[SCSI] iscsi_tcp: convert to new alloc_hdr api

This converts iscsi_tcp to the new api and modifies how
it handles r2ts.

Signed-off-by: Mike Christie <michaelc@cs.wisc.edu>
Signed-off-by: James Bottomley <James.Bottomley@HansenPartnership.com>

1 files changed, 2 insertions, 19 deletions

diff --git a/drivers/scsi/iscsi_tcp.h b/drivers/scsi/iscsi_tcp.h
index 498d8ca39848..0ed47733c75f 100644
--- a/drivers/scsi/iscsi_tcp.h
+++ b/drivers/scsi/iscsi_tcp.h
@@ -98,25 +98,9 @@ struct iscsi_tcp_conn {
         ssize_t (*sendpage)(struct socket *, struct page *, int, size_t, int);
 };
 
-struct iscsi_data_task {
-        struct iscsi_data       hdr;                    /* PDU */
-        char                    hdrext[ISCSI_DIGEST_SIZE];/* Header-Digest */
-};
-
-struct iscsi_r2t_info {
-        __be32                  ttt;            /* copied from R2T */
-        __be32                  exp_statsn;     /* copied from R2T */
-        uint32_t                data_length;    /* copied from R2T */
-        uint32_t                data_offset;    /* copied from R2T */
-        int                     sent;           /* R2T sequence progress */
-        int                     data_count;     /* DATA-Out payload progress */
-        int                     solicit_datasn;
-        struct iscsi_data_task  dtask;          /* Data-Out header buf */
-};
-
 struct iscsi_tcp_task {
         struct iscsi_hdr_buff {
-                struct iscsi_cmd        cmd_hdr;
+                struct iscsi_hdr        hdrbuf;
                 char                    hdrextbuf[ISCSI_MAX_AHS_SIZE +
                                                   ISCSI_DIGEST_SIZE];
         } hdr;
@@ -124,10 +108,9 @@ struct iscsi_tcp_task {
         int                     sent;
         uint32_t                exp_datasn;     /* expected target's R2TSN/DataSN */
         int                     data_offset;
-        struct iscsi_r2t_info   *r2t;           /* in progress R2T    */
+        struct iscsi_r2t_info   *r2t;           /* in progress solict R2T */
         struct iscsi_pool       r2tpool;
         struct kfifo            *r2tqueue;
-        struct iscsi_data_task  unsol_dtask;    /* Data-Out header buf */
 };
 
 #endif /* ISCSI_H */