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[SCSI] iscsi: lower queue depth

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From Wang Zhenyu:

High queue depth was a problem for some targets so make queue_depth adjustable

From Mike Christie

Make default queue_depth a little lower

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: Alex Aizman <itn780@yahoo.com>
Signed-off-by: Dmitry Yusupov <dmitry_yus@yahoo.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Mike Christie
2005-11-29 23:12:59 -06:00
committed by James Bottomley
parent f6cfba1d21
commit 9e3961ba2b
2 changed files with 17 additions and 6 deletions
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3
drivers/scsi/iscsi_tcp.h
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@ -71,7 +71,8 @@
#define ISCSI_MGMT_CMDS_MAX 32 /* must be power of 2 */
#define ISCSI_MGMT_ITT_OFFSET 0xa00
#define ISCSI_SG_TABLESIZE SG_ALL
#define ISCSI_CMD_PER_LUN 128
#define ISCSI_DEF_CMD_PER_LUN 32
#define ISCSI_MAX_CMD_PER_LUN 128
#define ISCSI_TCP_MAX_CMD_LEN 16
#define ITT_MASK (0xfff)