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[SCSI] libiscsi, iscsi_tcp, ib_iser: fix setting of can_queue with old tools.

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This patch fixes two bugs that are related.

1. Old tools did not set can_queue/cmds_max. This patch modifies
libiscsi so that when we add the host we catch this and set it
to the default.

2. iscsi_tcp thought that the scsi command that was passed to
the eh functions needed a iscsi_cmd_task allocated for it. It
only needed a mgmt task, and now it does not matter since it
all comes from the same pool and libiscsi handles this for the
drivers. ib_iser had copied iscsi_tcp's code and set can_queue
to its max - 1 to handle this. So this patch removes the max -1,
and just sets it to the max.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Mike Christie
2008-06-16 10:11:33 -05:00
committed by James Bottomley
parent c95fddc729
commit 8e9a20cee4
3 changed files with 6 additions and 2 deletions
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1
drivers/scsi/iscsi_tcp.c
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@@ -1865,7 +1865,6 @@ iscsi_tcp_session_create(struct iscsi_endpoint *ep, uint16_t cmds_max,
shost->max_id = 0;
shost->max_channel = 0;
shost->max_cmd_len = SCSI_MAX_VARLEN_CDB_SIZE;
shost->can_queue = cmds_max;
if (iscsi_host_add(shost, NULL))
goto free_host;