op delete --tid=$tgtadm_output_tid{$current_target}");
+		execute("tgtadm --lld $driver --mode target --op delete --tid=$tgtadm_output_tid{$current_target}");
 	} else {
 		if (length $current_tid) {
 			execute("# Target with tid $current_tid does not exist!");
-- 
1.5.3.8

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