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Commit 091e6dbe authored by Pete Wyckoff's avatar Pete Wyckoff Committed by James Bottomley
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[SCSI] iscsi tcp: bidi capable 



Mark iscsi_tcp as being capable of bidirectional transfers.  The
bsg interface checks this bit before attempting any bidirectional
commands.

Signed-off-by: default avatarPete Wyckoff <pw@padd.com>
Signed-off-by: default avatarBoaz Harrosh <bharrosh@panasas.com>
Signed-off-by: default avatarMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent f474a37b

drivers/scsi/iscsi_tcp.c

+7 −0
Original line number Diff line number Diff line
@@ -813,6 +813,12 @@ static void iscsi_sw_tcp_session_destroy(struct iscsi_cls_session *cls_session) 
	iscsi_host_free(shost);

}



static int iscsi_sw_tcp_slave_alloc(struct scsi_device *sdev)

{

	set_bit(QUEUE_FLAG_BIDI, &sdev->request_queue->queue_flags);

	return 0;

}



static int iscsi_sw_tcp_slave_configure(struct scsi_device *sdev)

{

	blk_queue_bounce_limit(sdev->request_queue, BLK_BOUNCE_ANY);
@@ -833,6 +839,7 @@ static struct scsi_host_template iscsi_sw_tcp_sht = { 
	.eh_device_reset_handler= iscsi_eh_device_reset,

	.eh_target_reset_handler= iscsi_eh_target_reset,

	.use_clustering         = DISABLE_CLUSTERING,

	.slave_alloc            = iscsi_sw_tcp_slave_alloc,

	.slave_configure        = iscsi_sw_tcp_slave_configure,

	.proc_name		= "iscsi_tcp",

	.this_id		= -1,