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[SCSI] libiscsi,iser: patch for AHS support 

- The default initialization of hdr_max is the minimum -
    sizeof(struct iscsi_cmd) - Once this patch goes into iser the default
    initialization at libiscsi can be removed.
  - This is not yet full support for AHSs at iser end. But it should be easy.
    Just allocate more space at iser_desc right after iscsi_hdr. Than
    at transmission time use ctask->hdr_len to retrieve the total
    size of all iscsi pdu headers. See previous patch at iscsi_tcp.[ch]

Signed-off-by: Boaz Harrosh <bharrosh@panasas.com>
Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>
This commit is contained in:
Boaz Harrosh 2007-12-13 12:43:24 -06:00 committed by James Bottomley
parent 004d6530f8
commit 38ad03de3f
2 changed files with 1 additions and 1 deletions
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1
drivers/infiniband/ulp/iser/iscsi_iser.c
View File

@ -400,6 +400,7 @@ iscsi_iser_session_create(struct iscsi_transport *iscsit,
ctask = session->cmds[i];
iser_ctask = ctask->dd_data;
ctask->hdr = (struct iscsi_cmd *)&iser_ctask->desc.iscsi_header;
ctask->hdr_max = sizeof(iser_ctask->desc.iscsi_header);
}
for (i = 0; i < session->mgmtpool_max; i++) {

1
drivers/scsi/libiscsi.c
View File

@ -1570,7 +1570,6 @@ iscsi_session_setup(struct iscsi_transport *iscsit,
if (cmd_task_size)
ctask->dd_data = &ctask[1];
ctask->itt = cmd_i;
ctask->hdr_max = sizeof(struct iscsi_cmd);
INIT_LIST_HEAD(&ctask->running);
}