Re: [PATCH 01/13] iscsi: Resolve iscsi_proto.h naming conflictswith drivers/target/iscsi

From: Nicholas A. Bellinger
Date: Sat Jul 23 2011 - 17:33:24 EST


On Sat, 2011-07-23 at 15:34 +0200, Jesper Juhl wrote:
> On Sat, 23 Jul 2011, Nicholas A. Bellinger wrote:
>
> > From: Nicholas Bellinger <nab@xxxxxxxxxxxxxxx>
> >
> > This patch renames the following iscsi_proto.h structures to avoid
> > namespace issues with drivers/target/iscsi/iscsi_target_core.h:
> >
> > *) struct iscsi_cmd -> struct iscsi_scsi_req
> > *) struct iscsi_cmd_rsp -> struct iscsi_scsi_rsp
> > *) struct iscsi_login -> struct iscsi_login_req
> >
> > This patch includes useful ISCSI_FLAG_LOGIN_[CURRENT,NEXT]_STAGE*,
> > and ISCSI_FLAG_SNACK_TYPE_* definitions used by iscsi_target_mod, and
> > fixes the incorrect definition of struct iscsi_snack to following
> > RFC-3720 Section 10.16. SNACK Request.
> >
> > Also, this patch updates libiscsi, iSER, be2iscsi, and bn2xi to
> > use the updated structure definitions in a handful of locations.
> >
> > Signed-off-by: Mike Christie <michaelc@xxxxxxxxxxx>
> > Signed-off-by: Nicholas A. Bellinger <nab@xxxxxxxxxxxxxxx>
> > ---
> > drivers/infiniband/ulp/iser/iser_initiator.c | 2 +-
> > drivers/scsi/be2iscsi/be_main.h | 4 +-
> > drivers/scsi/bnx2i/bnx2i_hwi.c | 8 +++---
> > drivers/scsi/libiscsi.c | 6 ++--
> > include/scsi/iscsi_proto.h | 30 +++++++++++++++++++-------
> > 5 files changed, 32 insertions(+), 18 deletions(-)
> >
> > diff --git a/drivers/infiniband/ulp/iser/iser_initiator.c b/drivers/infiniband/ulp/iser/iser_initiator.c
> > index 95a08a8..d73bab3 100644
> > --- a/drivers/infiniband/ulp/iser/iser_initiator.c
> > +++ b/drivers/infiniband/ulp/iser/iser_initiator.c
> > @@ -271,7 +271,7 @@ int iser_send_command(struct iscsi_conn *conn,
> > unsigned long edtl;
> > int err;
> > struct iser_data_buf *data_buf;
> > - struct iscsi_cmd *hdr = (struct iscsi_cmd *)task->hdr;
> > + struct iscsi_scsi_req *hdr = (struct iscsi_scsi_req *)task->hdr;
> > struct scsi_cmnd *sc = task->sc;
>
> How about getting rid of the extra spaces around the '=' while you are at
> it?
>

Fixing this up now..

> - struct iscsi_cmd *hdr = (struct iscsi_cmd *)task->hdr;
> - struct scsi_cmnd *sc = task->sc;
> + struct iscsi_scsi_req *hdr = (struct iscsi_scsi_req *)task->hdr;
> + struct scsi_cmnd *sc = task->sc;
>
>
> > struct iser_tx_desc *tx_desc = &iser_task->desc;
> >
> > diff --git a/drivers/scsi/be2iscsi/be_main.h b/drivers/scsi/be2iscsi/be_main.h
> > index 081c171..5ce5170 100644
> > --- a/drivers/scsi/be2iscsi/be_main.h
> > +++ b/drivers/scsi/be2iscsi/be_main.h
> > @@ -397,7 +397,7 @@ struct amap_pdu_data_out {
> > };
> >
> > struct be_cmd_bhs {
> > - struct iscsi_cmd iscsi_hdr;
> > + struct iscsi_scsi_req iscsi_hdr;
> > unsigned char pad1[16];
> > struct pdu_data_out iscsi_data_pdu;
> > unsigned char pad2[BE_SENSE_INFO_SIZE -
> > @@ -428,7 +428,7 @@ struct be_nonio_bhs {
> > };
> >
> > struct be_status_bhs {
> > - struct iscsi_cmd iscsi_hdr;
> > + struct iscsi_scsi_req iscsi_hdr;
> > unsigned char pad1[16];
> > /**
> > * The plus 2 below is to hold the sense info length that gets
> > diff --git a/drivers/scsi/bnx2i/bnx2i_hwi.c b/drivers/scsi/bnx2i/bnx2i_hwi.c
> > index 372d30c..1b160e1 100644
> > --- a/drivers/scsi/bnx2i/bnx2i_hwi.c
> > +++ b/drivers/scsi/bnx2i/bnx2i_hwi.c
> > @@ -328,11 +328,11 @@ int bnx2i_send_iscsi_login(struct bnx2i_conn *bnx2i_conn,
> > {
> > struct bnx2i_cmd *bnx2i_cmd;
> > struct bnx2i_login_request *login_wqe;
> > - struct iscsi_login *login_hdr;
> > + struct iscsi_login_req *login_hdr;
> > u32 dword;
> >
> > bnx2i_cmd = (struct bnx2i_cmd *)task->dd_data;
> > - login_hdr = (struct iscsi_login *)task->hdr;
> > + login_hdr = (struct iscsi_login_req *)task->hdr;
> > login_wqe = (struct bnx2i_login_request *)
> > bnx2i_conn->ep->qp.sq_prod_qe;
> >
> > @@ -1344,7 +1344,7 @@ static int bnx2i_process_scsi_cmd_resp(struct iscsi_session *session,
> > struct bnx2i_cmd_response *resp_cqe;
> > struct bnx2i_cmd *bnx2i_cmd;
> > struct iscsi_task *task;
> > - struct iscsi_cmd_rsp *hdr;
> > + struct iscsi_scsi_rsp *hdr;
> > u32 datalen = 0;
> >
> > resp_cqe = (struct bnx2i_cmd_response *)cqe;
> > @@ -1371,7 +1371,7 @@ static int bnx2i_process_scsi_cmd_resp(struct iscsi_session *session,
> > }
> > bnx2i_iscsi_unmap_sg_list(bnx2i_cmd);
> >
> > - hdr = (struct iscsi_cmd_rsp *)task->hdr;
> > + hdr = (struct iscsi_scsi_rsp *)task->hdr;
> > resp_cqe = (struct bnx2i_cmd_response *)cqe;
> > hdr->opcode = resp_cqe->op_code;
> > hdr->max_cmdsn = cpu_to_be32(resp_cqe->max_cmd_sn);
> > diff --git a/drivers/scsi/libiscsi.c b/drivers/scsi/libiscsi.c
> > index 0c550d5..9c3cb4e 100644
> > --- a/drivers/scsi/libiscsi.c
> > +++ b/drivers/scsi/libiscsi.c
> > @@ -360,7 +360,7 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task)
> > struct iscsi_conn *conn = task->conn;
> > struct iscsi_session *session = conn->session;
> > struct scsi_cmnd *sc = task->sc;
> > - struct iscsi_cmd *hdr;
> > + struct iscsi_scsi_req *hdr;
> > unsigned hdrlength, cmd_len;
> > itt_t itt;
> > int rc;
> > @@ -374,7 +374,7 @@ static int iscsi_prep_scsi_cmd_pdu(struct iscsi_task *task)
> > if (rc)
> > return rc;
> > }
> > - hdr = (struct iscsi_cmd *) task->hdr;
> > + hdr = (struct iscsi_scsi_req *) task->hdr;
>
> Kill the space after the cast
>
> + hdr = (struct iscsi_scsi_req *)task->hdr;
>
>

Ditto.

Thanks for your review Jesper!

--nab


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