[SG] Update drivers to use sg helpers

[pandora-kernel.git] / drivers / scsi / iscsi_tcp.c

diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 7829ab1..6ce4109 100644 (file)
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -70,9 +70,7 @@ module_param_named(max_lun, iscsi_max_lun, uint, S_IRUGO);
 static inline void
 iscsi_buf_init_iov(struct iscsi_buf *ibuf, char *vbuf, int size)
 {
-       ibuf->sg.page = virt_to_page(vbuf);
-       ibuf->sg.offset = offset_in_page(vbuf);
-       ibuf->sg.length = size;
+       sg_init_one(&ibuf->sg, vbuf, size);
        ibuf->sent = 0;
        ibuf->use_sendmsg = 1;
 }
@@ -80,13 +78,14 @@ iscsi_buf_init_iov(struct iscsi_buf *ibuf, char *vbuf, int size)
 static inline void
 iscsi_buf_init_sg(struct iscsi_buf *ibuf, struct scatterlist *sg)
 {
-       ibuf->sg.page = sg->page;
+       sg_init_table(&ibuf->sg, 1);
+       sg_set_page(&ibuf->sg, sg_page(sg));
        ibuf->sg.offset = sg->offset;
        ibuf->sg.length = sg->length;
        /*
         * Fastpath: sg element fits into single page
         */
-       if (sg->length + sg->offset <= PAGE_SIZE && !PageSlab(sg->page))
+       if (sg->length + sg->offset <= PAGE_SIZE && !PageSlab(sg_page(sg)))
                ibuf->use_sendmsg = 0;
        else
                ibuf->use_sendmsg = 1;
@@ -716,7 +715,7 @@ static int iscsi_scsi_data_in(struct iscsi_conn *conn)
        for (i = tcp_ctask->sg_count; i < scsi_sg_count(sc); i++) {
                char *dest;
 
-               dest = kmap_atomic(sg[i].page, KM_SOFTIRQ0);
+               dest = kmap_atomic(sg_page(&sg[i]), KM_SOFTIRQ0);
                rc = iscsi_ctask_copy(tcp_conn, ctask, dest + sg[i].offset,
                                      sg[i].length, offset);
                kunmap_atomic(dest, KM_SOFTIRQ0);
@@ -1103,9 +1102,9 @@ iscsi_send(struct iscsi_conn *conn, struct iscsi_buf *buf, int size, int flags)
         * slab case.
         */
        if (buf->use_sendmsg)
-               res = sock_no_sendpage(sk, buf->sg.page, offset, size, flags);
+               res = sock_no_sendpage(sk, sg_page(&buf->sg), offset, size, flags);
        else
-               res = tcp_conn->sendpage(sk, buf->sg.page, offset, size, flags);
+               res = tcp_conn->sendpage(sk, sg_page(&buf->sg), offset, size, flags);
 
        if (res >= 0) {
                conn->txdata_octets += res;
@@ -2216,11 +2215,13 @@ static void iscsi_tcp_session_destroy(struct iscsi_cls_session *cls_session)
 
 static int iscsi_tcp_slave_configure(struct scsi_device *sdev)
 {
+       blk_queue_bounce_limit(sdev->request_queue, BLK_BOUNCE_ANY);
        blk_queue_dma_alignment(sdev->request_queue, 0);
        return 0;
 }
 
 static struct scsi_host_template iscsi_sht = {
+       .module                 = THIS_MODULE,
        .name                   = "iSCSI Initiator over TCP/IP",
        .queuecommand           = iscsi_queuecommand,
        .change_queue_depth     = iscsi_change_queue_depth,