scsi: libfc: Replace ->seq_send callback with function call

The ->seq_send callback only ever had one implementation,
so we can as well call it directly and drop the callback.

Signed-off-by: Hannes Reinecke <hare@suse.com>
Acked-by: Johannes Thumshirn <jth@kernel.org>
Signed-off-by: Martin K. Petersen <martin.petersen@oracle.com>

diff --git a/drivers/scsi/libfc/fc_exch.c b/drivers/scsi/libfc/fc_exch.c
index f5c3c1d..ee34cc6 100644 (file)
--- a/drivers/scsi/libfc/fc_exch.c
+++ b/drivers/scsi/libfc/fc_exch.c
@@ -533,8 +533,7 @@ out:
  * Note: The frame will be freed either by a direct call to fc_frame_free(fp)
  * or indirectly by calling libfc_function_template.frame_send().
  */
-static int fc_seq_send(struct fc_lport *lport, struct fc_seq *sp,
-                      struct fc_frame *fp)
+int fc_seq_send(struct fc_lport *lport, struct fc_seq *sp, struct fc_frame *fp)
 {
        struct fc_exch *ep;
        int error;
@@ -544,6 +543,7 @@ static int fc_seq_send(struct fc_lport *lport, struct fc_seq *sp,
        spin_unlock_bh(&ep->ex_lock);
        return error;
 }
+EXPORT_SYMBOL(fc_seq_send);
 
 /**
  * fc_seq_alloc() - Allocate a sequence for a given exchange
@@ -2648,9 +2648,6 @@ int fc_exch_init(struct fc_lport *lport)
        if (!lport->tt.seq_set_resp)
                lport->tt.seq_set_resp = fc_seq_set_resp;
 
-       if (!lport->tt.seq_send)
-               lport->tt.seq_send = fc_seq_send;
-
        if (!lport->tt.exch_done)
                lport->tt.exch_done = fc_exch_done;
 

diff --git a/drivers/scsi/libfc/fc_fcp.c b/drivers/scsi/libfc/fc_fcp.c
index 5cf1d2e..daad70f 100644 (file)
--- a/drivers/scsi/libfc/fc_fcp.c
+++ b/drivers/scsi/libfc/fc_fcp.c
@@ -731,7 +731,7 @@ static int fc_fcp_send_data(struct fc_fcp_pkt *fsp, struct fc_seq *seq,
                /*
                 * send fragment using for a sequence.
                 */
-               error = lport->tt.seq_send(lport, seq, fp);
+               error = fc_seq_send(lport, seq, fp);
                if (error) {
                        WARN_ON(1);             /* send error should be rare */
                        return error;
@@ -1033,7 +1033,7 @@ static void fc_fcp_complete_locked(struct fc_fcp_pkt *fsp)
                                fc_fill_fc_hdr(conf_frame, FC_RCTL_DD_SOL_CTL,
                                               ep->did, ep->sid,
                                               FC_TYPE_FCP, f_ctl, 0);
-                               lport->tt.seq_send(lport, csp, conf_frame);
+                               fc_seq_send(lport, csp, conf_frame);
                        }
                }
                lport->tt.exch_done(seq);

diff --git a/drivers/target/tcm_fc/tfc_cmd.c b/drivers/target/tcm_fc/tfc_cmd.c
index ff5de9a..42f09ca 100644 (file)
--- a/drivers/target/tcm_fc/tfc_cmd.c
+++ b/drivers/target/tcm_fc/tfc_cmd.c
@@ -165,7 +165,7 @@ int ft_queue_status(struct se_cmd *se_cmd)
        fc_fill_fc_hdr(fp, FC_RCTL_DD_CMD_STATUS, ep->did, ep->sid, FC_TYPE_FCP,
                       FC_FC_EX_CTX | FC_FC_LAST_SEQ | FC_FC_END_SEQ, 0);
 
-       rc = lport->tt.seq_send(lport, cmd->seq, fp);
+       rc = fc_seq_send(lport, cmd->seq, fp);
        if (rc) {
                pr_info_ratelimited("%s: Failed to send response frame %p, "
                                    "xid <0x%x>\n", __func__, fp, ep->xid);
@@ -242,7 +242,7 @@ int ft_write_pending(struct se_cmd *se_cmd)
                                cmd->was_ddp_setup = 1;
                }
        }
-       lport->tt.seq_send(lport, cmd->seq, fp);
+       fc_seq_send(lport, cmd->seq, fp);
        return 0;
 }
 
@@ -323,7 +323,7 @@ static void ft_send_resp_status(struct fc_lport *lport,
        fc_fill_reply_hdr(fp, rx_fp, FC_RCTL_DD_CMD_STATUS, 0);
        sp = fr_seq(fp);
        if (sp) {
-               lport->tt.seq_send(lport, sp, fp);
+               fc_seq_send(lport, sp, fp);
                lport->tt.exch_done(sp);
        } else {
                lport->tt.frame_send(lport, fp);

diff --git a/drivers/target/tcm_fc/tfc_io.c b/drivers/target/tcm_fc/tfc_io.c
index 6f7c65a..b10ebfd 100644 (file)
--- a/drivers/target/tcm_fc/tfc_io.c
+++ b/drivers/target/tcm_fc/tfc_io.c
@@ -174,7 +174,7 @@ int ft_queue_data_in(struct se_cmd *se_cmd)
                        f_ctl |= FC_FC_END_SEQ;
                fc_fill_fc_hdr(fp, FC_RCTL_DD_SOL_DATA, ep->did, ep->sid,
                               FC_TYPE_FCP, f_ctl, fh_off);
-               error = lport->tt.seq_send(lport, seq, fp);
+               error = fc_seq_send(lport, seq, fp);
                if (error) {
                        pr_info_ratelimited("%s: Failed to send frame %p, "
                                                "xid <0x%x>, remaining %zu, "

diff --git a/include/scsi/libfc.h b/include/scsi/libfc.h
index a776901..7514cc9 100644 (file)
--- a/include/scsi/libfc.h
+++ b/include/scsi/libfc.h
@@ -513,13 +513,6 @@ struct libfc_function_template {
         * STATUS: OPTIONAL
         */
        void (*get_lesb)(struct fc_lport *, struct fc_els_lesb *lesb);
-       /*
-        * Send a frame using an existing sequence and exchange.
-        *
-        * STATUS: OPTIONAL
-        */
-       int (*seq_send)(struct fc_lport *, struct fc_seq *,
-                       struct fc_frame *);
 
        /*
         * Abort an exchange and sequence. Generally called because of a
@@ -1058,6 +1051,7 @@ struct fc_exch_mgr *fc_exch_mgr_alloc(struct fc_lport *, enum fc_class class,
 void fc_exch_mgr_free(struct fc_lport *);
 void fc_exch_recv(struct fc_lport *, struct fc_frame *);
 void fc_exch_mgr_reset(struct fc_lport *, u32 s_id, u32 d_id);
+int fc_seq_send(struct fc_lport *lport, struct fc_seq *sp, struct fc_frame *fp);
 
 /*
  * Functions for fc_functions_template