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[SCSI] libiscsi: make can_queue configurable

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This patch allows us to set can_queue and cmds_per_lun from userspace
when we create the session/host. From there we can set it on a per
target basis. The patch fully converts iscsi_tcp, but only hooks
up ib_iser for cmd_per_lun since it currently has a lots of preallocations
based on can_queue.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Cc: Roland Dreier <rdreier@cisco.com>
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>
This commit is contained in:
Mike Christie
2007-05-30 12:57:19 -05:00
committed by James Bottomley
parent 77a23c21aa
commit 1548271ece
9 changed files with 52 additions and 14 deletions
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4
drivers/infiniband/ulp/iser/iscsi_iser.h
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@@ -98,7 +98,7 @@
#define ISER_MAX_TX_MISC_PDUS 6 /* NOOP_OUT(2), TEXT(1), *
* SCSI_TMFUNC(2), LOGOUT(1) */
#define ISER_QP_MAX_RECV_DTOS (ISCSI_XMIT_CMDS_MAX + \
#define ISER_QP_MAX_RECV_DTOS (ISCSI_DEF_XMIT_CMDS_MAX + \
ISER_MAX_RX_MISC_PDUS + \
ISER_MAX_TX_MISC_PDUS)
@@ -110,7 +110,7 @@
#define ISER_INFLIGHT_DATAOUTS 8
#define ISER_QP_MAX_REQ_DTOS (ISCSI_XMIT_CMDS_MAX * \
#define ISER_QP_MAX_REQ_DTOS (ISCSI_DEF_XMIT_CMDS_MAX * \
(1 + ISER_INFLIGHT_DATAOUTS) + \
ISER_MAX_TX_MISC_PDUS + \
ISER_MAX_RX_MISC_PDUS)