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path: root/drivers/scsi/iscsi_tcp.c
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Diffstat (limited to 'drivers/scsi/iscsi_tcp.c')
-rw-r--r--drivers/scsi/iscsi_tcp.c22
1 files changed, 15 insertions, 7 deletions
diff --git a/drivers/scsi/iscsi_tcp.c b/drivers/scsi/iscsi_tcp.c
index 6198559abbd8..6d886b13dbe9 100644
--- a/drivers/scsi/iscsi_tcp.c
+++ b/drivers/scsi/iscsi_tcp.c
@@ -37,6 +37,7 @@
#include <linux/kfifo.h>
#include <linux/scatterlist.h>
#include <linux/module.h>
+#include <linux/backing-dev.h>
#include <net/tcp.h>
#include <scsi/scsi_cmnd.h>
#include <scsi/scsi_device.h>
@@ -732,7 +733,7 @@ static int iscsi_sw_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn,
struct iscsi_tcp_conn *tcp_conn = conn->dd_data;
struct iscsi_sw_tcp_conn *tcp_sw_conn = tcp_conn->dd_data;
struct sockaddr_in6 addr;
- int rc, len;
+ int rc;
switch(param) {
case ISCSI_PARAM_CONN_PORT:
@@ -745,12 +746,12 @@ static int iscsi_sw_tcp_conn_get_param(struct iscsi_cls_conn *cls_conn,
}
if (param == ISCSI_PARAM_LOCAL_PORT)
rc = kernel_getsockname(tcp_sw_conn->sock,
- (struct sockaddr *)&addr, &len);
+ (struct sockaddr *)&addr);
else
rc = kernel_getpeername(tcp_sw_conn->sock,
- (struct sockaddr *)&addr, &len);
+ (struct sockaddr *)&addr);
spin_unlock_bh(&conn->session->frwd_lock);
- if (rc)
+ if (rc < 0)
return rc;
return iscsi_conn_get_addr_param((struct sockaddr_storage *)
@@ -771,7 +772,7 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost,
struct iscsi_tcp_conn *tcp_conn;
struct iscsi_sw_tcp_conn *tcp_sw_conn;
struct sockaddr_in6 addr;
- int rc, len;
+ int rc;
switch (param) {
case ISCSI_HOST_PARAM_IPADDRESS:
@@ -793,9 +794,9 @@ static int iscsi_sw_tcp_host_get_param(struct Scsi_Host *shost,
}
rc = kernel_getsockname(tcp_sw_conn->sock,
- (struct sockaddr *)&addr, &len);
+ (struct sockaddr *)&addr);
spin_unlock_bh(&session->frwd_lock);
- if (rc)
+ if (rc < 0)
return rc;
return iscsi_conn_get_addr_param((struct sockaddr_storage *)
@@ -954,6 +955,13 @@ static int iscsi_sw_tcp_slave_alloc(struct scsi_device *sdev)
static int iscsi_sw_tcp_slave_configure(struct scsi_device *sdev)
{
+ struct iscsi_sw_tcp_host *tcp_sw_host = iscsi_host_priv(sdev->host);
+ struct iscsi_session *session = tcp_sw_host->session;
+ struct iscsi_conn *conn = session->leadconn;
+
+ if (conn->datadgst_en)
+ sdev->request_queue->backing_dev_info->capabilities
+ |= BDI_CAP_STABLE_WRITES;
blk_queue_bounce_limit(sdev->request_queue, BLK_BOUNCE_ANY);
blk_queue_dma_alignment(sdev->request_queue, 0);
return 0;