From: "Nicholas A. Bellinger" <nab@linux-iscsi.org>
To: linux-scsi <linux-scsi@vger.kernel.org>,
linux-kernel <linux-kernel@vger.kernel.org>,
Boaz Harrosh <bharrosh@panasas.com>
Cc: James Bottomley <James.Bottomley@suse.de>,
Douglas Gilbert <dgilbert@interlog.com>,
FUJITA Tomonori <fujita.tomonori@lab.ntt.co.jp>,
Mike Christie <michaelc@cs.wisc.edu>,
Hannes Reinecke <hare@suse.de>,
Nicholas Bellinger <nab@linux-iscsi.org>
Subject: [PATCH 3/3] tcm: Add XDWRITEREAD_10 passthrough support
Date: Tue, 21 Sep 2010 23:09:01 -0700 [thread overview]
Message-ID: <1285135741-8371-1-git-send-email-nab@linux-iscsi.org> (raw)
From: Nicholas Bellinger <nab@linux-iscsi.org>
This patch adds the simple check for TCM/pSCSI usage with XDWRITE_READ10
to follow commit ba3d8e3f13 and perform the BIDI-COMMAND passthrough.
Signed-off-by: Nicholas A. Bellinger <nab@linux-iscsi.org>
---
drivers/target/target_core_transport.c | 7 +++++++
1 files changed, 7 insertions(+), 0 deletions(-)
diff --git a/drivers/target/target_core_transport.c b/drivers/target/target_core_transport.c
index e514ffc..6976f93 100644
--- a/drivers/target/target_core_transport.c
+++ b/drivers/target/target_core_transport.c
@@ -5566,6 +5566,13 @@ static int transport_generic_cmd_sequencer(
transport_get_maps(cmd);
cmd->transport_split_cdb = &split_cdb_XX_10;
cmd->transport_get_lba = &transport_lba_32;
+ passthrough = (TRANSPORT(dev)->transport_type ==
+ TRANSPORT_PLUGIN_PHBA_PDEV);
+ /*
+ * Skip the remaining assignments for TCM/PSCSI passthrough
+ */
+ if (passthrough)
+ break;
/*
* Setup BIDI XOR callback to be run during transport_generic_complete_ok()
*/
--
1.5.6.5
reply other threads:[~2010-09-22 6:09 UTC|newest]
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