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authorJens Axboe <jens.axboe@oracle.com>2007-10-22 21:19:53 +0200
committerJens Axboe <jens.axboe@oracle.com>2007-10-22 21:19:53 +0200
commit45711f1af6eff1a6d010703b4862e0d2b9afd056 (patch)
tree3d0048f46e3df9d217d56127462ebe680348bd5a /drivers/scsi/iscsi_tcp.c
parent78c2f0b8c285c5305b3e67b0595200541e15eb43 (diff)
[SG] Update drivers to use sg helpers
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
Diffstat (limited to 'drivers/scsi/iscsi_tcp.c')
-rw-r--r--drivers/scsi/iscsi_tcp.c15
1 files changed, 7 insertions, 8 deletions
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index a21455d0274..6ce4109efdf 100644
--- 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;