Merge branch 'master' into for-next

Merge with latest Linus' tree, as I have incoming patches
that fix code that is newer than current HEAD of for-next.

Conflicts:
	drivers/net/ethernet/realtek/r8169.c

1 files changed, 20 insertions, 2 deletions

diff --git a/drivers/scsi/libiscsi_tcp.c b/drivers/scsi/libiscsi_tcp.c
index 5715a3d0a3d..552e8a2b6f5 100644
--- a/drivers/scsi/libiscsi_tcp.c
+++ b/drivers/scsi/libiscsi_tcp.c
@@ -135,7 +135,7 @@ static void iscsi_tcp_segment_map(struct iscsi_segment *segment, int recv)
 
 	if (recv) {
 		segment->atomic_mapped = true;
-		segment->sg_mapped = kmap_atomic(sg_page(sg), KM_SOFTIRQ0);
+		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 */
@@ -149,7 +149,7 @@ void iscsi_tcp_segment_unmap(struct iscsi_segment *segment)
 {
 	if (segment->sg_mapped) {
 		if (segment->atomic_mapped)
-			kunmap_atomic(segment->sg_mapped, KM_SOFTIRQ0);
+			kunmap_atomic(segment->sg_mapped);
 		else
 			kunmap(sg_page(segment->sg));
 		segment->sg_mapped = NULL;
@@ -1170,6 +1170,24 @@ void iscsi_tcp_r2tpool_free(struct iscsi_session *session)
 }
 EXPORT_SYMBOL_GPL(iscsi_tcp_r2tpool_free);
 
+int iscsi_tcp_set_max_r2t(struct iscsi_conn *conn, char *buf)
+{
+	struct iscsi_session *session = conn->session;
+	unsigned short r2ts = 0;
+
+	sscanf(buf, "%hu", &r2ts);
+	if (session->max_r2t == r2ts)
+		return 0;
+
+	if (!r2ts || !is_power_of_2(r2ts))
+		return -EINVAL;
+
+	session->max_r2t = r2ts;
+	iscsi_tcp_r2tpool_free(session);
+	return iscsi_tcp_r2tpool_alloc(session);
+}
+EXPORT_SYMBOL_GPL(iscsi_tcp_set_max_r2t);
+
 void iscsi_tcp_conn_get_stats(struct iscsi_cls_conn *cls_conn,
 			      struct iscsi_stats *stats)
 {