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Commit 30e9ba9f authored by Boaz Harrosh's avatar Boaz Harrosh Committed by James Bottomley
Browse files

[SCSI] iscsi_tcp: Enable any size command 



Let through upto the largest command of 260 defined by the scsi standard.
iscsi core supports this already. Now that the scsi-ml supports it we can
start using large commands.

[jejb:rejections fixed up]
Signed-off-by: default avatarBoaz Harrosh <bharrosh@panasas.com>
Acked-by: default avatarMike Christie <michaelc@cs.wisc.edu>
Signed-off-by: default avatarJames Bottomley <James.Bottomley@HansenPartnership.com>
parent 8f333991

drivers/scsi/iscsi_tcp.c

+1 −1
Original line number Original line Diff line number Diff line
@@ -1864,7 +1864,7 @@ iscsi_tcp_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max, 
	shost->max_lun = iscsi_max_lun;

	shost->max_lun = iscsi_max_lun;

	shost->max_id = 0;

	shost->max_id = 0;

	shost->max_channel = 0;

	shost->max_channel = 0;

	shost->max_cmd_len = 16;

	shost->max_cmd_len = SCSI_MAX_VARLEN_CDB_SIZE;

	shost->can_queue = cmds_max;

	shost->can_queue = cmds_max;





	if (iscsi_host_add(shost, NULL))

	if (iscsi_host_add(shost, NULL))

include/scsi/iscsi_proto.h

+2 −1
Original line number Original line Diff line number Diff line
@@ -22,6 +22,7 @@ 
#define ISCSI_PROTO_H

#define ISCSI_PROTO_H





#include <linux/types.h>

#include <linux/types.h>

#include <scsi/scsi.h>





#define ISCSI_DRAFT20_VERSION	0x00

#define ISCSI_DRAFT20_VERSION	0x00
@@ -156,7 +157,7 @@ struct iscsi_ecdb_ahdr { 
	uint8_t ahstype;

	uint8_t ahstype;

	uint8_t reserved;

	uint8_t reserved;

	/* 4-byte aligned extended CDB spillover */

	/* 4-byte aligned extended CDB spillover */

	uint8_t ecdb[260 - ISCSI_CDB_SIZE];

	uint8_t ecdb[SCSI_MAX_VARLEN_CDB_SIZE - ISCSI_CDB_SIZE];

};

};





/* SCSI Response Header */

/* SCSI Response Header */