Re: [PATCH] Allow to create a MMC LUN without backing store

[ronnie sahlberg <ronniesahlberg@xxxxxxxxx>]

Oh dear,  christmas/yule and all

ignore the old bad patches in the previous mail and use these instead
sorry for the confusion


I recently switched to a different directory for the tgtd sources  and
didnt realize i was still defaulting to the old tgtd directory with an
ancient patch.



regards
ronnie sahlberg


On Sat, Dec 24, 2011 at 5:38 PM, ronnie sahlberg
<ronniesahlberg@xxxxxxxxx> wrote:
> Tomo, List
>
> Please find attached a patch to tgtadm to allow to create a new LUN
> without a backingstore
> if the device type is MMC.
>
>
> This means that the LUN will be created, but no media is loaded, like
> a CD/DVD which does not yet have a disk inserted.
> This is useful both for scripts where you want to add media at a later
> stage, but also for Jukeboxes where you probably want the initial
> state of the system to be a reader without media mounted but lots of
> media mounted in the storage slots, to later be moved to the reader
> using the mtx command.
>
>
>
> Maybe this should also allow creation of a LUN without media for SSC too?
>
>
> regards
> ronnie sahlberg

From 33fa2ee29adfcaba5e89fcc6aecf737f4a2cfc38 Mon Sep 17 00:00:00 2001
From: Ronnie Sahlberg <ronniesahlberg@xxxxxxxxx>
Date: Sat, 24 Dec 2011 13:02:06 +1100
Subject: [PATCH] TGTADM: Allow creating CD/DVD devices that do not have a backingstore


Signed-off-by: Ronnie Sahlberg <ronniesahlberg@xxxxxxxxx>
---
 usr/tgtadm.c |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/usr/tgtadm.c b/usr/tgtadm.c
index 41e9e99..7dca0f8 100644
--- a/usr/tgtadm.c
+++ b/usr/tgtadm.c
@@ -779,7 +779,7 @@ int main(int argc, char **argv)
 					  "allowed/supported\n", rc);
 				exit(EINVAL);
 			}
-			if (!path) {
+			if (!path && dev_type != TYPE_MMC) {
 				eprintf("'backing-store' option "
 						"is necessary\n");
 				exit(EINVAL);
-- 
1.7.3.1

Attachment: 0001-TGTADM-Allow-creating-CD-DVD-devices-that-do-not-hav.patch.gz
Description: GNU Zip compressed data