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path: root/drivers/xen/xen-scsiback.c
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Diffstat (limited to 'drivers/xen/xen-scsiback.c')
-rw-r--r--drivers/xen/xen-scsiback.c28
1 files changed, 12 insertions, 16 deletions
diff --git a/drivers/xen/xen-scsiback.c b/drivers/xen/xen-scsiback.c
index e999496eda3e..42bd55a6c237 100644
--- a/drivers/xen/xen-scsiback.c
+++ b/drivers/xen/xen-scsiback.c
@@ -47,6 +47,7 @@
#include <generated/utsrelease.h>
+#include <scsi/scsi.h>
#include <scsi/scsi_dbg.h>
#include <scsi/scsi_eh.h>
#include <scsi/scsi_tcq.h>
@@ -227,7 +228,7 @@ static void put_free_pages(struct page **page, int num)
return;
if (i > scsiback_max_buffer_pages) {
n = min(num, i - scsiback_max_buffer_pages);
- free_xenballooned_pages(n, page + num - n);
+ gnttab_free_pages(n, page + num - n);
n = num - n;
}
spin_lock_irqsave(&free_pages_lock, flags);
@@ -244,7 +245,7 @@ static int get_free_page(struct page **page)
spin_lock_irqsave(&free_pages_lock, flags);
if (list_empty(&scsiback_free_pages)) {
spin_unlock_irqrestore(&free_pages_lock, flags);
- return alloc_xenballooned_pages(1, page, false);
+ return gnttab_alloc_pages(1, page);
}
page[0] = list_first_entry(&scsiback_free_pages, struct page, lru);
list_del(&page[0]->lru);
@@ -708,12 +709,11 @@ static int prepare_pending_reqs(struct vscsibk_info *info,
static int scsiback_do_cmd_fn(struct vscsibk_info *info)
{
struct vscsiif_back_ring *ring = &info->ring;
- struct vscsiif_request *ring_req;
+ struct vscsiif_request ring_req;
struct vscsibk_pend *pending_req;
RING_IDX rc, rp;
int err, more_to_do;
uint32_t result;
- uint8_t act;
rc = ring->req_cons;
rp = ring->sring->req_prod;
@@ -734,11 +734,10 @@ static int scsiback_do_cmd_fn(struct vscsibk_info *info)
if (!pending_req)
return 1;
- ring_req = RING_GET_REQUEST(ring, rc);
+ ring_req = *RING_GET_REQUEST(ring, rc);
ring->req_cons = ++rc;
- act = ring_req->act;
- err = prepare_pending_reqs(info, ring_req, pending_req);
+ err = prepare_pending_reqs(info, &ring_req, pending_req);
if (err) {
switch (err) {
case -ENODEV:
@@ -754,9 +753,9 @@ static int scsiback_do_cmd_fn(struct vscsibk_info *info)
return 1;
}
- switch (act) {
+ switch (ring_req.act) {
case VSCSIIF_ACT_SCSI_CDB:
- if (scsiback_gnttab_data_map(ring_req, pending_req)) {
+ if (scsiback_gnttab_data_map(&ring_req, pending_req)) {
scsiback_fast_flush_area(pending_req);
scsiback_do_resp_with_sense(NULL,
DRIVER_ERROR << 24, 0, pending_req);
@@ -767,7 +766,7 @@ static int scsiback_do_cmd_fn(struct vscsibk_info *info)
break;
case VSCSIIF_ACT_SCSI_ABORT:
scsiback_device_action(pending_req, TMR_ABORT_TASK,
- ring_req->ref_rqid);
+ ring_req.ref_rqid);
break;
case VSCSIIF_ACT_SCSI_RESET:
scsiback_device_action(pending_req, TMR_LUN_RESET, 0);
@@ -1660,11 +1659,8 @@ static int scsiback_make_nexus(struct scsiback_tpg *tpg,
name);
goto out;
}
- /*
- * Now register the TCM pvscsi virtual I_T Nexus as active with the
- * call to __transport_register_session()
- */
- __transport_register_session(se_tpg, tv_nexus->tvn_se_sess->se_node_acl,
+ /* Now register the TCM pvscsi virtual I_T Nexus as active. */
+ transport_register_session(se_tpg, tv_nexus->tvn_se_sess->se_node_acl,
tv_nexus->tvn_se_sess, tv_nexus);
tpg->tpg_nexus = tv_nexus;
@@ -2106,7 +2102,7 @@ static void __exit scsiback_exit(void)
while (free_pages_num) {
if (get_free_page(&page))
BUG();
- free_xenballooned_pages(1, &page);
+ gnttab_free_pages(1, &page);
}
scsiback_deregister_configfs();
xenbus_unregister_driver(&scsiback_driver);