As iscsi is now using sendmsg() with MSG_SPLICE_PAGES rather than sendpage,
assume that sendpage_ok() will return true in iscsi_tcp_segment_map() and
leave it to TCP to copy the data if not.
Signed-off-by: David Howells <dhowells@xxxxxxxxxx>
cc: "Martin K. Petersen" <martin.petersen@xxxxxxxxxx>
cc: "David S. Miller" <davem@xxxxxxxxxxxxx>
cc: Eric Dumazet <edumazet@xxxxxxxxxx>
cc: Jakub Kicinski <kuba@xxxxxxxxxx>
cc: Paolo Abeni <pabeni@xxxxxxxxxx>
cc: Jens Axboe <axboe@xxxxxxxxx>
cc: Matthew Wilcox <willy@xxxxxxxxxxxxx>
cc: linux-scsi@xxxxxxxxxxxxxxx
cc: target-devel@xxxxxxxxxxxxxxx
cc: netdev@xxxxxxxxxxxxxxx
---
drivers/scsi/libiscsi_tcp.c | 13 +++----------
1 file changed, 3 insertions(+), 10 deletions(-)
diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
index c182aa83f2c9..07ba0d864820 100644
--- a/drivers/scsi/libiscsi_tcp.c
+++ b/drivers/scsi/libiscsi_tcp.c
@@ -128,18 +128,11 @@ static void iscsi_tcp_segment_map(struct iscsi_segment *segment, int recv)
* coalescing neighboring slab objects into a single frag which
* triggers one of hardened usercopy checks.
*/
- if (!recv && sendpage_ok(sg_page(sg)))
+ if (!recv)
return;
- if (recv) {
- segment->atomic_mapped = true;
- segment->sg_mapped = kmap_atomic(sg_page(sg));
- } else {
- segment->atomic_mapped = false;
- /* the xmit path can sleep with the page mapped so use kmap */
- segment->sg_mapped = kmap(sg_page(sg));
- }
-
+ segment->atomic_mapped = true;
+ segment->sg_mapped = kmap_atomic(sg_page(sg));
segment->data = segment->sg_mapped + sg->offset + segment->sg_offset;
}
